250 lines
8.8 KiB
Java
250 lines
8.8 KiB
Java
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.io.IOException;
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import java.net.URI;
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import java.nio.file.FileSystem;
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import java.nio.file.FileSystems;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.function.Predicate;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import jdk.tools.jlink.internal.ModulePoolImpl;
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import jdk.tools.jlink.internal.StringTable;
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import jdk.tools.jlink.internal.plugins.asm.AsmPlugin;
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import jdk.tools.jlink.internal.plugins.asm.AsmPools;
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import jdk.tools.jlink.plugin.ModuleEntry;
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import jdk.tools.jlink.plugin.ModulePool;
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public abstract class AsmPluginTestBase {
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protected static final String TEST_MODULE = "jlink.test";
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protected static final Map<String, List<String>> MODULES;
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private static final Predicate<ModuleEntry> isClass = r -> r.getPath().endsWith(".class");
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private final List<String> classes;
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private final List<String> resources;
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private final ModulePool pool;
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static {
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Map<String, List<String>> map = new HashMap<>();
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map.put("jdk.localedata", new ArrayList<>());
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map.put("java.base", new ArrayList<>());
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map.put(TEST_MODULE, new ArrayList<>());
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MODULES = Collections.unmodifiableMap(map);
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}
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public static boolean isImageBuild() {
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Path javaHome = Paths.get(System.getProperty("test.jdk"));
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Path jmods = javaHome.resolve("jmods");
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return Files.exists(jmods);
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}
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public AsmPluginTestBase() {
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try {
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List<String> classes = new ArrayList<>();
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List<String> resources = new ArrayList<>();
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pool = new ModulePoolImpl();
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FileSystem fs = FileSystems.getFileSystem(URI.create("jrt:/"));
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Path root = fs.getPath("/modules");
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List<byte[]> moduleInfos = new ArrayList<>();
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try (Stream<Path> stream = Files.walk(root)) {
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for (Iterator<Path> iterator = stream.iterator(); iterator.hasNext(); ) {
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Path p = iterator.next();
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if (Files.isRegularFile(p)) {
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String module = p.toString().substring("/modules/".length());
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module = module.substring(0, module.indexOf("/"));
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if (MODULES.keySet().contains(module)) {
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try {
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boolean isModuleInfo = p.endsWith("module-info.class");
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if (isModuleInfo) {
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moduleInfos.add(Files.readAllBytes(p));
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}
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byte[] content = Files.readAllBytes(p);
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if (p.toString().endsWith(".class") && !isModuleInfo) {
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classes.add(toClassName(p));
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} else if (!isModuleInfo) {
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MODULES.get(module).add(toResourceFile(p));
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}
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resources.add(toPath(p.toString()));
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ModuleEntry res = ModuleEntry.create(toPath(p.toString()), content);
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pool.add(res);
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} catch (Exception ex) {
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throw new RuntimeException(ex);
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}
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}
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}
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}
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}
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// There is more than 10 classes in java.base...
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if (classes.size() < 10 || pool.getEntryCount() < 10) {
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throw new AssertionError("Not expected resource or class number");
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}
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//Add a fake resource file
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String content = "java.lang.Object";
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String path = "META-INF/services/com.foo.BarProvider";
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ModuleEntry resFile = ModuleEntry.create("/" + TEST_MODULE + "/" +
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path, content.getBytes());
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pool.add(resFile);
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ModuleEntry fakeInfoFile = ModuleEntry.create("/" + TEST_MODULE
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+ "/module-info.class", moduleInfos.get(0));
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pool.add(fakeInfoFile);
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MODULES.get(TEST_MODULE).add(path);
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for(Map.Entry<String, List<String>> entry : MODULES.entrySet()) {
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if (entry.getValue().isEmpty()) {
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throw new AssertionError("No resource file for " + entry.getKey());
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}
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}
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this.classes = Collections.unmodifiableList(classes);
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this.resources = Collections.unmodifiableList(resources);
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} catch (Exception e) {
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throw new ExceptionInInitializerError(e);
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}
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}
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public List<String> getClasses() {
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return classes;
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}
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public List<String> getResources() {
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return resources;
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}
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public ModulePool getPool() {
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return pool;
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}
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public abstract void test() throws Exception;
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public Collection<ModuleEntry> extractClasses(ModulePool pool) {
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return pool.entries()
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.filter(isClass)
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.collect(Collectors.toSet());
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}
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public Collection<ModuleEntry> extractResources(ModulePool pool) {
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return pool.entries()
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.filter(isClass.negate())
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.collect(Collectors.toSet());
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}
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public String getModule(String path) {
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int index = path.indexOf("/", 1);
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return path.substring(1, index);
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}
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public String removeModule(String path) {
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int index = path.indexOf("/", 1);
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return path.substring(index + 1);
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}
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private String toPath(String p) {
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return p.substring("/modules".length());
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}
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private String toClassName(Path p) {
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String path = p.toString();
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path = path.substring("/modules/".length());
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// remove module
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if (!path.endsWith("module-info.class")) {
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path = path.substring(path.indexOf("/") + 1);
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}
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path = path.substring(0, path.length() - ".class".length());
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return path;
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}
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private String toResourceFile(Path p) {
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String path = p.toString();
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path = path.substring("/modules/".length());
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// remove module
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path = path.substring(path.indexOf("/") + 1);
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return path;
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}
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public abstract class TestPlugin extends AsmPlugin {
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private AsmPools pools;
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public AsmPools getPools() {
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return pools;
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}
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public boolean isVisitCalled() {
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return pools != null;
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}
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public ModulePool visit(ModulePool inResources) throws IOException {
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try {
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ModulePool outResources = new ModulePoolImpl(inResources.getByteOrder(), new StringTable() {
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@Override
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public int addString(String str) {
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return -1;
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}
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@Override
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public String getString(int id) {
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return null;
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}
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});
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visit(inResources, outResources);
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return outResources;
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} catch (Exception e) {
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throw new IOException(e);
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}
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}
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@Override
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public void visit(AsmPools pools) {
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if (isVisitCalled()) {
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throw new AssertionError("Visit was called twice");
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}
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this.pools = pools;
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visit();
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}
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public abstract void visit();
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public abstract void test(ModulePool inResources, ModulePool outResources) throws Exception;
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@Override
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public String getName() {
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return "test-plugin";
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}
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}
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}
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