/* * 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. * * 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. */ /* * @test * @bug 8132734 * @summary Test the System properties for JarFile that support multi-release jar files * @library /lib/testlibrary/java/util/jar * @build Compiler JarBuilder CreateMultiReleaseTestJars * @run testng MultiReleaseJarProperties * @run testng/othervm -Djdk.util.jar.version=0 MultiReleaseJarProperties * @run testng/othervm -Djdk.util.jar.version=8 MultiReleaseJarProperties * @run testng/othervm -Djdk.util.jar.version=9 MultiReleaseJarProperties * @run testng/othervm -Djdk.util.jar.version=10 MultiReleaseJarProperties * @run testng/othervm -Djdk.util.jar.version=100 MultiReleaseJarProperties * @run testng/othervm -Djdk.util.jar.version=8 -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties * @run testng/othervm -Djdk.util.jar.version=9 -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties * @run testng/othervm -Djdk.util.jar.version=10 -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties * @run testng/othervm -Djdk.util.jar.version=8 -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties * @run testng/othervm -Djdk.util.jar.version=9 -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties * @run testng/othervm -Djdk.util.jar.version=10 -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties * @run testng/othervm -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties * @run testng/othervm -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties */ import java.io.File; import java.io.IOException; import java.io.InputStream; import java.lang.invoke.MethodHandle; import java.lang.invoke.MethodHandles; import java.lang.invoke.MethodType; import java.net.URL; import java.net.URLClassLoader; import java.nio.file.Files; import java.util.jar.JarEntry; import java.util.jar.JarFile; import jdk.Version; import org.testng.Assert; import org.testng.annotations.AfterClass; import org.testng.annotations.BeforeClass; import org.testng.annotations.Test; public class MultiReleaseJarProperties { static final int MAJOR_VERSION = Version.current().major(); final static int ROOTVERSION = 8; // magic number from knowledge of internals final static String userdir = System.getProperty("user.dir", "."); final static File multirelease = new File(userdir, "multi-release.jar"); protected int rtVersion; boolean force; protected ClassLoader cldr; protected Class rootClass; @BeforeClass public void initialize() throws Exception { CreateMultiReleaseTestJars creator = new CreateMultiReleaseTestJars(); creator.compileEntries(); creator.buildMultiReleaseJar(); rtVersion = Integer.getInteger("jdk.util.jar.version", MAJOR_VERSION); String mrprop = System.getProperty("jdk.util.jar.enableMultiRelease", ""); if (mrprop.equals("false")) { rtVersion = ROOTVERSION; } else if (rtVersion < ROOTVERSION) { rtVersion = ROOTVERSION; } else if (rtVersion > MAJOR_VERSION) { rtVersion = MAJOR_VERSION; } force = mrprop.equals("force"); initializeClassLoader(); } protected void initializeClassLoader() throws Exception { URL[] urls = new URL[]{multirelease.toURI().toURL()}; cldr = new URLClassLoader(urls); // load any class, Main is convenient and in the root entries rootClass = cldr.loadClass("version.Main"); } @AfterClass public void close() throws IOException { ((URLClassLoader)cldr).close(); Files.delete(multirelease.toPath()); } /* * jdk.util.jar.enableMultiRelease=force is a no-op for URLClassLoader */ @Test public void testURLClassLoader() throws Throwable { Class vcls = cldr.loadClass("version.Version"); invokeMethod(vcls, rtVersion); } protected void invokeMethod(Class vcls, int expected) throws Throwable { MethodType mt = MethodType.methodType(int.class); MethodHandle mh = MethodHandles.lookup().findVirtual(vcls, "getVersion", mt); Assert.assertEquals(expected, (int) mh.invoke(vcls.newInstance())); } /* * jdk.util.jar.enableMultiRelease=force should affect a custom class loader */ @Test public void testClassLoader() throws Throwable { try (JarFile jf = new JarFile(multirelease)) { // do not set runtime versioning ClassLoader cldr = new CustomClassLoader(jf); Class vcls = cldr.loadClass("version.Version"); if (rtVersion == 9) { try { cldr.loadClass("version.PackagePrivate"); } catch (ClassNotFoundException x) { if (force) throw x; } } invokeMethod(vcls, force ? rtVersion : ROOTVERSION); } } private static class CustomClassLoader extends ClassLoader { private final JarFile jf; CustomClassLoader(JarFile jf) throws Exception { super(null); this.jf = jf; } protected Class findClass(String name) throws ClassNotFoundException { try { byte[] b; String entryName = name.replace(".", "/") + ".class"; JarEntry je = jf.getJarEntry(entryName); if (je != null) { try (InputStream is = jf.getInputStream(je)) { b = new byte[(int) je.getSize()]; is.read(b); } return defineClass(name, b, 0, b.length); } throw new ClassNotFoundException(name); } catch (IOException x) { throw new ClassNotFoundException(x.getMessage()); } } } @Test public void testGetResourceAsStream() throws Exception { String resource = rtVersion == 9 ? "/version/PackagePrivate.java" : "/version/Version.java"; // use fileRootClass as a base for getting resources getResourceAsStream(rootClass, resource); } protected void getResourceAsStream(Class rootClass, String resource) throws Exception { try (InputStream is = rootClass.getResourceAsStream(resource)) { byte[] bytes = is.readAllBytes(); resource = new String(bytes); } String match = "return " + rtVersion + ";"; Assert.assertTrue(resource.contains(match)); } @Test public void testGetResource() throws Exception { String resource = rtVersion == 9 ? "/version/PackagePrivate.java" : "/version/Version.java"; // use rootClass as a base for getting resources getResource(rootClass, resource); } protected void getResource(Class rootClass, String resource) throws Exception { URL url = rootClass.getResource(resource); try (InputStream is = url.openStream()) { byte[] bytes = is.readAllBytes(); resource = new String(bytes); } String match = "return " + rtVersion + ";"; Assert.assertTrue(resource.contains(match)); } }