Merge

.hgignore

@@ -1,5 +1,6 @@
 ^build/
 ^dist/
+^.idea/
 nbproject/private/
 ^webrev
 ^.hgtip

.hgtags-top-repo

@@ -360,3 +360,4 @@ f900d5afd9c83a0df8f36161c27c5e4c86a66f4c jdk-9+111
 09617ce980b99d49abfd54dacfed353c47e2a115 jdk-9+115
 6743a8e0cab7b5f6f4a0575f6664892f0ab740af jdk-9+116
 e882bcdbdac436523f3d5681611d3118a3804ea7 jdk-9+117
+047f95de8f918d8ff5e8cd2636a2abb5c3c8adb8 jdk-9+118

common/autoconf/flags.m4

@@ -768,7 +768,7 @@ AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER],
         $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
         ;;
     esac
-    TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: 6, IF_AT_LEAST: FLAGS_SETUP_GCC6_COMPILER_FLAGS)
+    TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: 6, PREFIX: $2, IF_AT_LEAST: FLAGS_SETUP_GCC6_COMPILER_FLAGS)
   elif test "x$TOOLCHAIN_TYPE" = xclang; then
     $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE"
 
@@ -964,7 +964,7 @@ AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER],
         -Wunused-value -Woverloaded-virtual"
 
     if test "x$TOOLCHAIN_TYPE" = xgcc; then
-      TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: [4.8],
+      TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: [4.8], PREFIX: $2,
           IF_AT_LEAST: [
             # These flags either do not work or give spurious warnings prior to gcc 4.8.
             $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-format-zero-length -Wtype-limits -Wuninitialized"
@@ -1411,9 +1411,15 @@ AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC],
         DISABLE_WARNING_PREFIX=
       fi
       CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
-      # Repeate the check for the BUILD_CC
+      # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset
+      # CFLAGS since any target specific flags will likely not work with the
+      # build compiler
       CC_OLD="$CC"
+      CXX_OLD="$CXX"
       CC="$BUILD_CC"
+      CXX="$BUILD_CXX"
+      CFLAGS_OLD="$CFLAGS"
+      CFLAGS=""
       FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist],
           IF_TRUE: [BUILD_CC_CAN_DISABLE_WARNINGS=true],
           IF_FALSE: [BUILD_CC_CAN_DISABLE_WARNINGS=false]
@@ -1424,6 +1430,8 @@ AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC],
         BUILD_CC_DISABLE_WARNING_PREFIX=
       fi
       CC="$CC_OLD"
+      CXX="$CXX_OLD"
+      CFLAGS="$CFLAGS_OLD"
       ;;
     clang)
       DISABLE_WARNING_PREFIX="-Wno-"

common/autoconf/generated-configure.sh

@@ -4900,6 +4900,8 @@ TOOLCHAIN_MINIMUM_VERSION_xlc=""
 
 # Prepare the system so that TOOLCHAIN_CHECK_COMPILER_VERSION can be called.
 # Must have CC_VERSION_NUMBER and CXX_VERSION_NUMBER.
+# $1 - optional variable prefix for compiler and version variables (BUILD_)
+# $2 - optional variable prefix for comparable variable (OPENJDK_BUILD_)
 
 
 # Check if the configured compiler (C and C++) is of a specific version or
@@ -4909,6 +4911,7 @@ TOOLCHAIN_MINIMUM_VERSION_xlc=""
 #   VERSION:   The version string to check against the found version
 #   IF_AT_LEAST:   block to run if the compiler is at least this version (>=)
 #   IF_OLDER_THAN:   block to run if the compiler is older than this version (<)
+#   PREFIX:   Optional variable prefix for compiler to compare version for (OPENJDK_BUILD_)
 
 
 
@@ -5073,7 +5076,7 @@ VS_SDK_PLATFORM_NAME_2013=
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1462806878
+DATE_WHEN_GENERATED=1462970869
 
 ###############################################################################
 #
@@ -34795,19 +34798,19 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
   if test "x$CC_VERSION_NUMBER" != "x$CXX_VERSION_NUMBER"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C and C++ compiler has different version numbers, $CC_VERSION_NUMBER vs $CXX_VERSION_NUMBER." >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C and C++ compiler have different version numbers, $CC_VERSION_NUMBER vs $CXX_VERSION_NUMBER." >&5
-$as_echo "$as_me: WARNING: C and C++ compiler has different version numbers, $CC_VERSION_NUMBER vs $CXX_VERSION_NUMBER." >&2;}
+$as_echo "$as_me: WARNING: C and C++ compiler have different version numbers, $CC_VERSION_NUMBER vs $CXX_VERSION_NUMBER." >&2;}
     { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: This typically indicates a broken setup, and is not supported" >&5
 $as_echo "$as_me: WARNING: This typically indicates a broken setup, and is not supported" >&2;}
   fi
 
   # We only check CC_VERSION_NUMBER since we assume CXX_VERSION_NUMBER is equal.
-  if  [[ "$CC_VERSION_NUMBER" =~ (.*\.){3} ]] ; then
+  if  [[ "[$]CC_VERSION_NUMBER" =~ (.*\.){3} ]] ; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C compiler version number has more than three parts (X.Y.Z): $CC_VERSION_NUMBER. Comparisons might be wrong." >&5
 $as_echo "$as_me: WARNING: C compiler version number has more than three parts (X.Y.Z): $CC_VERSION_NUMBER. Comparisons might be wrong." >&2;}
   fi
 
-  if  [[  "$CC_VERSION_NUMBER" =~ [0-9]{6} ]] ; then
+  if  [[  "[$]CC_VERSION_NUMBER" =~ [0-9]{6} ]] ; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C compiler version number has a part larger than 99999: $CC_VERSION_NUMBER. Comparisons might be wrong." >&5
 $as_echo "$as_me: WARNING: C compiler version number has a part larger than 99999: $CC_VERSION_NUMBER. Comparisons might be wrong." >&2;}
   fi
@@ -34850,6 +34853,13 @@ $as_echo "$as_me: WARNING: C compiler version number has a part larger than 9999
 
 
 
+
+
+
+
+
+
+
 
 
 
@@ -34897,6 +34907,8 @@ $as_echo "$as_me: WARNING: You are using $TOOLCHAIN_TYPE older than $TOOLCHAIN_M
 
 
 
+
+
   fi
 
   #
@@ -46475,6 +46487,268 @@ $as_echo "$as_me: Rewriting BUILD_STRIP to \"$new_complete\"" >&6;}
     BUILD_LDCXX="$BUILD_CXX"
 
     PATH="$OLDPATH"
+
+
+  COMPILER=$BUILD_CC
+  COMPILER_NAME=BuildC
+
+  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    # cc -V output typically looks like
+    #     cc: Sun C 5.12 Linux_i386 2011/11/16
+    COMPILER_VERSION_OUTPUT=`$COMPILER -V 2>&1`
+    # Check that this is likely to be the Solaris Studio cc.
+    $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null
+    if test $? -ne 0; then
+      ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&5
+$as_echo "$as_me: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running with -V was: \"$COMPILER_VERSION_OUTPUT\"" >&5
+$as_echo "$as_me: The result from running with -V was: \"$COMPILER_VERSION_OUTPUT\"" >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running with --version was: \"$ALT_VERSION_OUTPUT\"" >&5
+$as_echo "$as_me: The result from running with --version was: \"$ALT_VERSION_OUTPUT\"" >&6;}
+      as_fn_error $? "A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir." "$LINENO" 5
+    fi
+    # Remove usage instructions (if present), and
+    # collapse compiler output into a single line
+    COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e 's/ *[Uu]sage:.*//'`
+    COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e "s/^.*[ ,\t]$COMPILER_NAME[ ,\t]\([1-9]\.[0-9][0-9]*\).*/\1/"`
+  elif test  "x$TOOLCHAIN_TYPE" = xxlc; then
+    # xlc -qversion output typically looks like
+    #     IBM XL C/C++ for AIX, V11.1 (5724-X13)
+    #     Version: 11.01.0000.0015
+    COMPILER_VERSION_OUTPUT=`$COMPILER -qversion 2>&1`
+    # Check that this is likely to be the IBM XL C compiler.
+    $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "IBM XL C" > /dev/null
+    if test $? -ne 0; then
+      ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&5
+$as_echo "$as_me: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running with -qversion was: \"$COMPILER_VERSION_OUTPUT\"" >&5
+$as_echo "$as_me: The result from running with -qversion was: \"$COMPILER_VERSION_OUTPUT\"" >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running with --version was: \"$ALT_VERSION_OUTPUT\"" >&5
+$as_echo "$as_me: The result from running with --version was: \"$ALT_VERSION_OUTPUT\"" >&6;}
+      as_fn_error $? "A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir." "$LINENO" 5
+    fi
+    # Collapse compiler output into a single line
+    COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
+    COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e 's/^.*, V\([1-9][0-9.]*\).*$/\1/'`
+  elif test  "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    # There is no specific version flag, but all output starts with a version string.
+    # First line typically looks something like:
+    # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86
+    COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'`
+    # Check that this is likely to be Microsoft CL.EXE.
+    $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Microsoft.*Compiler" > /dev/null
+    if test $? -ne 0; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&5
+$as_echo "$as_me: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running it was: \"$COMPILER_VERSION_OUTPUT\"" >&5
+$as_echo "$as_me: The result from running it was: \"$COMPILER_VERSION_OUTPUT\"" >&6;}
+      as_fn_error $? "A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir." "$LINENO" 5
+    fi
+    # Collapse compiler output into a single line
+    COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
+    COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e 's/^.*ersion.\([1-9][0-9.]*\) .*$/\1/'`
+  elif test  "x$TOOLCHAIN_TYPE" = xgcc; then
+    # gcc --version output typically looks like
+    #     gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
+    #     Copyright (C) 2013 Free Software Foundation, Inc.
+    #     This is free software; see the source for copying conditions.  There is NO
+    #     warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+    COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
+    # Check that this is likely to be GCC.
+    $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Free Software Foundation" > /dev/null
+    if test $? -ne 0; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&5
+$as_echo "$as_me: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running with --version was: \"$COMPILER_VERSION\"" >&5
+$as_echo "$as_me: The result from running with --version was: \"$COMPILER_VERSION\"" >&6;}
+      as_fn_error $? "A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir." "$LINENO" 5
+    fi
+    # Remove Copyright and legalese from version string, and
+    # collapse into a single line
+    COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e 's/ *Copyright .*//'`
+    COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e 's/^.* \([1-9]\.[0-9.]*\)[^0-9.].*$/\1/'`
+  elif test  "x$TOOLCHAIN_TYPE" = xclang; then
+    # clang --version output typically looks like
+    #    Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
+    #    clang version 3.3 (tags/RELEASE_33/final)
+    # or
+    #    Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM 3.2)
+    #    Target: x86_64-pc-linux-gnu
+    #    Thread model: posix
+    COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
+    # Check that this is likely to be clang
+    $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "clang" > /dev/null
+    if test $? -ne 0; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&5
+$as_echo "$as_me: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running with --version was: \"$COMPILER_VERSION_OUTPUT\"" >&5
+$as_echo "$as_me: The result from running with --version was: \"$COMPILER_VERSION_OUTPUT\"" >&6;}
+      as_fn_error $? "A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir." "$LINENO" 5
+    fi
+    # Collapse compiler output into a single line
+    COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
+    COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e 's/^.* version \([1-9][0-9.]*\).*$/\1/'`
+  else
+      as_fn_error $? "Unknown toolchain type $TOOLCHAIN_TYPE." "$LINENO" 5
+  fi
+  # This sets CC_VERSION_NUMBER or CXX_VERSION_NUMBER. (This comment is a grep marker)
+  BUILD_CC_VERSION_NUMBER="$COMPILER_VERSION_NUMBER"
+  # This sets CC_VERSION_STRING or CXX_VERSION_STRING. (This comment is a grep marker)
+  BUILD_CC_VERSION_STRING="$COMPILER_VERSION_STRING"
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER [$COMPILER_VERSION_STRING]" >&5
+$as_echo "$as_me: Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER [$COMPILER_VERSION_STRING]" >&6;}
+
+
+  COMPILER=$BUILD_CXX
+  COMPILER_NAME=BuildC++
+
+  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    # cc -V output typically looks like
+    #     cc: Sun C 5.12 Linux_i386 2011/11/16
+    COMPILER_VERSION_OUTPUT=`$COMPILER -V 2>&1`
+    # Check that this is likely to be the Solaris Studio cc.
+    $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null
+    if test $? -ne 0; then
+      ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&5
+$as_echo "$as_me: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running with -V was: \"$COMPILER_VERSION_OUTPUT\"" >&5
+$as_echo "$as_me: The result from running with -V was: \"$COMPILER_VERSION_OUTPUT\"" >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running with --version was: \"$ALT_VERSION_OUTPUT\"" >&5
+$as_echo "$as_me: The result from running with --version was: \"$ALT_VERSION_OUTPUT\"" >&6;}
+      as_fn_error $? "A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir." "$LINENO" 5
+    fi
+    # Remove usage instructions (if present), and
+    # collapse compiler output into a single line
+    COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e 's/ *[Uu]sage:.*//'`
+    COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e "s/^.*[ ,\t]$COMPILER_NAME[ ,\t]\([1-9]\.[0-9][0-9]*\).*/\1/"`
+  elif test  "x$TOOLCHAIN_TYPE" = xxlc; then
+    # xlc -qversion output typically looks like
+    #     IBM XL C/C++ for AIX, V11.1 (5724-X13)
+    #     Version: 11.01.0000.0015
+    COMPILER_VERSION_OUTPUT=`$COMPILER -qversion 2>&1`
+    # Check that this is likely to be the IBM XL C compiler.
+    $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "IBM XL C" > /dev/null
+    if test $? -ne 0; then
+      ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&5
+$as_echo "$as_me: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running with -qversion was: \"$COMPILER_VERSION_OUTPUT\"" >&5
+$as_echo "$as_me: The result from running with -qversion was: \"$COMPILER_VERSION_OUTPUT\"" >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running with --version was: \"$ALT_VERSION_OUTPUT\"" >&5
+$as_echo "$as_me: The result from running with --version was: \"$ALT_VERSION_OUTPUT\"" >&6;}
+      as_fn_error $? "A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir." "$LINENO" 5
+    fi
+    # Collapse compiler output into a single line
+    COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
+    COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e 's/^.*, V\([1-9][0-9.]*\).*$/\1/'`
+  elif test  "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    # There is no specific version flag, but all output starts with a version string.
+    # First line typically looks something like:
+    # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86
+    COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'`
+    # Check that this is likely to be Microsoft CL.EXE.
+    $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Microsoft.*Compiler" > /dev/null
+    if test $? -ne 0; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&5
+$as_echo "$as_me: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running it was: \"$COMPILER_VERSION_OUTPUT\"" >&5
+$as_echo "$as_me: The result from running it was: \"$COMPILER_VERSION_OUTPUT\"" >&6;}
+      as_fn_error $? "A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir." "$LINENO" 5
+    fi
+    # Collapse compiler output into a single line
+    COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
+    COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e 's/^.*ersion.\([1-9][0-9.]*\) .*$/\1/'`
+  elif test  "x$TOOLCHAIN_TYPE" = xgcc; then
+    # gcc --version output typically looks like
+    #     gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
+    #     Copyright (C) 2013 Free Software Foundation, Inc.
+    #     This is free software; see the source for copying conditions.  There is NO
+    #     warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+    COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
+    # Check that this is likely to be GCC.
+    $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Free Software Foundation" > /dev/null
+    if test $? -ne 0; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&5
+$as_echo "$as_me: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running with --version was: \"$COMPILER_VERSION\"" >&5
+$as_echo "$as_me: The result from running with --version was: \"$COMPILER_VERSION\"" >&6;}
+      as_fn_error $? "A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir." "$LINENO" 5
+    fi
+    # Remove Copyright and legalese from version string, and
+    # collapse into a single line
+    COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e 's/ *Copyright .*//'`
+    COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e 's/^.* \([1-9]\.[0-9.]*\)[^0-9.].*$/\1/'`
+  elif test  "x$TOOLCHAIN_TYPE" = xclang; then
+    # clang --version output typically looks like
+    #    Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
+    #    clang version 3.3 (tags/RELEASE_33/final)
+    # or
+    #    Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM 3.2)
+    #    Target: x86_64-pc-linux-gnu
+    #    Thread model: posix
+    COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
+    # Check that this is likely to be clang
+    $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "clang" > /dev/null
+    if test $? -ne 0; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&5
+$as_echo "$as_me: The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler." >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: The result from running with --version was: \"$COMPILER_VERSION_OUTPUT\"" >&5
+$as_echo "$as_me: The result from running with --version was: \"$COMPILER_VERSION_OUTPUT\"" >&6;}
+      as_fn_error $? "A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir." "$LINENO" 5
+    fi
+    # Collapse compiler output into a single line
+    COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
+    COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
+        $SED -e 's/^.* version \([1-9][0-9.]*\).*$/\1/'`
+  else
+      as_fn_error $? "Unknown toolchain type $TOOLCHAIN_TYPE." "$LINENO" 5
+  fi
+  # This sets CC_VERSION_NUMBER or CXX_VERSION_NUMBER. (This comment is a grep marker)
+  BUILD_CXX_VERSION_NUMBER="$COMPILER_VERSION_NUMBER"
+  # This sets CC_VERSION_STRING or CXX_VERSION_STRING. (This comment is a grep marker)
+  BUILD_CXX_VERSION_STRING="$COMPILER_VERSION_STRING"
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER [$COMPILER_VERSION_STRING]" >&5
+$as_echo "$as_me: Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER [$COMPILER_VERSION_STRING]" >&6;}
+
+
+  if test "x$BUILD_CC_VERSION_NUMBER" != "x$BUILD_CXX_VERSION_NUMBER"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C and C++ compiler have different version numbers, $BUILD_CC_VERSION_NUMBER vs $BUILD_CXX_VERSION_NUMBER." >&5
+$as_echo "$as_me: WARNING: C and C++ compiler have different version numbers, $BUILD_CC_VERSION_NUMBER vs $BUILD_CXX_VERSION_NUMBER." >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: This typically indicates a broken setup, and is not supported" >&5
+$as_echo "$as_me: WARNING: This typically indicates a broken setup, and is not supported" >&2;}
+  fi
+
+  # We only check CC_VERSION_NUMBER since we assume CXX_VERSION_NUMBER is equal.
+  if  [[ "[$]BUILD_CC_VERSION_NUMBER" =~ (.*\.){3} ]] ; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C compiler version number has more than three parts (X.Y.Z): $BUILD_CC_VERSION_NUMBER. Comparisons might be wrong." >&5
+$as_echo "$as_me: WARNING: C compiler version number has more than three parts (X.Y.Z): $BUILD_CC_VERSION_NUMBER. Comparisons might be wrong." >&2;}
+  fi
+
+  if  [[  "[$]BUILD_CC_VERSION_NUMBER" =~ [0-9]{6} ]] ; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C compiler version number has a part larger than 99999: $BUILD_CC_VERSION_NUMBER. Comparisons might be wrong." >&5
+$as_echo "$as_me: WARNING: C compiler version number has a part larger than 99999: $BUILD_CC_VERSION_NUMBER. Comparisons might be wrong." >&2;}
+  fi
+
+  OPENJDK_BUILD_COMPARABLE_ACTUAL_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", $1, $2, $3) }' <<< "$BUILD_CC_VERSION_NUMBER"`
+
   else
     # If we are not cross compiling, use the normal target compilers for
     # building the build platform executables.
@@ -49122,6 +49396,18 @@ $as_echo "$supports" >&6; }
 
 
 
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
@@ -49711,6 +49997,8 @@ $as_echo "$supports" >&6; }
 
 
 
+
+
   elif test "x$TOOLCHAIN_TYPE" = xclang; then
     JVM_CFLAGS="$JVM_CFLAGS -D_GNU_SOURCE"
 
@@ -49935,6 +50223,18 @@ $as_echo "$supports" >&6; }
 
 
 
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
@@ -49987,6 +50287,8 @@ $as_echo "$supports" >&6; }
 
 
 
+
+
     fi
     if !   [[ " $JVM_VARIANTS " =~ " zero " ]]   && !   [[ " $JVM_VARIANTS " =~ " zeroshark " ]]  ; then
       # Non-zero builds have stricter warnings
@@ -50440,6 +50742,18 @@ $as_echo "$supports" >&6; }
 
 
 
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
@@ -50469,7 +50783,7 @@ $as_echo "$supports" >&6; }
   # Version comparison method inspired by http://stackoverflow.com/a/24067243
   COMPARABLE_REFERENCE_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", $1, $2, $3) }' <<< "$REFERENCE_VERSION"`
 
-  if test $COMPARABLE_ACTUAL_VERSION -ge $COMPARABLE_REFERENCE_VERSION ; then
+  if test $OPENJDK_BUILD_COMPARABLE_ACTUAL_VERSION -ge $COMPARABLE_REFERENCE_VERSION ; then
     :
 
   else
@@ -50488,6 +50802,8 @@ $as_echo "$supports" >&6; }
 
 
 
+
+
   elif test "x$TOOLCHAIN_TYPE" = xclang; then
     OPENJDK_BUILD_JVM_CFLAGS="$OPENJDK_BUILD_JVM_CFLAGS -D_GNU_SOURCE"
 
@@ -50712,6 +51028,18 @@ $as_echo "$supports" >&6; }
 
 
 
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
@@ -50741,7 +51069,7 @@ $as_echo "$supports" >&6; }
   # Version comparison method inspired by http://stackoverflow.com/a/24067243
   COMPARABLE_REFERENCE_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", $1, $2, $3) }' <<< "$REFERENCE_VERSION"`
 
-  if test $COMPARABLE_ACTUAL_VERSION -ge $COMPARABLE_REFERENCE_VERSION ; then
+  if test $OPENJDK_BUILD_COMPARABLE_ACTUAL_VERSION -ge $COMPARABLE_REFERENCE_VERSION ; then
     :
 
             # These flags either do not work or give spurious warnings prior to gcc 4.8.
@@ -50764,6 +51092,8 @@ $as_echo "$supports" >&6; }
 
 
 
+
+
     fi
     if !   [[ " $JVM_VARIANTS " =~ " zero " ]]   && !   [[ " $JVM_VARIANTS " =~ " zeroshark " ]]  ; then
       # Non-zero builds have stricter warnings
@@ -51918,9 +52248,15 @@ $as_echo "$supports" >&6; }
         DISABLE_WARNING_PREFIX=
       fi
       CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
-      # Repeate the check for the BUILD_CC
+      # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset
+      # CFLAGS since any target specific flags will likely not work with the
+      # build compiler
       CC_OLD="$CC"
+      CXX_OLD="$CXX"
       CC="$BUILD_CC"
+      CXX="$BUILD_CXX"
+      CFLAGS_OLD="$CFLAGS"
+      CFLAGS=""
 
 
 
@@ -52198,6 +52534,8 @@ $as_echo "$supports" >&6; }
         BUILD_CC_DISABLE_WARNING_PREFIX=
       fi
       CC="$CC_OLD"
+      CXX="$CXX_OLD"
+      CFLAGS="$CFLAGS_OLD"
       ;;
     clang)
       DISABLE_WARNING_PREFIX="-Wno-"

common/autoconf/toolchain.m4

@@ -59,23 +59,25 @@ TOOLCHAIN_MINIMUM_VERSION_xlc=""
 
 # Prepare the system so that TOOLCHAIN_CHECK_COMPILER_VERSION can be called.
 # Must have CC_VERSION_NUMBER and CXX_VERSION_NUMBER.
+# $1 - optional variable prefix for compiler and version variables (BUILD_)
+# $2 - optional variable prefix for comparable variable (OPENJDK_BUILD_)
 AC_DEFUN([TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS],
 [
-  if test "x$CC_VERSION_NUMBER" != "x$CXX_VERSION_NUMBER"; then
+  if test "x[$]$1CC_VERSION_NUMBER" != "x[$]$1CXX_VERSION_NUMBER"; then
-    AC_MSG_WARN([C and C++ compiler has different version numbers, $CC_VERSION_NUMBER vs $CXX_VERSION_NUMBER.])
+    AC_MSG_WARN([C and C++ compiler have different version numbers, [$]$1CC_VERSION_NUMBER vs [$]$1CXX_VERSION_NUMBER.])
     AC_MSG_WARN([This typically indicates a broken setup, and is not supported])
   fi
 
   # We only check CC_VERSION_NUMBER since we assume CXX_VERSION_NUMBER is equal.
-  if [ [[ "$CC_VERSION_NUMBER" =~ (.*\.){3} ]] ]; then
+  if [ [[ "[$]$1CC_VERSION_NUMBER" =~ (.*\.){3} ]] ]; then
-    AC_MSG_WARN([C compiler version number has more than three parts (X.Y.Z): $CC_VERSION_NUMBER. Comparisons might be wrong.])
+    AC_MSG_WARN([C compiler version number has more than three parts (X.Y.Z): [$]$1CC_VERSION_NUMBER. Comparisons might be wrong.])
   fi
 
-  if [ [[  "$CC_VERSION_NUMBER" =~ [0-9]{6} ]] ]; then
+  if [ [[  "[$]$1CC_VERSION_NUMBER" =~ [0-9]{6} ]] ]; then
-    AC_MSG_WARN([C compiler version number has a part larger than 99999: $CC_VERSION_NUMBER. Comparisons might be wrong.])
+    AC_MSG_WARN([C compiler version number has a part larger than 99999: [$]$1CC_VERSION_NUMBER. Comparisons might be wrong.])
   fi
 
-  COMPARABLE_ACTUAL_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", [$]1, [$]2, [$]3) }' <<< "$CC_VERSION_NUMBER"`
+  $2COMPARABLE_ACTUAL_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", [$]1, [$]2, [$]3) }' <<< "[$]$1CC_VERSION_NUMBER"`
 ])
 
 # Check if the configured compiler (C and C++) is of a specific version or
@@ -85,8 +87,9 @@ AC_DEFUN([TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS],
 #   VERSION:   The version string to check against the found version
 #   IF_AT_LEAST:   block to run if the compiler is at least this version (>=)
 #   IF_OLDER_THAN:   block to run if the compiler is older than this version (<)
+#   PREFIX:   Optional variable prefix for compiler to compare version for (OPENJDK_BUILD_)
 BASIC_DEFUN_NAMED([TOOLCHAIN_CHECK_COMPILER_VERSION],
-    [*VERSION IF_AT_LEAST IF_OLDER_THAN], [$@],
+    [*VERSION PREFIX IF_AT_LEAST IF_OLDER_THAN], [$@],
 [
   # Need to assign to a variable since m4 is blocked from modifying parts in [].
   REFERENCE_VERSION=ARG_VERSION
@@ -102,7 +105,7 @@ BASIC_DEFUN_NAMED([TOOLCHAIN_CHECK_COMPILER_VERSION],
   # Version comparison method inspired by http://stackoverflow.com/a/24067243
   COMPARABLE_REFERENCE_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", [$]1, [$]2, [$]3) }' <<< "$REFERENCE_VERSION"`
 
-  if test $COMPARABLE_ACTUAL_VERSION -ge $COMPARABLE_REFERENCE_VERSION ; then
+  if test [$]ARG_PREFIX[COMPARABLE_ACTUAL_VERSION] -ge $COMPARABLE_REFERENCE_VERSION ; then
     :
     ARG_IF_AT_LEAST
   else
@@ -808,6 +811,10 @@ AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS],
     BUILD_LDCXX="$BUILD_CXX"
 
     PATH="$OLDPATH"
+
+    TOOLCHAIN_EXTRACT_COMPILER_VERSION(BUILD_CC, [BuildC])
+    TOOLCHAIN_EXTRACT_COMPILER_VERSION(BUILD_CXX, [BuildC++])
+    TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS([BUILD_], [OPENJDK_BUILD_])
   else
     # If we are not cross compiling, use the normal target compilers for
     # building the build platform executables.

common/bin/idea.sh

@@ -0,0 +1,199 @@
+#!/bin/sh
+#
+# Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+# Shell script for generating an IDEA project from a given list of modules
+
+usage() {
+      echo "usage: $0 [-h|--help] [-v|--verbose] [-o|--output <path>] [modules]+" 
+      exit 1
+}
+
+SCRIPT_DIR=`dirname $0`
+PWD=`pwd`
+cd $SCRIPT_DIR; SCRIPT_DIR=`pwd`
+cd ../../; TOP=`pwd`; cd $PWD
+
+IDEA_OUTPUT=$TOP/.idea
+VERBOSE="false"
+while [ $# -gt 0 ]
+do
+  case $1 in
+    -h | --help )
+      usage
+      ;;
+
+    -v | --vebose )
+      VERBOSE="true"
+      ;;
+
+    -o | --output )
+      IDEA_OUTPUT=$2
+      shift
+      ;;
+
+    -*)  # bad option
+      usage
+      ;;
+
+     * )  # non option
+      break
+      ;;
+  esac
+  shift
+done
+
+mkdir $IDEA_OUTPUT || exit 1
+cd $IDEA_OUTPUT; IDEA_OUTPUT=`pwd`
+
+IDEA_MAKE="$TOP/make/idea"
+IDEA_TEMPLATE="$IDEA_MAKE/template"
+IML_TEMPLATE="$IDEA_TEMPLATE/jdk.iml"
+ANT_TEMPLATE="$IDEA_TEMPLATE/ant.xml"
+IDEA_IML="$IDEA_OUTPUT/jdk.iml"
+IDEA_ANT="$IDEA_OUTPUT/ant.xml"
+
+if [ "$VERBOSE" = "true" ] ; then
+  echo "output dir: $IDEA_OUTPUT"
+  echo "idea template dir: $IDEA_TEMPLATE"
+fi
+
+if [ ! -f "$IML_TEMPLATE" ] ; then
+  echo "FATAL: cannot find $IML_TEMPLATE" >&2; exit 1
+fi
+
+if [ ! -f "$ANT_TEMPLATE" ] ; then
+  echo "FATAL: cannot find $ANT_TEMPLATE" >&2; exit 1
+fi
+
+cp -r "$IDEA_TEMPLATE"/* "$IDEA_OUTPUT"
+cd $TOP ; make -f "$IDEA_MAKE/idea.gmk" -I make/common idea MAKEOVERRIDES= OUT=$IDEA_OUTPUT/env.cfg MODULES="$*" || exit 1
+cd $SCRIPT_DIR
+
+. $IDEA_OUTPUT/env.cfg
+
+# Expect MODULE_ROOTS, MODULE_NAMES, BOOT_JDK & SPEC to be set
+if [ "x$MODULE_ROOTS" = "x" ] ; then
+  echo "FATAL: MODULE_ROOTS is empty" >&2; exit 1
+fi
+
+if [ "x$MODULE_NAMES" = "x" ] ; then
+  echo "FATAL: MODULE_NAMES is empty" >&2; exit 1
+fi
+
+if [ "x$BOOT_JDK" = "x" ] ; then
+  echo "FATAL: BOOT_JDK is empty" >&2; exit 1
+fi
+
+if [ "x$SPEC" = "x" ] ; then
+  echo "FATAL: SPEC is empty" >&2; exit 1
+fi
+
+SOURCE_FOLDER="      <sourceFolder url=\"file://\$MODULE_DIR\$/####\" isTestSource=\"false\" />"
+SOURCE_FOLDERS_DONE="false"
+
+addSourceFolder() {
+  root=$@
+  relativePath="`echo "$root" | sed -e s@"$TOP/\(.*$\)"@"\1"@`"
+  folder="`echo "$SOURCE_FOLDER" | sed -e s@"\(.*/\)####\(.*\)"@"\1$relativePath\2"@`"
+  printf "%s\n" "$folder" >> $IDEA_IML
+}
+
+### Generate project iml
+RELATIVE_BUILD_DIR="`dirname $SPEC | sed -e s@"$TOP/\(.*$\)"@"\1"@`"
+rm -f $IDEA_IML
+while IFS= read -r line
+do
+  if echo "$line" | egrep "^ .* <sourceFolder.*####" > /dev/null ; then
+    if [ "$SOURCE_FOLDERS_DONE" = "false" ] ; then 
+      SOURCE_FOLDERS_DONE="true"
+      for root in $MODULE_ROOTS; do
+         addSourceFolder $root
+      done
+    fi
+  elif echo "$line" | egrep "^ .* <excludeFolder.*####" > /dev/null ; then
+    ul="`echo "$line" | sed -e s@"\(.*/\)####\(.*\)"@"\1$RELATIVE_BUILD_DIR\2"@`"
+    printf "%s\n" "$ul" >> $IDEA_IML 
+  else
+    printf "%s\n" "$line" >> $IDEA_IML
+  fi
+done < "$IML_TEMPLATE"
+
+
+MODULE_NAME="        <property name=\"module.name\" value=\"####\" />"
+
+addModuleName() {
+  mn="`echo "$MODULE_NAME" | sed -e s@"\(.*\)####\(.*\)"@"\1$MODULE_NAMES\2"@`"
+  printf "%s\n" "$mn" >> $IDEA_ANT
+}
+
+BUILD_DIR="        <property name=\"build.target.dir\" value=\"####\" />"
+
+addBuildDir() {
+  DIR=`dirname $SPEC`
+  mn="`echo "$BUILD_DIR" | sed -e s@"\(.*\)####\(.*\)"@"\1$DIR\2"@`"
+  printf "%s\n" "$mn" >> $IDEA_ANT
+}
+
+### Generate ant.xml
+
+rm -f $IDEA_ANT
+while IFS= read -r line
+do
+  if echo "$line" | egrep "^ .* <property name=\"module.name\"" > /dev/null ; then
+    addModuleName
+  elif echo "$line" | egrep "^ .* <property name=\"build.target.dir\"" > /dev/null ; then
+    addBuildDir
+  else
+    printf "%s\n" "$line" >> $IDEA_ANT
+  fi
+done < "$ANT_TEMPLATE"
+
+### Compile the custom Logger
+
+CLASSES=$IDEA_OUTPUT/classes
+
+if [ "x$ANT_HOME" = "x" ] ; then
+   # try some common locations, before giving up
+   if [ -f "/usr/share/ant/lib/ant.jar" ] ; then
+     ANT_HOME="/usr/share/ant"
+   elif [ -f "/usr/local/Cellar/ant/1.9.4/libexec/lib/ant.jar" ] ; then
+     ANT_HOME="/usr/local/Cellar/ant/1.9.4/libexec"
+   else
+     echo "FATAL: cannot find ant. Try setting ANT_HOME." >&2; exit 1
+   fi
+fi
+CP=$ANT_HOME/lib/ant.jar
+rm -rf $CLASSES; mkdir $CLASSES
+
+if [ "x$CYGPATH" = "x" ] ; then ## CYGPATH may be set in env.cfg
+  JAVAC_SOURCE_FILE=$IDEA_OUTPUT/src/idea/JdkIdeaAntLogger.java
+  JAVAC_CLASSES=$CLASSES
+  JAVAC_CP=$CP
+else
+  JAVAC_SOURCE_FILE=`cygpath -am $IDEA_OUTPUT/src/idea/JdkIdeaAntLogger.java`
+  JAVAC_CLASSES=`cygpath -am $CLASSES`
+  JAVAC_CP=`cygpath -am $CP`
+fi
+
+$BOOT_JDK/bin/javac -d $JAVAC_CLASSES -cp $JAVAC_CP $JAVAC_SOURCE_FILE

common/bin/jib.sh

@@ -89,7 +89,7 @@ install_jib() {
     fi
 
     if command -v curl > /dev/null; then
-        getcmd="curl -s"
+        getcmd="curl -s -L --retry 3 --retry-delay 5"
     elif command -v wget > /dev/null; then
         getcmd="wget --quiet -O -"
     else

hotspot/.hgtags

@@ -520,3 +520,4 @@ b64432bae5271735fd53300b2005b713e98ef411 jdk-9+114
 88dd08d7be0fe7fb9f1914b1628f0aae9bf56e25 jdk-9+115
 61a214186dae6811dd989e9165e42f7dbf02acde jdk-9+116
 88170d3642905b9e6cac03e8efcc976885a7e6da jdk-9+117
+9b1075cac08dc836ec32e7b368415cbe3aceaf8c jdk-9+118

hotspot/src/share/vm/prims/jvm.cpp

@@ -3387,14 +3387,14 @@ bool force_verify_field_access(Klass* current_class, Klass* field_class, AccessF
   return (!access.is_private() && InstanceKlass::cast(current_class)->is_same_class_package(field_class));
 }
 
-// Return the first non-null class loader up the execution stack, or null
+// Return the first user-defined class loader up the execution stack, or null
-// if only code from the null class loader is on the stack.
+// if only code from the bootstrap or platform class loader is on the stack.
 
 JVM_ENTRY(jobject, JVM_LatestUserDefinedLoader(JNIEnv *env))
   for (vframeStream vfst(thread); !vfst.at_end(); vfst.next()) {
     vfst.skip_reflection_related_frames(); // Only needed for 1.4 reflection
     oop loader = vfst.method()->method_holder()->class_loader();
-    if (loader != NULL) {
+    if (loader != NULL && !SystemDictionary::is_platform_class_loader(loader)) {
       return JNIHandles::make_local(env, loader);
     }
   }

hotspot/test/Makefile

@@ -120,24 +120,33 @@ endif
 TEST_ROOT := $(shell pwd)
 
 # Root of all test results
-ifdef ALT_OUTPUTDIR
+ifdef TEST_OUTPUT_DIR
-  ABS_BUILD_ROOT = $(ALT_OUTPUTDIR)
+  $(shell $(MKDIR) -p $(TEST_OUTPUT_DIR)/jtreg)
+  ABS_TEST_OUTPUT_DIR := \
+    $(shell $(CD) $(TEST_OUTPUT_DIR)/jtreg && $(PWD))
 else
-  ABS_BUILD_ROOT = $(TEST_ROOT)/../build/$(PLATFORM)-$(ARCH)
+  ifdef ALT_OUTPUTDIR
+    ABS_OUTPUTDIR = $(shell $(CD) $(ALT_OUTPUTDIR) && $(PWD))
+  else
+    ABS_OUTPUTDIR = $(shell $(CD) $(TEST_ROOT)/.. && $(PWD))
+  endif
+
+  ABS_PLATFORM_BUILD_ROOT = $(ABS_OUTPUTDIR)
+  ABS_TEST_OUTPUT_DIR := $(ABS_PLATFORM_BUILD_ROOT)/testoutput/$(UNIQUE_DIR)
 endif
-ABS_TEST_OUTPUT_DIR = $(ABS_BUILD_ROOT)/testoutput/$(UNIQUE_DIR)
 
 # Expect JPRT to set PRODUCT_HOME (the product or jdk in this case to test)
 ifndef PRODUCT_HOME
-  # Try to use j2sdk-image if it exists
+  # Try to use images/jdk if it exists
-  ABS_JDK_IMAGE = $(ABS_BUILD_ROOT)/j2sdk-image
+  ABS_JDK_IMAGE = $(ABS_PLATFORM_BUILD_ROOT)/images/jdk
-  PRODUCT_HOME :=                       \
+  PRODUCT_HOME :=                       		\
-    $(shell                             \
+    $(shell                             		\
-      if [ -d $(ABS_JDK_IMAGE) ] ; then \
+      if [ -d $(ABS_JDK_IMAGE) ] ; then 		\
-         $(ECHO) "$(ABS_JDK_IMAGE)";    \
+         $(ECHO) "$(ABS_JDK_IMAGE)";    		\
-       else                             \
+       else                             		\
-         $(ECHO) "$(ABS_BUILD_ROOT)" ;  \
+         $(ECHO) "$(ABS_PLATFORM_BUILD_ROOT)";		\
        fi)
+  PRODUCT_HOME := $(PRODUCT_HOME)
 endif
 
 # Expect JPRT to set JAVA_ARGS (e.g. -server etc.)

jdk/.hgtags

@@ -360,3 +360,4 @@ bb8379287f3736f38c52b2d1418784e2592461d1 jdk-9+114
 35225b837d66582037eeadeb471c13235dfd793d jdk-9+115
 baeb5edb38939cdb78ae0ac6f4fd368465cbf188 jdk-9+116
 4da0f73ce03aaf245b92cc040cc0ab0e3fa54dc2 jdk-9+117
+e1eba5cfa5cc8c66d524396a05323dc93568730a jdk-9+118

jdk/make/Tools.gmk

@@ -37,10 +37,6 @@ BUILD_TOOLS_JDK := $(call SetupJavaCompilationCompileTarget, \
 
 ################################################################################
 
-# Add a checksum ("jsum") to the end of a text file. Prevents trivial tampering with class lists.
-TOOL_ADDJSUM = $(JAVA_SMALL) -cp $(BUILDTOOLS_OUTPUTDIR)/jdk_tools_classes \
-    build.tools.addjsum.AddJsum
-
 ifeq ($(BOOT_JDK_MODULAR), true)
   COMPILEFONTCONFIG_ADD_EXPORTS := -XaddExports:java.desktop/sun.awt=ALL-UNNAMED
 endif

jdk/make/launcher/Launcher-java.base.gmk

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -25,11 +25,11 @@
 
 include LauncherCommon.gmk
 
-JAVA_RC_FLAGS += -i $(JDK_TOPDIR)/src/java.base/windows/native/common
+JAVA_RC_FLAGS += -I $(JDK_TOPDIR)/src/java.base/windows/native/common
 ifdef OPENJDK
-  JAVA_RC_FLAGS += -i "$(JDK_TOPDIR)/src/java.base/windows/native/launcher/icons"
+  JAVA_RC_FLAGS += -I $(JDK_TOPDIR)/src/java.base/windows/native/launcher/icons
 else
-  JAVA_RC_FLAGS += -i "$(JDK_TOPDIR)/src/closed/java.base/windows/native/launcher/icons"
+  JAVA_RC_FLAGS += -I $(JDK_TOPDIR)/src/closed/java.base/windows/native/launcher/icons
 endif
 
 ################################################################################

jdk/make/lib/Awt2dLibraries.gmk

@@ -224,9 +224,9 @@ ifeq ($(OPENJDK_TARGET_OS), windows)
   endif
 
   ifdef OPENJDK
-    LIBAWT_RC_FLAGS := -i "$(JDK_TOPDIR)/src/java.base/windows/native/launcher/icons"
+    LIBAWT_RC_FLAGS := -I $(JDK_TOPDIR)/src/java.base/windows/native/launcher/icons
   else
-    LIBAWT_RC_FLAGS := -i "$(JDK_TOPDIR)/src/closed/java.base/windows/native/launcher/icons"
+    LIBAWT_RC_FLAGS := -I $(JDK_TOPDIR)/src/closed/java.base/windows/native/launcher/icons
   endif
   LIBAWT_VERSIONINFO_RESOURCE := $(JDK_TOPDIR)/src/java.desktop/windows/native/libawt/windows/awt.rc
 endif

jdk/make/mapfiles/libj2ucrypto/mapfile-vers

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -30,28 +30,35 @@ SUNWprivate_1.1 {
                 JNI_OnLoad;
                 Java_com_oracle_security_ucrypto_UcryptoProvider_loadLibraries;
                 Java_com_oracle_security_ucrypto_UcryptoProvider_getMechList;
-		Java_com_oracle_security_ucrypto_NativeDigest_nativeInit;
+                Java_com_oracle_security_ucrypto_NativeDigestMD_nativeInit;
+                Java_com_oracle_security_ucrypto_NativeDigestMD_nativeUpdate;
+                Java_com_oracle_security_ucrypto_NativeDigestMD_nativeDigest;
+                Java_com_oracle_security_ucrypto_NativeDigestMD_nativeClone;
+                Java_com_oracle_security_ucrypto_NativeDigestMD_nativeFree;
+                Java_com_oracle_security_ucrypto_NativeDigest_nativeInit;
                 Java_com_oracle_security_ucrypto_NativeDigest_nativeUpdate;
                 Java_com_oracle_security_ucrypto_NativeDigest_nativeDigest;
-                Java_com_oracle_security_ucrypto_NativeDigest_nativeClone;
                 Java_com_oracle_security_ucrypto_NativeDigest_nativeFree;
-		Java_com_oracle_security_ucrypto_NativeCipher_nativeInit;
+                Java_com_oracle_security_ucrypto_NativeCipher_nativeInit;
-		Java_com_oracle_security_ucrypto_NativeCipher_nativeUpdate;
+                Java_com_oracle_security_ucrypto_NativeCipher_nativeUpdate;
-		Java_com_oracle_security_ucrypto_NativeCipher_nativeFinal;
+                Java_com_oracle_security_ucrypto_NativeCipher_nativeFinal;
                 Java_com_oracle_security_ucrypto_NativeKey_nativeFree;
                 Java_com_oracle_security_ucrypto_NativeKey_00024RSAPrivate_nativeInit;
                 Java_com_oracle_security_ucrypto_NativeKey_00024RSAPrivateCrt_nativeInit;
                 Java_com_oracle_security_ucrypto_NativeKey_00024RSAPublic_nativeInit;
-		Java_com_oracle_security_ucrypto_NativeRSASignature_nativeInit;
+                Java_com_oracle_security_ucrypto_NativeRSASignature_nativeInit;
-		Java_com_oracle_security_ucrypto_NativeRSASignature_nativeUpdate__JZ_3BII;
+                Java_com_oracle_security_ucrypto_NativeRSASignature_nativeUpdate__JZ_3BII;
-		Java_com_oracle_security_ucrypto_NativeRSASignature_nativeUpdate__JZJI;
+                Java_com_oracle_security_ucrypto_NativeRSASignature_nativeUpdate__JZJI;
-		Java_com_oracle_security_ucrypto_NativeRSASignature_nativeFinal;
+                Java_com_oracle_security_ucrypto_NativeRSASignature_nativeFinal;
-		Java_com_oracle_security_ucrypto_NativeRSACipher_nativeAtomic;
+                Java_com_oracle_security_ucrypto_NativeRSACipher_nativeAtomic;
-
+                JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeInit;
+                JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeUpdate;
+                JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeDigest;
+                JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeClone;
+                JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeFree;
                 JavaCritical_com_oracle_security_ucrypto_NativeDigest_nativeInit;
                 JavaCritical_com_oracle_security_ucrypto_NativeDigest_nativeUpdate;
                 JavaCritical_com_oracle_security_ucrypto_NativeDigest_nativeDigest;
-                JavaCritical_com_oracle_security_ucrypto_NativeDigest_nativeClone;
                 JavaCritical_com_oracle_security_ucrypto_NativeDigest_nativeFree;
                 JavaCritical_com_oracle_security_ucrypto_NativeCipher_nativeInit;
                 JavaCritical_com_oracle_security_ucrypto_NativeCipher_nativeUpdate;
@@ -60,10 +67,10 @@ SUNWprivate_1.1 {
                 JavaCritical_com_oracle_security_ucrypto_NativeKey_00024RSAPrivate_nativeInit;
                 JavaCritical_com_oracle_security_ucrypto_NativeKey_00024RSAPrivateCrt_nativeInit;
                 JavaCritical_com_oracle_security_ucrypto_NativeKey_00024RSAPublic_nativeInit;
-		JavaCritical_com_oracle_security_ucrypto_NativeRSASignature_nativeInit;
+                JavaCritical_com_oracle_security_ucrypto_NativeRSASignature_nativeInit;
-		JavaCritical_com_oracle_security_ucrypto_NativeRSASignature_nativeUpdate__JZ_3BII;
+                JavaCritical_com_oracle_security_ucrypto_NativeRSASignature_nativeUpdate__JZ_3BII;
-		JavaCritical_com_oracle_security_ucrypto_NativeRSASignature_nativeUpdate__JZJI;
+                JavaCritical_com_oracle_security_ucrypto_NativeRSASignature_nativeUpdate__JZJI;
-		JavaCritical_com_oracle_security_ucrypto_NativeRSASignature_nativeFinal;
+                JavaCritical_com_oracle_security_ucrypto_NativeRSASignature_nativeFinal;
                 JavaCritical_com_oracle_security_ucrypto_NativeRSACipher_nativeAtomic;
 
 	local:

jdk/make/mapfiles/libjava/mapfile-vers

@@ -262,7 +262,7 @@ SUNWprivate_1.1 {
 		Java_jdk_internal_reflect_Reflection_getCallerClass__;
 		Java_jdk_internal_reflect_Reflection_getCallerClass__I;
 		Java_jdk_internal_reflect_Reflection_getClassAccessFlags;
-		Java_jdk_internal_misc_VM_latestUserDefinedLoader;
+		Java_jdk_internal_misc_VM_latestUserDefinedLoader0;
                 Java_jdk_internal_misc_VM_getuid;
                 Java_jdk_internal_misc_VM_geteuid;
                 Java_jdk_internal_misc_VM_getgid;

jdk/make/non-build-utils/src/build/tools/makeclasslist/makeClasslist.js

@@ -1,62 +0,0 @@
-/*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/**
- * This tool is used to help create the class list for class data sharing.
- *
- * The classlist is produced internally by first running a select number of
- * startup benchmarks with the -XX:DumpLoadedClassList=<file> option, then
- * running this tool in the following fashion to produce a complete classlist:
- *
- * jjs -scripting makeClasslist.js -- list1 list2 list3 > classlist.platform
- *
- * The lists should be listed in roughly smallest to largest order based on
- * application size.
- *
- * After generating the classlist it's necessary to add a checksum (using
- * AddJsum.java) before checking it into the workspace as the corresponding
- * platform-specific classlist, such as make/data/classlist/classlist.linux 
- */
-"use strict";
-var classlist = [];
-var seenClasses = {};
-
-for (var a in $ARG) {
-  var arg = $ARG[a];
-
-  var classes = readFully(arg).replace(/[\r\n]+/g, "\n").split("\n");
-
-  for (var c in classes) {
-    var clazz = classes[c];
-    if (clazz !== "" && seenClasses[clazz] === undefined) {
-      seenClasses[clazz] = clazz;
-      classlist.push(clazz);
-    }
-  }
-}
-
-for (c in classlist) {
-  print(classlist[c]);
-}

jdk/make/src/classes/build/tools/addjsum/AddJsum.java

@@ -1,95 +0,0 @@
-/*
- * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package build.tools.addjsum;
-
-import java.io.*;
-import java.util.regex.*;
-
-/** Adds a checksum ("jsum") to the end of a text file. The algorithm
-    used is known to the JVM and prevents trivial tampering with the
-    class list used for class data sharing.
-*/
-
-public class AddJsum {
-  private static final long JSUM_SEED = 0xCAFEBABEBABECAFEL;
-
-  public static void main(String[] args) throws Exception {
-    if (args.length != 2) {
-      System.err.println("Usage: java AddJsum [input file name] [output file name]");
-      System.exit(1);
-    }
-
-    try {
-      File inFile  = new File(args[0]);
-      File outFile = new File(args[1]);
-      BufferedReader reader = new BufferedReader(new FileReader(inFile));
-      BufferedWriter writer = new BufferedWriter(new FileWriter(outFile));
-      Pattern p = Pattern.compile("# [0-9A-Fa-f]*");
-      long computedJsum = JSUM_SEED;
-
-      String line = null;
-      while ((line = reader.readLine()) != null) {
-        if (line.length() > 0 && line.charAt(0) == '#') {
-          Matcher m = p.matcher(line);
-          if (!m.matches()) {
-            writer.write(line);
-            writer.newLine();
-          }
-        } else {
-          computedJsum = jsum(computedJsum, line);
-          writer.write(line);
-          writer.newLine();
-        }
-      }
-      String hex = Long.toHexString(computedJsum);
-      int diff = 16 - hex.length();
-      for (int i = 0; i < diff; i++) {
-        hex = "0" + hex;
-      }
-      writer.write("# " + hex);
-      writer.newLine();
-      reader.close();
-      writer.close();
-    } catch (IOException e) {
-      System.err.println("Error reading or writing file");
-      throw(e);
-    }
-  }
-
-  private static long jsum(long start, String str) {
-    long h = start;
-    int len = str.length();
-    for (int i = 0; i < len; i++) {
-      char c = str.charAt(i);
-      if (c <= ' ') {
-        /* Skip spaces and control characters */
-        continue;
-      }
-      h = 31 * h + c;
-    }
-    return h;
-  }
-}

jdk/src/java.base/share/classes/java/io/ObjectInputStream.java

@@ -603,12 +603,12 @@ public class ObjectInputStream
      *     Class.forName(desc.getName(), false, loader)
      * </pre>
      * where <code>loader</code> is determined as follows: if there is a
-     * method on the current thread's stack whose declaring class was
+     * method on the current thread's stack whose declaring class is not a
-     * defined by a user-defined class loader (and was not a generated to
+     * <a href="../lang/ClassLoader.html#builtinLoaders">
-     * implement reflective invocations), then <code>loader</code> is class
+     * <em>platform class</em></a>, then <code>loader</code> is
-     * loader corresponding to the closest such method to the currently
+     * the class loader of such class; otherwise, <code>loader</code>
-     * executing frame; otherwise, <code>loader</code> is
+     * is the {@linkplain ClassLoader#getPlatformClassLoader()
-     * <code>null</code>. If this call results in a
+     * platform class loader}.  If this call results in a
      * <code>ClassNotFoundException</code> and the name of the passed
      * <code>ObjectStreamClass</code> instance is the Java language keyword
      * for a primitive type or void, then the <code>Class</code> object
@@ -666,12 +666,15 @@ public class ObjectInputStream
      * <pre>
      *     Class.forName(i, false, loader)
      * </pre>
-     * where <code>loader</code> is that of the first non-<code>null</code>
+     * where <code>loader</code> is determined as follows: if there is a
-     * class loader up the execution stack, or <code>null</code> if no
+     * method on the current thread's stack whose declaring class is not a
-     * non-<code>null</code> class loaders are on the stack (the same class
+     * <a href="../lang/ClassLoader.html#builtinLoaders">
-     * loader choice used by the <code>resolveClass</code> method).  Unless any
+     * <em>platform class</em></a>, then <code>loader</code> is
-     * of the resolved interfaces are non-public, this same value of
+     * the class loader of such class; otherwise, <code>loader</code>
-     * <code>loader</code> is also the class loader passed to
+     * is the {@linkplain ClassLoader#getPlatformClassLoader()
+     * platform class loader}.
+     * Unless any of the resolved interfaces are non-public, this same value
+     * of <code>loader</code> is also the class loader passed to
      * <code>Proxy.getProxyClass</code>; if non-public interfaces are present,
      * their class loader is passed instead (if more than one non-public
      * interface class loader is encountered, an
@@ -2154,10 +2157,11 @@ public class ObjectInputStream
                                               int ndoubles);
 
     /**
-     * Returns the first non-null class loader (not counting class loaders of
+     * Returns the first non-null and non-platform class loader
-     * generated reflection implementation classes) up the execution stack, or
+     * (not counting class loaders of generated reflection implementation classes)
-     * null if only code from the null class loader is on the stack.  This
+     * up the execution stack, or null if only code from the bootstrap and
-     * method is also called via reflection by the following RMI-IIOP class:
+     * platform class loader is on the stack.
+     * This method is also called via reflection by the following RMI-IIOP class:
      *
      *     com.sun.corba.se.internal.util.JDKClassLoader
      *

jdk/src/java.base/share/classes/java/lang/Integer.java

@@ -1221,13 +1221,13 @@ public final class Integer extends Number implements Comparable<Integer> {
     }
 
     /**
-     * Returns a hash code for a {@code int} value; compatible with
+     * Returns a hash code for an {@code int} value; compatible with
      * {@code Integer.hashCode()}.
      *
      * @param value the value to hash
      * @since 1.8
      *
-     * @return a hash code value for a {@code int} value.
+     * @return a hash code value for an {@code int} value.
      */
     public static int hashCode(int value) {
         return value;
@@ -1596,7 +1596,7 @@ public final class Integer extends Number implements Comparable<Integer> {
     @Native public static final int SIZE = 32;
 
     /**
-     * The number of bytes used to represent a {@code int} value in two's
+     * The number of bytes used to represent an {@code int} value in two's
      * complement binary form.
      *
      * @since 1.8
@@ -1790,9 +1790,8 @@ public final class Integer extends Number implements Comparable<Integer> {
         i = (i & 0x55555555) << 1 | (i >>> 1) & 0x55555555;
         i = (i & 0x33333333) << 2 | (i >>> 2) & 0x33333333;
         i = (i & 0x0f0f0f0f) << 4 | (i >>> 4) & 0x0f0f0f0f;
-        i = (i << 24) | ((i & 0xff00) << 8) |
+
-            ((i >>> 8) & 0xff00) | (i >>> 24);
+        return reverseBytes(i);
-        return i;
     }
 
     /**
@@ -1820,10 +1819,10 @@ public final class Integer extends Number implements Comparable<Integer> {
      */
     @HotSpotIntrinsicCandidate
     public static int reverseBytes(int i) {
-        return ((i >>> 24)           ) |
+        return (i << 24)            |
-               ((i >>   8) &   0xFF00) |
+               ((i & 0xff00) << 8)  |
-               ((i <<   8) & 0xFF0000) |
+               ((i >>> 8) & 0xff00) |
-               ((i << 24));
+               (i >>> 24);
     }
 
     /**

jdk/src/java.base/share/classes/java/lang/Long.java

@@ -1952,10 +1952,8 @@ public final class Long extends Number implements Comparable<Long> {
         i = (i & 0x5555555555555555L) << 1 | (i >>> 1) & 0x5555555555555555L;
         i = (i & 0x3333333333333333L) << 2 | (i >>> 2) & 0x3333333333333333L;
         i = (i & 0x0f0f0f0f0f0f0f0fL) << 4 | (i >>> 4) & 0x0f0f0f0f0f0f0f0fL;
-        i = (i & 0x00ff00ff00ff00ffL) << 8 | (i >>> 8) & 0x00ff00ff00ff00ffL;
+
-        i = (i << 48) | ((i & 0xffff0000L) << 16) |
+        return reverseBytes(i);
-            ((i >>> 16) & 0xffff0000L) | (i >>> 48);
-        return i;
     }
 
     /**

jdk/src/java.base/share/classes/java/lang/SecurityManager.java

@@ -1627,8 +1627,7 @@ class SecurityManager {
      * @deprecated This method relies on the caller being at a stack depth
      *             of 4 which is error-prone and cannot be enforced by the runtime.
      *             Users of this method should instead invoke {@link #checkPermission}
-     *             directly.  This method will be changed in a future release
+     *             directly.
-     *             to check the permission {@code java.security.AllPermission}.
      *             This method is subject to removal in a future version of Java SE.
      *
      * @see java.lang.reflect.Member

jdk/src/java.base/share/classes/java/lang/module/ModuleDescriptor.java

@@ -318,7 +318,7 @@ public class ModuleDescriptor
         /**
          * Tests this module export for equality with the given object.
          *
-         * <p> If the given object is not a {@code Exports} then this method
+         * <p> If the given object is not an {@code Exports} then this method
          * returns {@code false}. Two module exports objects are equal if the
          * package names are equal and the set of target module names is equal.
          * </p>

jdk/src/java.base/share/classes/java/lang/reflect/Field.java

@@ -903,7 +903,7 @@ class Field extends AccessibleObject implements Member {
      * Sets the value of a field as an {@code int} on the specified object.
      * This method is equivalent to
      * {@code set(obj, iObj)},
-     * where {@code iObj} is a {@code Integer} object and
+     * where {@code iObj} is an {@code Integer} object and
      * {@code iObj.intValue() == i}.
      *
      * @param obj the object whose field should be modified

jdk/src/java.base/share/classes/java/lang/reflect/InaccessibleObjectException.java

@@ -36,13 +36,13 @@ public class InaccessibleObjectException extends RuntimeException {
     private static final long serialVersionUID = 4158786093378140901L;
 
     /**
-     * Constructs a {@code InaccessibleObjectException} with no detail message.
+     * Constructs an {@code InaccessibleObjectException} with no detail message.
      */
     public InaccessibleObjectException() {
     }
 
     /**
-     * Constructs a {@code InaccessibleObjectException} with the given detail
+     * Constructs an {@code InaccessibleObjectException} with the given detail
      * message.
      *
      * @param msg

jdk/src/java.base/share/classes/java/math/BigInteger.java

@@ -4676,7 +4676,7 @@ public class BigInteger extends Number implements Comparable<BigInteger> {
      *
      * @return this {@code BigInteger} converted to an {@code int}.
      * @throws ArithmeticException if the value of {@code this} will
-     * not exactly fit in a {@code int}.
+     * not exactly fit in an {@code int}.
      * @see BigInteger#intValue
      * @since  1.8
      */

jdk/src/java.base/share/classes/java/net/InetSocketAddress.java

@@ -246,7 +246,7 @@ public class InetSocketAddress
      *                  the range of valid port values, or if the hostname
      *                  parameter is {@code null}.
      * @see     #isUnresolved()
-     * @return  a {@code InetSocketAddress} representing the unresolved
+     * @return  an {@code InetSocketAddress} representing the unresolved
      *          socket address
      * @since 1.5
      */

jdk/src/java.base/share/classes/java/net/URLDecoder.java

@@ -106,8 +106,8 @@ public class URLDecoder {
     }
 
     /**
-     * Decodes a {@code application/x-www-form-urlencoded} string using a specific
+     * Decodes an {@code application/x-www-form-urlencoded} string using
-     * encoding scheme.
+     * a specific encoding scheme.
      * The supplied encoding is used to determine
      * what characters are represented by any consecutive sequences of the
      * form "<i>{@code %xy}</i>".

jdk/src/java.base/share/classes/java/net/URLEncoder.java

@@ -225,7 +225,7 @@ public class URLEncoder {
                     /*
                      * If this character represents the start of a Unicode
                      * surrogate pair, then pass in two characters. It's not
-                     * clear what should be done if a bytes reserved in the
+                     * clear what should be done if a byte reserved in the
                      * surrogate pairs range occurs outside of a legal
                      * surrogate pair. For now, just treat it as if it were
                      * any other character.

jdk/src/java.base/share/classes/java/security/DrbgParameters.java

@@ -196,10 +196,9 @@ import java.util.Objects;
  * of the JDK reference implementation.
  * <p>
  * This implementation supports the Hash_DRBG and HMAC_DRBG mechanisms with
- * DRBG algorithm SHA-1, SHA-224, SHA-512/224, SHA-256, SHA-512/256,
+ * DRBG algorithm SHA-224, SHA-512/224, SHA-256, SHA-512/256, SHA-384 and
- * SHA-384 and SHA-512, and CTR_DRBG (both using derivation function and
+ * SHA-512, and CTR_DRBG (both using derivation function and not using
- * not using derivation function) with DRBG algorithm 3KeyTDEA
+ * derivation function) with DRBG algorithm AES-128, AES-192 and AES-256.
- * (also known as DESede in JCE), AES-128, AES-192 and AES-256.
  * <p>
  * The mechanism name and DRBG algorithm name are determined by the
  * {@linkplain Security#getProperty(String) security property}

jdk/src/java.base/share/classes/java/security/InvalidAlgorithmParameterException.java

@@ -65,7 +65,7 @@ extends GeneralSecurityException {
     }
 
     /**
-     * Creates a {@code InvalidAlgorithmParameterException} with the
+     * Creates an {@code InvalidAlgorithmParameterException} with the
      * specified detail message and cause.
      *
      * @param message the detail message (which is saved for later retrieval
@@ -80,7 +80,7 @@ extends GeneralSecurityException {
     }
 
     /**
-     * Creates a {@code InvalidAlgorithmParameterException} with the
+     * Creates an {@code InvalidAlgorithmParameterException} with the
      * specified cause and a detail message of
      * {@code (cause==null ? null : cause.toString())}
      * (which typically contains the class and detail message of

jdk/src/java.base/share/classes/java/security/InvalidKeyException.java

@@ -58,7 +58,7 @@ public class InvalidKeyException extends KeyException {
     }
 
     /**
-     * Creates a {@code InvalidKeyException} with the specified
+     * Creates an {@code InvalidKeyException} with the specified
      * detail message and cause.
      *
      * @param message the detail message (which is saved for later retrieval
@@ -73,7 +73,7 @@ public class InvalidKeyException extends KeyException {
     }
 
     /**
-     * Creates a {@code InvalidKeyException} with the specified cause
+     * Creates an {@code InvalidKeyException} with the specified cause
      * and a detail message of {@code (cause==null ? null : cause.toString())}
      * (which typically contains the class and detail message of
      * {@code cause}).

jdk/src/java.base/share/classes/java/security/ProtectionDomain.java

@@ -139,12 +139,10 @@ public class ProtectionDomain {
      */
     final Key key = new Key();
 
-    private static final Debug debug = Debug.getInstance("domain");
-
     /**
      * Creates a new ProtectionDomain with the given CodeSource and
      * Permissions. If the permissions object is not null, then
-     *  {@code setReadOnly())} will be called on the passed in
+     *  {@code setReadOnly()} will be called on the passed in
      * Permissions object. The only permissions granted to this domain
      * are the ones specified; the current Policy will not be consulted.
      *
@@ -338,6 +336,13 @@ public class ProtectionDomain {
             " "+pc+"\n";
     }
 
+    /*
+     * holder class for the static field "debug" to delay its initialization
+     */
+    private static class DebugHolder {
+        private static final Debug debug = Debug.getInstance("domain");
+    }
+
     /**
      * Return true (merge policy permissions) in the following cases:
      *
@@ -359,7 +364,7 @@ public class ProtectionDomain {
         if (sm == null) {
             return true;
         } else {
-            if (debug != null) {
+            if (DebugHolder.debug != null) {
                 if (sm.getClass().getClassLoader() == null &&
                     Policy.getPolicyNoCheck().getClass().getClassLoader()
                                                                 == null) {

jdk/src/java.base/share/classes/java/security/Provider.java

@@ -1809,7 +1809,7 @@ public abstract class Provider extends Properties {
         }
 
         /**
-         * Return whether this service has its Supported* properties for
+         * Return whether this service has its supported properties for
          * keys defined. Parses the attributes if not yet initialized.
          */
         private boolean hasKeyAttributes() {

jdk/src/java.base/share/classes/java/security/SecureClassLoader.java

@@ -62,8 +62,6 @@ public class SecureClassLoader extends ClassLoader {
     private final Map<CodeSourceKey, ProtectionDomain> pdcache
             = new ConcurrentHashMap<>(11);
 
-    private static final Debug debug = Debug.getInstance("scl");
-
     static {
         ClassLoader.registerAsParallelCapable();
     }
@@ -202,6 +200,13 @@ public class SecureClassLoader extends ClassLoader {
         return new Permissions(); // ProtectionDomain defers the binding
     }
 
+    /*
+     * holder class for the static field "debug" to delay its initialization
+     */
+    private static class DebugHolder {
+        private static final Debug debug = Debug.getInstance("scl");
+    }
+
     /*
      * Returned cached ProtectionDomain for the specified CodeSource.
      */
@@ -222,9 +227,9 @@ public class SecureClassLoader extends ClassLoader {
                         = SecureClassLoader.this.getPermissions(cs);
                 ProtectionDomain pd = new ProtectionDomain(
                         cs, perms, SecureClassLoader.this, null);
-                if (debug != null) {
+                if (DebugHolder.debug != null) {
-                    debug.println(" getPermissions " + pd);
+                    DebugHolder.debug.println(" getPermissions " + pd);
-                    debug.println("");
+                    DebugHolder.debug.println("");
                 }
                 return pd;
             }

jdk/src/java.base/share/classes/java/security/Security.java

@@ -549,7 +549,7 @@ public final class Security {
 
     /**
      * Returns an array containing all installed providers that satisfy the
-     * specified* selection criteria, or null if no such providers have been
+     * specified selection criteria, or null if no such providers have been
      * installed. The returned providers are ordered
      * according to their
      * {@linkplain #insertProviderAt(java.security.Provider, int)

jdk/src/java.base/share/classes/java/security/spec/InvalidKeySpecException.java

@@ -63,7 +63,7 @@ public class InvalidKeySpecException extends GeneralSecurityException {
     }
 
     /**
-     * Creates a {@code InvalidKeySpecException} with the specified
+     * Creates an {@code InvalidKeySpecException} with the specified
      * detail message and cause.
      *
      * @param message the detail message (which is saved for later retrieval
@@ -78,7 +78,7 @@ public class InvalidKeySpecException extends GeneralSecurityException {
     }
 
     /**
-     * Creates a {@code InvalidKeySpecException} with the specified cause
+     * Creates an {@code InvalidKeySpecException} with the specified cause
      * and a detail message of {@code (cause==null ? null : cause.toString())}
      * (which typically contains the class and detail message of
      * {@code cause}).

jdk/src/java.base/share/classes/java/text/MessageFormat.java

@@ -1068,7 +1068,7 @@ public class MessageFormat extends Format {
      *            index information as described above.
      * @return An <code>Object</code> array parsed from the string. In case of
      *         error, returns null.
-     * @throws NullPointerException if {@code source} or {@code pos} is null.
+     * @throws NullPointerException if {@code pos} is null.
      */
     public Object parseObject(String source, ParsePosition pos) {
         return parse(source, pos);

jdk/src/java.base/share/classes/java/time/Instant.java

@@ -799,33 +799,33 @@ public final class Instant
      * The supported fields behave as follows:
      * <ul>
      * <li>{@code NANOS} -
-     *  Returns a {@code Instant} with the specified number of nanoseconds added.
+     *  Returns an {@code Instant} with the specified number of nanoseconds added.
      *  This is equivalent to {@link #plusNanos(long)}.
      * <li>{@code MICROS} -
-     *  Returns a {@code Instant} with the specified number of microseconds added.
+     *  Returns an {@code Instant} with the specified number of microseconds added.
      *  This is equivalent to {@link #plusNanos(long)} with the amount
      *  multiplied by 1,000.
      * <li>{@code MILLIS} -
-     *  Returns a {@code Instant} with the specified number of milliseconds added.
+     *  Returns an {@code Instant} with the specified number of milliseconds added.
      *  This is equivalent to {@link #plusNanos(long)} with the amount
      *  multiplied by 1,000,000.
      * <li>{@code SECONDS} -
-     *  Returns a {@code Instant} with the specified number of seconds added.
+     *  Returns an {@code Instant} with the specified number of seconds added.
      *  This is equivalent to {@link #plusSeconds(long)}.
      * <li>{@code MINUTES} -
-     *  Returns a {@code Instant} with the specified number of minutes added.
+     *  Returns an {@code Instant} with the specified number of minutes added.
      *  This is equivalent to {@link #plusSeconds(long)} with the amount
      *  multiplied by 60.
      * <li>{@code HOURS} -
-     *  Returns a {@code Instant} with the specified number of hours added.
+     *  Returns an {@code Instant} with the specified number of hours added.
      *  This is equivalent to {@link #plusSeconds(long)} with the amount
      *  multiplied by 3,600.
      * <li>{@code HALF_DAYS} -
-     *  Returns a {@code Instant} with the specified number of half-days added.
+     *  Returns an {@code Instant} with the specified number of half-days added.
      *  This is equivalent to {@link #plusSeconds(long)} with the amount
      *  multiplied by 43,200 (12 hours).
      * <li>{@code DAYS} -
-     *  Returns a {@code Instant} with the specified number of days added.
+     *  Returns an {@code Instant} with the specified number of days added.
      *  This is equivalent to {@link #plusSeconds(long)} with the amount
      *  multiplied by 86,400 (24 hours).
      * </ul>
@@ -958,7 +958,7 @@ public final class Instant
     /**
      * Returns a copy of this instant with the specified amount subtracted.
      * <p>
-     * This returns a {@code Instant}, based on this one, with the amount
+     * This returns an {@code Instant}, based on this one, with the amount
      * in terms of the unit subtracted. If it is not possible to subtract the amount,
      * because the unit is not supported or for some other reason, an exception is thrown.
      * <p>

jdk/src/java.base/share/classes/java/time/LocalDateTime.java

@@ -665,7 +665,7 @@ public final class LocalDateTime
      * The {@link #isSupported(TemporalField) supported fields} will return valid
      * values based on this date-time, except {@code NANO_OF_DAY}, {@code MICRO_OF_DAY},
      * {@code EPOCH_DAY} and {@code PROLEPTIC_MONTH} which are too large to fit in
-     * an {@code int} and throw a {@code UnsupportedTemporalTypeException}.
+     * an {@code int} and throw an {@code UnsupportedTemporalTypeException}.
      * All other {@code ChronoField} instances will throw an {@code UnsupportedTemporalTypeException}.
      * <p>
      * If the field is not a {@code ChronoField}, then the result of this method

jdk/src/java.base/share/classes/java/time/LocalTime.java

@@ -619,7 +619,7 @@ public final class LocalTime
      * If the field is a {@link ChronoField} then the query is implemented here.
      * The {@link #isSupported(TemporalField) supported fields} will return valid
      * values based on this time, except {@code NANO_OF_DAY} and {@code MICRO_OF_DAY}
-     * which are too large to fit in an {@code int} and throw a {@code UnsupportedTemporalTypeException}.
+     * which are too large to fit in an {@code int} and throw an {@code UnsupportedTemporalTypeException}.
      * All other {@code ChronoField} instances will throw an {@code UnsupportedTemporalTypeException}.
      * <p>
      * If the field is not a {@code ChronoField}, then the result of this method

jdk/src/java.base/share/classes/java/time/OffsetDateTime.java

@@ -576,7 +576,7 @@ public final class OffsetDateTime
      * The {@link #isSupported(TemporalField) supported fields} will return valid
      * values based on this date-time, except {@code NANO_OF_DAY}, {@code MICRO_OF_DAY},
      * {@code EPOCH_DAY}, {@code PROLEPTIC_MONTH} and {@code INSTANT_SECONDS} which are too
-     * large to fit in an {@code int} and throw a {@code UnsupportedTemporalTypeException}.
+     * large to fit in an {@code int} and throw an {@code UnsupportedTemporalTypeException}.
      * All other {@code ChronoField} instances will throw an {@code UnsupportedTemporalTypeException}.
      * <p>
      * If the field is not a {@code ChronoField}, then the result of this method

jdk/src/java.base/share/classes/java/time/OffsetTime.java

@@ -481,7 +481,7 @@ public final class OffsetTime
      * If the field is a {@link ChronoField} then the query is implemented here.
      * The {@link #isSupported(TemporalField) supported fields} will return valid
      * values based on this time, except {@code NANO_OF_DAY} and {@code MICRO_OF_DAY}
-     * which are too large to fit in an {@code int} and throw a {@code UnsupportedTemporalTypeException}.
+     * which are too large to fit in an {@code int} and throw an {@code UnsupportedTemporalTypeException}.
      * All other {@code ChronoField} instances will throw an {@code UnsupportedTemporalTypeException}.
      * <p>
      * If the field is not a {@code ChronoField}, then the result of this method

jdk/src/java.base/share/classes/java/time/ZonedDateTime.java

@@ -793,7 +793,7 @@ public final class ZonedDateTime
      * The {@link #isSupported(TemporalField) supported fields} will return valid
      * values based on this date-time, except {@code NANO_OF_DAY}, {@code MICRO_OF_DAY},
      * {@code EPOCH_DAY}, {@code PROLEPTIC_MONTH} and {@code INSTANT_SECONDS} which are too
-     * large to fit in an {@code int} and throw a {@code UnsupportedTemporalTypeException}.
+     * large to fit in an {@code int} and throw an {@code UnsupportedTemporalTypeException}.
      * All other {@code ChronoField} instances will throw an {@code UnsupportedTemporalTypeException}.
      * <p>
      * If the field is not a {@code ChronoField}, then the result of this method

jdk/src/java.base/share/classes/java/time/format/DateTimeFormatter.java

@@ -308,6 +308,7 @@ import java.util.Set;
  *   N       nano-of-day                 number            1234000000
  *
  *   V       time-zone ID                zone-id           America/Los_Angeles; Z; -08:30
+ *   v       generic time-zone name      zone-name         Pacific Time; PT
  *   z       time-zone name              zone-name         Pacific Standard Time; PST
  *   O       localized zone-offset       offset-O          GMT+8; GMT+08:00; UTC-08:00
  *   X       zone-offset 'Z' for zero    offset-X          Z; -08; -0830; -08:30; -083015; -08:30:15
@@ -365,9 +366,17 @@ import java.util.Set;
  * letters throws {@code IllegalArgumentException}.
  * <p>
  * <b>Zone names</b>: This outputs the display name of the time-zone ID. If the
- * count of letters is one, two or three, then the short name is output. If the
+ * pattern letter is 'z' the output is the daylight savings aware zone name.
- * count of letters is four, then the full name is output. Five or more letters
+ * If there is insufficient information to determine whether DST applies,
- * throws {@code IllegalArgumentException}.
+ * the name ignoring daylight savings time will be used.
+ * If the count of letters is one, two or three, then the short name is output.
+ * If the count of letters is four, then the full name is output.
+ * Five or more letters throws {@code IllegalArgumentException}.
+ * <p>
+ * If the pattern letter is 'v' the output provides the zone name ignoring
+ * daylight savings time. If the count of letters is one, then the short name is output.
+ * If the count of letters is four, then the full name is output.
+ * Two, three and five or more letters throw {@code IllegalArgumentException}.
  * <p>
  * <b>Offset X and x</b>: This formats the offset based on the number of pattern
  * letters. One letter outputs just the hour, such as '+01', unless the minute

jdk/src/java.base/share/classes/java/time/format/DateTimeFormatterBuilder.java

@@ -81,9 +81,11 @@ import java.time.DateTimeException;
 import java.time.Instant;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
+import java.time.LocalTime;
 import java.time.ZoneId;
 import java.time.ZoneOffset;
 import java.time.chrono.ChronoLocalDate;
+import java.time.chrono.ChronoLocalDateTime;
 import java.time.chrono.Chronology;
 import java.time.chrono.Era;
 import java.time.chrono.IsoChronology;
@@ -1157,10 +1159,11 @@ public final class DateTimeFormatterBuilder {
      * result of {@link ZoneOffset#getId()}.
      * If the zone is not an offset, the textual name will be looked up
      * for the locale set in the {@link DateTimeFormatter}.
-     * If the temporal object being printed represents an instant, then the text
+     * If the temporal object being printed represents an instant, or if it is a
-     * will be the summer or winter time text as appropriate.
+     * local date-time that is not in a daylight saving gap or overlap then
+     * the text will be the summer or winter time text as appropriate.
      * If the lookup for text does not find any suitable result, then the
-     * {@link ZoneId#getId() ID} will be printed instead.
+     * {@link ZoneId#getId() ID} will be printed.
      * If the zone cannot be obtained then an exception is thrown unless the
      * section of the formatter is optional.
      * <p>
@@ -1177,7 +1180,7 @@ public final class DateTimeFormatterBuilder {
      * @return this, for chaining, not null
      */
     public DateTimeFormatterBuilder appendZoneText(TextStyle textStyle) {
-        appendInternal(new ZoneTextPrinterParser(textStyle, null));
+        appendInternal(new ZoneTextPrinterParser(textStyle, null, false));
         return this;
     }
 
@@ -1193,10 +1196,11 @@ public final class DateTimeFormatterBuilder {
      * result of {@link ZoneOffset#getId()}.
      * If the zone is not an offset, the textual name will be looked up
      * for the locale set in the {@link DateTimeFormatter}.
-     * If the temporal object being printed represents an instant, then the text
+     * If the temporal object being printed represents an instant, or if it is a
+     * local date-time that is not in a daylight saving gap or overlap, then the text
      * will be the summer or winter time text as appropriate.
      * If the lookup for text does not find any suitable result, then the
-     * {@link ZoneId#getId() ID} will be printed instead.
+     * {@link ZoneId#getId() ID} will be printed.
      * If the zone cannot be obtained then an exception is thrown unless the
      * section of the formatter is optional.
      * <p>
@@ -1220,7 +1224,70 @@ public final class DateTimeFormatterBuilder {
     public DateTimeFormatterBuilder appendZoneText(TextStyle textStyle,
                                                    Set<ZoneId> preferredZones) {
         Objects.requireNonNull(preferredZones, "preferredZones");
-        appendInternal(new ZoneTextPrinterParser(textStyle, preferredZones));
+        appendInternal(new ZoneTextPrinterParser(textStyle, preferredZones, false));
+        return this;
+    }
+    //----------------------------------------------------------------------
+    /**
+     * Appends the generic time-zone name, such as 'Pacific Time', to the formatter.
+     * <p>
+     * This appends an instruction to format/parse the generic textual
+     * name of the zone to the builder. The generic name is the same throughout the whole
+     * year, ignoring any daylight saving changes. For example, 'Pacific Time' is the
+     * generic name, whereas 'Pacific Standard Time' and 'Pacific Daylight Time' are the
+     * specific names, see {@link #appendZoneText(TextStyle)}.
+     * <p>
+     * During formatting, the zone is obtained using a mechanism equivalent
+     * to querying the temporal with {@link TemporalQueries#zoneId()}.
+     * If the zone is a {@code ZoneOffset} it will be printed using the
+     * result of {@link ZoneOffset#getId()}.
+     * If the zone is not an offset, the textual name will be looked up
+     * for the locale set in the {@link DateTimeFormatter}.
+     * If the lookup for text does not find any suitable result, then the
+     * {@link ZoneId#getId() ID} will be printed.
+     * If the zone cannot be obtained then an exception is thrown unless the
+     * section of the formatter is optional.
+     * <p>
+     * During parsing, either the textual zone name, the zone ID or the offset
+     * is accepted. Many textual zone names are not unique, such as CST can be
+     * for both "Central Standard Time" and "China Standard Time". In this
+     * situation, the zone id will be determined by the region information from
+     * formatter's  {@link DateTimeFormatter#getLocale() locale} and the standard
+     * zone id for that area, for example, America/New_York for the America Eastern zone.
+     * The {@link #appendGenericZoneText(TextStyle, Set)} may be used
+     * to specify a set of preferred {@link ZoneId} in this situation.
+     *
+     * @param textStyle  the text style to use, not null
+     * @return this, for chaining, not null
+     */
+    public DateTimeFormatterBuilder appendGenericZoneText(TextStyle textStyle) {
+        appendInternal(new ZoneTextPrinterParser(textStyle, null, true));
+        return this;
+    }
+
+    /**
+     * Appends the generic time-zone name, such as 'Pacific Time', to the formatter.
+     * <p>
+     * This appends an instruction to format/parse the generic textual
+     * name of the zone to the builder. The generic name is the same throughout the whole
+     * year, ignoring any daylight saving changes. For example, 'Pacific Time' is the
+     * generic name, whereas 'Pacific Standard Time' and 'Pacific Daylight Time' are the
+     * specific names, see {@link #appendZoneText(TextStyle)}.
+     * <p>
+     * This method also allows a set of preferred {@link ZoneId} to be
+     * specified for parsing. The matched preferred zone id will be used if the
+     * textural zone name being parsed is not unique.
+     * <p>
+     * See {@link #appendGenericZoneText(TextStyle)} for details about
+     * formatting and parsing.
+     *
+     * @param textStyle  the text style to use, not null
+     * @param preferredZones  the set of preferred zone ids, not null
+     * @return this, for chaining, not null
+     */
+    public DateTimeFormatterBuilder appendGenericZoneText(TextStyle textStyle,
+                                                          Set<ZoneId> preferredZones) {
+        appendInternal(new ZoneTextPrinterParser(textStyle, preferredZones, true));
         return this;
     }
 
@@ -1416,6 +1483,7 @@ public final class DateTimeFormatterBuilder {
      *   N       nano-of-day                 number            1234000000
      *
      *   V       time-zone ID                zone-id           America/Los_Angeles; Z; -08:30
+     *   v       generic time-zone name      zone-name         PT, Pacific Time
      *   z       time-zone name              zone-name         Pacific Standard Time; PST
      *   O       localized zone-offset       offset-O          GMT+8; GMT+08:00; UTC-08:00;
      *   X       zone-offset 'Z' for zero    offset-X          Z; -08; -0830; -08:30; -083015; -08:30:15
@@ -1537,6 +1605,8 @@ public final class DateTimeFormatterBuilder {
      *  Pattern  Count  Equivalent builder methods
      *  -------  -----  --------------------------
      *    VV      2      appendZoneId()
+     *    v       1      appendGenericZoneText(TextStyle.SHORT)
+     *    vvvv    4      appendGenericZoneText(TextStyle.FULL)
      *    z       1      appendZoneText(TextStyle.SHORT)
      *    zz      2      appendZoneText(TextStyle.SHORT)
      *    zzz     3      appendZoneText(TextStyle.SHORT)
@@ -1643,6 +1713,14 @@ public final class DateTimeFormatterBuilder {
                         throw new IllegalArgumentException("Pattern letter count must be 2: " + cur);
                     }
                     appendZoneId();
+                } else if (cur == 'v') {
+                    if (count == 1) {
+                        appendGenericZoneText(TextStyle.SHORT);
+                    } else if (count == 4) {
+                        appendGenericZoneText(TextStyle.FULL);
+                    } else {
+                        throw new IllegalArgumentException("Wrong number of  pattern letters: " + cur);
+                    }
                 } else if (cur == 'Z') {
                     if (count < 4) {
                         appendOffset("+HHMM", "+0000");
@@ -1894,6 +1972,8 @@ public final class DateTimeFormatterBuilder {
         // 310 - z - time-zone names, matches LDML and SimpleDateFormat 1 to 4
         // 310 - Z - matches SimpleDateFormat and LDML
         // 310 - V - time-zone id, matches LDML
+        // 310 - v - general timezone names, not matching exactly with LDML because LDML specify to fall back
+        //           to 'VVVV' if general-nonlocation unavailable but here it's not falling back because of lack of data
         // 310 - p - prefix for padding
         // 310 - X - matches LDML, almost matches SDF for 1, exact match 2&3, extended 4&5
         // 310 - x - matches LDML
@@ -1901,7 +1981,6 @@ public final class DateTimeFormatterBuilder {
         // LDML - U - cycle year name, not supported by 310 yet
         // LDML - l - deprecated
         // LDML - j - not relevant
-        // LDML - v,V - extended time-zone names
     }
 
     //-----------------------------------------------------------------------
@@ -3723,9 +3802,12 @@ public final class DateTimeFormatterBuilder {
         /** The preferred zoneid map */
         private Set<String> preferredZones;
 
-        ZoneTextPrinterParser(TextStyle textStyle, Set<ZoneId> preferredZones) {
+        /**  Display in generic time-zone format. True in case of pattern letter 'v' */
+        private final boolean isGeneric;
+        ZoneTextPrinterParser(TextStyle textStyle, Set<ZoneId> preferredZones, boolean isGeneric) {
             super(TemporalQueries.zone(), "ZoneText(" + textStyle + ")");
             this.textStyle = Objects.requireNonNull(textStyle, "textStyle");
+            this.isGeneric = isGeneric;
             if (preferredZones != null && preferredZones.size() != 0) {
                 this.preferredZones = new HashSet<>();
                 for (ZoneId id : preferredZones) {
@@ -3788,11 +3870,21 @@ public final class DateTimeFormatterBuilder {
             String zname = zone.getId();
             if (!(zone instanceof ZoneOffset)) {
                 TemporalAccessor dt = context.getTemporal();
-                String name = getDisplayName(zname,
+                int type = GENERIC;
-                                             dt.isSupported(ChronoField.INSTANT_SECONDS)
+                if (!isGeneric) {
-                                             ? (zone.getRules().isDaylightSavings(Instant.from(dt)) ? DST : STD)
+                    if (dt.isSupported(ChronoField.INSTANT_SECONDS)) {
-                                             : GENERIC,
+                        type = zone.getRules().isDaylightSavings(Instant.from(dt)) ? DST : STD;
-                                             context.getLocale());
+                    } else if (dt.isSupported(ChronoField.EPOCH_DAY) &&
+                               dt.isSupported(ChronoField.NANO_OF_DAY)) {
+                        LocalDate date = LocalDate.ofEpochDay(dt.getLong(ChronoField.EPOCH_DAY));
+                        LocalTime time = LocalTime.ofNanoOfDay(dt.getLong(ChronoField.NANO_OF_DAY));
+                        LocalDateTime ldt = date.atTime(time);
+                        if (zone.getRules().getTransition(ldt) == null) {
+                            type = zone.getRules().isDaylightSavings(ldt.atZone(zone).toInstant()) ? DST : STD;
+                        }
+                    }
+                }
+                String name = getDisplayName(zname, type, context.getLocale());
                 if (name != null) {
                     zname = name;
                 }

jdk/src/java.base/share/classes/java/time/temporal/IsoFields.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -402,6 +402,12 @@ public final class IsoFields {
                 long moy = temporal.getLong(MONTH_OF_YEAR);
                 return ((moy + 2) / 3);
             }
+            public ValueRange rangeRefinedBy(TemporalAccessor temporal) {
+                if (isSupportedBy(temporal) == false) {
+                    throw new UnsupportedTemporalTypeException("Unsupported field: QuarterOfYear");
+                }
+                return super.rangeRefinedBy(temporal);
+            }
             @SuppressWarnings("unchecked")
             @Override
             public <R extends Temporal> R adjustInto(R temporal, long newValue) {
@@ -529,6 +535,12 @@ public final class IsoFields {
                 }
                 return getWeekBasedYear(LocalDate.from(temporal));
             }
+            public ValueRange rangeRefinedBy(TemporalAccessor temporal) {
+                if (isSupportedBy(temporal) == false) {
+                    throw new UnsupportedTemporalTypeException("Unsupported field: WeekBasedYear");
+                }
+                return super.rangeRefinedBy(temporal);
+            }
             @SuppressWarnings("unchecked")
             @Override
             public <R extends Temporal> R adjustInto(R temporal, long newValue) {

jdk/src/java.base/share/classes/java/time/zone/ZoneRules.java

@@ -614,7 +614,7 @@ public final class ZoneRules implements Serializable {
      * One technique, using this method, would be:
      * <pre>
      *  ZoneOffsetTransition trans = rules.getTransition(localDT);
-     *  if (trans == null) {
+     *  if (trans != null) {
      *    // Gap or Overlap: determine what to do from transition
      *  } else {
      *    // Normal case: only one valid offset

jdk/src/java.base/share/classes/java/util/Comparator.java

@@ -267,7 +267,7 @@ public interface Comparator<T> {
 
     /**
      * Returns a lexicographic-order comparator with a function that
-     * extracts a {@code int} sort key.
+     * extracts an {@code int} sort key.
      *
      * @implSpec This default implementation behaves as if {@code
      *           thenComparing(comparingInt(keyExtractor))}.

jdk/src/java.base/share/classes/java/util/DualPivotQuicksort.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -146,12 +146,26 @@ final class DualPivotQuicksort {
             }
         }
 
-        // Check special cases
+        // These invariants should hold true:
-        // Implementation note: variable "right" is increased by 1.
+        //    run[0] = 0
-        if (run[count] == right++) { // The last run contains one element
+        //    run[<last>] = right + 1; (terminator)
-            run[++count] = right;
+
-        } else if (count <= 1) { // The array is already sorted
+        if (count == 0) {
+            // A single equal run
             return;
+        } else if (count == 1 && run[count] > right) {
+            // Either a single ascending or a transformed descending run.
+            // Always check that a final run is a proper terminator, otherwise
+            // we have an unterminated trailing run, to handle downstream.
+            return;
+        }
+        right++;
+        if (run[count] < right) {
+            // Corner case: the final run is not a terminator. This may happen
+            // if a final run is an equals run, or there is a single-element run
+            // at the end. Fix up by adding a proper terminator at the end.
+            // Note that we terminate with (right + 1), incremented earlier.
+            run[++count] = right;
         }
 
         // Determine alternation base for merge
@@ -598,12 +612,26 @@ final class DualPivotQuicksort {
             }
         }
 
-        // Check special cases
+        // These invariants should hold true:
-        // Implementation note: variable "right" is increased by 1.
+        //    run[0] = 0
-        if (run[count] == right++) { // The last run contains one element
+        //    run[<last>] = right + 1; (terminator)
-            run[++count] = right;
+
-        } else if (count <= 1) { // The array is already sorted
+        if (count == 0) {
+            // A single equal run
             return;
+        } else if (count == 1 && run[count] > right) {
+            // Either a single ascending or a transformed descending run.
+            // Always check that a final run is a proper terminator, otherwise
+            // we have an unterminated trailing run, to handle downstream.
+            return;
+        }
+        right++;
+        if (run[count] < right) {
+            // Corner case: the final run is not a terminator. This may happen
+            // if a final run is an equals run, or there is a single-element run
+            // at the end. Fix up by adding a proper terminator at the end.
+            // Note that we terminate with (right + 1), incremented earlier.
+            run[++count] = right;
         }
 
         // Determine alternation base for merge
@@ -1086,12 +1114,26 @@ final class DualPivotQuicksort {
             }
         }
 
-        // Check special cases
+        // These invariants should hold true:
-        // Implementation note: variable "right" is increased by 1.
+        //    run[0] = 0
-        if (run[count] == right++) { // The last run contains one element
+        //    run[<last>] = right + 1; (terminator)
-            run[++count] = right;
+
-        } else if (count <= 1) { // The array is already sorted
+        if (count == 0) {
+            // A single equal run
             return;
+        } else if (count == 1 && run[count] > right) {
+            // Either a single ascending or a transformed descending run.
+            // Always check that a final run is a proper terminator, otherwise
+            // we have an unterminated trailing run, to handle downstream.
+            return;
+        }
+        right++;
+        if (run[count] < right) {
+            // Corner case: the final run is not a terminator. This may happen
+            // if a final run is an equals run, or there is a single-element run
+            // at the end. Fix up by adding a proper terminator at the end.
+            // Note that we terminate with (right + 1), incremented earlier.
+            run[++count] = right;
         }
 
         // Determine alternation base for merge
@@ -1574,12 +1616,26 @@ final class DualPivotQuicksort {
             }
         }
 
-        // Check special cases
+        // These invariants should hold true:
-        // Implementation note: variable "right" is increased by 1.
+        //    run[0] = 0
-        if (run[count] == right++) { // The last run contains one element
+        //    run[<last>] = right + 1; (terminator)
-            run[++count] = right;
+
-        } else if (count <= 1) { // The array is already sorted
+        if (count == 0) {
+            // A single equal run
             return;
+        } else if (count == 1 && run[count] > right) {
+            // Either a single ascending or a transformed descending run.
+            // Always check that a final run is a proper terminator, otherwise
+            // we have an unterminated trailing run, to handle downstream.
+            return;
+        }
+        right++;
+        if (run[count] < right) {
+            // Corner case: the final run is not a terminator. This may happen
+            // if a final run is an equals run, or there is a single-element run
+            // at the end. Fix up by adding a proper terminator at the end.
+            // Note that we terminate with (right + 1), incremented earlier.
+            run[++count] = right;
         }
 
         // Determine alternation base for merge
@@ -2158,12 +2214,26 @@ final class DualPivotQuicksort {
             }
         }
 
-        // Check special cases
+        // These invariants should hold true:
-        // Implementation note: variable "right" is increased by 1.
+        //    run[0] = 0
-        if (run[count] == right++) { // The last run contains one element
+        //    run[<last>] = right + 1; (terminator)
-            run[++count] = right;
+
-        } else if (count <= 1) { // The array is already sorted
+        if (count == 0) {
+            // A single equal run
             return;
+        } else if (count == 1 && run[count] > right) {
+            // Either a single ascending or a transformed descending run.
+            // Always check that a final run is a proper terminator, otherwise
+            // we have an unterminated trailing run, to handle downstream.
+            return;
+        }
+        right++;
+        if (run[count] < right) {
+            // Corner case: the final run is not a terminator. This may happen
+            // if a final run is an equals run, or there is a single-element run
+            // at the end. Fix up by adding a proper terminator at the end.
+            // Note that we terminate with (right + 1), incremented earlier.
+            run[++count] = right;
         }
 
         // Determine alternation base for merge
@@ -2701,12 +2771,26 @@ final class DualPivotQuicksort {
             }
         }
 
-        // Check special cases
+        // These invariants should hold true:
-        // Implementation note: variable "right" is increased by 1.
+        //    run[0] = 0
-        if (run[count] == right++) { // The last run contains one element
+        //    run[<last>] = right + 1; (terminator)
-            run[++count] = right;
+
-        } else if (count <= 1) { // The array is already sorted
+        if (count == 0) {
+            // A single equal run
             return;
+        } else if (count == 1 && run[count] > right) {
+            // Either a single ascending or a transformed descending run.
+            // Always check that a final run is a proper terminator, otherwise
+            // we have an unterminated trailing run, to handle downstream.
+            return;
+        }
+        right++;
+        if (run[count] < right) {
+            // Corner case: the final run is not a terminator. This may happen
+            // if a final run is an equals run, or there is a single-element run
+            // at the end. Fix up by adding a proper terminator at the end.
+            // Note that we terminate with (right + 1), incremented earlier.
+            run[++count] = right;
         }
 
         // Determine alternation base for merge

jdk/src/java.base/share/classes/java/util/regex/CharPredicates.java

@@ -0,0 +1,375 @@
+/*
+ * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.util.regex;
+
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.regex.Pattern.CharPredicate;
+import java.util.regex.Pattern.BmpCharPredicate;
+
+class CharPredicates {
+
+    static final CharPredicate ALPHABETIC  = Character::isAlphabetic;
+
+    // \p{gc=Decimal_Number}
+    static final CharPredicate DIGIT       = Character::isDigit;
+
+    static final CharPredicate LETTER      = Character::isLetter;
+
+    static final CharPredicate IDEOGRAPHIC = Character::isIdeographic;
+
+    static final CharPredicate LOWERCASE   = Character::isLowerCase;
+
+    static final CharPredicate UPPERCASE   = Character::isUpperCase;
+
+    static final CharPredicate TITLECASE   = Character::isTitleCase;
+
+    // \p{Whitespace}
+    static final CharPredicate WHITE_SPACE = ch ->
+        ((((1 << Character.SPACE_SEPARATOR) |
+           (1 << Character.LINE_SEPARATOR) |
+           (1 << Character.PARAGRAPH_SEPARATOR)) >> Character.getType(ch)) & 1)
+        != 0 || (ch >= 0x9 && ch <= 0xd) || (ch == 0x85);
+
+    // \p{gc=Control}
+    static final CharPredicate CONTROL     = ch ->
+        Character.getType(ch) == Character.CONTROL;
+
+    // \p{gc=Punctuation}
+    static final CharPredicate PUNCTUATION = ch ->
+        ((((1 << Character.CONNECTOR_PUNCTUATION) |
+           (1 << Character.DASH_PUNCTUATION) |
+           (1 << Character.START_PUNCTUATION) |
+           (1 << Character.END_PUNCTUATION) |
+           (1 << Character.OTHER_PUNCTUATION) |
+           (1 << Character.INITIAL_QUOTE_PUNCTUATION) |
+           (1 << Character.FINAL_QUOTE_PUNCTUATION)) >> Character.getType(ch)) & 1)
+        != 0;
+
+    // \p{gc=Decimal_Number}
+    // \p{Hex_Digit}    -> PropList.txt: Hex_Digit
+    static final CharPredicate HEX_DIGIT = DIGIT.union(
+        ch -> (ch >= 0x0030 && ch <= 0x0039) ||
+              (ch >= 0x0041 && ch <= 0x0046) ||
+              (ch >= 0x0061 && ch <= 0x0066) ||
+              (ch >= 0xFF10 && ch <= 0xFF19) ||
+              (ch >= 0xFF21 && ch <= 0xFF26) ||
+              (ch >= 0xFF41 && ch <= 0xFF46));
+
+    static final CharPredicate ASSIGNED = ch ->
+        Character.getType(ch) != Character.UNASSIGNED;
+
+    // PropList.txt:Noncharacter_Code_Point
+    static final CharPredicate NONCHARACTER_CODE_POINT = ch ->
+        (ch & 0xfffe) == 0xfffe || (ch >= 0xfdd0 && ch <= 0xfdef);
+
+    // \p{alpha}
+    // \p{digit}
+    static final CharPredicate ALNUM = ALPHABETIC.union(DIGIT);
+
+    // \p{Whitespace} --
+    // [\N{LF} \N{VT} \N{FF} \N{CR} \N{NEL}  -> 0xa, 0xb, 0xc, 0xd, 0x85
+    //  \p{gc=Line_Separator}
+    //  \p{gc=Paragraph_Separator}]
+    static final CharPredicate BLANK = ch ->
+        Character.getType(ch) == Character.SPACE_SEPARATOR ||
+        ch == 0x9; // \N{HT}
+
+    // [^
+    //  \p{space}
+    //  \p{gc=Control}
+    //  \p{gc=Surrogate}
+    //  \p{gc=Unassigned}]
+    static final CharPredicate GRAPH = ch ->
+        ((((1 << Character.SPACE_SEPARATOR) |
+           (1 << Character.LINE_SEPARATOR) |
+           (1 << Character.PARAGRAPH_SEPARATOR) |
+           (1 << Character.CONTROL) |
+           (1 << Character.SURROGATE) |
+           (1 << Character.UNASSIGNED)) >> Character.getType(ch)) & 1)
+        == 0;
+
+    // \p{graph}
+    // \p{blank}
+    // -- \p{cntrl}
+    static final CharPredicate PRINT = GRAPH.union(BLANK).and(CONTROL.negate());
+
+    //  200C..200D    PropList.txt:Join_Control
+    static final CharPredicate JOIN_CONTROL = ch -> ch == 0x200C || ch == 0x200D;
+
+    //  \p{alpha}
+    //  \p{gc=Mark}
+    //  \p{digit}
+    //  \p{gc=Connector_Punctuation}
+    //  \p{Join_Control}    200C..200D
+    static final CharPredicate WORD =
+        ALPHABETIC.union(ch -> ((((1 << Character.NON_SPACING_MARK) |
+                                  (1 << Character.ENCLOSING_MARK) |
+                                  (1 << Character.COMBINING_SPACING_MARK) |
+                                  (1 << Character.DECIMAL_DIGIT_NUMBER) |
+                                  (1 << Character.CONNECTOR_PUNCTUATION))
+                                 >> Character.getType(ch)) & 1) != 0,
+                         JOIN_CONTROL);
+
+    /////////////////////////////////////////////////////////////////////////////
+
+    private static final HashMap<String, CharPredicate> posix = new HashMap<>(12);
+    private static final HashMap<String, CharPredicate> uprops = new HashMap<>(18);
+
+    private static void defPosix(String name, CharPredicate p) {
+        posix.put(name, p);
+    }
+    private static void defUProp(String name, CharPredicate p) {
+        uprops.put(name, p);
+    }
+
+    static {
+        defPosix("ALPHA", ALPHABETIC);
+        defPosix("LOWER", LOWERCASE);
+        defPosix("UPPER", UPPERCASE);
+        defPosix("SPACE", WHITE_SPACE);
+        defPosix("PUNCT", PUNCTUATION);
+        defPosix("XDIGIT",HEX_DIGIT);
+        defPosix("ALNUM", ALNUM);
+        defPosix("CNTRL", CONTROL);
+        defPosix("DIGIT", DIGIT);
+        defPosix("BLANK", BLANK);
+        defPosix("GRAPH", GRAPH);
+        defPosix("PRINT", PRINT);
+
+        defUProp("ALPHABETIC", ALPHABETIC);
+        defUProp("ASSIGNED", ASSIGNED);
+        defUProp("CONTROL", CONTROL);
+        defUProp("HEXDIGIT", HEX_DIGIT);
+        defUProp("IDEOGRAPHIC", IDEOGRAPHIC);
+        defUProp("JOINCONTROL", JOIN_CONTROL);
+        defUProp("LETTER", LETTER);
+        defUProp("LOWERCASE", LOWERCASE);
+        defUProp("NONCHARACTERCODEPOINT", NONCHARACTER_CODE_POINT);
+        defUProp("TITLECASE", TITLECASE);
+        defUProp("PUNCTUATION", PUNCTUATION);
+        defUProp("UPPERCASE", UPPERCASE);
+        defUProp("WHITESPACE", WHITE_SPACE);
+        defUProp("WORD", WORD);
+        defUProp("WHITE_SPACE", WHITE_SPACE);
+        defUProp("HEX_DIGIT", HEX_DIGIT);
+        defUProp("NONCHARACTER_CODE_POINT", NONCHARACTER_CODE_POINT);
+        defUProp("JOIN_CONTROL", JOIN_CONTROL);
+    }
+
+    public static CharPredicate forUnicodeProperty(String propName) {
+        propName = propName.toUpperCase(Locale.ROOT);
+        CharPredicate p = uprops.get(propName);
+        if (p != null)
+            return p;
+        return posix.get(propName);
+    }
+
+    public static CharPredicate forPOSIXName(String propName) {
+        return posix.get(propName.toUpperCase(Locale.ENGLISH));
+    }
+
+    /////////////////////////////////////////////////////////////////////////////
+
+    /**
+     * Returns a predicate matching all characters belong to a named
+     * UnicodeScript.
+     */
+    static CharPredicate forUnicodeScript(String name) {
+        final Character.UnicodeScript script;
+        try {
+            script = Character.UnicodeScript.forName(name);
+            return ch -> script == Character.UnicodeScript.of(ch);
+        } catch (IllegalArgumentException iae) {}
+        return null;
+    }
+
+    /**
+     * Returns a predicate matching all characters in a UnicodeBlock.
+     */
+    static CharPredicate forUnicodeBlock(String name) {
+        final Character.UnicodeBlock block;
+        try {
+            block = Character.UnicodeBlock.forName(name);
+            return ch -> block == Character.UnicodeBlock.of(ch);
+        } catch (IllegalArgumentException iae) {}
+         return null;
+    }
+
+    /////////////////////////////////////////////////////////////////////////////
+
+    // unicode categories, aliases, properties, java methods ...
+
+    private static final HashMap<String, CharPredicate> props = new HashMap<>(128);
+
+    /**
+     * Returns a predicate matching all characters in a named property.
+     */
+    static CharPredicate forProperty(String name) {
+        return props.get(name);
+    }
+
+    private static void defProp(String name, CharPredicate p) {
+        props.put(name, p);
+    }
+
+    private static void defCategory(String name, final int typeMask) {
+        CharPredicate p = ch -> (typeMask & (1 << Character.getType(ch))) != 0;
+        props.put(name, p);
+    }
+
+    private static void defRange(String name, final int lower, final int upper) {
+        BmpCharPredicate p = ch -> lower <= ch && ch <= upper;
+        props.put(name, p);
+    }
+
+    private static void defCtype(String name, final int ctype) {
+        BmpCharPredicate p = ch -> ch < 128 && ASCII.isType(ch, ctype);
+        // PrintPattern.pmap.put(p, name);
+        props.put(name, p);
+    }
+
+    static {
+        // Unicode character property aliases, defined in
+        // http://www.unicode.org/Public/UNIDATA/PropertyValueAliases.txt
+        defCategory("Cn", 1<<Character.UNASSIGNED);
+        defCategory("Lu", 1<<Character.UPPERCASE_LETTER);
+        defCategory("Ll", 1<<Character.LOWERCASE_LETTER);
+        defCategory("Lt", 1<<Character.TITLECASE_LETTER);
+        defCategory("Lm", 1<<Character.MODIFIER_LETTER);
+        defCategory("Lo", 1<<Character.OTHER_LETTER);
+        defCategory("Mn", 1<<Character.NON_SPACING_MARK);
+        defCategory("Me", 1<<Character.ENCLOSING_MARK);
+        defCategory("Mc", 1<<Character.COMBINING_SPACING_MARK);
+        defCategory("Nd", 1<<Character.DECIMAL_DIGIT_NUMBER);
+        defCategory("Nl", 1<<Character.LETTER_NUMBER);
+        defCategory("No", 1<<Character.OTHER_NUMBER);
+        defCategory("Zs", 1<<Character.SPACE_SEPARATOR);
+        defCategory("Zl", 1<<Character.LINE_SEPARATOR);
+        defCategory("Zp", 1<<Character.PARAGRAPH_SEPARATOR);
+        defCategory("Cc", 1<<Character.CONTROL);
+        defCategory("Cf", 1<<Character.FORMAT);
+        defCategory("Co", 1<<Character.PRIVATE_USE);
+        defCategory("Cs", 1<<Character.SURROGATE);
+        defCategory("Pd", 1<<Character.DASH_PUNCTUATION);
+        defCategory("Ps", 1<<Character.START_PUNCTUATION);
+        defCategory("Pe", 1<<Character.END_PUNCTUATION);
+        defCategory("Pc", 1<<Character.CONNECTOR_PUNCTUATION);
+        defCategory("Po", 1<<Character.OTHER_PUNCTUATION);
+        defCategory("Sm", 1<<Character.MATH_SYMBOL);
+        defCategory("Sc", 1<<Character.CURRENCY_SYMBOL);
+        defCategory("Sk", 1<<Character.MODIFIER_SYMBOL);
+        defCategory("So", 1<<Character.OTHER_SYMBOL);
+        defCategory("Pi", 1<<Character.INITIAL_QUOTE_PUNCTUATION);
+        defCategory("Pf", 1<<Character.FINAL_QUOTE_PUNCTUATION);
+        defCategory("L", ((1<<Character.UPPERCASE_LETTER) |
+                          (1<<Character.LOWERCASE_LETTER) |
+                          (1<<Character.TITLECASE_LETTER) |
+                          (1<<Character.MODIFIER_LETTER)  |
+                          (1<<Character.OTHER_LETTER)));
+        defCategory("M", ((1<<Character.NON_SPACING_MARK) |
+                          (1<<Character.ENCLOSING_MARK)   |
+                          (1<<Character.COMBINING_SPACING_MARK)));
+        defCategory("N", ((1<<Character.DECIMAL_DIGIT_NUMBER) |
+                          (1<<Character.LETTER_NUMBER)        |
+                          (1<<Character.OTHER_NUMBER)));
+        defCategory("Z", ((1<<Character.SPACE_SEPARATOR) |
+                          (1<<Character.LINE_SEPARATOR)  |
+                          (1<<Character.PARAGRAPH_SEPARATOR)));
+        defCategory("C", ((1<<Character.CONTROL)     |
+                          (1<<Character.FORMAT)      |
+                          (1<<Character.PRIVATE_USE) |
+                          (1<<Character.SURROGATE))); // Other
+        defCategory("P", ((1<<Character.DASH_PUNCTUATION)      |
+                          (1<<Character.START_PUNCTUATION)     |
+                          (1<<Character.END_PUNCTUATION)       |
+                          (1<<Character.CONNECTOR_PUNCTUATION) |
+                          (1<<Character.OTHER_PUNCTUATION)     |
+                          (1<<Character.INITIAL_QUOTE_PUNCTUATION) |
+                          (1<<Character.FINAL_QUOTE_PUNCTUATION)));
+        defCategory("S", ((1<<Character.MATH_SYMBOL)     |
+                          (1<<Character.CURRENCY_SYMBOL) |
+                          (1<<Character.MODIFIER_SYMBOL) |
+                          (1<<Character.OTHER_SYMBOL)));
+        defCategory("LC", ((1<<Character.UPPERCASE_LETTER) |
+                           (1<<Character.LOWERCASE_LETTER) |
+                           (1<<Character.TITLECASE_LETTER)));
+        defCategory("LD", ((1<<Character.UPPERCASE_LETTER) |
+                           (1<<Character.LOWERCASE_LETTER) |
+                           (1<<Character.TITLECASE_LETTER) |
+                           (1<<Character.MODIFIER_LETTER)  |
+                           (1<<Character.OTHER_LETTER)     |
+                           (1<<Character.DECIMAL_DIGIT_NUMBER)));
+        defRange("L1", 0x00, 0xFF); // Latin-1
+        props.put("all", ch -> true);
+
+        // Posix regular expression character classes, defined in
+        // http://www.unix.org/onlinepubs/009695399/basedefs/xbd_chap09.html
+        defRange("ASCII", 0x00, 0x7F);   // ASCII
+        defCtype("Alnum", ASCII.ALNUM);  // Alphanumeric characters
+        defCtype("Alpha", ASCII.ALPHA);  // Alphabetic characters
+        defCtype("Blank", ASCII.BLANK);  // Space and tab characters
+        defCtype("Cntrl", ASCII.CNTRL);  // Control characters
+        defRange("Digit", '0', '9');     // Numeric characters
+        defCtype("Graph", ASCII.GRAPH);  // printable and visible
+        defRange("Lower", 'a', 'z');     // Lower-case alphabetic
+        defRange("Print", 0x20, 0x7E);   // Printable characters
+        defCtype("Punct", ASCII.PUNCT);  // Punctuation characters
+        defCtype("Space", ASCII.SPACE);  // Space characters
+        defRange("Upper", 'A', 'Z');     // Upper-case alphabetic
+        defCtype("XDigit",ASCII.XDIGIT); // hexadecimal digits
+
+        // Java character properties, defined by methods in Character.java
+        defProp("javaLowerCase", java.lang.Character::isLowerCase);
+        defProp("javaUpperCase",  Character::isUpperCase);
+        defProp("javaAlphabetic", java.lang.Character::isAlphabetic);
+        defProp("javaIdeographic", java.lang.Character::isIdeographic);
+        defProp("javaTitleCase", java.lang.Character::isTitleCase);
+        defProp("javaDigit", java.lang.Character::isDigit);
+        defProp("javaDefined", java.lang.Character::isDefined);
+        defProp("javaLetter", java.lang.Character::isLetter);
+        defProp("javaLetterOrDigit", java.lang.Character::isLetterOrDigit);
+        defProp("javaJavaIdentifierStart", java.lang.Character::isJavaIdentifierStart);
+        defProp("javaJavaIdentifierPart", java.lang.Character::isJavaIdentifierPart);
+        defProp("javaUnicodeIdentifierStart", java.lang.Character::isUnicodeIdentifierStart);
+        defProp("javaUnicodeIdentifierPart", java.lang.Character::isUnicodeIdentifierPart);
+        defProp("javaIdentifierIgnorable", java.lang.Character::isIdentifierIgnorable);
+        defProp("javaSpaceChar", java.lang.Character::isSpaceChar);
+        defProp("javaWhitespace", java.lang.Character::isWhitespace);
+        defProp("javaISOControl", java.lang.Character::isISOControl);
+        defProp("javaMirrored", java.lang.Character::isMirrored);
+    }
+
+    /////////////////////////////////////////////////////////////////////////////
+
+    /**
+     * Posix ASCII variants, not in the lookup map
+     */
+    static final BmpCharPredicate ASCII_DIGIT = ch -> ch < 128 && ASCII.isDigit(ch);
+    static final BmpCharPredicate ASCII_WORD  = ch -> ch < 128 && ASCII.isWord(ch);
+    static final BmpCharPredicate ASCII_SPACE = ch -> ch < 128 && ASCII.isSpace(ch);
+
+}

jdk/src/java.base/share/classes/java/util/regex/IntHashSet.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.util.regex;
+
+import java.util.Arrays;
+
+/**
+ * A lightweight hashset implementation for positive 'int'. Not safe for
+ * concurrent access.
+ */
+class IntHashSet {
+    private int[] entries;
+    private int[] hashes;
+    private int pos = 0;
+
+    public IntHashSet() {
+        this.entries = new int[16 << 1];      // initCapacity = 16;
+        this.hashes = new int[(16 / 2) | 1];  // odd -> fewer collisions
+        Arrays.fill(this.entries, -1);
+        Arrays.fill(this.hashes, -1);
+    }
+
+    public boolean contains(int i) {
+        int h = hashes[i % hashes.length];
+        while (h != -1) {
+            if (entries[h] == i)
+                return true;
+            h = entries[h + 1];
+        }
+        return false;
+    }
+
+    public void add(int i) {
+        int h0 = i % hashes.length;
+        int next = hashes[h0];
+        //  if invoker guarantees contains(i) checked before add(i)
+        //  the following check is not needed.
+        int next0 = next;
+        while (next0 != -1) {
+            if (entries[next0 ] == i)
+                return;
+            next0 = entries[next0 + 1];
+        }
+        hashes[h0] = pos;
+        entries[pos++] = i;
+        entries[pos++] = next;
+        if (pos == entries.length)
+            expand();
+    }
+
+    public void clear() {
+        Arrays.fill(this.entries, -1);
+        Arrays.fill(this.hashes, -1);
+        pos = 0;
+    }
+
+    private void expand() {
+        int[] old = entries;
+        int[] es = new int[old.length << 1];
+        int hlen = (old.length / 2) | 1;
+        int[] hs = new int[hlen];
+        Arrays.fill(es, -1);
+        Arrays.fill(hs, -1);
+        for (int n = 0; n < pos;) {  // re-hashing
+            int i = old[n];
+            int hsh = i % hlen;
+            int next = hs[hsh];
+            hs[hsh] = n;
+            es[n++] = i;
+            es[n++] = next;
+        }
+        this.entries = es;
+        this.hashes = hs;
+    }
+}

jdk/src/java.base/share/classes/java/util/regex/Matcher.java

@@ -177,6 +177,14 @@ public final class Matcher implements MatchResult {
      */
     int[] locals;
 
+    /**
+     * Storage used by top greedy Loop node to store a specific hash set to
+     * keep the beginning index of the failed repetition match. The nodes
+     * themselves are stateless, so they rely on this field to hold state
+     * during a match.
+     */
+    IntHashSet[] localsPos;
+
     /**
      * Boolean indicating whether or not more input could change
      * the results of the last match.
@@ -239,6 +247,7 @@ public final class Matcher implements MatchResult {
         int parentGroupCount = Math.max(parent.capturingGroupCount, 10);
         groups = new int[parentGroupCount * 2];
         locals = new int[parent.localCount];
+        localsPos = new IntHashSet[parent.localTCNCount];
 
         // Put fields into initial states
         reset();
@@ -375,6 +384,7 @@ public final class Matcher implements MatchResult {
             groups[i] = -1;
         for (int i = 0; i < locals.length; i++)
             locals[i] = -1;
+        localsPos = new IntHashSet[parentPattern.localTCNCount];
         modCount++;
         return this;
     }
@@ -397,6 +407,10 @@ public final class Matcher implements MatchResult {
             groups[i] = -1;
         for(int i=0; i<locals.length; i++)
             locals[i] = -1;
+        for (int i = 0; i < localsPos.length; i++) {
+            if (localsPos[i] != null)
+                localsPos[i].clear();
+        }
         lastAppendPosition = 0;
         from = 0;
         to = getTextLength();
@@ -1706,6 +1720,10 @@ public final class Matcher implements MatchResult {
         this.oldLast = oldLast < 0 ? from : oldLast;
         for (int i = 0; i < groups.length; i++)
             groups[i] = -1;
+        for (int i = 0; i < localsPos.length; i++) {
+            if (localsPos[i] != null)
+                localsPos[i].clear();
+        }
         acceptMode = NOANCHOR;
         boolean result = parentPattern.root.match(this, from, text);
         if (!result)
@@ -1729,6 +1747,10 @@ public final class Matcher implements MatchResult {
         this.oldLast = oldLast < 0 ? from : oldLast;
         for (int i = 0; i < groups.length; i++)
             groups[i] = -1;
+        for (int i = 0; i < localsPos.length; i++) {
+            if (localsPos[i] != null)
+                localsPos[i].clear();
+        }
         acceptMode = anchor;
         boolean result = parentPattern.matchRoot.match(this, from, text);
         if (!result)

jdk/src/java.base/share/classes/java/util/regex/PrintPattern.java

@@ -0,0 +1,220 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.util.regex;
+
+import java.util.HashMap;
+import java.util.regex.Pattern.CharPredicate;
+import java.util.regex.CharPredicates;
+import static java.util.regex.ASCII.*;
+
+/**
+ * A utility class to print out the pattern node tree.
+ */
+
+class PrintPattern {
+
+    private static HashMap<Pattern.Node, Integer> ids = new HashMap<>();
+
+    private static void print(Pattern.Node node, String text, int depth) {
+        if (!ids.containsKey(node))
+            ids.put(node, ids.size());
+        print("%6d:%" + (depth==0? "": depth<<1) + "s<%s>", ids.get(node), "", text);
+        if (ids.containsKey(node.next))
+            print(" (=>%d)", ids.get(node.next));
+        print("%n");
+    }
+
+    private static void print(String s, int depth) {
+        print("       %" + (depth==0?"":depth<<1) + "s<%s>%n", "", s);
+    }
+
+    private static void print(String fmt, Object ... args) {
+        System.err.printf(fmt, args);
+    }
+
+    private static String toStringCPS(int[] cps) {
+        StringBuilder sb = new StringBuilder(cps.length);
+        for (int cp : cps)
+            sb.append(toStringCP(cp));
+        return sb.toString();
+    }
+
+    private static String toStringCP(int cp) {
+        return (isPrint(cp) ? "" + (char)cp
+                            : "\\u" + Integer.toString(cp, 16));
+    }
+
+    private static String toStringRange(int min, int max) {
+       if (max == Pattern.MAX_REPS) {
+           if (min == 0)
+               return " * ";
+           else if (min == 1)
+               return " + ";
+           return "{" + min + ", max}";
+       }
+       return "{" + min + ", " +  max + "}";
+    }
+
+    private static String toStringCtype(int type) {
+        switch(type) {
+        case UPPER:  return "ASCII.UPPER";
+        case LOWER:  return "ASCII.LOWER";
+        case DIGIT:  return "ASCII.DIGIT";
+        case SPACE:  return "ASCII.SPACE";
+        case PUNCT:  return "ASCII.PUNCT";
+        case CNTRL:  return "ASCII.CNTRL";
+        case BLANK:  return "ASCII.BLANK";
+        case UNDER:  return "ASCII.UNDER";
+        case ASCII:  return "ASCII.ASCII";
+        case ALPHA:  return "ASCII.ALPHA";
+        case ALNUM:  return "ASCII.ALNUM";
+        case GRAPH:  return "ASCII.GRAPH";
+        case WORD:   return "ASCII.WORD";
+        case XDIGIT: return "ASCII.XDIGIT";
+        default: return "ASCII ?";
+        }
+    }
+
+    private static String toString(Pattern.Node node) {
+        String name = node.getClass().getName();
+        return name.substring(name.lastIndexOf('$') + 1);
+    }
+
+    static HashMap<CharPredicate, String> pmap;
+    static {
+        pmap = new HashMap<>();
+        pmap.put(Pattern.ALL, "All");
+        pmap.put(Pattern.DOT, "Dot");
+        pmap.put(Pattern.UNIXDOT, "UnixDot");
+        pmap.put(Pattern.VertWS, "VertWS");
+        pmap.put(Pattern.HorizWS, "HorizWS");
+
+        pmap.put(CharPredicates.ASCII_DIGIT, "ASCII.DIGIT");
+        pmap.put(CharPredicates.ASCII_WORD,  "ASCII.WORD");
+        pmap.put(CharPredicates.ASCII_SPACE, "ASCII.SPACE");
+    }
+
+    static void walk(Pattern.Node node, int depth) {
+        depth++;
+        while(node != null) {
+            String name = toString(node);
+            String str;
+            if (node instanceof Pattern.Prolog) {
+                print(node, name, depth);
+                // print the loop here
+                Pattern.Loop loop = ((Pattern.Prolog)node).loop;
+                name = toString(loop);
+                str = name + " " + toStringRange(loop.cmin, loop.cmax);
+                print(loop, str, depth);
+                walk(loop.body, depth);
+                print("/" + name, depth);
+                node = loop;
+            } else if (node instanceof Pattern.Loop) {
+                return;  // stop here, body.next -> loop
+            } else if (node instanceof Pattern.Curly) {
+                Pattern.Curly c = (Pattern.Curly)node;
+                str = "Curly " + c.type + " " + toStringRange(c.cmin, c.cmax);
+                print(node, str, depth);
+                walk(c.atom, depth);
+                print("/Curly", depth);
+            } else if (node instanceof Pattern.GroupCurly) {
+                Pattern.GroupCurly gc = (Pattern.GroupCurly)node;
+                str = "GroupCurly " + gc.groupIndex / 2 +
+                      ", " + gc.type + " " + toStringRange(gc.cmin, gc.cmax);
+                print(node, str, depth);
+                walk(gc.atom, depth);
+                print("/GroupCurly", depth);
+            } else if (node instanceof Pattern.GroupHead) {
+                Pattern.GroupHead head = (Pattern.GroupHead)node;
+                Pattern.GroupTail tail = head.tail;
+                print(head, "Group.head " + (tail.groupIndex / 2), depth);
+                walk(head.next, depth);
+                print(tail, "/Group.tail " + (tail.groupIndex / 2), depth);
+                node = tail;
+            } else if (node instanceof Pattern.GroupTail) {
+                return;  // stopper
+            } else if (node instanceof Pattern.Ques) {
+                print(node, "Ques " + ((Pattern.Ques)node).type, depth);
+                walk(((Pattern.Ques)node).atom, depth);
+                print("/Ques", depth);
+            } else if (node instanceof Pattern.Branch) {
+                Pattern.Branch b = (Pattern.Branch)node;
+                print(b, name, depth);
+                int i = 0;
+                while (true) {
+                    if (b.atoms[i] != null) {
+                        walk(b.atoms[i], depth);
+                    } else {
+                        print("  (accepted)", depth);
+                    }
+                    if (++i == b.size)
+                        break;
+                    print("-branch.separator-", depth);
+                }
+                node = b.conn;
+                print(node, "/Branch", depth);
+            } else if (node instanceof Pattern.BranchConn) {
+                return;
+            } else if (node instanceof Pattern.CharProperty) {
+                str = pmap.get(((Pattern.CharProperty)node).predicate);
+                if (str == null)
+                    str = toString(node);
+                else
+                    str = "Single \"" + str + "\"";
+                print(node, str, depth);
+            } else if (node instanceof Pattern.SliceNode) {
+                str = name + "  \"" +
+                      toStringCPS(((Pattern.SliceNode)node).buffer) + "\"";
+                print(node, str, depth);
+            } else if (node instanceof Pattern.CharPropertyGreedy) {
+                Pattern.CharPropertyGreedy gcp = (Pattern.CharPropertyGreedy)node;
+                String pstr = pmap.get(gcp.predicate);
+                if (pstr == null)
+                    pstr = gcp.predicate.toString();
+                else
+                    pstr = "Single \"" + pstr + "\"";
+                str = name + " " + pstr + ((gcp.cmin == 0) ? "*" : "+");
+                print(node, str, depth);
+            } else if (node instanceof Pattern.BackRef) {
+                str = "GroupBackRef " + ((Pattern.BackRef)node).groupIndex / 2;
+                print(node, str, depth);
+            } else if (node instanceof Pattern.LastNode) {
+                print(node, "END", depth);
+            } else if (node == Pattern.accept) {
+                return;
+            } else {
+                print(node, name, depth);
+            }
+            node = node.next;
+        }
+    }
+
+    public static void main(String[] args) {
+        Pattern p = Pattern.compile(args[0]);
+        System.out.println("   Pattern: " + p);
+        walk(p.root, 0);
+    }
+}

jdk/src/java.base/share/classes/java/util/regex/UnicodeProp.java

@@ -1,246 +0,0 @@
-/*
- * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package java.util.regex;
-
-import java.util.HashMap;
-import java.util.Locale;
-
-enum UnicodeProp {
-
-    ALPHABETIC {
-        public boolean is(int ch) {
-            return Character.isAlphabetic(ch);
-        }
-    },
-
-    LETTER {
-        public boolean is(int ch) {
-            return Character.isLetter(ch);
-        }
-    },
-
-    IDEOGRAPHIC {
-        public boolean is(int ch) {
-            return Character.isIdeographic(ch);
-        }
-    },
-
-    LOWERCASE {
-        public boolean is(int ch) {
-            return Character.isLowerCase(ch);
-        }
-    },
-
-    UPPERCASE {
-        public boolean is(int ch) {
-            return Character.isUpperCase(ch);
-        }
-    },
-
-    TITLECASE {
-        public boolean is(int ch) {
-            return Character.isTitleCase(ch);
-        }
-    },
-
-    WHITE_SPACE {
-        // \p{Whitespace}
-        public boolean is(int ch) {
-            return ((((1 << Character.SPACE_SEPARATOR) |
-                      (1 << Character.LINE_SEPARATOR) |
-                      (1 << Character.PARAGRAPH_SEPARATOR)) >> Character.getType(ch)) & 1)
-                   != 0 || (ch >= 0x9 && ch <= 0xd) || (ch == 0x85);
-        }
-    },
-
-    CONTROL {
-        // \p{gc=Control}
-        public boolean is(int ch) {
-            return Character.getType(ch) == Character.CONTROL;
-        }
-    },
-
-    PUNCTUATION {
-        // \p{gc=Punctuation}
-        public boolean is(int ch) {
-            return ((((1 << Character.CONNECTOR_PUNCTUATION) |
-                      (1 << Character.DASH_PUNCTUATION) |
-                      (1 << Character.START_PUNCTUATION) |
-                      (1 << Character.END_PUNCTUATION) |
-                      (1 << Character.OTHER_PUNCTUATION) |
-                      (1 << Character.INITIAL_QUOTE_PUNCTUATION) |
-                      (1 << Character.FINAL_QUOTE_PUNCTUATION)) >> Character.getType(ch)) & 1)
-                   != 0;
-        }
-    },
-
-    HEX_DIGIT {
-        // \p{gc=Decimal_Number}
-        // \p{Hex_Digit}    -> PropList.txt: Hex_Digit
-        public boolean is(int ch) {
-            return DIGIT.is(ch) ||
-                   (ch >= 0x0030 && ch <= 0x0039) ||
-                   (ch >= 0x0041 && ch <= 0x0046) ||
-                   (ch >= 0x0061 && ch <= 0x0066) ||
-                   (ch >= 0xFF10 && ch <= 0xFF19) ||
-                   (ch >= 0xFF21 && ch <= 0xFF26) ||
-                   (ch >= 0xFF41 && ch <= 0xFF46);
-        }
-    },
-
-    ASSIGNED {
-        public boolean is(int ch) {
-            return Character.getType(ch) != Character.UNASSIGNED;
-        }
-    },
-
-    NONCHARACTER_CODE_POINT {
-        // PropList.txt:Noncharacter_Code_Point
-        public boolean is(int ch) {
-            return (ch & 0xfffe) == 0xfffe || (ch >= 0xfdd0 && ch <= 0xfdef);
-        }
-    },
-
-    DIGIT {
-        // \p{gc=Decimal_Number}
-        public boolean is(int ch) {
-            return Character.isDigit(ch);
-        }
-    },
-
-    ALNUM {
-        // \p{alpha}
-        // \p{digit}
-        public boolean is(int ch) {
-            return ALPHABETIC.is(ch) || DIGIT.is(ch);
-        }
-    },
-
-    BLANK {
-        // \p{Whitespace} --
-        // [\N{LF} \N{VT} \N{FF} \N{CR} \N{NEL}  -> 0xa, 0xb, 0xc, 0xd, 0x85
-        //  \p{gc=Line_Separator}
-        //  \p{gc=Paragraph_Separator}]
-        public boolean is(int ch) {
-            return Character.getType(ch) == Character.SPACE_SEPARATOR ||
-                   ch == 0x9; // \N{HT}
-        }
-    },
-
-    GRAPH {
-        // [^
-        //  \p{space}
-        //  \p{gc=Control}
-        //  \p{gc=Surrogate}
-        //  \p{gc=Unassigned}]
-        public boolean is(int ch) {
-            return ((((1 << Character.SPACE_SEPARATOR) |
-                      (1 << Character.LINE_SEPARATOR) |
-                      (1 << Character.PARAGRAPH_SEPARATOR) |
-                      (1 << Character.CONTROL) |
-                      (1 << Character.SURROGATE) |
-                      (1 << Character.UNASSIGNED)) >> Character.getType(ch)) & 1)
-                   == 0;
-        }
-    },
-
-    PRINT {
-        // \p{graph}
-        // \p{blank}
-        // -- \p{cntrl}
-        public boolean is(int ch) {
-            return (GRAPH.is(ch) || BLANK.is(ch)) && !CONTROL.is(ch);
-        }
-    },
-
-    WORD {
-        //  \p{alpha}
-        //  \p{gc=Mark}
-        //  \p{digit}
-        //  \p{gc=Connector_Punctuation}
-        //  \p{Join_Control}    200C..200D
-
-        public boolean is(int ch) {
-            return ALPHABETIC.is(ch) ||
-                   ((((1 << Character.NON_SPACING_MARK) |
-                      (1 << Character.ENCLOSING_MARK) |
-                      (1 << Character.COMBINING_SPACING_MARK) |
-                      (1 << Character.DECIMAL_DIGIT_NUMBER) |
-                      (1 << Character.CONNECTOR_PUNCTUATION)) >> Character.getType(ch)) & 1)
-                   != 0 ||
-                   JOIN_CONTROL.is(ch);
-        }
-    },
-
-    JOIN_CONTROL {
-        //  200C..200D    PropList.txt:Join_Control
-        public boolean is(int ch) {
-           return (ch == 0x200C || ch == 0x200D);
-        }
-    };
-
-    private static final HashMap<String, String> posix = new HashMap<>();
-    private static final HashMap<String, String> aliases = new HashMap<>();
-    static {
-        posix.put("ALPHA", "ALPHABETIC");
-        posix.put("LOWER", "LOWERCASE");
-        posix.put("UPPER", "UPPERCASE");
-        posix.put("SPACE", "WHITE_SPACE");
-        posix.put("PUNCT", "PUNCTUATION");
-        posix.put("XDIGIT","HEX_DIGIT");
-        posix.put("ALNUM", "ALNUM");
-        posix.put("CNTRL", "CONTROL");
-        posix.put("DIGIT", "DIGIT");
-        posix.put("BLANK", "BLANK");
-        posix.put("GRAPH", "GRAPH");
-        posix.put("PRINT", "PRINT");
-
-        aliases.put("WHITESPACE", "WHITE_SPACE");
-        aliases.put("HEXDIGIT","HEX_DIGIT");
-        aliases.put("NONCHARACTERCODEPOINT", "NONCHARACTER_CODE_POINT");
-        aliases.put("JOINCONTROL", "JOIN_CONTROL");
-    }
-
-    public static UnicodeProp forName(String propName) {
-        propName = propName.toUpperCase(Locale.ENGLISH);
-        String alias = aliases.get(propName);
-        if (alias != null)
-            propName = alias;
-        try {
-            return valueOf (propName);
-        } catch (IllegalArgumentException x) {}
-        return null;
-    }
-
-    public static UnicodeProp forPOSIXName(String propName) {
-        propName = posix.get(propName.toUpperCase(Locale.ENGLISH));
-        if (propName == null)
-            return null;
-        return valueOf (propName);
-    }
-
-    public abstract boolean is(int ch);
-}

jdk/src/java.base/share/classes/javax/security/auth/callback/UnsupportedCallbackException.java

@@ -40,7 +40,7 @@ public class UnsupportedCallbackException extends Exception {
     private Callback callback;
 
     /**
-     * Constructs a {@code UnsupportedCallbackException}
+     * Constructs an {@code UnsupportedCallbackException}
      * with no detail message.
      *
      * @param callback the unrecognized {@code Callback}.

jdk/src/java.base/share/classes/jdk/internal/misc/VM.java

@@ -390,10 +390,25 @@ public class VM {
     private static final int JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT = 0x0020;
 
     /*
-     * Returns the first non-null class loader up the execution stack,
+     * Returns the first user-defined class loader up the execution stack,
-     * or null if only code from the null class loader is on the stack.
+     * or the platform class loader if only code from the platform or
+     * bootstrap class loader is on the stack.
      */
-    public static native ClassLoader latestUserDefinedLoader();
+    public static ClassLoader latestUserDefinedLoader() {
+        ClassLoader loader = latestUserDefinedLoader0();
+        return loader != null ? loader : ClassLoader.getPlatformClassLoader();
+    }
+
+    /*
+     * Returns the first user-defined class loader up the execution stack,
+     * or null if only code from the platform or bootstrap class loader is
+     * on the stack.  VM does not keep a reference of platform loader and so
+     * it returns null.
+     *
+     * This method should be replaced with StackWalker::walk and then we can
+     * remove the logic in the VM.
+     */
+    private static native ClassLoader latestUserDefinedLoader0();
 
     /**
      * Returns {@code true} if we are in a set UID program.

jdk/src/java.base/share/classes/sun/net/ftp/FtpClient.java

@@ -784,7 +784,7 @@ public abstract class FtpClient implements java.io.Closeable {
      *
      * @param path the pathname of the directory to list or {@code null}
      *        for the current working directoty.
-     * @return a {@code Iterator} of files or {@code null} if the
+     * @return an {@code Iterator} of files or {@code null} if the
      *         command failed.
      * @throws IOException if an error occurred during the transmission
      * @see #setDirParser(FtpDirParser)

jdk/src/java.base/share/classes/sun/security/provider/AbstractDrbg.java

@@ -51,12 +51,9 @@ import static java.security.DrbgParameters.Capability.*;
  * configuration is eagerly called to set up parameters, and instantiation
  * is lazily called only when nextBytes or reseed is called.
  * <p>
- * Synchronized keyword should be added to all externally callable engine
+ * SecureRandom methods like reseed and nextBytes are not thread-safe.
- * methods including {@link #engineReseed}, {@link #engineSetSeed}, and
+ * An implementation is required to protect shared access to instantiate states
- * {@link #engineNextBytes} (but not {@link #engineGenerateSeed}).
+ * (instantiated, nonce) and DRBG states (v, c, key, reseedCounter).
- * Internal methods like {@link #configure} and {@link #instantiateAlgorithm}
- * are not synchronized. They will either be called in a constructor or
- * in another synchronized method.
  */
 public abstract class AbstractDrbg extends SecureRandomSpi {
 
@@ -78,8 +75,10 @@ public abstract class AbstractDrbg extends SecureRandomSpi {
      * Reseed counter of a DRBG instance. A mechanism should increment it
      * after each random bits generation and reset it in reseed. A mechanism
      * does <em>not</em> need to compare it to {@link #reseedInterval}.
+     *
+     * Volatile, will be used in a double checked locking.
      */
-    protected transient int reseedCounter = 0;
+    protected transient volatile int reseedCounter = 0;
 
     // Mech features. If not same as below, must be redefined in constructor.
 
@@ -268,10 +267,9 @@ public abstract class AbstractDrbg extends SecureRandomSpi {
      * {@code DEFAULT_STRENGTH} is 128) for HashDRBG:
      * <pre>
      * requested             effective
-     * (SHA-1, -1)           (SHA-1,128)
+     * (SHA-224, 256)        IAE
-     * (SHA-1, 112)          (SHA-1,112)
-     * (SHA-1, 192)          IAE
      * (SHA-256, -1)         (SHA-256,128)
+     * (SHA-256, 112)        (SHA-256,112)
      * (SHA-256, 128)        (SHA-256,128)
      * (SHA-3, -1)           IAE
      * (null, -1)            (SHA-256,128)
@@ -383,9 +381,14 @@ public abstract class AbstractDrbg extends SecureRandomSpi {
             instantiateIfNecessary(null);
 
             // Step 7: Auto reseed
+            // Double checked locking, safe because reseedCounter is volatile
             if (reseedCounter > reseedInterval || pr) {
-                reseedAlgorithm(getEntropyInput(pr), ai);
+                synchronized (this) {
-                ai = null;
+                    if (reseedCounter > reseedInterval || pr) {
+                        reseedAlgorithm(getEntropyInput(pr), ai);
+                        ai = null;
+                    }
+                }
             }
 
             // Step 8, 10: Generate_algorithm
@@ -615,8 +618,7 @@ public abstract class AbstractDrbg extends SecureRandomSpi {
      * @throws IllegalArgumentException if {@code params} is
      *         inappropriate for this SecureRandom.
      */
-    protected final synchronized void configure(
+    protected final void configure(SecureRandomParameters params) {
-            SecureRandomParameters params) {
         if (debug != null) {
             debug.println(this, "configure " + this + " with " + params);
         }

jdk/src/java.base/share/classes/sun/security/provider/AbstractHashDrbg.java

@@ -39,8 +39,6 @@ public abstract class AbstractHashDrbg extends AbstractDrbg {
 
     private static int alg2strength(String algorithm) {
         switch (algorithm.toUpperCase(Locale.ROOT)) {
-            case "SHA-1":
-                return 128;
             case "SHA-224":
             case "SHA-512/224":
                 return 192;
@@ -82,10 +80,6 @@ public abstract class AbstractHashDrbg extends AbstractDrbg {
             this.securityStrength = tryStrength;
         }
         switch (algorithm.toUpperCase(Locale.ROOT)) {
-            case "SHA-1":
-                this.seedLen = 440 / 8;
-                this.outLen = 160 / 8;
-                break;
             case "SHA-224":
             case "SHA-512/224":
                 this.seedLen = 440 / 8;

jdk/src/java.base/share/classes/sun/security/provider/ByteArrayAccess.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -441,17 +441,89 @@ final class ByteArrayAccess {
             (outOfs < 0) || ((out.length - outOfs) < len)) {
             throw new ArrayIndexOutOfBoundsException();
         }
-        len += outOfs;
+        if (littleEndianUnaligned) {
-        while (outOfs < len) {
+            outOfs += byteArrayOfs;
-            long i = in[inOfs++];
+            len += outOfs;
-            out[outOfs++] = (byte)(i >> 56);
+            while (outOfs < len) {
-            out[outOfs++] = (byte)(i >> 48);
+                unsafe.putLong(out, (long)outOfs, reverseBytes(in[inOfs++]));
-            out[outOfs++] = (byte)(i >> 40);
+                outOfs += 8;
-            out[outOfs++] = (byte)(i >> 32);
+            }
-            out[outOfs++] = (byte)(i >> 24);
+        } else {
-            out[outOfs++] = (byte)(i >> 16);
+            len += outOfs;
-            out[outOfs++] = (byte)(i >>  8);
+            while (outOfs < len) {
-            out[outOfs++] = (byte)(i      );
+                long i = in[inOfs++];
+                out[outOfs++] = (byte)(i >> 56);
+                out[outOfs++] = (byte)(i >> 48);
+                out[outOfs++] = (byte)(i >> 40);
+                out[outOfs++] = (byte)(i >> 32);
+                out[outOfs++] = (byte)(i >> 24);
+                out[outOfs++] = (byte)(i >> 16);
+                out[outOfs++] = (byte)(i >>  8);
+                out[outOfs++] = (byte)(i      );
+            }
+        }
+    }
+
+    /**
+     * byte[] to long[] conversion, little endian byte order
+     */
+    static void b2lLittle(byte[] in, int inOfs, long[] out, int outOfs, int len) {
+        if ((inOfs < 0) || ((in.length - inOfs) < len) ||
+            ((outOfs < 0) || (out.length - outOfs) < len/8)) {
+            throw new ArrayIndexOutOfBoundsException();
+        }
+        if (littleEndianUnaligned) {
+            inOfs += byteArrayOfs;
+            len += inOfs;
+            while (inOfs < len) {
+                out[outOfs++] = unsafe.getLong(in, (long)inOfs);
+                inOfs += 8;
+            }
+       } else {
+            len += inOfs;
+            while (inOfs < len) {
+                out[outOfs++] = ((in[inOfs    ] & 0xffL)
+                   | ((in[inOfs + 1] & 0xffL) <<  8)
+                   | ((in[inOfs + 2] & 0xffL) << 16)
+                   | ((in[inOfs + 3] & 0xffL) << 24)
+                   | ((in[inOfs + 4] & 0xffL) << 32)
+                   | ((in[inOfs + 5] & 0xffL) << 40)
+                   | ((in[inOfs + 6] & 0xffL) << 48)
+                   | ((in[inOfs + 7] & 0xffL) << 56));
+                inOfs += 8;
+            }
+        }
+    }
+
+
+    /**
+     * long[] to byte[] conversion, little endian byte order
+     */
+    static void l2bLittle(long[] in, int inOfs, byte[] out, int outOfs, int len) {
+        if ((inOfs < 0) || ((in.length - inOfs) < len/8) ||
+            (outOfs < 0) || ((out.length - outOfs) < len)) {
+            throw new ArrayIndexOutOfBoundsException();
+        }
+        if (littleEndianUnaligned) {
+            outOfs += byteArrayOfs;
+            len += outOfs;
+            while (outOfs < len) {
+                unsafe.putLong(out, (long)outOfs, in[inOfs++]);
+                outOfs += 8;
+            }
+        } else {
+            len += outOfs;
+            while (outOfs < len) {
+                long i = in[inOfs++];
+                out[outOfs++] = (byte)(i      );
+                out[outOfs++] = (byte)(i >>  8);
+                out[outOfs++] = (byte)(i >> 16);
+                out[outOfs++] = (byte)(i >> 24);
+                out[outOfs++] = (byte)(i >> 32);
+                out[outOfs++] = (byte)(i >> 40);
+                out[outOfs++] = (byte)(i >> 48);
+                out[outOfs++] = (byte)(i >> 56);
+            }
         }
     }
 }

jdk/src/java.base/share/classes/sun/security/provider/CtrDrbg.java

@@ -27,7 +27,6 @@ package sun.security.provider;
 
 import javax.crypto.Cipher;
 import javax.crypto.NoSuchPaddingException;
-import javax.crypto.SecretKey;
 import javax.crypto.spec.SecretKeySpec;
 import java.io.IOException;
 import java.security.*;
@@ -68,11 +67,6 @@ public class CtrDrbg extends AbstractDrbg {
 
     private static int alg2strength(String algorithm) {
         switch (algorithm.toUpperCase(Locale.ROOT)) {
-            case "TDEA":
-            case "3KEYTDEA":
-            case "3 KEY TDEA":
-            case "DESEDE":
-                return 112;
             case "AES-128":
                 return 128;
             case "AES-192":
@@ -120,16 +114,6 @@ public class CtrDrbg extends AbstractDrbg {
             this.securityStrength = tryStrength;
         }
         switch (algorithm.toUpperCase(Locale.ROOT)) {
-            case "TDEA":
-            case "3KEYTDEA":
-            case "3 KEY TDEA":
-            case "DESEDE":
-                algorithm = "DESede";
-                this.keyAlg = "DESede";
-                this.cipherAlg = "DESede/ECB/NoPadding";
-                this.blockLen = 64 / 8;
-                this.keyLen = 168 / 8;
-                break;
             case "AES-128":
             case "AES-192":
             case "AES-256":
@@ -224,7 +208,7 @@ public class CtrDrbg extends AbstractDrbg {
                 // Step 2.1. Increment
                 addOne(v, ctrLen);
                 // Step 2.2. Block_Encrypt
-                cipher.init(Cipher.ENCRYPT_MODE, getKey(keyAlg, k));
+                cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(k, keyAlg));
                 // Step 2.3. Encrypt into right position, no need to cat
                 cipher.doFinal(v, 0, blockLen, temp, i * blockLen);
             }
@@ -316,7 +300,7 @@ public class CtrDrbg extends AbstractDrbg {
 
         for (int i = 0; i * blockLen < seedLen; i++) {
             try {
-                cipher.init(Cipher.ENCRYPT_MODE, getKey(keyAlg, k));
+                cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(k, keyAlg));
                 int tailLen = temp.length - blockLen*i;
                 if (tailLen > blockLen) {
                     tailLen = blockLen;
@@ -340,7 +324,7 @@ public class CtrDrbg extends AbstractDrbg {
                 inputBlock[j] ^= chain[j];
             }
             try {
-                cipher.init(Cipher.ENCRYPT_MODE, getKey(keyAlg, k));
+                cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(k, keyAlg));
                 chain = cipher.doFinal(inputBlock);
             } catch (GeneralSecurityException e) {
                 throw new InternalError(e);
@@ -350,7 +334,7 @@ public class CtrDrbg extends AbstractDrbg {
     }
 
     @Override
-    protected void reseedAlgorithm(
+    protected synchronized void reseedAlgorithm(
             byte[] ei,
             byte[] additionalInput) {
         if (usedf) {
@@ -456,7 +440,7 @@ public class CtrDrbg extends AbstractDrbg {
             addOne(v, ctrLen);
             try {
                 // Step 4.2. Encrypt
-                cipher.init(Cipher.ENCRYPT_MODE, getKey(keyAlg, k));
+                cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(k, keyAlg));
                 byte[] out = cipher.doFinal(v);
 
                 // Step 4.3 and 5. Cat bytes and leftmost
@@ -479,43 +463,6 @@ public class CtrDrbg extends AbstractDrbg {
         // Step 8. Return
     }
 
-    private static void des7to8(
-            byte[] key56, int off56, byte[] key64, int off64) {
-        key64[off64 + 0] = (byte)
-                (key56[off56 + 0] & 0xFE); // << 0
-        key64[off64 + 1] = (byte)
-                ((key56[off56 + 0] << 7) | ((key56[off56 + 1] & 0xFF) >>> 1));
-        key64[off64 + 2] = (byte)
-                ((key56[off56 + 1] << 6) | ((key56[off56 + 2] & 0xFF) >>> 2));
-        key64[off64 + 3] = (byte)
-                ((key56[off56 + 2] << 5) | ((key56[off56 + 3] & 0xFF) >>> 3));
-        key64[off64 + 4] = (byte)
-                ((key56[off56 + 3] << 4) | ((key56[off56 + 4] & 0xFF) >>> 4));
-        key64[off64 + 5] = (byte)
-                ((key56[off56 + 4] << 3) | ((key56[off56 + 5] & 0xFF) >>> 5));
-        key64[off64 + 6] = (byte)
-                ((key56[off56 + 5] << 2) | ((key56[off56 + 6] & 0xFF) >>> 6));
-        key64[off64 + 7] = (byte)
-                (key56[off56 + 6] << 1);
-
-        for (int i = 0; i < 8; i++) {
-            // if even # bits, make uneven, XOR with 1 (uneven & 1)
-            // for uneven # bits, make even, XOR with 0 (even & 1)
-            key64[off64 + i] ^= Integer.bitCount(key64[off64 + i] ^ 1) & 1;
-        }
-    }
-
-    private static SecretKey getKey(String keyAlg, byte[] k) {
-        if (keyAlg.equals("DESede")) {
-            byte[] k2 = new byte[24];
-            des7to8(k, 0, k2, 0);
-            des7to8(k, 7, k2, 8);
-            des7to8(k, 14, k2, 16);
-            k = k2;
-        }
-        return new SecretKeySpec(k, keyAlg);
-    }
-
     private void readObject(java.io.ObjectInputStream s)
             throws IOException, ClassNotFoundException {
         s.defaultReadObject ();

jdk/src/java.base/share/classes/sun/security/provider/HashDrbg.java

@@ -115,7 +115,7 @@ public class HashDrbg extends AbstractHashDrbg {
 
     // This method is used by both instantiation and reseeding.
     @Override
-    protected final void hashReseedInternal(byte[] input) {
+    protected final synchronized void hashReseedInternal(byte[] input) {
 
         // 800-90Ar1 10.1.1.2: Instantiate Process.
         // 800-90Ar1 10.1.1.3: Reseed Process.

jdk/src/java.base/share/classes/sun/security/provider/HmacDrbg.java

@@ -115,7 +115,7 @@ public class HmacDrbg extends AbstractHashDrbg {
 
     // This method is used by both instantiation and reseeding.
     @Override
-    protected final void hashReseedInternal(byte[] input) {
+    protected final synchronized void hashReseedInternal(byte[] input) {
 
         // 800-90Ar1 10.1.2.3: Instantiate Process.
         // 800-90Ar1 10.1.2.4: Reseed Process.

jdk/src/java.base/share/classes/sun/security/provider/SHA3.java

@@ -0,0 +1,300 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.security.provider;
+
+import static sun.security.provider.ByteArrayAccess.*;
+import java.nio.*;
+import java.util.*;
+import java.security.*;
+
+/**
+ * This class implements the Secure Hash Algorithm SHA-3 developed by
+ * the National Institute of Standards and Technology along with the
+ * National Security Agency as defined in FIPS PUB 202.
+ *
+ * <p>It implements java.security.MessageDigestSpi, and can be used
+ * through Java Cryptography Architecture (JCA), as a pluggable
+ * MessageDigest implementation.
+ *
+ * @since       9
+ * @author      Valerie Peng
+ */
+abstract class SHA3 extends DigestBase {
+
+    private static final int WIDTH = 200; // in bytes, e.g. 1600 bits
+    private static final int DM = 5; // dimension of lanes
+
+    private static final int NR = 24; // number of rounds
+
+    // precomputed round constants needed by the step mapping Iota
+    private static final long[] RC_CONSTANTS = {
+        0x01L, 0x8082L, 0x800000000000808aL,
+        0x8000000080008000L, 0x808bL, 0x80000001L,
+        0x8000000080008081L, 0x8000000000008009L, 0x8aL,
+        0x88L, 0x80008009L, 0x8000000aL,
+        0x8000808bL, 0x800000000000008bL, 0x8000000000008089L,
+        0x8000000000008003L, 0x8000000000008002L, 0x8000000000000080L,
+        0x800aL, 0x800000008000000aL, 0x8000000080008081L,
+        0x8000000000008080L, 0x80000001L, 0x8000000080008008L,
+    };
+
+    private byte[] state;
+
+    /**
+     * Creates a new SHA-3 object.
+     */
+    SHA3(String name, int digestLength) {
+        super(name, digestLength, (WIDTH - (2 * digestLength)));
+        implReset();
+    }
+
+    /**
+     * Core compression function. Processes blockSize bytes at a time
+     * and updates the state of this object.
+     */
+    void implCompress(byte[] b, int ofs) {
+        for (int i = 0; i < buffer.length; i++) {
+            state[i] ^= b[ofs++];
+        }
+        state = keccak(state);
+    }
+
+    /**
+     * Return the digest. Subclasses do not need to reset() themselves,
+     * DigestBase calls implReset() when necessary.
+     */
+    void implDigest(byte[] out, int ofs) {
+        int numOfPadding =
+            setPaddingBytes(buffer, (int)(bytesProcessed % buffer.length));
+        if (numOfPadding < 1) {
+            throw new ProviderException("Incorrect pad size: " + numOfPadding);
+        }
+        for (int i = 0; i < buffer.length; i++) {
+            state[i] ^= buffer[i];
+        }
+        state = keccak(state);
+        System.arraycopy(state, 0, out, ofs, engineGetDigestLength());
+    }
+
+    /**
+     * Resets the internal state to start a new hash.
+     */
+    void implReset() {
+        state = new byte[WIDTH];
+    }
+
+    /**
+     * Utility function for circular shift the specified long
+     * value to the left for n bits.
+     */
+    private static long circularShiftLeft(long lane, int n) {
+        return ((lane << n) | (lane >>> (64 - n)));
+    }
+
+    /**
+     * Utility function for padding the specified data based on the
+     * pad10*1 algorithm (section 5.1) and the 2-bit suffix "01" required
+     * for SHA-3 hash (section 6.1).
+     */
+    private static int setPaddingBytes(byte[] in, int len) {
+        if (len != in.length) {
+            // erase leftover values
+            Arrays.fill(in, len, in.length, (byte)0);
+            // directly store the padding bytes into the input
+            // as the specified buffer is allocated w/ size = rateR
+            in[len] |= (byte) 0x06;
+            in[in.length - 1] |= (byte) 0x80;
+        }
+        return (in.length - len);
+    }
+
+    /**
+     * Utility function for transforming the specified state from
+     * the byte array format into array of lanes as defined in
+     * section 3.1.2.
+     */
+    private static long[][] bytes2Lanes(byte[] s) {
+        if (s.length != WIDTH) {
+            throw new ProviderException("Error: incorrect input size " +
+                s.length);
+        }
+        // The conversion traverses along x-axis before y-axis. So, y is the
+        // first dimension and x is the second dimension.
+        long[][] s2 = new long[DM][DM];
+        int sOfs = 0;
+        for (int y = 0; y < DM; y++, sOfs += 40) {
+            b2lLittle(s, sOfs, s2[y], 0, 40);
+        }
+        return s2;
+    }
+
+    /**
+     * Utility function for transforming the specified arrays of
+     * lanes into a byte array as defined in section 3.1.3.
+     */
+    private static byte[] lanes2Bytes(long[][] m) {
+        byte[] s = new byte[WIDTH];
+        int sOfs = 0;
+        // The conversion traverses along x-axis before y-axis. So, y is the
+        // first dimension and x is the second dimension.
+        for (int y = 0; y < DM; y++, sOfs += 40) {
+            l2bLittle(m[y], 0, s, sOfs, 40);
+        }
+        return s;
+    }
+
+    /**
+     * Step mapping Theta as defined in section 3.2.1 .
+     */
+    private static long[][] smTheta(long[][] a) {
+        long[] c = new long[DM];
+        for (int i = 0; i < DM; i++) {
+            c[i] = a[0][i]^a[1][i]^a[2][i]^a[3][i]^a[4][i];
+        }
+        long[] d = new long[DM];
+        for (int i = 0; i < DM; i++) {
+            long c1 = c[(i + 4) % DM];
+            // left shift and wrap the leftmost bit into the rightmost bit
+            long c2 = circularShiftLeft(c[(i + 1) % DM], 1);
+            d[i] = c1^c2;
+        }
+        for (int y = 0; y < DM; y++) {
+            for (int x = 0; x < DM; x++) {
+                a[y][x] ^= d[x];
+            }
+        }
+        return a;
+    }
+
+    /**
+     * Step mapping Rho as defined in section 3.2.2.
+     */
+    private static long[][] smRho(long[][] a) {
+        long[][] a2 = new long[DM][DM];
+        a2[0][0] = a[0][0];
+        int xNext, yNext;
+        for (int t = 0, x = 1, y = 0; t <= 23; t++, x = xNext, y = yNext) {
+            int numberOfShift = ((t + 1)*(t + 2)/2) % 64;
+            a2[y][x] = circularShiftLeft(a[y][x], numberOfShift);
+            xNext = y;
+            yNext = (2 * x + 3 * y) % DM;
+        }
+        return a2;
+    }
+
+    /**
+     * Step mapping Pi as defined in section 3.2.3.
+     */
+    private static long[][] smPi(long[][] a) {
+        long[][] a2 = new long[DM][DM];
+        for (int y = 0; y < DM; y++) {
+            for (int x = 0; x < DM; x++) {
+                a2[y][x] = a[x][(x + 3 * y) % DM];
+            }
+        }
+        return a2;
+    }
+
+    /**
+     * Step mapping Chi as defined in section 3.2.4.
+     */
+    private static long[][] smChi(long[][] a) {
+        long[][] a2 = new long[DM][DM];
+        for (int y = 0; y < DM; y++) {
+            for (int x = 0; x < DM; x++) {
+                a2[y][x] = a[y][x] ^
+                    ((a[y][(x + 1) % DM] ^ 0xFFFFFFFFFFFFFFFFL) &
+                     a[y][(x + 2) % DM]);
+            }
+        }
+        return a2;
+    }
+
+    /**
+     * Step mapping Iota as defined in section 3.2.5.
+     *
+     * @return the processed state array
+     * @param state the state array to be processed
+     */
+    private static long[][] smIota(long[][] a, int rndIndex) {
+        a[0][0] ^= RC_CONSTANTS[rndIndex];
+        return a;
+    }
+
+    /**
+     * The function Keccak as defined in section 5.2 with
+     * rate r = 1600 and capacity c = (digest length x 2).
+     */
+    private static byte[] keccak(byte[] state) {
+        long[][] lanes = bytes2Lanes(state);
+        for (int ir = 0; ir < NR; ir++) {
+            lanes = smIota(smChi(smPi(smRho(smTheta(lanes)))), ir);
+        }
+        return lanes2Bytes(lanes);
+    }
+
+    public Object clone() throws CloneNotSupportedException {
+        SHA3 copy = (SHA3) super.clone();
+        copy.state = copy.state.clone();
+        return copy;
+    }
+
+    /**
+     * SHA3-224 implementation class.
+     */
+    public static final class SHA224 extends SHA3 {
+        public SHA224() {
+            super("SHA3-224", 28);
+        }
+    }
+
+    /**
+     * SHA3-256 implementation class.
+     */
+    public static final class SHA256 extends SHA3 {
+        public SHA256() {
+            super("SHA3-256", 32);
+        }
+    }
+
+    /**
+     * SHAs-384 implementation class.
+     */
+    public static final class SHA384 extends SHA3 {
+        public SHA384() {
+            super("SHA3-384", 48);
+        }
+    }
+
+    /**
+     * SHA3-512 implementation class.
+     */
+    public static final class SHA512 extends SHA3 {
+        public SHA512() {
+            super("SHA3-512", 64);
+        }
+    }
+}

jdk/src/java.base/share/classes/sun/security/provider/SecureRandom.java

@@ -156,6 +156,7 @@ implements java.io.Serializable {
             }
         }
         state = digest.digest(seed);
+        remCount = 0;
     }
 
     private static void updateState(byte[] state, byte[] output) {

jdk/src/java.base/share/classes/sun/security/provider/SunEntries.java

@@ -211,6 +211,25 @@ final class SunEntries {
         map.put("Alg.Alias.MessageDigest.OID.2.16.840.1.101.3.4.2.6",
                 "SHA-512/256");
 
+        map.put("MessageDigest.SHA3-224", "sun.security.provider.SHA3$SHA224");
+        map.put("Alg.Alias.MessageDigest.2.16.840.1.101.3.4.2.7", "SHA3-224");
+        map.put("Alg.Alias.MessageDigest.OID.2.16.840.1.101.3.4.2.7",
+                "SHA3-224");
+
+        map.put("MessageDigest.SHA3-256", "sun.security.provider.SHA3$SHA256");
+        map.put("Alg.Alias.MessageDigest.2.16.840.1.101.3.4.2.8", "SHA3-256");
+        map.put("Alg.Alias.MessageDigest.OID.2.16.840.1.101.3.4.2.8",
+                "SHA3-256");
+        map.put("MessageDigest.SHA3-384", "sun.security.provider.SHA3$SHA384");
+        map.put("Alg.Alias.MessageDigest.2.16.840.1.101.3.4.2.9", "SHA3-384");
+        map.put("Alg.Alias.MessageDigest.OID.2.16.840.1.101.3.4.2.9",
+                "SHA3-384");
+        map.put("MessageDigest.SHA3-512", "sun.security.provider.SHA3$SHA512");
+        map.put("Alg.Alias.MessageDigest.2.16.840.1.101.3.4.2.10", "SHA3-512");
+        map.put("Alg.Alias.MessageDigest.OID.2.16.840.1.101.3.4.2.10",
+                "SHA3-512");
+
+
         /*
          * Algorithm Parameter Generator engines
          */

jdk/src/java.base/share/classes/sun/security/provider/certpath/OCSPNonceExtension.java

@@ -51,7 +51,7 @@ public final class OCSPNonceExtension extends Extension {
     private byte[] nonceData = null;
 
     /**
-     * Create a {@code OCSPNonceExtension} by providing the nonce length.
+     * Create an {@code OCSPNonceExtension} by providing the nonce length.
      * The criticality is set to false, and the OID for the extension will
      * be the value defined by "id-pkix-ocsp-nonce" from RFC 6960.
      *
@@ -66,7 +66,7 @@ public final class OCSPNonceExtension extends Extension {
     }
 
     /**
-     * Create a {@code OCSPNonceExtension} by providing the nonce length and
+     * Create an {@code OCSPNonceExtension} by providing the nonce length and
      * criticality setting.  The OID for the extension will
      * be the value defined by "id-pkix-ocsp-nonce" from RFC 6960.
      *
@@ -96,7 +96,7 @@ public final class OCSPNonceExtension extends Extension {
     }
 
     /**
-     * Create a {@code OCSPNonceExtension} by providing a nonce value.
+     * Create an {@code OCSPNonceExtension} by providing a nonce value.
      * The criticality is set to false, and the OID for the extension will
      * be the value defined by "id-pkix-ocsp-nonce" from RFC 6960.
      *
@@ -114,7 +114,7 @@ public final class OCSPNonceExtension extends Extension {
     }
 
     /**
-     * Create a {@code OCSPNonceExtension} by providing a nonce value and
+     * Create an {@code OCSPNonceExtension} by providing a nonce value and
      * criticality setting.  The OID for the extension will
      * be the value defined by "id-pkix-ocsp-nonce" from RFC 6960.
      *

jdk/src/java.base/share/classes/sun/security/ssl/HandshakeHash.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -108,7 +108,7 @@ final class HandshakeHash {
      * a hash for the certificate verify message is required.
      */
     HandshakeHash(boolean needCertificateVerify) {
-        clonesNeeded = needCertificateVerify ? 3 : 2;
+        clonesNeeded = needCertificateVerify ? 4 : 3;
     }
 
     void reserve(ByteBuffer input) {

jdk/src/java.base/share/classes/sun/security/ssl/SSLSocketInputRecord.java

@@ -123,7 +123,7 @@ final class SSLSocketInputRecord extends InputRecord implements SSLRecord {
                  */
                 //
                 // Short header is using here.  We reverse the code here
-                // in case it it used in the future.
+                // in case it is used in the future.
                 //
                 // int mask = (isShort ? 0x7F : 0x3F);
                 // len = ((byteZero & mask) << 8) +

jdk/src/java.base/share/classes/sun/security/x509/AlgorithmId.java

@@ -552,58 +552,61 @@ public class AlgorithmId implements Serializable, DerEncoder {
             return AlgorithmId.sha512WithECDSA_oid;
         }
 
-        // See if any of the installed providers supply a mapping from
+        return oidTable().get(name.toUpperCase(Locale.ENGLISH));
-        // the given algorithm name to an OID string
-        String oidString;
-        if (!initOidTable) {
-            Provider[] provs = Security.getProviders();
-            for (int i=0; i<provs.length; i++) {
-                for (Enumeration<Object> enum_ = provs[i].keys();
-                     enum_.hasMoreElements(); ) {
-                    String alias = (String)enum_.nextElement();
-                    String upperCaseAlias = alias.toUpperCase(Locale.ENGLISH);
-                    int index;
-                    if (upperCaseAlias.startsWith("ALG.ALIAS") &&
-                            (index=upperCaseAlias.indexOf("OID.", 0)) != -1) {
-                        index += "OID.".length();
-                        if (index == alias.length()) {
-                            // invalid alias entry
-                            break;
-                        }
-                        if (oidTable == null) {
-                            oidTable = new HashMap<>();
-                        }
-                        oidString = alias.substring(index);
-                        String stdAlgName = provs[i].getProperty(alias);
-                        if (stdAlgName != null) {
-                            stdAlgName = stdAlgName.toUpperCase(Locale.ENGLISH);
-                        }
-                        if (stdAlgName != null &&
-                                oidTable.get(stdAlgName) == null) {
-                            oidTable.put(stdAlgName,
-                                         new ObjectIdentifier(oidString));
-                        }
-                    }
-                }
-            }
-
-            if (oidTable == null) {
-                oidTable = Collections.<String,ObjectIdentifier>emptyMap();
-            }
-            initOidTable = true;
-        }
-
-        return oidTable.get(name.toUpperCase(Locale.ENGLISH));
     }
 
     private static ObjectIdentifier oid(int ... values) {
         return ObjectIdentifier.newInternal(values);
     }
 
-    private static boolean initOidTable = false;
+    private static volatile Map<String,ObjectIdentifier> oidTable;
-    private static Map<String,ObjectIdentifier> oidTable;
     private static final Map<ObjectIdentifier,String> nameTable;
 
+    /** Returns the oidTable, lazily initializing it on first access. */
+    private static Map<String,ObjectIdentifier> oidTable()
+        throws IOException {
+        // Double checked locking; safe because oidTable is volatile
+        Map<String,ObjectIdentifier> tab;
+        if ((tab = oidTable) == null) {
+            synchronized (AlgorithmId.class) {
+                if ((tab = oidTable) == null)
+                    oidTable = tab = computeOidTable();
+            }
+        }
+        return tab;
+    }
+
+    /** Collects the algorithm names from the installed providers. */
+    private static HashMap<String,ObjectIdentifier> computeOidTable()
+        throws IOException {
+        HashMap<String,ObjectIdentifier> tab = new HashMap<>();
+        for (Provider provider : Security.getProviders()) {
+            for (Object key : provider.keySet()) {
+                String alias = (String)key;
+                String upperCaseAlias = alias.toUpperCase(Locale.ENGLISH);
+                int index;
+                if (upperCaseAlias.startsWith("ALG.ALIAS") &&
+                    (index=upperCaseAlias.indexOf("OID.", 0)) != -1) {
+                    index += "OID.".length();
+                    if (index == alias.length()) {
+                        // invalid alias entry
+                        break;
+                    }
+                    String oidString = alias.substring(index);
+                    String stdAlgName = provider.getProperty(alias);
+                    if (stdAlgName != null) {
+                        stdAlgName = stdAlgName.toUpperCase(Locale.ENGLISH);
+                    }
+                    if (stdAlgName != null &&
+                        tab.get(stdAlgName) == null) {
+                        tab.put(stdAlgName, new ObjectIdentifier(oidString));
+                    }
+                }
+            }
+        }
+        return tab;
+    }
+
     /*****************************************************************/
 
     /*

jdk/src/java.base/share/conf/security/java.security

@@ -206,16 +206,15 @@ securerandom.strongAlgorithms=NativePRNGBlocking:SUN,DRBG:SUN
 #     "Hash_DRBG" | "HMAC_DRBG" | "CTR_DRBG"
 #
 #   // The DRBG algorithm name. The "SHA-***" names are for Hash_DRBG and
-#   // HMAC_DRBG, default "SHA-256". "3KeyTDEA" and "AES-***" names are for
+#   // HMAC_DRBG, default "SHA-256". The "AES-***" names are for CTR_DRBG,
-#   // CTR_DRBG, default "AES-128" when using the limited cryptographic
+#   // default "AES-128" when using the limited cryptographic or "AES-256"
-#   // or "AES-256" when using the unlimited.
+#   // when using the unlimited.
 #   algorithm_name:
-#     "SHA-1" | "SHA-224" | "SHA-512/224" | "SHA-256" |
+#     "SHA-224" | "SHA-512/224" | "SHA-256" |
 #     "SHA-512/256" | "SHA-384" | "SHA-512" |
-#     "3KeyTDEA" | "AES-128" | "AES-192" | "AES-256"
+#     "AES-128" | "AES-192" | "AES-256"
 #
-#   // Security strength requested. Default "128", or "112"
+#   // Security strength requested. Default "128"
-#   // if mech_name is CTR_DRBG and algorithm_name is "3KeyTDEA"
 #   strength:
 #     "112" | "128" | "192" | "256"
 #
@@ -234,7 +233,7 @@ securerandom.strongAlgorithms=NativePRNGBlocking:SUN,DRBG:SUN
 #     "use_df" | "no_df"
 #
 # Examples,
-#   securerandom.drbg.config=Hash_DRBG,SHA-1,112,none
+#   securerandom.drbg.config=Hash_DRBG,SHA-224,112,none
 #   securerandom.drbg.config=CTR_DRBG,AES-256,192,pr_and_reseed,use_df
 #
 # The default value is an empty string, which is equivalent to

jdk/src/java.base/share/native/libjava/VM.c

@@ -36,7 +36,7 @@ static JNINativeMethod methods[] = {
 };
 
 JNIEXPORT jobject JNICALL
-Java_jdk_internal_misc_VM_latestUserDefinedLoader(JNIEnv *env, jclass cls) {
+Java_jdk_internal_misc_VM_latestUserDefinedLoader0(JNIEnv *env, jclass cls) {
     return JVM_LatestUserDefinedLoader(env);
 }
 

jdk/src/java.base/unix/classes/sun/security/provider/NativePRNG.java

@@ -469,7 +469,8 @@ public final class NativePRNG extends SecureRandomSpi {
                     try {
                         seedOut.write(seed);
                     } catch (IOException e) {
-                        throw new ProviderException("setSeed() failed", e);
+                        // Ignored. On Mac OS X, /dev/urandom can be opened
+                        // for write, but actual write is not permitted.
                     }
                 }
                 getMixRandom().engineSetSeed(seed);

jdk/src/java.httpclient/share/classes/java/net/http/CharsetToolkit.java

@@ -1,159 +0,0 @@
-/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- */
-package java.net.http;
-
-import java.nio.ByteBuffer;
-import java.nio.CharBuffer;
-import java.nio.charset.CharacterCodingException;
-import java.nio.charset.CharsetDecoder;
-import java.nio.charset.CharsetEncoder;
-import java.nio.charset.CoderResult;
-
-import static java.nio.charset.StandardCharsets.UTF_8;
-
-// The purpose of this class is to separate charset-related tasks from the main
-// WebSocket logic, simplifying where possible.
-//
-//     * Coders hide the differences between coding and flushing stages on the
-//       API level
-//     * Verifier abstracts the way the verification is performed
-//       (spoiler: it's a decoding into a throw-away buffer)
-//
-// Coding methods throw exceptions instead of returning coding result denoting
-// errors, since any kind of handling and recovery is not expected.
-final class CharsetToolkit {
-
-    private CharsetToolkit() { }
-
-    static final class Verifier {
-
-        private final CharsetDecoder decoder = UTF_8.newDecoder();
-        // A buffer used to check validity of UTF-8 byte stream by decoding it.
-        // The contents of this buffer are never used.
-        // The size is arbitrary, though it should probably be chosen from the
-        // performance perspective since it affects the total number of calls to
-        // decoder.decode() and amount of work in each of these calls
-        private final CharBuffer blackHole = CharBuffer.allocate(1024);
-
-        void verify(ByteBuffer in, boolean endOfInput)
-                throws CharacterCodingException {
-            while (true) {
-                // Since decoder.flush() cannot produce an error, it's not
-                // helpful for verification. Therefore this step is skipped.
-                CoderResult r = decoder.decode(in, blackHole, endOfInput);
-                if (r.isOverflow()) {
-                    blackHole.clear();
-                } else if (r.isUnderflow()) {
-                    break;
-                } else if (r.isError()) {
-                    r.throwException();
-                } else {
-                    // Should not happen
-                    throw new InternalError();
-                }
-            }
-        }
-
-        Verifier reset() {
-            decoder.reset();
-            return this;
-        }
-    }
-
-    static final class Encoder {
-
-        private final CharsetEncoder encoder = UTF_8.newEncoder();
-        private boolean coding = true;
-
-        CoderResult encode(CharBuffer in, ByteBuffer out, boolean endOfInput)
-                throws CharacterCodingException {
-
-            if (coding) {
-                CoderResult r = encoder.encode(in, out, endOfInput);
-                if (r.isOverflow()) {
-                    return r;
-                } else if (r.isUnderflow()) {
-                    if (endOfInput) {
-                        coding = false;
-                    } else {
-                        return r;
-                    }
-                } else if (r.isError()) {
-                    r.throwException();
-                } else {
-                    // Should not happen
-                    throw new InternalError();
-                }
-            }
-            assert !coding;
-            return encoder.flush(out);
-        }
-
-        Encoder reset() {
-            coding = true;
-            encoder.reset();
-            return this;
-        }
-    }
-
-    static CharBuffer decode(ByteBuffer in) throws CharacterCodingException {
-        return UTF_8.newDecoder().decode(in);
-    }
-
-    static final class Decoder {
-
-        private final CharsetDecoder decoder = UTF_8.newDecoder();
-        private boolean coding = true; // Either coding or flushing
-
-        CoderResult decode(ByteBuffer in, CharBuffer out, boolean endOfInput)
-                throws CharacterCodingException {
-
-            if (coding) {
-                CoderResult r = decoder.decode(in, out, endOfInput);
-                if (r.isOverflow()) {
-                    return r;
-                } else if (r.isUnderflow()) {
-                    if (endOfInput) {
-                        coding = false;
-                    } else {
-                        return r;
-                    }
-                } else if (r.isError()) {
-                    r.throwException();
-                } else {
-                    // Should not happen
-                    throw new InternalError();
-                }
-            }
-            assert !coding;
-            return decoder.flush(out);
-        }
-
-        Decoder reset() {
-            coding = true;
-            decoder.reset();
-            return this;
-        }
-    }
-}

jdk/src/java.httpclient/share/classes/java/net/http/RawChannel.java

@@ -39,18 +39,22 @@ final class RawChannel implements ByteChannel, GatheringByteChannel {
 
     private final HttpClientImpl client;
     private final HttpConnection connection;
-    private volatile boolean closed;
 
     private interface RawEvent {
 
-        /** must return the selector interest op flags OR'd. */
+        /**
+         * must return the selector interest op flags OR'd.
+         */
         int interestOps();
 
-        /** called when event occurs. */
+        /**
+         * called when event occurs.
+         */
         void handle();
     }
 
-    interface NonBlockingEvent extends RawEvent { }
+    interface NonBlockingEvent extends RawEvent {
+    }
 
     RawChannel(HttpClientImpl client, HttpConnection connection) {
         this.client = client;
@@ -127,12 +131,11 @@ final class RawChannel implements ByteChannel, GatheringByteChannel {
 
     @Override
     public boolean isOpen() {
-        return !closed;
+        return connection.isOpen();
     }
 
     @Override
     public void close() throws IOException {
-        closed = true;
         connection.close();
     }
 

jdk/src/java.httpclient/share/classes/java/net/http/Stream.java

@@ -32,6 +32,9 @@ import java.nio.ByteBuffer;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
 import java.util.function.BiFunction;
 import java.util.function.LongConsumer;
 
@@ -409,13 +412,20 @@ class Stream extends ExchangeImpl {
     @Override
     HttpResponseImpl getResponse() throws IOException {
         try {
-            return getResponseAsync(null).join();
+            if (request.timeval() > 0) {
-        } catch (Throwable e) {
+                return getResponseAsync(null).get(
+                        request.timeval(), TimeUnit.MILLISECONDS);
+            } else {
+                return getResponseAsync(null).join();
+            }
+        } catch (TimeoutException e) {
+            throw new HttpTimeoutException("Response timed out");
+        } catch (InterruptedException | ExecutionException e) {
             Throwable t = e.getCause();
             if (t instanceof IOException) {
                 throw (IOException)t;
             }
-            throw e;
+            throw new IOException(e);
         }
     }
 

jdk/src/java.httpclient/share/classes/java/net/http/WS.java

@@ -0,0 +1,390 @@
+/*
+ * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.io.IOException;
+import java.net.ProtocolException;
+import java.net.http.WSOpeningHandshake.Result;
+import java.nio.ByteBuffer;
+import java.util.Optional;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionStage;
+import java.util.concurrent.Executor;
+import java.util.function.Consumer;
+import java.util.function.Supplier;
+import java.util.stream.Stream;
+
+import static java.lang.System.Logger.Level.ERROR;
+import static java.lang.System.Logger.Level.WARNING;
+import static java.net.http.WSUtils.logger;
+import static java.util.Objects.requireNonNull;
+
+/*
+ * A WebSocket client.
+ *
+ * Consists of two independent parts; a transmitter responsible for sending
+ * messages, and a receiver which notifies the listener of incoming messages.
+ */
+final class WS implements WebSocket {
+
+    private final String subprotocol;
+    private final RawChannel channel;
+    private final WSTransmitter transmitter;
+    private final WSReceiver receiver;
+    private final Listener listener;
+    private final Object stateLock = new Object();
+    private volatile State state = State.CONNECTED;
+    private final CompletableFuture<Void> whenClosed = new CompletableFuture<>();
+
+    static CompletableFuture<WebSocket> newInstanceAsync(WSBuilder b) {
+        CompletableFuture<Result> result = new WSOpeningHandshake(b).performAsync();
+        Listener listener = b.getListener();
+        Executor executor = b.getClient().executorService();
+        return result.thenApply(r -> {
+            WS ws = new WS(listener, r.subprotocol, r.channel, executor);
+            ws.start();
+            return ws;
+        });
+    }
+
+    private WS(Listener listener, String subprotocol, RawChannel channel,
+               Executor executor) {
+        this.listener = wrapListener(listener);
+        this.channel = channel;
+        this.subprotocol = subprotocol;
+        Consumer<Throwable> errorHandler = error -> {
+            if (error == null) {
+                throw new InternalError();
+            }
+            // If the channel is closed, we need to update the state, to denote
+            // there's no point in trying to continue using WebSocket
+            if (!channel.isOpen()) {
+                synchronized (stateLock) {
+                    tryChangeState(State.ERROR);
+                }
+            }
+        };
+        transmitter = new WSTransmitter(executor, channel, errorHandler);
+        receiver = new WSReceiver(this.listener, this, executor, channel);
+    }
+
+    private void start() {
+        receiver.start();
+    }
+
+    @Override
+    public CompletableFuture<Void> sendText(ByteBuffer message, boolean isLast) {
+        throw new UnsupportedOperationException("Not implemented");
+    }
+
+    @Override
+    public CompletableFuture<Void> sendText(CharSequence message, boolean isLast) {
+        requireNonNull(message, "message");
+        synchronized (stateLock) {
+            checkState();
+            return transmitter.sendText(message, isLast);
+        }
+    }
+
+    @Override
+    public CompletableFuture<Void> sendText(Stream<? extends CharSequence> message) {
+        requireNonNull(message, "message");
+        synchronized (stateLock) {
+            checkState();
+            return transmitter.sendText(message);
+        }
+    }
+
+    @Override
+    public CompletableFuture<Void> sendBinary(ByteBuffer message, boolean isLast) {
+        requireNonNull(message, "message");
+        synchronized (stateLock) {
+            checkState();
+            return transmitter.sendBinary(message, isLast);
+        }
+    }
+
+    @Override
+    public CompletableFuture<Void> sendPing(ByteBuffer message) {
+        requireNonNull(message, "message");
+        synchronized (stateLock) {
+            checkState();
+            return transmitter.sendPing(message);
+        }
+    }
+
+    @Override
+    public CompletableFuture<Void> sendPong(ByteBuffer message) {
+        requireNonNull(message, "message");
+        synchronized (stateLock) {
+            checkState();
+            return transmitter.sendPong(message);
+        }
+    }
+
+    @Override
+    public CompletableFuture<Void> sendClose(CloseCode code, CharSequence reason) {
+        requireNonNull(code, "code");
+        requireNonNull(reason, "reason");
+        synchronized (stateLock) {
+            return doSendClose(() -> transmitter.sendClose(code, reason));
+        }
+    }
+
+    @Override
+    public CompletableFuture<Void> sendClose() {
+        synchronized (stateLock) {
+            return doSendClose(() -> transmitter.sendClose());
+        }
+    }
+
+    private CompletableFuture<Void> doSendClose(Supplier<CompletableFuture<Void>> s) {
+        checkState();
+        boolean closeChannel = false;
+        synchronized (stateLock) {
+            if (state == State.CLOSED_REMOTELY) {
+                closeChannel = tryChangeState(State.CLOSED);
+            } else {
+                tryChangeState(State.CLOSED_LOCALLY);
+            }
+        }
+        CompletableFuture<Void> sent = s.get();
+        if (closeChannel) {
+            sent.whenComplete((v, t) -> {
+                try {
+                    channel.close();
+                } catch (IOException e) {
+                    logger.log(ERROR, "Error transitioning to state " + State.CLOSED, e);
+                }
+            });
+        }
+        return sent;
+    }
+
+    @Override
+    public long request(long n) {
+        if (n < 0L) {
+            throw new IllegalArgumentException("The number must not be negative: " + n);
+        }
+        return receiver.request(n);
+    }
+
+    @Override
+    public String getSubprotocol() {
+        return subprotocol;
+    }
+
+    @Override
+    public boolean isClosed() {
+        return state.isTerminal();
+    }
+
+    @Override
+    public void abort() throws IOException {
+        synchronized (stateLock) {
+            tryChangeState(State.ABORTED);
+        }
+        channel.close();
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + "[" + state + "]";
+    }
+
+    private void checkState() {
+        if (state.isTerminal() || state == State.CLOSED_LOCALLY) {
+            throw new IllegalStateException("WebSocket is closed [" + state + "]");
+        }
+    }
+
+    /*
+     * Wraps the user's listener passed to the constructor into own listener to
+     * intercept transitions to terminal states (onClose and onError) and to act
+     * upon exceptions and values from the user's listener.
+     */
+    private Listener wrapListener(Listener listener) {
+        return new Listener() {
+
+            // Listener's method MUST be invoked in a happen-before order
+            private final Object visibilityLock = new Object();
+
+            @Override
+            public void onOpen(WebSocket webSocket) {
+                synchronized (visibilityLock) {
+                    listener.onOpen(webSocket);
+                }
+            }
+
+            @Override
+            public CompletionStage<?> onText(WebSocket webSocket, Text message,
+                                             MessagePart part) {
+                synchronized (visibilityLock) {
+                    return listener.onText(webSocket, message, part);
+                }
+            }
+
+            @Override
+            public CompletionStage<?> onBinary(WebSocket webSocket, ByteBuffer message,
+                                               MessagePart part) {
+                synchronized (visibilityLock) {
+                    return listener.onBinary(webSocket, message, part);
+                }
+            }
+
+            @Override
+            public CompletionStage<?> onPing(WebSocket webSocket, ByteBuffer message) {
+                synchronized (visibilityLock) {
+                    return listener.onPing(webSocket, message);
+                }
+            }
+
+            @Override
+            public CompletionStage<?> onPong(WebSocket webSocket, ByteBuffer message) {
+                synchronized (visibilityLock) {
+                    return listener.onPong(webSocket, message);
+                }
+            }
+
+            @Override
+            public void onClose(WebSocket webSocket, Optional<CloseCode> code, String reason) {
+                synchronized (stateLock) {
+                    if (state == State.CLOSED_REMOTELY || state.isTerminal()) {
+                        throw new InternalError("Unexpected onClose in state " + state);
+                    } else if (state == State.CLOSED_LOCALLY) {
+                        try {
+                            channel.close();
+                        } catch (IOException e) {
+                            logger.log(ERROR, "Error transitioning to state " + State.CLOSED, e);
+                        }
+                        tryChangeState(State.CLOSED);
+                    } else if (state == State.CONNECTED) {
+                        tryChangeState(State.CLOSED_REMOTELY);
+                    }
+                }
+                synchronized (visibilityLock) {
+                    listener.onClose(webSocket, code, reason);
+                }
+            }
+
+            @Override
+            public void onError(WebSocket webSocket, Throwable error) {
+                // An error doesn't necessarily mean the connection must be
+                // closed automatically
+                if (!channel.isOpen()) {
+                    synchronized (stateLock) {
+                        tryChangeState(State.ERROR);
+                    }
+                } else if (error instanceof ProtocolException
+                        && error.getCause() instanceof WSProtocolException) {
+                    WSProtocolException cause = (WSProtocolException) error.getCause();
+                    logger.log(WARNING, "Failing connection {0}, reason: ''{1}''",
+                            webSocket, cause.getMessage());
+                    CloseCode cc = cause.getCloseCode();
+                    transmitter.sendClose(cc, "").whenComplete((v, t) -> {
+                        synchronized (stateLock) {
+                            tryChangeState(State.ERROR);
+                        }
+                        try {
+                            channel.close();
+                        } catch (IOException e) {
+                            logger.log(ERROR, e);
+                        }
+                    });
+                }
+                synchronized (visibilityLock) {
+                    listener.onError(webSocket, error);
+                }
+            }
+        };
+    }
+
+    private boolean tryChangeState(State newState) {
+        assert Thread.holdsLock(stateLock);
+        if (state.isTerminal()) {
+            return false;
+        }
+        state = newState;
+        if (newState.isTerminal()) {
+            whenClosed.complete(null);
+        }
+        return true;
+    }
+
+    CompletionStage<Void> whenClosed() {
+        return whenClosed;
+    }
+
+    /*
+     * WebSocket connection internal state.
+     */
+    private enum State {
+
+        /*
+         * Initial WebSocket state. The WebSocket is connected (i.e. remains in
+         * this state) unless proven otherwise. For example, by reading or
+         * writing operations on the channel.
+         */
+        CONNECTED,
+
+        /*
+         * A Close message has been received by the client. No more messages
+         * will be received.
+         */
+        CLOSED_REMOTELY,
+
+        /*
+         * A Close message has been sent by the client. No more messages can be
+         * sent.
+         */
+        CLOSED_LOCALLY,
+
+        /*
+         * Close messages has been both sent and received (closing handshake)
+         * and TCP connection closed. Closed _cleanly_ in terms of RFC 6455.
+         */
+        CLOSED,
+
+        /*
+         * The connection has been aborted by the client. Closed not _cleanly_
+         * in terms of RFC 6455.
+         */
+        ABORTED,
+
+        /*
+         * The connection has been terminated due to a protocol or I/O error.
+         * Might happen during sending or receiving.
+         */
+        ERROR;
+
+        /*
+         * Returns `true` if this state is terminal. If WebSocket has transited
+         * to such a state, if remains in it forever.
+         */
+        boolean isTerminal() {
+            return this == CLOSED || this == ABORTED || this == ERROR;
+        }
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSBuilder.java

@@ -0,0 +1,175 @@
+/*
+ * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeSet;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.TimeUnit;
+
+import static java.lang.String.format;
+import static java.util.Objects.requireNonNull;
+
+final class WSBuilder implements WebSocket.Builder {
+
+    private static final Set<String> FORBIDDEN_HEADERS =
+            new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
+
+    static {
+        List<String> headers = List.of("Connection", "Upgrade",
+                "Sec-WebSocket-Accept", "Sec-WebSocket-Extensions",
+                "Sec-WebSocket-Key", "Sec-WebSocket-Protocol",
+                "Sec-WebSocket-Version");
+        FORBIDDEN_HEADERS.addAll(headers);
+    }
+
+    private final URI uri;
+    private final HttpClient client;
+    private final LinkedHashMap<String, List<String>> headers = new LinkedHashMap<>();
+    private final WebSocket.Listener listener;
+    private Collection<String> subprotocols = Collections.emptyList();
+    private long timeout;
+    private TimeUnit timeUnit;
+
+    WSBuilder(URI uri, HttpClient client, WebSocket.Listener listener) {
+        checkURI(requireNonNull(uri, "uri"));
+        requireNonNull(client, "client");
+        requireNonNull(listener, "listener");
+        this.uri = uri;
+        this.listener = listener;
+        this.client = client;
+    }
+
+    @Override
+    public WebSocket.Builder header(String name, String value) {
+        requireNonNull(name, "name");
+        requireNonNull(value, "value");
+        if (FORBIDDEN_HEADERS.contains(name)) {
+            throw new IllegalArgumentException(
+                    format("Header '%s' is used in the WebSocket Protocol", name));
+        }
+        List<String> values = headers.computeIfAbsent(name, n -> new LinkedList<>());
+        values.add(value);
+        return this;
+    }
+
+    @Override
+    public WebSocket.Builder subprotocols(String mostPreferred, String... lesserPreferred) {
+        requireNonNull(mostPreferred, "mostPreferred");
+        requireNonNull(lesserPreferred, "lesserPreferred");
+        this.subprotocols = checkSubprotocols(mostPreferred, lesserPreferred);
+        return this;
+    }
+
+    @Override
+    public WebSocket.Builder connectTimeout(long timeout, TimeUnit unit) {
+        if (timeout < 0) {
+            throw new IllegalArgumentException("Negative timeout: " + timeout);
+        }
+        requireNonNull(unit, "unit");
+        this.timeout = timeout;
+        this.timeUnit = unit;
+        return this;
+    }
+
+    @Override
+    public CompletableFuture<WebSocket> buildAsync() {
+        return WS.newInstanceAsync(this);
+    }
+
+    private static URI checkURI(URI uri) {
+        String s = uri.getScheme();
+        if (!("ws".equalsIgnoreCase(s) || "wss".equalsIgnoreCase(s))) {
+            throw new IllegalArgumentException
+                    ("URI scheme not ws or wss (RFC 6455 3.): " + s);
+        }
+        String fragment = uri.getFragment();
+        if (fragment != null) {
+            throw new IllegalArgumentException(format
+                    ("Fragment not allowed in a WebSocket URI (RFC 6455 3.): '%s'",
+                            fragment));
+        }
+        return uri;
+    }
+
+    URI getUri() { return uri; }
+
+    HttpClient getClient() { return client; }
+
+    Map<String, List<String>> getHeaders() {
+        LinkedHashMap<String, List<String>> copy = new LinkedHashMap<>(headers.size());
+        headers.forEach((name, values) -> copy.put(name, new LinkedList<>(values)));
+        return copy;
+    }
+
+    WebSocket.Listener getListener() { return listener; }
+
+    Collection<String> getSubprotocols() {
+        return new ArrayList<>(subprotocols);
+    }
+
+    long getTimeout() { return timeout; }
+
+    TimeUnit getTimeUnit() { return timeUnit; }
+
+    private static Collection<String> checkSubprotocols(String mostPreferred,
+                                                        String... lesserPreferred) {
+        checkSubprotocolSyntax(mostPreferred, "mostPreferred");
+        LinkedHashSet<String> sp = new LinkedHashSet<>(1 + lesserPreferred.length);
+        sp.add(mostPreferred);
+        for (int i = 0; i < lesserPreferred.length; i++) {
+            String p = lesserPreferred[i];
+            String location = format("lesserPreferred[%s]", i);
+            requireNonNull(p, location);
+            checkSubprotocolSyntax(p, location);
+            if (!sp.add(p)) {
+                throw new IllegalArgumentException(format(
+                        "Duplicate subprotocols (RFC 6455 4.1.): '%s'", p));
+            }
+        }
+        return sp;
+    }
+
+    private static void checkSubprotocolSyntax(String subprotocol, String location) {
+        if (subprotocol.isEmpty()) {
+            throw new IllegalArgumentException
+                    ("Subprotocol name is empty (RFC 6455 4.1.): " + location);
+        }
+        if (!subprotocol.chars().allMatch(c -> 0x21 <= c && c <= 0x7e)) {
+            throw new IllegalArgumentException
+                    ("Subprotocol name contains illegal characters (RFC 6455 4.1.): "
+                            + location);
+        }
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSCharsetToolkit.java

@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ */
+package java.net.http;
+
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.CharacterCodingException;
+import java.nio.charset.CharsetDecoder;
+import java.nio.charset.CharsetEncoder;
+import java.nio.charset.CoderResult;
+import java.nio.charset.CodingErrorAction;
+import java.nio.charset.StandardCharsets;
+
+import static java.lang.System.Logger.Level.WARNING;
+import static java.net.http.WSUtils.EMPTY_BYTE_BUFFER;
+import static java.net.http.WSUtils.logger;
+import static java.nio.charset.StandardCharsets.UTF_8;
+
+/*
+ * A collection of tools for UTF-8 coding.
+ */
+final class WSCharsetToolkit {
+
+    private WSCharsetToolkit() { }
+
+    static final class Encoder {
+
+        private final CharsetEncoder encoder = UTF_8.newEncoder();
+
+        ByteBuffer encode(CharBuffer in) throws CharacterCodingException {
+            return encoder.encode(in);
+        }
+
+        // TODO:
+        // ByteBuffer[] encode(CharBuffer in) throws CharacterCodingException {
+        //     return encoder.encode(in);
+        // }
+    }
+
+    static CharBuffer decode(ByteBuffer in) throws CharacterCodingException {
+        return UTF_8.newDecoder().decode(in);
+    }
+
+    static final class Decoder {
+
+        private final CharsetDecoder decoder = StandardCharsets.UTF_8.newDecoder();
+
+        {
+            decoder.onMalformedInput(CodingErrorAction.REPORT);
+            decoder.onUnmappableCharacter(CodingErrorAction.REPORT);
+        }
+
+        private ByteBuffer leftovers = EMPTY_BYTE_BUFFER;
+
+        WSShared<CharBuffer> decode(WSShared<ByteBuffer> in, boolean endOfInput)
+                throws CharacterCodingException {
+            ByteBuffer b;
+            int rem = leftovers.remaining();
+            if (rem != 0) {
+                // TODO: We won't need this wasteful allocation & copying when
+                // JDK-8155222 has been resolved
+                b = ByteBuffer.allocate(rem + in.remaining());
+                b.put(leftovers).put(in.buffer()).flip();
+            } else {
+                b = in.buffer();
+            }
+            CharBuffer out = CharBuffer.allocate(b.remaining());
+            CoderResult r = decoder.decode(b, out, endOfInput);
+            if (r.isError()) {
+                r.throwException();
+            }
+            if (b.hasRemaining()) {
+                leftovers = ByteBuffer.allocate(b.remaining()).put(b).flip();
+            } else {
+                leftovers = EMPTY_BYTE_BUFFER;
+            }
+            // Since it's UTF-8, the assumption is leftovers.remaining() < 4
+            // (i.e. small). Otherwise a shared buffer should be used
+            if (!(leftovers.remaining() < 4)) {
+                logger.log(WARNING,
+                        "The size of decoding leftovers is greater than expected: {0}",
+                        leftovers.remaining());
+            }
+            b.position(b.limit()); // As if we always read to the end
+            in.dispose();
+            // Decoder promises that in the case of endOfInput == true:
+            // "...any remaining undecoded input will be treated as being
+            // malformed"
+            assert !(endOfInput && leftovers.hasRemaining()) : endOfInput + ", " + leftovers;
+            if (endOfInput) {
+                r = decoder.flush(out);
+                decoder.reset();
+                if (r.isOverflow()) {
+                    // FIXME: for now I know flush() does nothing. But the
+                    // implementation of UTF8 decoder might change. And if now
+                    // flush() is a no-op, it is not guaranteed to remain so in
+                    // the future
+                    throw new InternalError("Not yet implemented");
+                }
+            }
+            out.flip();
+            return WSShared.wrap(out);
+        }
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSDisposable.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General  License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General  License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+interface WSDisposable {
+
+    void dispose();
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSDisposableText.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General  License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General  License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+
+final class WSDisposableText implements WebSocket.Text, WSDisposable {
+
+    private final WSShared<CharBuffer> text;
+
+    WSDisposableText(WSShared<CharBuffer> text) {
+        this.text = text;
+    }
+
+    @Override
+    public int length() {
+        return text.buffer().length();
+    }
+
+    @Override
+    public char charAt(int index) {
+        return text.buffer().charAt(index);
+    }
+
+    @Override
+    public CharSequence subSequence(int start, int end) {
+        return text.buffer().subSequence(start, end);
+    }
+
+    @Override
+    public ByteBuffer asByteBuffer() {
+        throw new UnsupportedOperationException("To be removed from the API");
+    }
+
+    @Override
+    public String toString() {
+        return text.buffer().toString();
+    }
+
+    @Override
+    public void dispose() {
+        text.dispose();
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSFrame.java

@@ -0,0 +1,486 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General  License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General  License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.nio.ByteBuffer;
+
+import static java.lang.String.format;
+import static java.net.http.WSFrame.Opcode.ofCode;
+import static java.net.http.WSUtils.dump;
+
+/*
+ * A collection of utilities for reading, writing, and masking frames.
+ */
+final class WSFrame {
+
+    private WSFrame() { }
+
+    static final int MAX_HEADER_SIZE_BYTES = 2 + 8 + 4;
+
+    enum Opcode {
+
+        CONTINUATION   (0x0),
+        TEXT           (0x1),
+        BINARY         (0x2),
+        NON_CONTROL_0x3(0x3),
+        NON_CONTROL_0x4(0x4),
+        NON_CONTROL_0x5(0x5),
+        NON_CONTROL_0x6(0x6),
+        NON_CONTROL_0x7(0x7),
+        CLOSE          (0x8),
+        PING           (0x9),
+        PONG           (0xA),
+        CONTROL_0xB    (0xB),
+        CONTROL_0xC    (0xC),
+        CONTROL_0xD    (0xD),
+        CONTROL_0xE    (0xE),
+        CONTROL_0xF    (0xF);
+
+        private static final Opcode[] opcodes;
+
+        static {
+            Opcode[] values = values();
+            opcodes = new Opcode[values.length];
+            for (Opcode c : values) {
+                assert opcodes[c.code] == null
+                        : WSUtils.dump(c, c.code, opcodes[c.code]);
+                opcodes[c.code] = c;
+            }
+        }
+
+        private final byte code;
+        private final char shiftedCode;
+        private final String description;
+
+        Opcode(int code) {
+            this.code = (byte) code;
+            this.shiftedCode = (char) (code << 8);
+            this.description = format("%x (%s)", code, name());
+        }
+
+        boolean isControl() {
+            return (code & 0x8) != 0;
+        }
+
+        static Opcode ofCode(int code) {
+            return opcodes[code & 0xF];
+        }
+
+        @Override
+        public String toString() {
+            return description;
+        }
+    }
+
+    /*
+     * A utility to mask payload data.
+     */
+    static final class Masker {
+
+        private final ByteBuffer acc = ByteBuffer.allocate(8);
+        private final int[] maskBytes = new int[4];
+        private int offset;
+        private long maskLong;
+
+        /*
+         * Sets up the mask.
+         */
+        Masker mask(int value) {
+            acc.clear().putInt(value).putInt(value).flip();
+            for (int i = 0; i < maskBytes.length; i++) {
+                maskBytes[i] = acc.get(i);
+            }
+            offset = 0;
+            maskLong = acc.getLong(0);
+            return this;
+        }
+
+        /*
+         * Reads as many bytes as possible from the given input buffer, writing
+         * the resulting masked bytes to the given output buffer.
+         *
+         * src.remaining() <= dst.remaining() // TODO: do we need this restriction?
+         * 'src' and 'dst' can be the same ByteBuffer
+         */
+        Masker applyMask(ByteBuffer src, ByteBuffer dst) {
+            if (src.remaining() > dst.remaining()) {
+                throw new IllegalArgumentException(dump(src, dst));
+            }
+            begin(src, dst);
+            loop(src, dst);
+            end(src, dst);
+            return this;
+        }
+
+        // Applying the remaining of the mask (strictly not more than 3 bytes)
+        // byte-wise
+        private void begin(ByteBuffer src, ByteBuffer dst) {
+            if (offset > 0) {
+                for (int i = src.position(), j = dst.position();
+                     offset < 4 && i <= src.limit() - 1 && j <= dst.limit() - 1;
+                     i++, j++, offset++) {
+                    dst.put(j, (byte) (src.get(i) ^ maskBytes[offset]));
+                    dst.position(j + 1);
+                    src.position(i + 1);
+                }
+                offset &= 3;
+            }
+        }
+
+        private void loop(ByteBuffer src, ByteBuffer dst) {
+            int i = src.position();
+            int j = dst.position();
+            final int srcLim = src.limit() - 8;
+            final int dstLim = dst.limit() - 8;
+            for (; i <= srcLim && j <= dstLim; i += 8, j += 8) {
+                dst.putLong(j, (src.getLong(i) ^ maskLong));
+            }
+            if (i > src.limit()) {
+                src.position(i - 8);
+            } else {
+                src.position(i);
+            }
+            if (j > dst.limit()) {
+                dst.position(j - 8);
+            } else {
+                dst.position(j);
+            }
+        }
+
+        // Applying the mask to the remaining bytes byte-wise (don't make any
+        // assumptions on how many, hopefully not more than 7 for 64bit arch)
+        private void end(ByteBuffer src, ByteBuffer dst) {
+            for (int i = src.position(), j = dst.position();
+                 i <= src.limit() - 1 && j <= dst.limit() - 1;
+                 i++, j++, offset = (offset + 1) & 3) { // offset cycle through 0..3
+                dst.put(j, (byte) (src.get(i) ^ maskBytes[offset]));
+                src.position(i + 1);
+                dst.position(j + 1);
+            }
+        }
+    }
+
+    /*
+     * A builder of frame headers, capable of writing to a given buffer.
+     *
+     * The builder does not enforce any protocol-level rules, it simply writes
+     * a header structure to the buffer. The order of calls to intermediate
+     * methods is not significant.
+     */
+    static final class HeaderBuilder {
+
+        private char firstChar;
+        private long payloadLen;
+        private int maskingKey;
+        private boolean mask;
+
+        HeaderBuilder fin(boolean value) {
+            if (value) {
+                firstChar |=  0b10000000_00000000;
+            } else {
+                firstChar &= ~0b10000000_00000000;
+            }
+            return this;
+        }
+
+        HeaderBuilder rsv1(boolean value) {
+            if (value) {
+                firstChar |=  0b01000000_00000000;
+            } else {
+                firstChar &= ~0b01000000_00000000;
+            }
+            return this;
+        }
+
+        HeaderBuilder rsv2(boolean value) {
+            if (value) {
+                firstChar |=  0b00100000_00000000;
+            } else {
+                firstChar &= ~0b00100000_00000000;
+            }
+            return this;
+        }
+
+        HeaderBuilder rsv3(boolean value) {
+            if (value) {
+                firstChar |=  0b00010000_00000000;
+            } else {
+                firstChar &= ~0b00010000_00000000;
+            }
+            return this;
+        }
+
+        HeaderBuilder opcode(Opcode value) {
+            firstChar = (char) ((firstChar & 0xF0FF) | value.shiftedCode);
+            return this;
+        }
+
+        HeaderBuilder payloadLen(long value) {
+            payloadLen = value;
+            firstChar &= 0b11111111_10000000; // Clear previous payload length leftovers
+            if (payloadLen < 126) {
+                firstChar |= payloadLen;
+            } else if (payloadLen < 65535) {
+                firstChar |= 126;
+            } else {
+                firstChar |= 127;
+            }
+            return this;
+        }
+
+        HeaderBuilder mask(int value) {
+            firstChar |= 0b00000000_10000000;
+            maskingKey = value;
+            mask = true;
+            return this;
+        }
+
+        HeaderBuilder noMask() {
+            firstChar &= ~0b00000000_10000000;
+            mask = false;
+            return this;
+        }
+
+        /*
+         * Writes the header to the given buffer.
+         *
+         * The buffer must have at least MAX_HEADER_SIZE_BYTES remaining. The
+         * buffer's position is incremented by the number of bytes written.
+         */
+        void build(ByteBuffer buffer) {
+            buffer.putChar(firstChar);
+            if (payloadLen >= 126) {
+                if (payloadLen < 65535) {
+                    buffer.putChar((char) payloadLen);
+                } else {
+                    buffer.putLong(payloadLen);
+                }
+            }
+            if (mask) {
+                buffer.putInt(maskingKey);
+            }
+        }
+    }
+
+    /*
+     * A consumer of frame parts.
+     *
+     * Guaranteed to be called in the following order by the Frame.Reader:
+     *
+     *     fin rsv1 rsv2 rsv3 opcode mask payloadLength maskingKey? payloadData+ endFrame
+     */
+    interface Consumer {
+
+        void fin(boolean value);
+
+        void rsv1(boolean value);
+
+        void rsv2(boolean value);
+
+        void rsv3(boolean value);
+
+        void opcode(Opcode value);
+
+        void mask(boolean value);
+
+        void payloadLen(long value);
+
+        void maskingKey(int value);
+
+        /*
+         * Called when a part of the payload is ready to be consumed.
+         *
+         * Though may not yield a complete payload in a single invocation, i.e.
+         *
+         *     data.remaining() < payloadLen
+         *
+         * the sum of `data.remaining()` passed to all invocations of this
+         * method will be equal to 'payloadLen', reported in
+         * `void payloadLen(long value)`
+         *
+         * No unmasking is done.
+         */
+        void payloadData(WSShared<ByteBuffer> data, boolean isLast);
+
+        void endFrame(); // TODO: remove (payloadData(isLast=true)) should be enough
+    }
+
+    /*
+     * A Reader of Frames.
+     *
+     * No protocol-level rules are enforced, only frame structure.
+     */
+    static final class Reader {
+
+        private static final int AWAITING_FIRST_BYTE  =  1;
+        private static final int AWAITING_SECOND_BYTE =  2;
+        private static final int READING_16_LENGTH    =  4;
+        private static final int READING_64_LENGTH    =  8;
+        private static final int READING_MASK         = 16;
+        private static final int READING_PAYLOAD      = 32;
+
+        // A private buffer used to simplify multi-byte integers reading
+        private final ByteBuffer accumulator = ByteBuffer.allocate(8);
+        private int state = AWAITING_FIRST_BYTE;
+        private boolean mask;
+        private long payloadLength;
+
+        /*
+         * Reads at most one frame from the given buffer invoking the consumer's
+         * methods corresponding to the frame elements found.
+         *
+         * As much of the frame's payload, if any, is read. The buffers position
+         * is updated to reflect the number of bytes read.
+         *
+         * Throws WSProtocolException if the frame is malformed.
+         */
+        void readFrame(WSShared<ByteBuffer> shared, Consumer consumer) {
+            ByteBuffer input = shared.buffer();
+            loop:
+            while (true) {
+                byte b;
+                switch (state) {
+                    case AWAITING_FIRST_BYTE:
+                        if (!input.hasRemaining()) {
+                            break loop;
+                        }
+                        b = input.get();
+                        consumer.fin( (b & 0b10000000) != 0);
+                        consumer.rsv1((b & 0b01000000) != 0);
+                        consumer.rsv2((b & 0b00100000) != 0);
+                        consumer.rsv3((b & 0b00010000) != 0);
+                        consumer.opcode(ofCode(b));
+                        state = AWAITING_SECOND_BYTE;
+                        continue loop;
+                    case AWAITING_SECOND_BYTE:
+                        if (!input.hasRemaining()) {
+                            break loop;
+                        }
+                        b = input.get();
+                        consumer.mask(mask = (b & 0b10000000) != 0);
+                        byte p1 = (byte) (b & 0b01111111);
+                        if (p1 < 126) {
+                            assert p1 >= 0 : p1;
+                            consumer.payloadLen(payloadLength = p1);
+                            state = mask ? READING_MASK : READING_PAYLOAD;
+                        } else if (p1 < 127) {
+                            state = READING_16_LENGTH;
+                        } else {
+                            state = READING_64_LENGTH;
+                        }
+                        continue loop;
+                    case READING_16_LENGTH:
+                        if (!input.hasRemaining()) {
+                            break loop;
+                        }
+                        b = input.get();
+                        if (accumulator.put(b).position() < 2) {
+                            continue loop;
+                        }
+                        payloadLength = accumulator.flip().getChar();
+                        if (payloadLength < 126) {
+                            throw notMinimalEncoding(payloadLength, 2);
+                        }
+                        consumer.payloadLen(payloadLength);
+                        accumulator.clear();
+                        state = mask ? READING_MASK : READING_PAYLOAD;
+                        continue loop;
+                    case READING_64_LENGTH:
+                        if (!input.hasRemaining()) {
+                            break loop;
+                        }
+                        b = input.get();
+                        if (accumulator.put(b).position() < 8) {
+                            continue loop;
+                        }
+                        payloadLength = accumulator.flip().getLong();
+                        if (payloadLength < 0) {
+                            throw negativePayload(payloadLength);
+                        } else if (payloadLength < 65535) {
+                            throw notMinimalEncoding(payloadLength, 8);
+                        }
+                        consumer.payloadLen(payloadLength);
+                        accumulator.clear();
+                        state = mask ? READING_MASK : READING_PAYLOAD;
+                        continue loop;
+                    case READING_MASK:
+                        if (!input.hasRemaining()) {
+                            break loop;
+                        }
+                        b = input.get();
+                        if (accumulator.put(b).position() != 4) {
+                            continue loop;
+                        }
+                        consumer.maskingKey(accumulator.flip().getInt());
+                        accumulator.clear();
+                        state = READING_PAYLOAD;
+                        continue loop;
+                    case READING_PAYLOAD:
+                        // This state does not require any bytes to be available
+                        // in the input buffer in order to proceed
+                        boolean fullyRead;
+                        int limit;
+                        if (payloadLength <= input.remaining()) {
+                            limit = input.position() + (int) payloadLength;
+                            payloadLength = 0;
+                            fullyRead = true;
+                        } else {
+                            limit = input.limit();
+                            payloadLength -= input.remaining();
+                            fullyRead = false;
+                        }
+                        // FIXME: consider a case where payloadLen != 0,
+                        // but input.remaining() == 0
+                        //
+                        // There shouldn't be an invocation of payloadData with
+                        // an empty buffer, as it would be an artifact of
+                        // reading
+                        consumer.payloadData(shared.share(input.position(), limit), fullyRead);
+                        // Update the position manually, since reading the
+                        // payload doesn't advance buffer's position
+                        input.position(limit);
+                        if (fullyRead) {
+                            consumer.endFrame();
+                            state = AWAITING_FIRST_BYTE;
+                        }
+                        break loop;
+                    default:
+                        throw new InternalError(String.valueOf(state));
+                }
+            }
+        }
+
+        private static WSProtocolException negativePayload(long payloadLength) {
+            return new WSProtocolException
+                    ("5.2.", format("Negative 64-bit payload length %s", payloadLength));
+        }
+
+        private static WSProtocolException notMinimalEncoding(long payloadLength, int numBytes) {
+            return new WSProtocolException
+                    ("5.2.", format("Payload length (%s) is not encoded with minimal number (%s) of bytes",
+                            payloadLength, numBytes));
+        }
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSFrameConsumer.java

@@ -0,0 +1,289 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.net.http.WSFrame.Opcode;
+import java.net.http.WebSocket.MessagePart;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.CharacterCodingException;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import static java.lang.String.format;
+import static java.lang.System.Logger.Level.TRACE;
+import static java.net.http.WSUtils.dump;
+import static java.net.http.WSUtils.logger;
+import static java.net.http.WebSocket.CloseCode.NOT_CONSISTENT;
+import static java.net.http.WebSocket.CloseCode.of;
+import static java.util.Objects.requireNonNull;
+
+/*
+ * Consumes frame parts and notifies a message consumer, when there is
+ * sufficient data to produce a message, or part thereof.
+ *
+ * Data consumed but not yet translated is accumulated until it's sufficient to
+ * form a message.
+ */
+final class WSFrameConsumer implements WSFrame.Consumer {
+
+    private final AtomicInteger invocationOrder = new AtomicInteger();
+
+    private final WSMessageConsumer output;
+    private final WSCharsetToolkit.Decoder decoder = new WSCharsetToolkit.Decoder();
+    private boolean fin;
+    private Opcode opcode, originatingOpcode;
+    private MessagePart part = MessagePart.WHOLE;
+    private long payloadLen;
+    private WSShared<ByteBuffer> binaryData;
+
+    WSFrameConsumer(WSMessageConsumer output) {
+        this.output = requireNonNull(output);
+    }
+
+    @Override
+    public void fin(boolean value) {
+        assert invocationOrder.compareAndSet(0, 1) : dump(invocationOrder, value);
+        if (logger.isLoggable(TRACE)) {
+            // Checked for being loggable because of autoboxing of 'value'
+            logger.log(TRACE, "Reading fin: {0}", value);
+        }
+        fin = value;
+    }
+
+    @Override
+    public void rsv1(boolean value) {
+        assert invocationOrder.compareAndSet(1, 2) : dump(invocationOrder, value);
+        if (logger.isLoggable(TRACE)) {
+            logger.log(TRACE, "Reading rsv1: {0}", value);
+        }
+        if (value) {
+            throw new WSProtocolException("5.2.", "rsv1 bit is set unexpectedly");
+        }
+    }
+
+    @Override
+    public void rsv2(boolean value) {
+        assert invocationOrder.compareAndSet(2, 3) : dump(invocationOrder, value);
+        if (logger.isLoggable(TRACE)) {
+            logger.log(TRACE, "Reading rsv2: {0}", value);
+        }
+        if (value) {
+            throw new WSProtocolException("5.2.", "rsv2 bit is set unexpectedly");
+        }
+    }
+
+    @Override
+    public void rsv3(boolean value) {
+        assert invocationOrder.compareAndSet(3, 4) : dump(invocationOrder, value);
+        if (logger.isLoggable(TRACE)) {
+            logger.log(TRACE, "Reading rsv3: {0}", value);
+        }
+        if (value) {
+            throw new WSProtocolException("5.2.", "rsv3 bit is set unexpectedly");
+        }
+    }
+
+    @Override
+    public void opcode(Opcode v) {
+        assert invocationOrder.compareAndSet(4, 5) : dump(invocationOrder, v);
+        logger.log(TRACE, "Reading opcode: {0}", v);
+        if (v == Opcode.PING || v == Opcode.PONG || v == Opcode.CLOSE) {
+            if (!fin) {
+                throw new WSProtocolException("5.5.", "A fragmented control frame " + v);
+            }
+            opcode = v;
+        } else if (v == Opcode.TEXT || v == Opcode.BINARY) {
+            if (originatingOpcode != null) {
+                throw new WSProtocolException
+                        ("5.4.", format("An unexpected frame %s (fin=%s)", v, fin));
+            }
+            opcode = v;
+            if (!fin) {
+                originatingOpcode = v;
+            }
+        } else if (v == Opcode.CONTINUATION) {
+            if (originatingOpcode == null) {
+                throw new WSProtocolException
+                        ("5.4.", format("An unexpected frame %s (fin=%s)", v, fin));
+            }
+            opcode = v;
+        } else {
+            throw new WSProtocolException("5.2.", "An unknown opcode " + v);
+        }
+    }
+
+    @Override
+    public void mask(boolean value) {
+        assert invocationOrder.compareAndSet(5, 6) : dump(invocationOrder, value);
+        if (logger.isLoggable(TRACE)) {
+            logger.log(TRACE, "Reading mask: {0}", value);
+        }
+        if (value) {
+            throw new WSProtocolException
+                    ("5.1.", "Received a masked frame from the server");
+        }
+    }
+
+    @Override
+    public void payloadLen(long value) {
+        assert invocationOrder.compareAndSet(6, 7) : dump(invocationOrder, value);
+        if (logger.isLoggable(TRACE)) {
+            logger.log(TRACE, "Reading payloadLen: {0}", value);
+        }
+        if (opcode.isControl()) {
+            if (value > 125) {
+                throw new WSProtocolException
+                        ("5.5.", format("A control frame %s has a payload length of %s",
+                                opcode, value));
+            }
+            assert Opcode.CLOSE.isControl();
+            if (opcode == Opcode.CLOSE && value == 1) {
+                throw new WSProtocolException
+                        ("5.5.1.", "A Close frame's status code is only 1 byte long");
+            }
+        }
+        payloadLen = value;
+    }
+
+    @Override
+    public void maskingKey(int value) {
+        assert false : dump(invocationOrder, value);
+    }
+
+    @Override
+    public void payloadData(WSShared<ByteBuffer> data, boolean isLast) {
+        assert invocationOrder.compareAndSet(7, isLast ? 8 : 7)
+                : dump(invocationOrder, data, isLast);
+        if (logger.isLoggable(TRACE)) {
+            logger.log(TRACE, "Reading payloadData: data={0}, isLast={1}", data, isLast);
+        }
+        if (opcode.isControl()) {
+            if (binaryData != null) {
+                binaryData.put(data);
+                data.dispose();
+            } else if (!isLast) {
+                // The first chunk of the message
+                int remaining = data.remaining();
+                // It shouldn't be 125, otherwise the next chunk will be of size
+                // 0, which is not what Reader promises to deliver (eager
+                // reading)
+                assert remaining < 125 : dump(remaining);
+                WSShared<ByteBuffer> b = WSShared.wrap(ByteBuffer.allocate(125)).put(data);
+                data.dispose();
+                binaryData = b; // Will be disposed by the user
+            } else {
+                // The only chunk; will be disposed by the user
+                binaryData = data.position(data.limit()); // FIXME: remove this hack
+            }
+        } else {
+            part = determinePart(isLast);
+            boolean text = opcode == Opcode.TEXT || originatingOpcode == Opcode.TEXT;
+            if (!text) {
+                output.onBinary(part, data);
+            } else {
+                boolean binaryNonEmpty = data.hasRemaining();
+                WSShared<CharBuffer> textData;
+                try {
+                    textData = decoder.decode(data, part.isLast());
+                } catch (CharacterCodingException e) {
+                    throw new WSProtocolException
+                            ("5.6.", "Invalid UTF-8 sequence in frame " + opcode, NOT_CONSISTENT, e);
+                }
+                if (!(binaryNonEmpty && !textData.hasRemaining())) {
+                    // If there's a binary data, that result in no text, then we
+                    // don't deliver anything
+                    output.onText(part, new WSDisposableText(textData));
+                }
+            }
+        }
+    }
+
+    @Override
+    public void endFrame() {
+        assert invocationOrder.compareAndSet(8, 0) : dump(invocationOrder);
+        if (opcode.isControl()) {
+            binaryData.flip();
+        }
+        switch (opcode) {
+            case CLOSE:
+                WebSocket.CloseCode cc;
+                String reason;
+                if (payloadLen == 0) {
+                    cc = null;
+                    reason = "";
+                } else {
+                    ByteBuffer b = binaryData.buffer();
+                    int len = b.remaining();
+                    assert 2 <= len && len <= 125 : dump(len, payloadLen);
+                    try {
+                        cc = of(b.getChar());
+                        reason = WSCharsetToolkit.decode(b).toString();
+                    } catch (IllegalArgumentException e) {
+                        throw new WSProtocolException
+                                ("5.5.1", "Incorrect status code", e);
+                    } catch (CharacterCodingException e) {
+                        throw new WSProtocolException
+                                ("5.5.1", "Close reason is a malformed UTF-8 sequence", e);
+                    }
+                }
+                binaryData.dispose(); // Manual dispose
+                output.onClose(cc, reason);
+                break;
+            case PING:
+                output.onPing(binaryData);
+                binaryData = null;
+                break;
+            case PONG:
+                output.onPong(binaryData);
+                binaryData = null;
+                break;
+            default:
+                assert opcode == Opcode.TEXT || opcode == Opcode.BINARY
+                        || opcode == Opcode.CONTINUATION : dump(opcode);
+                if (fin) {
+                    // It is always the last chunk:
+                    // either TEXT(FIN=TRUE)/BINARY(FIN=TRUE) or CONT(FIN=TRUE)
+                    originatingOpcode = null;
+                }
+                break;
+        }
+        payloadLen = 0;
+        opcode = null;
+    }
+
+    private MessagePart determinePart(boolean isLast) {
+        boolean lastChunk = fin && isLast;
+        switch (part) {
+            case LAST:
+            case WHOLE:
+                return lastChunk ? MessagePart.WHOLE : MessagePart.FIRST;
+            case FIRST:
+            case PART:
+                return lastChunk ? MessagePart.LAST : MessagePart.PART;
+            default:
+                throw new InternalError(String.valueOf(part));
+        }
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSMessageConsumer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -22,18 +22,21 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
-package sun.rmi.transport.proxy;
+package java.net.http;
 
-/**
+import java.net.http.WebSocket.CloseCode;
- * RMISocketInfo is an interface that extensions of the java.net.Socket
+import java.net.http.WebSocket.MessagePart;
- * class may use to provide more information on its capabilities.
+import java.nio.ByteBuffer;
- */
-public interface RMISocketInfo {
 
-    /**
+interface WSMessageConsumer {
-     * Return true if this socket can be used for more than one
+
-     * RMI call.  If a socket does not implement this interface, then
+    void onText(MessagePart part, WSDisposableText data);
-     * it is assumed to be reusable.
+
-     */
+    void onBinary(MessagePart part, WSShared<ByteBuffer> data);
-    public boolean isReusable();
+
+    void onPing(WSShared<ByteBuffer> data);
+
+    void onPong(WSShared<ByteBuffer> data);
+
+    void onClose(CloseCode code, CharSequence reason);
 }

jdk/src/java.httpclient/share/classes/java/net/http/WSMessageSender.java

@@ -0,0 +1,189 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General  License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General  License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.net.http.WSFrame.HeaderBuilder;
+import java.net.http.WSFrame.Masker;
+import java.net.http.WSOutgoingMessage.Binary;
+import java.net.http.WSOutgoingMessage.Close;
+import java.net.http.WSOutgoingMessage.Ping;
+import java.net.http.WSOutgoingMessage.Pong;
+import java.net.http.WSOutgoingMessage.StreamedText;
+import java.net.http.WSOutgoingMessage.Text;
+import java.net.http.WSOutgoingMessage.Visitor;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.CharacterCodingException;
+import java.security.SecureRandom;
+import java.util.function.Consumer;
+
+import static java.net.http.WSFrame.MAX_HEADER_SIZE_BYTES;
+import static java.net.http.WSFrame.Opcode.BINARY;
+import static java.net.http.WSFrame.Opcode.CLOSE;
+import static java.net.http.WSFrame.Opcode.CONTINUATION;
+import static java.net.http.WSFrame.Opcode.PING;
+import static java.net.http.WSFrame.Opcode.PONG;
+import static java.net.http.WSFrame.Opcode.TEXT;
+import static java.util.Objects.requireNonNull;
+
+/*
+ * A Sender of outgoing messages.  Given a message,
+ *
+ *     1) constructs the frame
+ *     2) initiates the channel write
+ *     3) notifies when the message has been sent
+ */
+final class WSMessageSender {
+
+    private final Visitor frameBuilderVisitor;
+    private final Consumer<Throwable> completionEventConsumer;
+    private final WSWriter writer;
+    private final ByteBuffer[] buffers = new ByteBuffer[2];
+
+    WSMessageSender(RawChannel channel, Consumer<Throwable> completionEventConsumer) {
+        // Single reusable buffer that holds a header
+        this.buffers[0] = ByteBuffer.allocateDirect(MAX_HEADER_SIZE_BYTES);
+        this.frameBuilderVisitor = new FrameBuilderVisitor();
+        this.completionEventConsumer = completionEventConsumer;
+        this.writer = new WSWriter(channel, this.completionEventConsumer);
+    }
+
+    /*
+     * Tries to send the given message fully. Invoked once per message.
+     */
+    boolean trySendFully(WSOutgoingMessage m) {
+        requireNonNull(m);
+        synchronized (this) {
+            try {
+                return sendNow(m);
+            } catch (Exception e) {
+                completionEventConsumer.accept(e);
+                return false;
+            }
+        }
+    }
+
+    private boolean sendNow(WSOutgoingMessage m) {
+        buffers[0].clear();
+        m.accept(frameBuilderVisitor);
+        buffers[0].flip();
+        return writer.tryWriteFully(buffers);
+    }
+
+    /*
+     * Builds and initiates a write of a frame, from a given message.
+     */
+    class FrameBuilderVisitor implements Visitor {
+
+        private final SecureRandom random = new SecureRandom();
+        private final WSCharsetToolkit.Encoder encoder = new WSCharsetToolkit.Encoder();
+        private final Masker masker = new Masker();
+        private final HeaderBuilder headerBuilder = new HeaderBuilder();
+        private boolean previousIsLast = true;
+
+        @Override
+        public void visit(Text message) {
+            try {
+                buffers[1] = encoder.encode(CharBuffer.wrap(message.characters));
+            } catch (CharacterCodingException e) {
+                completionEventConsumer.accept(e);
+                return;
+            }
+            int mask = random.nextInt();
+            maskAndRewind(buffers[1], mask);
+            headerBuilder
+                    .fin(message.isLast)
+                    .opcode(previousIsLast ? TEXT : CONTINUATION)
+                    .payloadLen(buffers[1].remaining())
+                    .mask(mask)
+                    .build(buffers[0]);
+            previousIsLast = message.isLast;
+        }
+
+        @Override
+        public void visit(StreamedText streamedText) {
+            throw new IllegalArgumentException("Not yet implemented");
+        }
+
+        @Override
+        public void visit(Binary message) {
+            buffers[1] = message.bytes;
+            int mask = random.nextInt();
+            maskAndRewind(buffers[1], mask);
+            headerBuilder
+                    .fin(message.isLast)
+                    .opcode(previousIsLast ? BINARY : CONTINUATION)
+                    .payloadLen(message.bytes.remaining())
+                    .mask(mask)
+                    .build(buffers[0]);
+            previousIsLast = message.isLast;
+        }
+
+        @Override
+        public void visit(Ping message) {
+            buffers[1] = message.bytes;
+            int mask = random.nextInt();
+            maskAndRewind(buffers[1], mask);
+            headerBuilder
+                    .fin(true)
+                    .opcode(PING)
+                    .payloadLen(message.bytes.remaining())
+                    .mask(mask)
+                    .build(buffers[0]);
+        }
+
+        @Override
+        public void visit(Pong message) {
+            buffers[1] = message.bytes;
+            int mask = random.nextInt();
+            maskAndRewind(buffers[1], mask);
+            headerBuilder
+                    .fin(true)
+                    .opcode(PONG)
+                    .payloadLen(message.bytes.remaining())
+                    .mask(mask)
+                    .build(buffers[0]);
+        }
+
+        @Override
+        public void visit(Close message) {
+            buffers[1] = message.bytes;
+            int mask = random.nextInt();
+            maskAndRewind(buffers[1], mask);
+            headerBuilder
+                    .fin(true)
+                    .opcode(CLOSE)
+                    .payloadLen(buffers[1].remaining())
+                    .mask(mask)
+                    .build(buffers[0]);
+        }
+
+        private void maskAndRewind(ByteBuffer b, int mask) {
+            int oldPos = b.position();
+            masker.mask(mask).applyMask(b, b);
+            b.position(oldPos);
+        }
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSOpeningHandshake.java

@@ -0,0 +1,268 @@
+/*
+ * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.util.Arrays;
+import java.util.Base64;
+import java.util.Collection;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.function.Predicate;
+import java.util.stream.Collectors;
+
+import static java.lang.String.format;
+import static java.lang.System.Logger.Level.TRACE;
+import static java.net.http.WSUtils.logger;
+import static java.net.http.WSUtils.webSocketSpecViolation;
+
+final class WSOpeningHandshake {
+
+    private static final String HEADER_CONNECTION = "Connection";
+    private static final String HEADER_UPGRADE = "Upgrade";
+    private static final String HEADER_ACCEPT = "Sec-WebSocket-Accept";
+    private static final String HEADER_EXTENSIONS = "Sec-WebSocket-Extensions";
+    private static final String HEADER_KEY = "Sec-WebSocket-Key";
+    private static final String HEADER_PROTOCOL = "Sec-WebSocket-Protocol";
+    private static final String HEADER_VERSION = "Sec-WebSocket-Version";
+    private static final String VALUE_VERSION = "13"; // WebSocket's lucky number
+
+    private static final SecureRandom srandom = new SecureRandom();
+
+    private final MessageDigest sha1;
+
+    {
+        try {
+            sha1 = MessageDigest.getInstance("SHA-1");
+        } catch (NoSuchAlgorithmException e) {
+            // Shouldn't happen:
+            // SHA-1 must be available in every Java platform implementation
+            throw new InternalError("Minimum platform requirements are not met", e);
+        }
+    }
+
+    private final HttpRequest request;
+    private final Collection<String> subprotocols;
+    private final String nonce;
+
+    WSOpeningHandshake(WSBuilder b) {
+        URI httpURI = createHttpUri(b.getUri());
+        HttpRequest.Builder requestBuilder = b.getClient().request(httpURI);
+        if (b.getTimeUnit() != null) {
+            requestBuilder.timeout(b.getTimeUnit(), b.getTimeout());
+        }
+        Collection<String> s = b.getSubprotocols();
+        if (!s.isEmpty()) {
+            String p = s.stream().collect(Collectors.joining(", "));
+            requestBuilder.header(HEADER_PROTOCOL, p);
+        }
+        requestBuilder.header(HEADER_VERSION, VALUE_VERSION);
+        this.nonce = createNonce();
+        requestBuilder.header(HEADER_KEY, this.nonce);
+        this.request = requestBuilder.GET();
+        HttpRequestImpl r = (HttpRequestImpl) this.request;
+        r.isWebSocket(true);
+        r.setSystemHeader(HEADER_UPGRADE, "websocket");
+        r.setSystemHeader(HEADER_CONNECTION, "Upgrade");
+        this.subprotocols = s;
+    }
+
+    private URI createHttpUri(URI webSocketUri) {
+        // FIXME: check permission for WebSocket URI and translate it into http/https permission
+        logger.log(TRACE, "->createHttpUri(''{0}'')", webSocketUri);
+        String httpScheme = webSocketUri.getScheme().equalsIgnoreCase("ws")
+                ? "http"
+                : "https";
+        try {
+            URI uri = new URI(httpScheme,
+                    webSocketUri.getUserInfo(),
+                    webSocketUri.getHost(),
+                    webSocketUri.getPort(),
+                    webSocketUri.getPath(),
+                    webSocketUri.getQuery(),
+                    null);
+            logger.log(TRACE, "<-createHttpUri: ''{0}''", uri);
+            return uri;
+        } catch (URISyntaxException e) {
+            // Shouldn't happen: URI invariant
+            throw new InternalError("Error translating WebSocket URI to HTTP URI", e);
+        }
+    }
+
+    CompletableFuture<Result> performAsync() {
+        // The whole dancing with thenCompose instead of thenApply is because
+        // WebSocketHandshakeException is a checked exception
+        return request.responseAsync()
+                .thenCompose(response -> {
+                    try {
+                        Result result = handleResponse(response);
+                        return CompletableFuture.completedFuture(result);
+                    } catch (WebSocketHandshakeException e) {
+                        return CompletableFuture.failedFuture(e);
+                    }
+                });
+    }
+
+    private Result handleResponse(HttpResponse response) throws WebSocketHandshakeException {
+        // By this point all redirects, authentications, etc. (if any) must have
+        // been done by the httpClient used by the WebSocket; so only 101 is
+        // expected
+        int statusCode = response.statusCode();
+        if (statusCode != 101) {
+            String m = webSocketSpecViolation("1.3.",
+                    "Unable to complete handshake; HTTP response status code "
+                            + statusCode
+            );
+            throw new WebSocketHandshakeException(m, response);
+        }
+        HttpHeaders h = response.headers();
+        checkHeader(h, response, HEADER_UPGRADE, v -> v.equalsIgnoreCase("websocket"));
+        checkHeader(h, response, HEADER_CONNECTION, v -> v.equalsIgnoreCase("Upgrade"));
+        checkVersion(response, h);
+        checkAccept(response, h);
+        checkExtensions(response, h);
+        String subprotocol = checkAndReturnSubprotocol(response, h);
+        RawChannel channel = ((HttpResponseImpl) response).rawChannel();
+        return new Result(subprotocol, channel);
+    }
+
+    private void checkExtensions(HttpResponse response, HttpHeaders headers)
+            throws WebSocketHandshakeException {
+        List<String> ext = headers.allValues(HEADER_EXTENSIONS);
+        if (!ext.isEmpty()) {
+            String m = webSocketSpecViolation("4.1.",
+                    "Server responded with extension(s) though none were requested "
+                            + Arrays.toString(ext.toArray())
+            );
+            throw new WebSocketHandshakeException(m, response);
+        }
+    }
+
+    private String checkAndReturnSubprotocol(HttpResponse response, HttpHeaders headers)
+            throws WebSocketHandshakeException {
+        assert response.statusCode() == 101 : response.statusCode();
+        List<String> sp = headers.allValues(HEADER_PROTOCOL);
+        int size = sp.size();
+        if (size == 0) {
+            // In this case the subprotocol requested (if any) by the client
+            // doesn't matter. If there is no such header in the response, then
+            // the server doesn't want to use any subprotocol
+            return null;
+        } else if (size > 1) {
+            // We don't know anything about toString implementation of this
+            // list, so let's create an array
+            String m = webSocketSpecViolation("4.1.",
+                    "Server responded with multiple subprotocols: "
+                            + Arrays.toString(sp.toArray())
+            );
+            throw new WebSocketHandshakeException(m, response);
+        } else {
+            String selectedSubprotocol = sp.get(0);
+            if (this.subprotocols.contains(selectedSubprotocol)) {
+                return selectedSubprotocol;
+            } else {
+                String m = webSocketSpecViolation("4.1.",
+                        format("Server responded with a subprotocol " +
+                                        "not among those requested: '%s'",
+                                selectedSubprotocol));
+                throw new WebSocketHandshakeException(m, response);
+            }
+        }
+    }
+
+    private void checkAccept(HttpResponse response, HttpHeaders headers)
+            throws WebSocketHandshakeException {
+        assert response.statusCode() == 101 : response.statusCode();
+        String x = nonce + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
+        sha1.update(x.getBytes(StandardCharsets.ISO_8859_1));
+        String expected = Base64.getEncoder().encodeToString(sha1.digest());
+        checkHeader(headers, response, HEADER_ACCEPT, actual -> actual.trim().equals(expected));
+    }
+
+    private void checkVersion(HttpResponse response, HttpHeaders headers)
+            throws WebSocketHandshakeException {
+        assert response.statusCode() == 101 : response.statusCode();
+        List<String> versions = headers.allValues(HEADER_VERSION);
+        if (versions.isEmpty()) { // That's normal and expected
+            return;
+        }
+        String m = webSocketSpecViolation("4.4.",
+                "Server responded with version(s) "
+                        + Arrays.toString(versions.toArray()));
+        throw new WebSocketHandshakeException(m, response);
+    }
+
+    //
+    // Checks whether there's only one value for the header with the given name
+    // and the value satisfies the predicate.
+    //
+    private static void checkHeader(HttpHeaders headers,
+                                    HttpResponse response,
+                                    String headerName,
+                                    Predicate<? super String> valuePredicate)
+            throws WebSocketHandshakeException {
+        assert response.statusCode() == 101 : response.statusCode();
+        List<String> values = headers.allValues(headerName);
+        if (values.isEmpty()) {
+            String m = webSocketSpecViolation("4.1.",
+                    format("Server response field '%s' is missing", headerName)
+            );
+            throw new WebSocketHandshakeException(m, response);
+        } else if (values.size() > 1) {
+            String m = webSocketSpecViolation("4.1.",
+                    format("Server response field '%s' has multiple values", headerName)
+            );
+            throw new WebSocketHandshakeException(m, response);
+        }
+        if (!valuePredicate.test(values.get(0))) {
+            String m = webSocketSpecViolation("4.1.",
+                    format("Server response field '%s' is incorrect", headerName)
+            );
+            throw new WebSocketHandshakeException(m, response);
+        }
+    }
+
+    private static String createNonce() {
+        byte[] bytes = new byte[16];
+        srandom.nextBytes(bytes);
+        return Base64.getEncoder().encodeToString(bytes);
+    }
+
+    static final class Result {
+
+        final String subprotocol;
+        final RawChannel channel;
+
+        private Result(String subprotocol, RawChannel channel) {
+            this.subprotocol = subprotocol;
+            this.channel = channel;
+        }
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSOutgoingMessage.java

@@ -0,0 +1,164 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General  License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General  License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.nio.ByteBuffer;
+import java.util.stream.Stream;
+
+abstract class WSOutgoingMessage {
+
+    interface Visitor {
+        void visit(Text message);
+        void visit(StreamedText message);
+        void visit(Binary message);
+        void visit(Ping message);
+        void visit(Pong message);
+        void visit(Close message);
+    }
+
+    abstract void accept(Visitor visitor);
+
+    private WSOutgoingMessage() { }
+
+    static final class Text extends WSOutgoingMessage {
+
+        public final boolean isLast;
+        public final CharSequence characters;
+
+        Text(boolean isLast, CharSequence characters) {
+            this.isLast = isLast;
+            this.characters = characters;
+        }
+
+        @Override
+        void accept(Visitor visitor) {
+            visitor.visit(this);
+        }
+
+        @Override
+        public String toString() {
+            return WSUtils.toStringSimple(this) + "[isLast=" + isLast
+                    + ", characters=" + WSUtils.toString(characters) + "]";
+        }
+    }
+
+    static final class StreamedText extends WSOutgoingMessage {
+
+        public final Stream<? extends CharSequence> characters;
+
+        StreamedText(Stream<? extends CharSequence> characters) {
+            this.characters = characters;
+        }
+
+        @Override
+        void accept(Visitor visitor) {
+            visitor.visit(this);
+        }
+
+        @Override
+        public String toString() {
+            return WSUtils.toStringSimple(this) + "[characters=" + characters + "]";
+        }
+    }
+
+    static final class Binary extends WSOutgoingMessage {
+
+        public final boolean isLast;
+        public final ByteBuffer bytes;
+
+        Binary(boolean isLast, ByteBuffer bytes) {
+            this.isLast = isLast;
+            this.bytes = bytes;
+        }
+
+        @Override
+        void accept(Visitor visitor) {
+            visitor.visit(this);
+        }
+
+        @Override
+        public String toString() {
+            return WSUtils.toStringSimple(this) + "[isLast=" + isLast
+                    + ", bytes=" + WSUtils.toString(bytes) + "]";
+        }
+    }
+
+    static final class Ping extends WSOutgoingMessage {
+
+        public final ByteBuffer bytes;
+
+        Ping(ByteBuffer bytes) {
+            this.bytes = bytes;
+        }
+
+        @Override
+        void accept(Visitor visitor) {
+            visitor.visit(this);
+        }
+
+        @Override
+        public String toString() {
+            return WSUtils.toStringSimple(this) + "[" + WSUtils.toString(bytes) + "]";
+        }
+    }
+
+    static final class Pong extends WSOutgoingMessage {
+
+        public final ByteBuffer bytes;
+
+        Pong(ByteBuffer bytes) {
+            this.bytes = bytes;
+        }
+
+        @Override
+        void accept(Visitor visitor) {
+            visitor.visit(this);
+        }
+
+        @Override
+        public String toString() {
+            return WSUtils.toStringSimple(this) + "[" + WSUtils.toString(bytes) + "]";
+        }
+    }
+
+    static final class Close extends WSOutgoingMessage {
+
+        public final ByteBuffer bytes;
+
+        Close(ByteBuffer bytes) {
+            this.bytes = bytes;
+        }
+
+        @Override
+        void accept(Visitor visitor) {
+            visitor.visit(this);
+        }
+
+        @Override
+        public String toString() {
+            return WSUtils.toStringSimple(this) + "[" + WSUtils.toString(bytes) + "]";
+        }
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSProtocolException.java

@@ -0,0 +1,68 @@
+package java.net.http;
+
+import java.net.http.WebSocket.CloseCode;
+
+import static java.net.http.WebSocket.CloseCode.PROTOCOL_ERROR;
+import static java.util.Objects.requireNonNull;
+
+//
+// Special kind of exception closed from the outside world.
+//
+// Used as a "marker exception" for protocol issues in the incoming data, so the
+// implementation could close the connection and specify an appropriate status
+// code.
+//
+// A separate 'section' argument makes it more uncomfortable to be lazy and to
+// leave a relevant spec reference empty :-) As a bonus all messages have the
+// same style.
+//
+final class WSProtocolException extends RuntimeException {
+
+    private static final long serialVersionUID = 1L;
+    private final CloseCode closeCode;
+    private final String section;
+
+    WSProtocolException(String section, String detail) {
+        this(section, detail, PROTOCOL_ERROR);
+    }
+
+    WSProtocolException(String section, String detail, Throwable cause) {
+        this(section, detail, PROTOCOL_ERROR, cause);
+    }
+
+    private WSProtocolException(String section, String detail, CloseCode code) {
+        super(formatMessage(section, detail));
+        this.closeCode = requireNonNull(code);
+        this.section = section;
+    }
+
+    WSProtocolException(String section, String detail, CloseCode code,
+                        Throwable cause) {
+        super(formatMessage(section, detail), cause);
+        this.closeCode = requireNonNull(code);
+        this.section = section;
+    }
+
+    private static String formatMessage(String section, String detail) {
+        if (requireNonNull(section).isEmpty()) {
+            throw new IllegalArgumentException();
+        }
+        if (requireNonNull(detail).isEmpty()) {
+            throw new IllegalArgumentException();
+        }
+        return WSUtils.webSocketSpecViolation(section, detail);
+    }
+
+    CloseCode getCloseCode() {
+        return closeCode;
+    }
+
+    public String getSection() {
+        return section;
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + "[" + closeCode + "]";
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSReceiver.java

@@ -0,0 +1,275 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.net.ProtocolException;
+import java.net.http.WebSocket.Listener;
+import java.nio.ByteBuffer;
+import java.nio.channels.SelectionKey;
+import java.util.Optional;
+import java.util.concurrent.CompletionStage;
+import java.util.concurrent.Executor;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.function.Supplier;
+
+import static java.lang.System.Logger.Level.ERROR;
+import static java.net.http.WSUtils.EMPTY_BYTE_BUFFER;
+import static java.net.http.WSUtils.logger;
+
+/*
+ * Receives incoming data from the channel and converts it into a sequence of
+ * messages, which are then passed to the listener.
+ */
+final class WSReceiver {
+
+    private final Listener listener;
+    private final WebSocket webSocket;
+    private final Supplier<WSShared<ByteBuffer>> buffersSupplier =
+            new WSSharedPool<>(() -> ByteBuffer.allocateDirect(32768), 2);
+    private final RawChannel channel;
+    private final RawChannel.NonBlockingEvent channelEvent;
+    private final WSSignalHandler handler;
+    private final AtomicLong demand = new AtomicLong();
+    private final AtomicBoolean readable = new AtomicBoolean();
+    private boolean started;
+    private volatile boolean closed;
+    private final WSFrame.Reader reader = new WSFrame.Reader();
+    private final WSFrameConsumer frameConsumer;
+    private WSShared<ByteBuffer> buf = WSShared.wrap(EMPTY_BYTE_BUFFER);
+    private WSShared<ByteBuffer> data; // TODO: initialize with leftovers from the RawChannel
+
+    WSReceiver(Listener listener, WebSocket webSocket, Executor executor,
+               RawChannel channel) {
+        this.listener = listener;
+        this.webSocket = webSocket;
+        this.channel = channel;
+        handler = new WSSignalHandler(executor, this::react);
+        channelEvent = createChannelEvent();
+        this.frameConsumer = new WSFrameConsumer(new MessageConsumer());
+    }
+
+    private void react() {
+        synchronized (this) {
+            while (demand.get() > 0 && !closed) {
+                try {
+                    if (data == null) {
+                        if (!getData()) {
+                            break;
+                        }
+                    }
+                    reader.readFrame(data, frameConsumer);
+                    if (!data.hasRemaining()) {
+                        data.dispose();
+                        data = null;
+                    }
+                    // In case of exception we don't need to clean any state,
+                    // since it's the terminal condition anyway. Nothing will be
+                    // retried.
+                } catch (WSProtocolException e) {
+                    // Translate into ProtocolException
+                    closeExceptionally(new ProtocolException().initCause(e));
+                } catch (Exception e) {
+                    closeExceptionally(e);
+                }
+            }
+        }
+    }
+
+    long request(long n) {
+        long newDemand = demand.accumulateAndGet(n, (p, i) -> p + i < 0 ? Long.MAX_VALUE : p + i);
+        handler.signal();
+        assert newDemand >= 0 : newDemand;
+        return newDemand;
+    }
+
+    private boolean getData() throws IOException {
+        if (!readable.get()) {
+            return false;
+        }
+        if (!buf.hasRemaining()) {
+            buf.dispose();
+            buf = buffersSupplier.get();
+            assert buf.hasRemaining() : buf;
+        }
+        int oldPosition = buf.position();
+        int oldLimit = buf.limit();
+        int numRead = channel.read(buf.buffer());
+        if (numRead > 0) {
+            data = buf.share(oldPosition, oldPosition + numRead);
+            buf.select(buf.limit(), oldLimit); // Move window to the free region
+            return true;
+        } else if (numRead == 0) {
+            readable.set(false);
+            channel.registerEvent(channelEvent);
+            return false;
+        } else {
+            assert numRead < 0 : numRead;
+            throw new WSProtocolException
+                    ("7.2.1.", "Stream ended before a Close frame has been received");
+        }
+    }
+
+    void start() {
+        synchronized (this) {
+            if (started) {
+                throw new IllegalStateException("Already started");
+            }
+            started = true;
+            try {
+                channel.registerEvent(channelEvent);
+            } catch (IOException e) {
+                throw new UncheckedIOException(e);
+            }
+            try {
+                listener.onOpen(webSocket);
+            } catch (Exception e) {
+                closeExceptionally(new RuntimeException("onOpen threw an exception", e));
+            }
+        }
+    }
+
+    private void close() { // TODO: move to WS.java
+        closed = true;
+    }
+
+    private void closeExceptionally(Throwable error) {  // TODO: move to WS.java
+        close();
+        try {
+            listener.onError(webSocket, error);
+        } catch (Exception e) {
+            logger.log(ERROR, "onError threw an exception", e);
+        }
+    }
+
+    private final class MessageConsumer implements WSMessageConsumer {
+
+        @Override
+        public void onText(WebSocket.MessagePart part, WSDisposableText data) {
+            decrementDemand();
+            CompletionStage<?> cs;
+            try {
+                cs = listener.onText(webSocket, data, part);
+            } catch (Exception e) {
+                closeExceptionally(new RuntimeException("onText threw an exception", e));
+                return;
+            }
+            follow(cs, data, "onText");
+        }
+
+        @Override
+        public void onBinary(WebSocket.MessagePart part, WSShared<ByteBuffer> data) {
+            decrementDemand();
+            CompletionStage<?> cs;
+            try {
+                cs = listener.onBinary(webSocket, data.buffer(), part);
+            } catch (Exception e) {
+                closeExceptionally(new RuntimeException("onBinary threw an exception", e));
+                return;
+            }
+            follow(cs, data, "onBinary");
+        }
+
+        @Override
+        public void onPing(WSShared<ByteBuffer> data) {
+            decrementDemand();
+            CompletionStage<?> cs;
+            try {
+                cs = listener.onPing(webSocket, data.buffer());
+            } catch (Exception e) {
+                closeExceptionally(new RuntimeException("onPing threw an exception", e));
+                return;
+            }
+            follow(cs, data, "onPing");
+        }
+
+        @Override
+        public void onPong(WSShared<ByteBuffer> data) {
+            decrementDemand();
+            CompletionStage<?> cs;
+            try {
+                cs = listener.onPong(webSocket, data.buffer());
+            } catch (Exception e) {
+                closeExceptionally(new RuntimeException("onPong threw an exception", e));
+                return;
+            }
+            follow(cs, data, "onPong");
+        }
+
+        @Override
+        public void onClose(WebSocket.CloseCode code, CharSequence reason) {
+            decrementDemand();
+            try {
+                close();
+                listener.onClose(webSocket, Optional.ofNullable(code), reason.toString());
+            } catch (Exception e) {
+                logger.log(ERROR, "onClose threw an exception", e);
+            }
+        }
+    }
+
+    private void follow(CompletionStage<?> cs, WSDisposable d, String source) {
+        if (cs == null) {
+            d.dispose();
+        } else {
+            cs.whenComplete((whatever, error) -> {
+                if (error != null) {
+                    String m = "CompletionStage returned by " + source + " completed exceptionally";
+                    closeExceptionally(new RuntimeException(m, error));
+                }
+                d.dispose();
+            });
+        }
+    }
+
+    private void decrementDemand() {
+        long newDemand = demand.decrementAndGet();
+        assert newDemand >= 0 : newDemand;
+    }
+
+    private RawChannel.NonBlockingEvent createChannelEvent() {
+        return new RawChannel.NonBlockingEvent() {
+
+            @Override
+            public int interestOps() {
+                return SelectionKey.OP_READ;
+            }
+
+            @Override
+            public void handle() {
+                boolean wasNotReadable = readable.compareAndSet(false, true);
+                assert wasNotReadable;
+                handler.signal();
+            }
+
+            @Override
+            public String toString() {
+                return "Read readiness event [" + channel + "]";
+            }
+        };
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSShared.java

@@ -0,0 +1,202 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General  License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General  License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.nio.Buffer;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.util.Objects;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+//
+//  +-----------+---------------+------------ ~ ------+
+//  |  shared#1 |    shared#2   | non-shared          |
+//  +-----------+---------------+------------ ~ ------+
+//  |                                                 |
+//  |<------------------  shared0  ---------- ~ ----->|
+//
+//
+// Objects of the type are not thread-safe. It's the responsibility of the
+// client to access shared buffers safely between threads.
+//
+// It would be perfect if we could extend java.nio.Buffer, but it's not an
+// option since Buffer and all its descendants have package-private
+// constructors.
+//
+abstract class WSShared<T extends Buffer> implements WSDisposable {
+
+    protected final AtomicBoolean disposed = new AtomicBoolean();
+    protected final T buffer;
+
+    protected WSShared(T buffer) {
+        this.buffer = Objects.requireNonNull(buffer);
+    }
+
+    static <T extends Buffer> WSShared<T> wrap(T buffer) {
+        return new WSShared<>(buffer) {
+            @Override
+            WSShared<T> share(int pos, int limit) {
+                throw new UnsupportedOperationException();
+            }
+        };
+    }
+
+    // TODO: should be a terminal operation as after it returns the buffer might
+    //       have escaped (we can't protect it any more)
+    public T buffer() {
+        checkDisposed();
+        return buffer;
+    }
+
+    abstract WSShared<T> share(final int pos, final int limit);
+
+    WSShared<T> select(final int pos, final int limit) {
+        checkRegion(pos, limit, buffer());
+        select(pos, limit, buffer());
+        return this;
+    }
+
+    @Override
+    public void dispose() {
+        if (!disposed.compareAndSet(false, true)) {
+            throw new IllegalStateException("Has been disposed previously");
+        }
+    }
+
+    int limit() {
+        return buffer().limit();
+    }
+
+    WSShared<T> limit(int newLimit) {
+        buffer().limit(newLimit);
+        return this;
+    }
+
+    int position() {
+        return buffer().position();
+    }
+
+    WSShared<T> position(int newPosition) {
+        buffer().position(newPosition);
+        return this;
+    }
+
+    int remaining() {
+        return buffer().remaining();
+    }
+
+    boolean hasRemaining() {
+        return buffer().hasRemaining();
+    }
+
+    WSShared<T> flip() {
+        buffer().flip();
+        return this;
+    }
+
+    WSShared<T> rewind() {
+        buffer().rewind();
+        return this;
+    }
+
+    WSShared<T> put(WSShared<? extends T> src) {
+        put(this.buffer(), src.buffer());
+        return this;
+    }
+
+    static void checkRegion(int position, int limit, Buffer buffer) {
+        if (position < 0 || position > buffer.capacity()) {
+            throw new IllegalArgumentException("position: " + position);
+        }
+        if (limit < 0 || limit > buffer.capacity()) {
+            throw new IllegalArgumentException("limit: " + limit);
+        }
+        if (limit < position) {
+            throw new IllegalArgumentException
+                    ("limit < position: limit=" + limit + ", position=" + position);
+        }
+    }
+
+    void select(int newPos, int newLim, Buffer buffer) {
+        int oldPos = buffer.position();
+        int oldLim = buffer.limit();
+        assert 0 <= oldPos && oldPos <= oldLim && oldLim <= buffer.capacity();
+        if (oldLim <= newPos) {
+            buffer().limit(newLim).position(newPos);
+        } else {
+            buffer.position(newPos).limit(newLim);
+        }
+    }
+
+    // The same as dst.put(src)
+    static <T extends Buffer> T put(T dst, T src) {
+        if (dst instanceof ByteBuffer) {
+            ((ByteBuffer) dst).put((ByteBuffer) src);
+        } else if (dst instanceof CharBuffer) {
+            ((CharBuffer) dst).put((CharBuffer) src);
+        } else {
+            // We don't work with buffers of other types
+            throw new IllegalArgumentException();
+        }
+        return dst;
+    }
+
+    // TODO: Remove when JDK-8150785 has been done
+    @SuppressWarnings("unchecked")
+    static <T extends Buffer> T slice(T buffer) {
+        if (buffer instanceof ByteBuffer) {
+            return (T) ((ByteBuffer) buffer).slice();
+        } else if (buffer instanceof CharBuffer) {
+            return (T) ((CharBuffer) buffer).slice();
+        } else {
+            // We don't work with buffers of other types
+            throw new IllegalArgumentException();
+        }
+    }
+
+    // TODO: Remove when JDK-8150785 has been done
+    @SuppressWarnings("unchecked")
+    static <T extends Buffer> T duplicate(T buffer) {
+        if (buffer instanceof ByteBuffer) {
+            return (T) ((ByteBuffer) buffer).duplicate();
+        } else if (buffer instanceof CharBuffer) {
+            return (T) ((CharBuffer) buffer).duplicate();
+        } else {
+            // We don't work with buffers of other types
+            throw new IllegalArgumentException();
+        }
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + "[" + WSUtils.toString(buffer()) + "]";
+    }
+
+    private void checkDisposed() {
+        if (disposed.get()) {
+            throw new IllegalStateException("Has been disposed previously");
+        }
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSSharedPool.java

@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General  License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General  License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.nio.Buffer;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.function.Supplier;
+
+import static java.lang.System.Logger.Level.TRACE;
+import static java.net.http.WSShared.duplicate;
+import static java.net.http.WSUtils.logger;
+import static java.util.Objects.requireNonNull;
+
+final class WSSharedPool<T extends Buffer> implements Supplier<WSShared<T>> {
+
+    private final Supplier<T> factory;
+    private final BlockingQueue<T> queue;
+
+    WSSharedPool(Supplier<T> factory, int maxPoolSize) {
+        this.factory = requireNonNull(factory);
+        this.queue = new LinkedBlockingQueue<>(maxPoolSize);
+    }
+
+    @Override
+    public Pooled get() {
+        T b = queue.poll();
+        if (b == null) {
+            logger.log(TRACE, "Pool {0} contains no free buffers", this);
+            b = requireNonNull(factory.get());
+        }
+        Pooled buf = new Pooled(new AtomicInteger(1), b, duplicate(b));
+        logger.log(TRACE, "Pool {0} created new buffer {1}", this, buf);
+        return buf;
+    }
+
+    private void put(Pooled b) {
+        assert b.disposed.get() && b.refCount.get() == 0
+                : WSUtils.dump(b.disposed, b.refCount, b);
+        b.shared.clear();
+        boolean accepted = queue.offer(b.getShared());
+        if (logger.isLoggable(TRACE)) {
+            if (accepted) {
+                logger.log(TRACE, "Pool {0} accepted {1}", this, b);
+            } else {
+                logger.log(TRACE, "Pool {0} discarded {1}", this, b);
+            }
+        }
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + "[queue.size=" + queue.size() + "]";
+    }
+
+    private final class Pooled extends WSShared<T> {
+
+        private final AtomicInteger refCount;
+        private final T shared;
+
+        private Pooled(AtomicInteger refCount, T shared, T region) {
+            super(region);
+            this.refCount = refCount;
+            this.shared = shared;
+        }
+
+        private T getShared() {
+            return shared;
+        }
+
+        @Override
+        @SuppressWarnings("unchecked")
+        public Pooled share(final int pos, final int limit) {
+            synchronized (this) {
+                T buffer = buffer();
+                checkRegion(pos, limit, buffer);
+                final int oldPos = buffer.position();
+                final int oldLimit = buffer.limit();
+                select(pos, limit, buffer);
+                T slice = WSShared.slice(buffer);
+                select(oldPos, oldLimit, buffer);
+                referenceAndGetCount();
+                Pooled buf = new Pooled(refCount, shared, slice);
+                logger.log(TRACE, "Shared {0} from {1}", buf, this);
+                return buf;
+            }
+        }
+
+        @Override
+        public void dispose() {
+            logger.log(TRACE, "Disposed {0}", this);
+            super.dispose();
+            if (dereferenceAndGetCount() == 0) {
+                WSSharedPool.this.put(this);
+            }
+        }
+
+        private int referenceAndGetCount() {
+            return refCount.updateAndGet(n -> {
+                if (n != Integer.MAX_VALUE) {
+                    return n + 1;
+                } else {
+                    throw new IllegalArgumentException
+                            ("Too many references: " + this);
+                }
+            });
+        }
+
+        private int dereferenceAndGetCount() {
+            return refCount.updateAndGet(n -> {
+                if (n > 0) {
+                    return n - 1;
+                } else {
+                    throw new InternalError();
+                }
+            });
+        }
+
+        @Override
+        public String toString() {
+            return WSUtils.toStringSimple(this) + "[" + WSUtils.toString(buffer)
+                    + "[refCount=" + refCount + ", disposed=" + disposed + "]]";
+        }
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSSignalHandler.java

@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General  License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General  License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.util.concurrent.Executor;
+import java.util.concurrent.RejectedExecutionException;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import static java.util.Objects.requireNonNull;
+
+//
+// The problem:
+// ------------
+//   1. For every invocation of 'signal()' there must be at least
+//      1 invocation of 'handler.run()' that goes after
+//   2. There must be no more than 1 thread running the 'handler.run()'
+//      at any given time
+//
+// For example, imagine each signal increments (+1) some number. Then the
+// handler responds (eventually) the way that makes the number 0.
+//
+// For each signal there's a response. Several signals may be handled by a
+// single response.
+//
+final class WSSignalHandler {
+
+    // In this state the task is neither submitted nor running.
+    // No one is handling signals. If a new signal has been received, the task
+    // has to be submitted to the executor in order to handle this signal.
+    private static final int DONE    = 0;
+
+    // In this state the task is running.
+    // * If the signaller has found the task in this state it will try to change
+    //   the state to RERUN in order to make the already running task to handle
+    //   the new signal before exiting.
+    // * If the task has found itself in this state it will exit.
+    private static final int RUNNING = 1;
+
+    // A signal to the task, that it must rerun on the spot (without being
+    // resubmitted to the executor).
+    // If the task has found itself in this state it resets the state to
+    // RUNNING and repeats the pass.
+    private static final int RERUN   = 2;
+
+    private final AtomicInteger state = new AtomicInteger(DONE);
+
+    private final Executor executor;
+    private final Runnable task;
+
+    WSSignalHandler(Executor executor, Runnable handler) {
+        this.executor = requireNonNull(executor);
+        requireNonNull(handler);
+
+        task = () -> {
+            while (!Thread.currentThread().isInterrupted()) {
+
+                try {
+                    handler.run();
+                } catch (Exception e) {
+                    // Sorry, the task won't be automatically retried;
+                    // hope next signals (if any) will kick off the handling
+                    state.set(DONE);
+                    throw e;
+                }
+
+                int prev = state.getAndUpdate(s -> {
+                    if (s == RUNNING) {
+                        return DONE;
+                    } else {
+                        return RUNNING;
+                    }
+                });
+
+                // Can't be DONE, since only the task itself may transit state
+                // into DONE (with one exception: RejectedExecution in signal();
+                // but in that case we couldn't be here at all)
+                assert prev == RUNNING || prev == RERUN;
+
+                if (prev == RUNNING) {
+                    break;
+                }
+            }
+        };
+    }
+
+    // Invoked by outer code to signal
+    void signal() {
+
+        int prev = state.getAndUpdate(s -> {
+            switch (s) {
+                case RUNNING:
+                    return RERUN;
+                case DONE:
+                    return RUNNING;
+                case RERUN:
+                    return RERUN;
+                default:
+                    throw new InternalError(String.valueOf(s));
+            }
+        });
+
+        if (prev != DONE) {
+            // Nothing to do! piggybacking on previous signal
+            return;
+        }
+        try {
+            executor.execute(task);
+        } catch (RejectedExecutionException e) {
+            // Sorry some signal() invocations may have been accepted, but won't
+            // be done, since the 'task' couldn't be submitted
+            state.set(DONE);
+            throw e;
+        }
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSTransmitter.java

@@ -0,0 +1,176 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General  License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General  License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.net.http.WSOutgoingMessage.Binary;
+import java.net.http.WSOutgoingMessage.Close;
+import java.net.http.WSOutgoingMessage.Ping;
+import java.net.http.WSOutgoingMessage.Pong;
+import java.net.http.WSOutgoingMessage.StreamedText;
+import java.net.http.WSOutgoingMessage.Text;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.CharacterCodingException;
+import java.nio.charset.CoderResult;
+import java.nio.charset.StandardCharsets;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Executor;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.function.Consumer;
+import java.util.stream.Stream;
+
+import static java.lang.String.format;
+import static java.net.http.Pair.pair;
+
+/*
+ * Prepares outgoing messages for transmission.  Verifies the WebSocket state,
+ * places the message on the outbound queue, and notifies the signal handler.
+ */
+final class WSTransmitter {
+
+    private final BlockingQueue<Pair<WSOutgoingMessage, CompletableFuture<Void>>>
+            backlog = new LinkedBlockingQueue<>();
+    private final WSMessageSender sender;
+    private final WSSignalHandler handler;
+    private boolean previousMessageSent = true;
+    private boolean canSendBinary = true;
+    private boolean canSendText = true;
+
+    WSTransmitter(Executor executor, RawChannel channel, Consumer<Throwable> errorHandler) {
+        this.handler = new WSSignalHandler(executor, this::handleSignal);
+        Consumer<Throwable> sendCompletion = (error) -> {
+            synchronized (this) {
+                if (error == null) {
+                    previousMessageSent = true;
+                    handler.signal();
+                } else {
+                    errorHandler.accept(error);
+                    backlog.forEach(p -> p.second.completeExceptionally(error));
+                    backlog.clear();
+                }
+            }
+        };
+        this.sender = new WSMessageSender(channel, sendCompletion);
+    }
+
+    CompletableFuture<Void> sendText(CharSequence message, boolean isLast) {
+        checkAndUpdateText(isLast);
+        return acceptMessage(new Text(isLast, message));
+    }
+
+    CompletableFuture<Void> sendText(Stream<? extends CharSequence> message) {
+        checkAndUpdateText(true);
+        return acceptMessage(new StreamedText(message));
+    }
+
+    CompletableFuture<Void> sendBinary(ByteBuffer message, boolean isLast) {
+        checkAndUpdateBinary(isLast);
+        return acceptMessage(new Binary(isLast, message));
+    }
+
+    CompletableFuture<Void> sendPing(ByteBuffer message) {
+        checkSize(message.remaining(), 125);
+        return acceptMessage(new Ping(message));
+    }
+
+    CompletableFuture<Void> sendPong(ByteBuffer message) {
+        checkSize(message.remaining(), 125);
+        return acceptMessage(new Pong(message));
+    }
+
+    CompletableFuture<Void> sendClose(WebSocket.CloseCode code, CharSequence reason) {
+        return acceptMessage(createCloseMessage(code, reason));
+    }
+
+    CompletableFuture<Void> sendClose() {
+        return acceptMessage(new Close(ByteBuffer.allocate(0)));
+    }
+
+    private CompletableFuture<Void> acceptMessage(WSOutgoingMessage m) {
+        CompletableFuture<Void> cf = new CompletableFuture<>();
+        synchronized (this) {
+            backlog.offer(pair(m, cf));
+        }
+        handler.signal();
+        return cf;
+    }
+
+    /* Callback for pulling messages from the queue, and initiating the send. */
+    private void handleSignal() {
+        synchronized (this) {
+            while (!backlog.isEmpty() && previousMessageSent) {
+                previousMessageSent = false;
+                Pair<WSOutgoingMessage, CompletableFuture<Void>> p = backlog.peek();
+                boolean sent = sender.trySendFully(p.first);
+                if (sent) {
+                    backlog.remove();
+                    p.second.complete(null);
+                    previousMessageSent = true;
+                }
+            }
+        }
+    }
+
+    private Close createCloseMessage(WebSocket.CloseCode code, CharSequence reason) {
+        // TODO: move to construction of CloseDetail (JDK-8155621)
+        ByteBuffer b = ByteBuffer.allocateDirect(125).putChar((char) code.getCode());
+        CoderResult result = StandardCharsets.UTF_8.newEncoder()
+                .encode(CharBuffer.wrap(reason), b, true);
+        if (result.isError()) {
+            try {
+                result.throwException();
+            } catch (CharacterCodingException e) {
+                throw new IllegalArgumentException("Reason is a malformed UTF-16 sequence", e);
+            }
+        } else if (result.isOverflow()) {
+            throw new IllegalArgumentException("Reason is too long");
+        }
+        return new Close(b.flip());
+    }
+
+    private void checkSize(int size, int maxSize) {
+        if (size > maxSize) {
+            throw new IllegalArgumentException(
+                    format("The message is too long: %s;" +
+                            " expected not longer than %s", size, maxSize)
+            );
+        }
+    }
+
+    private void checkAndUpdateText(boolean isLast) {
+        if (!canSendText) {
+            throw new IllegalStateException("Unexpected text message");
+        }
+        canSendBinary = isLast;
+    }
+
+    private void checkAndUpdateBinary(boolean isLast) {
+        if (!canSendBinary) {
+            throw new IllegalStateException("Unexpected binary message");
+        }
+        canSendText = isLast;
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSUtils.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General  License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General  License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.Buffer;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+
+final class WSUtils {
+
+    private WSUtils() { }
+
+    static final System.Logger logger = System.getLogger("java.net.http.WebSocket");
+    static final ByteBuffer EMPTY_BYTE_BUFFER = ByteBuffer.allocate(0);
+
+    //
+    // Helps to trim long names (packages, nested/inner types) in logs/toString
+    //
+    static String toStringSimple(Object o) {
+        return o.getClass().getSimpleName() + "@" +
+                Integer.toHexString(System.identityHashCode(o));
+    }
+
+    //
+    // 1. It adds a number of remaining bytes;
+    // 2. Standard Buffer-type toString for CharBuffer (since it adheres to the
+    // contract of java.lang.CharSequence.toString() which is both not too
+    // useful and not too private)
+    //
+    static String toString(Buffer b) {
+        return toStringSimple(b)
+                + "[pos=" + b.position()
+                + " lim=" + b.limit()
+                + " cap=" + b.capacity()
+                + " rem=" + b.remaining() + "]";
+    }
+
+    static String toString(CharSequence s) {
+        return s == null
+                ? "null"
+                : toStringSimple(s) + "[len=" + s.length() + "]";
+    }
+
+    static String dump(Object... objects) {
+        return Arrays.toString(objects);
+    }
+
+    static String webSocketSpecViolation(String section, String detail) {
+        return "RFC 6455 " + section + " " + detail;
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WSWriter.java

@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General  License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General  License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.channels.SelectionKey;
+import java.util.function.Consumer;
+
+import static java.util.Objects.requireNonNull;
+
+/*
+ * Writes ByteBuffer[] to the channel in a non-blocking, asynchronous fashion.
+ *
+ * A client attempts to write data by calling
+ *
+ *     boolean tryWriteFully(ByteBuffer[] buffers)
+ *
+ * If the attempt was successful and all the data has been written, then the
+ * method returns `true`.
+ *
+ * If the data has been written partially, then the method returns `false`, and
+ * the writer (this object) attempts to complete the write asynchronously by
+ * calling, possibly more than once
+ *
+ *     boolean tryCompleteWrite()
+ *
+ * in its own threads.
+ *
+ * When the write has been completed asynchronously, the callback is signalled
+ * with `null`.
+ *
+ * If an error occurs in any of these stages it will NOT be thrown from the
+ * method. Instead `false` will be returned and the exception will be signalled
+ * to the callback. This is done in order to handle all exceptions in a single
+ * place.
+ */
+final class WSWriter {
+
+    private final RawChannel channel;
+    private final RawChannel.NonBlockingEvent writeReadinessHandler;
+    private final Consumer<Throwable> completionCallback;
+    private ByteBuffer[] buffers;
+    private int offset;
+
+    WSWriter(RawChannel channel, Consumer<Throwable> completionCallback) {
+        this.channel = channel;
+        this.completionCallback = completionCallback;
+        this.writeReadinessHandler = createHandler();
+    }
+
+    boolean tryWriteFully(ByteBuffer[] buffers) {
+        synchronized (this) {
+            this.buffers = requireNonNull(buffers);
+            this.offset = 0;
+        }
+        return tryCompleteWrite();
+    }
+
+    private final boolean tryCompleteWrite() {
+        try {
+            return writeNow();
+        } catch (IOException e) {
+            completionCallback.accept(e);
+            return false;
+        }
+    }
+
+    private boolean writeNow() throws IOException {
+        synchronized (this) {
+            for (; offset != -1; offset = nextUnwrittenIndex(buffers, offset)) {
+                long bytesWritten = channel.write(buffers, offset, buffers.length - offset);
+                if (bytesWritten == 0) {
+                    channel.registerEvent(writeReadinessHandler);
+                    return false;
+                }
+            }
+            return true;
+        }
+    }
+
+    private static int nextUnwrittenIndex(ByteBuffer[] buffers, int offset) {
+        for (int i = offset; i < buffers.length; i++) {
+            if (buffers[i].hasRemaining()) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    private RawChannel.NonBlockingEvent createHandler() {
+        return new RawChannel.NonBlockingEvent() {
+
+            @Override
+            public int interestOps() {
+                return SelectionKey.OP_WRITE;
+            }
+
+            @Override
+            public void handle() {
+                if (tryCompleteWrite()) {
+                    completionCallback.accept(null);
+                }
+            }
+
+            @Override
+            public String toString() {
+                return "Write readiness event [" + channel + "]";
+            }
+        };
+    }
+}

jdk/src/java.httpclient/share/classes/java/net/http/WebSocketHandshakeException.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.net.http;
+
+/**
+ * An exception used to signal the opening handshake failed.
+ *
+ * @since 9
+ */
+public final class WebSocketHandshakeException extends Exception {
+
+    private static final long serialVersionUID = 1L;
+    private final transient HttpResponse response;
+
+    WebSocketHandshakeException(HttpResponse response) {
+        this(null, response);
+    }
+
+    WebSocketHandshakeException(String message, HttpResponse response) {
+        super(statusCodeOrFullMessage(message, response));
+        this.response = response;
+    }
+
+    /**
+     * // FIXME: terrible toString (+ not always status should be displayed I guess)
+     */
+    private static String statusCodeOrFullMessage(String m, HttpResponse response) {
+        return (m == null || m.isEmpty())
+                ? String.valueOf(response.statusCode())
+                : response.statusCode() + ": " + m;
+    }
+
+    /**
+     * Returns a HTTP response from the server.
+     *
+     * <p> The value may be unavailable ({@code null}) if this exception has
+     * been serialized and then read back in.
+     *
+     * @return server response
+     */
+    public HttpResponse getResponse() {
+        return response;
+    }
+}