137 lines
5.0 KiB
Java
137 lines
5.0 KiB
Java
/*
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* Copyright (c) 2011, 2021, 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 7068437
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* @summary Filer.getResource(SOURCE_OUTPUT, ...) no longer works in JDK 7 w/o -s
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* @modules java.compiler
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* jdk.compiler
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*/
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.Writer;
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import java.nio.file.NoSuchFileException;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.Map;
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import java.util.Set;
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import javax.annotation.processing.AbstractProcessor;
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import javax.annotation.processing.Filer;
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import javax.annotation.processing.Messager;
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import javax.annotation.processing.RoundEnvironment;
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import javax.annotation.processing.SupportedAnnotationTypes;
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import javax.annotation.processing.SupportedOptions;
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import javax.annotation.processing.SupportedSourceVersion;
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import javax.lang.model.SourceVersion;
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import javax.lang.model.element.TypeElement;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaCompiler.CompilationTask;
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import javax.tools.StandardLocation;
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import javax.tools.ToolProvider;
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public class T7068437 {
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public static void main(String[] args) throws Exception {
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new T7068437().run();
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}
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void run() throws Exception {
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JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
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System.err.println("using " + compiler.getClass()
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+ " from " + compiler.getClass().getProtectionDomain().getCodeSource());
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CompilationTask task = compiler.getTask(null, null, null,
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Collections.singleton("-proc:only"),
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Collections.singleton("java.lang.Object"),
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null);
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task.setProcessors(Collections.singleton(new Proc()));
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check("compilation", task.call());
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task = compiler.getTask(null, null, null,
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Arrays.asList("-proc:only", "-AexpectFile"),
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Collections.singleton("java.lang.Object"),
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null);
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task.setProcessors(Collections.singleton(new Proc()));
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check("compilation", task.call());
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}
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void check(String msg, boolean ok) {
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System.err.println(msg + ": " + (ok ? "ok" : "failed"));
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if (!ok)
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throw new AssertionError(msg);
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}
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@SupportedAnnotationTypes("*")
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@SupportedOptions("expectFile")
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private static class Proc extends AbstractProcessor {
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int count;
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@Override
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public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
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if (roundEnv.processingOver() || count++ > 0) {
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return false;
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}
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Filer filer = processingEnv.getFiler();
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Messager messager = processingEnv.getMessager();
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Map<String, String> options = processingEnv.getOptions();
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System.err.println(options);
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boolean expectFile = options.containsKey("expectFile");
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System.err.println("running Proc: expectFile=" + expectFile);
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boolean found;
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try {
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messager.printNote("found previous content of length " +
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filer.getResource(StandardLocation.SOURCE_OUTPUT, "p", "C.java").getCharContent(false).length());
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found = true;
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} catch (FileNotFoundException | NoSuchFileException x) {
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messager.printNote("not previously there");
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found = false;
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} catch (IOException x) {
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messager.printError("while reading: " + x);
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found = false;
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}
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if (expectFile && !found) {
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messager.printError("expected file but file not found");
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}
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try (Writer w = filer.createSourceFile("p.C").openWriter()) {
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w.write("/* hello! */ package p; class C {}");
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messager.printNote("wrote new content");
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} catch (IOException x) {
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messager.printError("while writing: " + x);
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}
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return true;
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}
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@Override
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public SourceVersion getSupportedSourceVersion() {
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return SourceVersion.latest();
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}
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}
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}
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