--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/ClassLoader/GetSystemPackage.java Thu Nov 06 00:06:26 2014 +0100
@@ -0,0 +1,249 @@
+/*
+ * Copyright (c) 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.
+ */
+
+/*
+ * @test
+ * @bug 8060130
+ * @library /lib/testlibrary
+ * @build package2.Class2 GetSystemPackage jdk.testlibrary.*
+ * @summary Test if getSystemPackage() return consistent values for cases
+ * where a manifest is provided or not and ensure only jars on
+ * bootclasspath gets resolved via Package.getSystemPackage
+ * @run main GetSystemPackage
+ */
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.jar.Attributes;
+import java.util.jar.JarEntry;
+import java.util.jar.JarOutputStream;
+import java.util.jar.Manifest;
+import jdk.testlibrary.ProcessTools;
+
+public class GetSystemPackage {
+
+ static final String testClassesDir = System.getProperty("test.classes", ".");
+ static final File tmpFolder = new File(testClassesDir);
+ static final String manifestTitle = "Special JAR";
+
+ public static void main(String ... args) throws Exception {
+ if (args.length == 0) {
+ buildJarsAndInitiateSystemPackageTest();
+ return;
+ }
+ switch (args[0]) {
+ case "system-manifest":
+ verifyPackage(true, true);
+ break;
+ case "system-no-manifest":
+ verifyPackage(false, true);
+ break;
+ case "non-system-manifest":
+ verifyPackage(true, false);
+ break;
+ case "non-system-no-manifest":
+ default:
+ verifyPackage(false, false);
+ break;
+ }
+ }
+
+ private static void buildJarsAndInitiateSystemPackageTest()
+ throws Exception
+ {
+ Manifest m = new Manifest();
+ // not setting MANIFEST_VERSION prevents META-INF/MANIFEST.MF from
+ // getting written
+ m.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
+ m.getMainAttributes().put(Attributes.Name.SPECIFICATION_TITLE,
+ manifestTitle);
+
+ buildJar("manifest.jar", m);
+ buildJar("no-manifest.jar", null);
+
+ runSubProcess("System package with manifest improperly resolved.",
+ "-Xbootclasspath/p:" + testClassesDir + "/manifest.jar",
+ "GetSystemPackage", "system-manifest");
+
+ runSubProcess("System package from directory improperly resolved.",
+ "-Xbootclasspath/p:" + testClassesDir, "GetSystemPackage",
+ "system-no-manifest");
+
+ runSubProcess("System package with no manifest improperly resolved",
+ "-Xbootclasspath/p:" + testClassesDir + "/no-manifest.jar",
+ "GetSystemPackage", "system-no-manifest");
+
+ runSubProcess("Classpath package with manifest improperly resolved",
+ "-cp", testClassesDir + "/manifest.jar", "GetSystemPackage",
+ "non-system-manifest");
+
+ runSubProcess("Classpath package with no manifest improperly resolved",
+ "-cp", testClassesDir + "/no-manifest.jar", "GetSystemPackage",
+ "non-system-no-manifest");
+
+ }
+
+ private static void buildJar(String name, Manifest man) throws Exception {
+ JarBuilder jar = new JarBuilder(tmpFolder, name, man);
+ jar.addClassFile("package2/Class2.class",
+ testClassesDir + "/package2/Class2.class");
+ jar.addClassFile("GetSystemPackage.class",
+ testClassesDir + "/GetSystemPackage.class");
+ jar.addClassFile("GetSystemPackageClassLoader.class",
+ testClassesDir + "/GetSystemPackageClassLoader.class");
+ jar.build();
+ }
+
+ private static void runSubProcess(String messageOnError, String ... args)
+ throws Exception
+ {
+ ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args);
+ int res = pb.directory(tmpFolder).inheritIO().start().waitFor();
+ if (res != 0) {
+ throw new RuntimeException(messageOnError);
+ }
+ }
+
+ private static void verifyPackage(boolean hasManifest,
+ boolean isSystemPackage) throws Exception
+ {
+ Class c = Class.forName("package2.Class2");
+ Package pkg = c.getPackage();
+ if (pkg == null || pkg != Package.getPackage("package2") ||
+ !"package2".equals(pkg.getName())) {
+ fail("package2 not found via Package.getPackage()");
+ }
+
+ String specificationTitle = pkg.getSpecificationTitle();
+ if (!"package2".equals(pkg.getName())) {
+ fail("Invalid package for Class2");
+ }
+
+ if (hasManifest && (specificationTitle == null
+ || !manifestTitle.equals(specificationTitle))) {
+ fail("Invalid manifest for package " + pkg.getName());
+ }
+ if (!hasManifest && specificationTitle != null) {
+ fail("Invalid manifest for package " + pkg.getName() + ": was " +
+ specificationTitle + " expected: null");
+ }
+
+ // force the use of a classloader with no parent, then retrieve the
+ // package in a way that bypasses the classloader pkg maps
+ GetSystemPackageClassLoader classLoader =
+ new GetSystemPackageClassLoader();
+ Package systemPkg = classLoader.getSystemPackage("package2");
+
+ if (findPackage("java.lang") == null) {
+ fail("java.lang not found via Package.getPackages()");
+ }
+ Package foundPackage = findPackage("package2");
+ if (isSystemPackage) {
+ if (systemPkg == null) {
+ fail("System package could not be found via getSystemPackage");
+ }
+ if (foundPackage != systemPkg || systemPkg != pkg) {
+ fail("Inconsistent package found via Package.getPackages()");
+ }
+ } else {
+ if (systemPkg != null) {
+ fail("Non-system package could be found via getSystemPackage");
+ }
+ if (foundPackage == null) {
+ fail("Non-system package not found via Package.getPackages()");
+ }
+ }
+ }
+
+ private static Package findPackage(String name) {
+ Package[] packages = Package.getPackages();
+ for (Package p : packages) {
+ System.out.println(p);
+ if (p.getName().equals(name)) {
+ return p;
+ }
+ }
+ return null;
+ }
+
+ private static void fail(String message) {
+ throw new RuntimeException(message);
+ }
+}
+
+/*
+ * This classloader bypasses the system classloader to give as direct access
+ * to Package.getSystemPackage() as possible
+ */
+class GetSystemPackageClassLoader extends ClassLoader {
+
+ public GetSystemPackageClassLoader() {
+ super(null);
+ }
+
+ public Package getSystemPackage(String name) {
+ return super.getPackage(name);
+ }
+}
+
+/*
+ * Helper class for building jar files
+ */
+class JarBuilder {
+
+ private JarOutputStream os;
+
+ public JarBuilder(File tmpFolder, String jarName, Manifest manifest)
+ throws FileNotFoundException, IOException
+ {
+ File jarFile = new File(tmpFolder, jarName);
+ if (manifest != null) {
+ this.os = new JarOutputStream(new FileOutputStream(jarFile),
+ manifest);
+ } else {
+ this.os = new JarOutputStream(new FileOutputStream(jarFile));
+ }
+ }
+
+ public void addClassFile(String pathFromRoot, String file)
+ throws IOException
+ {
+ byte[] buf = new byte[1024];
+ try (FileInputStream in = new FileInputStream(file)) {
+ JarEntry entry = new JarEntry(pathFromRoot);
+ os.putNextEntry(entry);
+ int len;
+ while ((len = in.read(buf)) > 0) {
+ os.write(buf, 0, len);
+ }
+ os.closeEntry();
+ }
+ }
+
+ public void build() throws IOException {
+ os.close();
+ }
+}