| /* |
| * Copyright (c) 2017, 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 |
| * @summary Verify that upgradeable modules are not hashed in java.base |
| * whereas non-upgradeable modules are. |
| * @modules java.base/jdk.internal.module |
| * @run main UpgradeableModules |
| */ |
| |
| import jdk.internal.module.ModuleHashes; |
| import jdk.internal.module.ModuleReferenceImpl; |
| |
| import java.lang.module.ModuleFinder; |
| import java.lang.module.ModuleReference; |
| import java.lang.module.ResolvedModule; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| public class UpgradeableModules { |
| private static final List<String> UPGRADEABLE_MODULES = |
| List.of("java.activation", |
| "java.compiler", |
| "java.corba", |
| "java.jnlp", |
| "java.transaction", |
| "java.xml.bind", |
| "java.xml.ws", |
| "java.xml.ws.annotation", |
| "jdk.internal.vm.compiler", |
| "jdk.deploy", |
| "jdk.javaws", |
| "jdk.plugin", |
| "jdk.plugin.dom", |
| "jdk.xml.bind", |
| "jdk.xml.ws"); |
| |
| public static void main(String... args) { |
| Set<String> hashedModules = hashedModules(); |
| if (hashedModules.isEmpty()) |
| return; |
| |
| if (UPGRADEABLE_MODULES.stream().anyMatch(hashedModules::contains)) { |
| throw new RuntimeException("upgradeable modules are hashed: " + |
| UPGRADEABLE_MODULES.stream() |
| .filter(hashedModules::contains) |
| .collect(Collectors.joining(" "))); |
| } |
| |
| Set<String> nonUpgradeableModules = |
| ModuleFinder.ofSystem().findAll().stream() |
| .map(mref -> mref.descriptor().name()) |
| .filter(mn -> !UPGRADEABLE_MODULES.contains(mn)) |
| .collect(Collectors.toSet()); |
| |
| if (nonUpgradeableModules.stream().anyMatch(mn -> !hashedModules.contains(mn))) { |
| throw new RuntimeException("non-upgradeable modules are not hashed: " + |
| nonUpgradeableModules.stream() |
| .filter(mn -> !hashedModules.contains(mn)) |
| .collect(Collectors.joining(" "))); |
| } |
| } |
| |
| private static Set<String> hashedModules() { |
| Optional<ResolvedModule> resolvedModule = ModuleLayer.boot() |
| .configuration() |
| .findModule("java.base"); |
| assert resolvedModule.isPresent(); |
| ModuleReference mref = resolvedModule.get().reference(); |
| assert mref instanceof ModuleReferenceImpl; |
| ModuleHashes hashes = ((ModuleReferenceImpl) mref).recordedHashes(); |
| if (hashes != null) { |
| Set<String> names = new HashSet<>(hashes.names()); |
| names.add("java.base"); |
| return names; |
| } |
| |
| return Set.of(); |
| } |
| } |