110 lines
4.9 KiB
Java
110 lines
4.9 KiB
Java
/*
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* Copyright (c) 2019, 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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/*
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* @test
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* @bug 8223942
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* @summary Missing methods in ClientCodeWrapper$WrappedJavaFileManager
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.util
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*/
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import java.lang.reflect.*;
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import java.io.*;
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import javax.tools.*;
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import java.nio.charset.StandardCharsets;
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import com.sun.tools.javac.api.JavacTaskImpl;
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public class ClientCodeWrappersShouldOverrideAllMethodsTest {
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public static void main(String[] args) {
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ClientCodeWrappersShouldOverrideAllMethodsTest clientCodeWrappersShouldOverrideAllMethodsTest = new ClientCodeWrappersShouldOverrideAllMethodsTest();
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clientCodeWrappersShouldOverrideAllMethodsTest.testWrappersForJavaFileManager();
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clientCodeWrappersShouldOverrideAllMethodsTest.testWrappersForStandardJavaFileManager();
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}
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void testWrappersForJavaFileManager() {
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JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
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StandardJavaFileManager standardFileManager = compiler.getStandardFileManager(null, null, StandardCharsets.UTF_8);
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UserFileManager fileManager = new UserFileManager(standardFileManager);
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JavacTaskImpl task = (JavacTaskImpl)compiler.getTask(null, fileManager, null, null, null, null);
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JavaFileManager wrappedFM = task.getContext().get(JavaFileManager.class);
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checkAllMethodsOverridenInWrapperClass(wrappedFM.getClass(), JavaFileManager.class);
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}
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void testWrappersForStandardJavaFileManager() {
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JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
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StandardJavaFileManager standardFileManager = compiler.getStandardFileManager(null, null, StandardCharsets.UTF_8);
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UserStandardJavaFileManager fileManager = new UserStandardJavaFileManager(standardFileManager);
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JavacTaskImpl task = (JavacTaskImpl)compiler.getTask(null, fileManager, null, null, null, null);
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JavaFileManager wrappedFM = task.getContext().get(JavaFileManager.class);
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checkAllMethodsOverridenInWrapperClass(wrappedFM.getClass(), StandardJavaFileManager.class);
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}
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void checkAllMethodsOverridenInWrapperClass(Class<?> subClass, Class<?> superClass) {
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Method[] allMethods = subClass.getMethods();
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for (Method m : allMethods) {
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if (m.getDeclaringClass() == superClass) {
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throw new AssertionError(String.format("method %s not overriden by javac provided wrapper class", m.getName()));
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}
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}
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}
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static class UserFileManager extends ForwardingJavaFileManager<JavaFileManager> {
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UserFileManager(JavaFileManager delegate) {
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super(delegate);
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}
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}
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static class UserStandardJavaFileManager extends ForwardingJavaFileManager<StandardJavaFileManager> implements StandardJavaFileManager {
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StandardJavaFileManager delegate;
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UserStandardJavaFileManager(StandardJavaFileManager delegate) {
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super(delegate);
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this.delegate = delegate;
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}
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public Iterable<? extends File> getLocation(Location location) { return delegate.getLocation(location);}
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public void setLocation(Location location, Iterable<? extends File> files) throws IOException {
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delegate.setLocation(location, files);
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}
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public Iterable<? extends JavaFileObject> getJavaFileObjects(String... names) {
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return delegate.getJavaFileObjects(names);
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}
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public Iterable<? extends JavaFileObject> getJavaFileObjectsFromStrings(Iterable<String> names) {
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return delegate.getJavaFileObjectsFromStrings(names);
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}
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public Iterable<? extends JavaFileObject> getJavaFileObjectsFromFiles(Iterable<? extends File> files) {
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return delegate.getJavaFileObjectsFromFiles(files);
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}
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public Iterable<? extends JavaFileObject> getJavaFileObjects(File... files) {
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return delegate.getJavaFileObjects(files);
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}
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}
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}
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