226 lines
8.1 KiB
Java
226 lines
8.1 KiB
Java
/*
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* Copyright (c) 2006, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 4225317 6969651 8277422
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* @modules jdk.jartool
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* @summary Check extracted files have date as per those in the .jar file
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*/
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import java.io.File;
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import java.io.PrintWriter;
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import java.nio.file.attribute.FileTime;
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import java.time.ZoneId;
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import java.util.Date;
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import java.util.TimeZone;
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import java.util.spi.ToolProvider;
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public class JarEntryTime {
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static final ToolProvider JAR_TOOL = ToolProvider.findFirst("jar")
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.orElseThrow(() ->
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new RuntimeException("jar tool not found")
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);
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// ZipEntry's mod date has 2 seconds precision: give extra time to
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// allow for e.g. rounding/truncation and networked/samba drives.
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static final long PRECISION = 10000L;
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static final TimeZone TZ = TimeZone.getDefault();
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static final boolean DST = TZ.inDaylightTime(new Date());
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static boolean cleanup(File dir) throws Throwable {
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boolean rc = true;
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File[] x = dir.listFiles();
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if (x != null) {
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for (int i = 0; i < x.length; i++) {
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rc &= x[i].delete();
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}
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}
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return rc & dir.delete();
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}
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static void extractJar(File jarFile, boolean useExtractionTime) throws Throwable {
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String javahome = System.getProperty("java.home");
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String jarcmd = javahome + File.separator + "bin" + File.separator + "jar";
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String[] args;
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if (useExtractionTime) {
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args = new String[] {
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jarcmd,
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"-J-Dsun.tools.jar.useExtractionTime=true",
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"xf",
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jarFile.getName() };
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} else {
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args = new String[] {
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jarcmd,
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"xf",
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jarFile.getName() };
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}
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Process p = Runtime.getRuntime().exec(args);
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check(p != null && (p.waitFor() == 0));
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}
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public static void realMain(String[] args) throws Throwable {
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File dirOuter = new File("outer");
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File dirInner = new File(dirOuter, "inner");
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File jarFile = new File("JarEntryTime.jar");
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File testFile = new File("JarEntryTimeTest.txt");
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// Remove any leftovers from prior run
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cleanup(dirInner);
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cleanup(dirOuter);
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jarFile.delete();
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testFile.delete();
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var date = new Date();
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var defZone = ZoneId.systemDefault();
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if (defZone.getRules().getTransition(
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date.toInstant().atZone(defZone).toLocalDateTime()) != null) {
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System.out.println("At the offset transition. JarEntryTime test skipped.");
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return;
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}
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/* Create a directory structure
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* outer/
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* inner/
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* foo.txt
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* Set the lastModified dates so that outer is created now, inner
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* yesterday, and foo.txt created "earlier".
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*/
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check(dirOuter.mkdir());
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check(dirInner.mkdir());
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File fileInner = new File(dirInner, "foo.txt");
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try (PrintWriter pw = new PrintWriter(fileInner)) {
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pw.println("hello, world");
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}
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// Get the "now" from the "last-modified-time" of the last file we
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// just created, instead of the "System.currentTimeMillis()", to
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// workaround the possible "time difference" due to nfs.
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final long now = fileInner.lastModified();
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final long earlier = now - (60L * 60L * 6L * 1000L);
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final long yesterday = now - (60L * 60L * 24L * 1000L);
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check(dirOuter.setLastModified(now));
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check(dirInner.setLastModified(yesterday));
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check(fileInner.setLastModified(earlier));
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// Make a jar file from that directory structure
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check(JAR_TOOL.run(System.out, System.err,
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"cf", jarFile.getName(), dirOuter.getName()) == 0);
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check(jarFile.exists());
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check(cleanup(dirInner));
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check(cleanup(dirOuter));
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// Extract and check that the last modified values are those specified
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// in the archive
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extractJar(jarFile, false);
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check(dirOuter.exists());
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check(dirInner.exists());
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check(fileInner.exists());
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checkFileTime(dirOuter.lastModified(), now);
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checkFileTime(dirInner.lastModified(), yesterday);
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checkFileTime(fileInner.lastModified(), earlier);
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check(cleanup(dirInner));
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check(cleanup(dirOuter));
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try (PrintWriter pw = new PrintWriter(testFile)) {
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pw.println("hello, world");
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}
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final long start = testFile.lastModified();
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// Extract and check the last modified values are the current times.
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extractJar(jarFile, true);
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try (PrintWriter pw = new PrintWriter(testFile)) {
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pw.println("hello, world");
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}
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final long end = testFile.lastModified();
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check(dirOuter.exists());
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check(dirInner.exists());
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check(fileInner.exists());
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checkFileTime(start, dirOuter.lastModified(), end);
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checkFileTime(start, dirInner.lastModified(), end);
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checkFileTime(start, fileInner.lastModified(), end);
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check(cleanup(dirInner));
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check(cleanup(dirOuter));
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check(jarFile.delete());
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check(testFile.delete());
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}
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static void checkFileTime(long now, long original) {
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if (isTimeSettingChanged()) {
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return;
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}
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if (Math.abs(now - original) > PRECISION) {
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System.out.format("Extracted to %s, expected to be close to %s%n",
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FileTime.fromMillis(now), FileTime.fromMillis(original));
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fail();
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}
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}
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static void checkFileTime(long start, long now, long end) {
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if (isTimeSettingChanged()) {
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return;
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}
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if (now < start || now > end) {
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System.out.format("Extracted to %s, "
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+ "expected to be after %s and before %s%n",
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FileTime.fromMillis(now),
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FileTime.fromMillis(start),
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FileTime.fromMillis(end));
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fail();
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}
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}
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private static boolean isTimeSettingChanged() {
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TimeZone currentTZ = TimeZone.getDefault();
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boolean currentDST = currentTZ.inDaylightTime(new Date());
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return (!currentTZ.equals(TZ) || currentDST != DST);
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}
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//--------------------- Infrastructure ---------------------------
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static volatile int passed = 0, failed = 0;
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static void pass() {passed++;}
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static void fail() {failed++; Thread.dumpStack();}
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static void fail(String msg) {System.out.println(msg); fail();}
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static void unexpected(Throwable t) {failed++; t.printStackTrace();}
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static void check(boolean cond) {if (cond) pass(); else fail();}
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static void equal(Object x, Object y) {
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if (x == null ? y == null : x.equals(y)) pass();
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else fail(x + " not equal to " + y);}
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public static void main(String[] args) throws Throwable {
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try {realMain(args);} catch (Throwable t) {unexpected(t);}
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System.out.println("\nPassed = " + passed + " failed = " + failed);
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if (failed > 0) throw new AssertionError("Some tests failed");}
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}
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