6329581: RFE: LTP: java.beans.XMLEncoder does not manage ClassLoader

Reviewed-by: rupashka, alexp

jdk/src/share/classes/java/beans/Encoder.java

@@ -246,12 +246,11 @@ public class Encoder {
         for (int i = 0; i < oldArgs.length; i++) {
             newArgs[i] = writeObject1(oldArgs[i]);
         }
-        if (oldExp.getClass() == Statement.class) {
-            return new Statement(newTarget, oldExp.getMethodName(), newArgs);
-        }
-        else {
-            return new Expression(newTarget, oldExp.getMethodName(), newArgs);
-        }
+        Statement newExp = Statement.class.equals(oldExp.getClass())
+                ? new Statement(newTarget, oldExp.getMethodName(), newArgs)
+                : new Expression(newTarget, oldExp.getMethodName(), newArgs);
+        newExp.loader = oldExp.loader;
+        return newExp;
     }
 
     /**

jdk/src/share/classes/java/beans/MetaData.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 2000-2009 Sun Microsystems, Inc.  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
@@ -219,7 +219,9 @@ class java_lang_Class_PersistenceDelegate extends PersistenceDelegate {
             return new Expression(oldInstance, String.class, "getClass", new Object[]{});
         }
         else {
-            return new Expression(oldInstance, Class.class, "forName", new Object[]{c.getName()});
+            Expression newInstance = new Expression(oldInstance, Class.class, "forName", new Object[] { c.getName() });
+            newInstance.loader = c.getClassLoader();
+            return newInstance;
         }
     }
 }

jdk/src/share/classes/java/beans/Statement.java

@@ -66,6 +66,7 @@ public class Statement {
     Object target;
     String methodName;
     Object[] arguments;
+    ClassLoader loader;
 
     /**
      * Creates a new <code>Statement</code> object with a <code>target</code>,
@@ -157,7 +158,7 @@ public class Statement {
         // of core from a class inside core. Special
         // case this method.
         if (target == Class.class && methodName.equals("forName")) {
-            return ClassFinder.resolveClass((String)arguments[0]);
+            return ClassFinder.resolveClass((String)arguments[0], this.loader);
         }
         Class[] argClasses = new Class[arguments.length];
         for(int i = 0; i < arguments.length; i++) {

jdk/test/java/beans/XMLEncoder/6329581/Test6329581.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 6329581
+ * @summary Tests encoding of a class with custom ClassLoader
+ * @author Sergey Malenkov
+ */
+
+import java.beans.ExceptionListener;
+import java.beans.XMLDecoder;
+import java.beans.XMLEncoder;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.net.URL;
+import java.net.URLClassLoader;
+
+public class Test6329581 implements ExceptionListener {
+
+    public static void main(String[] args) throws Exception {
+        ExceptionListener listener = new Test6329581();
+        // write bean to byte array
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        XMLEncoder encoder = new XMLEncoder(out);
+        encoder.setExceptionListener(listener);
+        encoder.writeObject(getClassLoader("beans.jar").loadClass("test.Bean").newInstance());
+        encoder.close();
+        // read bean from byte array
+        ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
+        XMLDecoder decoder = new XMLDecoder(in, null, listener, getClassLoader("beans.jar"));
+        Object object = decoder.readObject();
+        decoder.close();
+
+        if (!object.getClass().getClassLoader().getClass().equals(URLClassLoader.class)) {
+            throw new Error("bean is loaded with unexpected class loader");
+        }
+    }
+
+    private static ClassLoader getClassLoader(String name) throws Exception {
+        StringBuilder sb = new StringBuilder(256);
+        sb.append("file:");
+        sb.append(System.getProperty("test.src", "."));
+        sb.append(File.separatorChar);
+        sb.append(name);
+
+        URL[] url = { new URL(sb.toString()) };
+        return new URLClassLoader(url);
+    }
+
+    public void exceptionThrown(Exception exception) {
+        throw new Error("unexpected exception", exception);
+    }
+}