| /* |
| * Copyright (c) 2016, 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. |
| */ |
| |
| package jdk.test; |
| |
| import java.lang.module.ModuleDescriptor; |
| import java.net.URI; |
| import java.nio.file.FileSystem; |
| import java.nio.file.FileSystems; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| |
| |
| /* |
| * Main class to verify if ModuleDescriptor carries the correct version |
| */ |
| public class Main { |
| static final Map<String, String> nameToVersion = new HashMap<>(); |
| |
| // jdk.test.Main $count $module-name... $version... |
| public static void main(String... args) throws Exception { |
| int count = args.length > 0 ? Integer.valueOf(args[0]) : 0; |
| if (count < 1 || args.length != count*2+1) { |
| throw new IllegalArgumentException(Arrays.toString(args)); |
| } |
| |
| List<String> modules = List.of(Arrays.copyOfRange(args, 1, 1+count)); |
| List<String> versions = List.of(Arrays.copyOfRange(args, 1+count, args.length)); |
| for (int i=0; i < modules.size(); i++) { |
| System.out.format("module %s expects %s version%n", |
| modules.get(i), versions.get(i)); |
| nameToVersion.put(modules.get(i), versions.get(i)); |
| } |
| |
| FileSystem fs = FileSystems.newFileSystem(URI.create("jrt:/"), |
| Collections.emptyMap()); |
| // check the module descriptor of a system module |
| for (int i=0; i < modules.size(); i++) { |
| String mn = modules.get(i); |
| Module module = ModuleLayer.boot().findModule(mn).orElseThrow( |
| () -> new RuntimeException(mn + " not found") |
| ); |
| |
| // check ModuleDescriptor from the run-time |
| validate(module.getDescriptor()); |
| |
| // check module-info.class in the image |
| Path path = fs.getPath("/", "modules", modules.get(i), "module-info.class"); |
| validate(ModuleDescriptor.read(Files.newInputStream(path))); |
| } |
| } |
| |
| static void validate(ModuleDescriptor descriptor) { |
| checkVersion(descriptor.name(), descriptor.version()); |
| descriptor.requires() |
| .stream() |
| .filter(r -> !r.name().equals("java.base")) |
| .forEach(r -> checkVersion(r.name(), r.compiledVersion())); |
| } |
| |
| static void checkVersion(String mn, Optional<ModuleDescriptor.Version> version) { |
| boolean matched; |
| String v = nameToVersion.get(mn); |
| if (version.isPresent()) { |
| matched = version.get().toString().equals(v); |
| } else { |
| // 0 indicate no version |
| matched = v.equals("0"); |
| } |
| |
| if (!matched) { |
| throw new RuntimeException(mn + " mismatched version " + version |
| + " expected: " + v); |
| } |
| } |
| } |