1/* 2 * Copyright (c) 2017, 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 * @test 26 * @summary Verify that upgradeable modules are not hashed in java.base 27 * whereas non-upgradeable modules are. 28 * @modules java.base/jdk.internal.module 29 * @run main UpgradeableModules 30 */ 31 32import jdk.internal.module.ModuleHashes; 33import jdk.internal.module.ModuleReferenceImpl; 34 35import java.lang.module.ModuleFinder; 36import java.lang.module.ModuleReference; 37import java.lang.module.ResolvedModule; 38import java.util.HashSet; 39import java.util.List; 40import java.util.Optional; 41import java.util.Set; 42import java.util.stream.Collectors; 43 44public class UpgradeableModules { 45 private static final List<String> UPGRADEABLE_MODULES = 46 List.of("java.activation", 47 "java.compiler", 48 "java.corba", 49 "java.jnlp", 50 "java.transaction", 51 "java.xml.bind", 52 "java.xml.ws", 53 "java.xml.ws.annotation", 54 "jdk.internal.vm.compiler", 55 "jdk.deploy", 56 "jdk.javaws", 57 "jdk.plugin", 58 "jdk.plugin.dom", 59 "jdk.xml.bind", 60 "jdk.xml.ws"); 61 62 public static void main(String... args) { 63 Set<String> hashedModules = hashedModules(); 64 if (hashedModules.isEmpty()) 65 return; 66 67 if (UPGRADEABLE_MODULES.stream().anyMatch(hashedModules::contains)) { 68 throw new RuntimeException("upgradeable modules are hashed: " + 69 UPGRADEABLE_MODULES.stream() 70 .filter(hashedModules::contains) 71 .collect(Collectors.joining(" "))); 72 } 73 74 Set<String> nonUpgradeableModules = 75 ModuleFinder.ofSystem().findAll().stream() 76 .map(mref -> mref.descriptor().name()) 77 .filter(mn -> !UPGRADEABLE_MODULES.contains(mn)) 78 .collect(Collectors.toSet()); 79 80 if (nonUpgradeableModules.stream().anyMatch(mn -> !hashedModules.contains(mn))) { 81 throw new RuntimeException("non-upgradeable modules are not hashed: " + 82 nonUpgradeableModules.stream() 83 .filter(mn -> !hashedModules.contains(mn)) 84 .collect(Collectors.joining(" "))); 85 } 86 } 87 88 private static Set<String> hashedModules() { 89 Optional<ResolvedModule> resolvedModule = ModuleLayer.boot() 90 .configuration() 91 .findModule("java.base"); 92 assert resolvedModule.isPresent(); 93 ModuleReference mref = resolvedModule.get().reference(); 94 assert mref instanceof ModuleReferenceImpl; 95 ModuleHashes hashes = ((ModuleReferenceImpl) mref).recordedHashes(); 96 if (hashes != null) { 97 Set<String> names = new HashSet<>(hashes.names()); 98 names.add("java.base"); 99 return names; 100 } 101 102 return Set.of(); 103 } 104} 105