1 /* 2 * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 public class JimageClassPackage { main(String args[])26 public static void main(String args[]) throws Throwable { 27 // Test Package for boot/app/ext module classes from the "modules" jimage. 28 // The following classes are archived. See runtime/AppCDS/Package.java. 29 // java.util.Dictionary (testcase 0), 30 // sun.tools.javac.Main (testcase 1), 31 // jdk.nio.zipfs.ZipInfo (testcase 2), 32 // java.net.URL (testcase 3), 33 // sun.rmi.rmic.Main (testcase 4), 34 // com.sun.jndi.dns.DnsName (testcase 5) 35 String testcases[][] = 36 {{"Loading shared boot module class first", "java.util", 37 "java.util.Dictionary", "java.util.ServiceConfigurationError"}, 38 39 {"Loading shared app module class first", "sun.tools.javac", 40 "sun.tools.javac.Main", "sun.tools.javac.BatchParser"}, 41 42 {"Loading shared ext module class first", "jdk.nio.zipfs", 43 "jdk.nio.zipfs.ZipInfo", "jdk.nio.zipfs.ZipPath"}, 44 45 {"Loading non-shared boot module class first", "java.net", 46 "java.net.HttpCookie", "java.net.URL"}, 47 48 {"Loading non-shared app module class first", "sun.rmi.rmic", 49 "sun.rmi.rmic.RMIGenerator", "sun.rmi.rmic.Main"}, 50 51 {"Loading non-shared ext module class first", "com.sun.jndi.dns", 52 "com.sun.jndi.dns.Resolver", "com.sun.jndi.dns.DnsName"}}; 53 54 JimageClassPackage test = new JimageClassPackage(); 55 for (int i = 0; i < testcases.length; i++) { 56 System.out.println("Testcase " + i + ": " + testcases[i][0]); 57 test.testPackage(testcases[i][1], testcases[i][2], testcases[i][3]); 58 } 59 } 60 testPackage(String pkg, String shared, String nonShared)61 private void testPackage (String pkg, 62 String shared, 63 String nonShared) throws Throwable { 64 Class c1 = Class.forName(shared); 65 ClassLoader cl = c1.getClassLoader(); 66 Package pkg_from_loader; 67 if (cl != null) { 68 pkg_from_loader = cl.getDefinedPackage(pkg); 69 } else { 70 pkg_from_loader = Package.getPackage(pkg); 71 } 72 73 Package pkg_from_shared_class = c1.getPackage(); 74 75 Class c2 = Class.forName(nonShared); 76 Package pkg_from_nonshared_class = c2.getPackage(); 77 78 if (pkg_from_loader != null && 79 pkg_from_shared_class != null && 80 pkg_from_loader == pkg_from_shared_class && 81 pkg_from_shared_class == pkg_from_nonshared_class && 82 pkg_from_shared_class.getName().equals(pkg)) { 83 System.out.println("Expected package: " + pkg_from_shared_class.toString()); 84 } else { 85 System.out.println("Unexpected package" + pkg_from_shared_class); 86 System.exit(1); 87 } 88 if (pkg_from_shared_class.isSealed()) { 89 System.out.println("Package is sealed"); 90 } else { 91 System.out.println("Package is not sealed"); 92 System.exit(1); 93 } 94 } 95 } 96