jjg@1521: /*
vromero@1690:  * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
jjg@1521:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@1521:  *
jjg@1521:  * This code is free software; you can redistribute it and/or modify it
jjg@1521:  * under the terms of the GNU General Public License version 2 only, as
jjg@1521:  * published by the Free Software Foundation.
jjg@1521:  *
jjg@1521:  * This code is distributed in the hope that it will be useful, but WITHOUT
jjg@1521:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@1521:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jjg@1521:  * version 2 for more details (a copy is included in the LICENSE file that
jjg@1521:  * accompanied this code).
jjg@1521:  *
jjg@1521:  * You should have received a copy of the GNU General Public License version
jjg@1521:  * 2 along with this work; if not, write to the Free Software Foundation,
jjg@1521:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@1521:  *
jjg@1521:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jjg@1521:  * or visit www.oracle.com if you need additional information or have any
jjg@1521:  * questions.
jjg@1521:  */
jjg@1521: import java.io.*;
jjg@1521: import java.util.Set;
jjg@1521: import java.util.HashSet;
jjg@1521: 
jjg@1521: import javax.annotation.processing.*;
jjg@1521: import javax.lang.model.SourceVersion;
jjg@1521: import javax.lang.model.element.*;
jjg@1521: import javax.lang.model.util.ElementFilter;
jjg@1521: 
jjg@1521: import com.sun.source.util.JavacTask;
jjg@1521: import com.sun.source.util.TaskEvent;
jjg@1521: import com.sun.source.util.TaskListener;
jjg@1521: import com.sun.tools.javac.main.JavaCompiler;
jjg@1521: import com.sun.tools.javac.processing.JavacProcessingEnvironment;
jjg@1521: import com.sun.tools.javac.util.Context;
jjg@1521: 
vromero@1690: import static com.sun.tools.javac.comp.CompileStates.CompileState;
vromero@1690: 
jjg@1521: /*
jjg@1521:  * @test
jjg@1521:  * @summary test that type processors are run when -proc:only is passed.
jjg@1521:  * This class implements the functionality of a type processor, as previously
jjg@1521:  * embodied by the AbstractTypeProcessor class.
jjg@1521:  *
jjg@1521:  * @author Mahmood Ali
jjg@1521:  * @author Werner Dietl
jjg@1521:  */
jjg@1521: @SupportedAnnotationTypes("*")
jjg@1521: public class TypeProcOnly extends AbstractProcessor {
jjg@1521:     private static final String INDICATOR = "INDICATOR";
jjg@1521: 
jjg@1521:     private final AttributionTaskListener listener = new AttributionTaskListener();
jjg@1521:     private final Set<Name> elements = new HashSet<Name>();
jjg@1521: 
jjg@1521:     @Override
jjg@1521:     public final void init(ProcessingEnvironment env) {
jjg@1521:         super.init(env);
jjg@1521:         JavacTask.instance(env).addTaskListener(listener);
jjg@1521:         Context ctx = ((JavacProcessingEnvironment)processingEnv).getContext();
jjg@1521:         JavaCompiler compiler = JavaCompiler.instance(ctx);
jjg@1521:         compiler.shouldStopPolicyIfNoError = CompileState.max(
jjg@1521:                 compiler.shouldStopPolicyIfNoError,
jjg@1521:                 CompileState.FLOW);
jjg@1521:     }
jjg@1521: 
jjg@1521:     @Override
jjg@1521:     public final boolean process(Set<? extends TypeElement> annotations,
jjg@1521:             RoundEnvironment roundEnv) {
jjg@1521:         for (TypeElement elem : ElementFilter.typesIn(roundEnv.getRootElements())) {
jjg@1521:             elements.add(elem.getQualifiedName());
jjg@1521:         }
jjg@1521:         return false;
jjg@1521:     }
jjg@1521: 
jjg@1521:     @Override
jjg@1521:     public SourceVersion getSupportedSourceVersion() {
jjg@1521:         return SourceVersion.latest();
jjg@1521:     }
jjg@1521: 
jjg@1521:     private final class AttributionTaskListener implements TaskListener {
jjg@1521:         @Override
jjg@1521:         public void started(TaskEvent e) { }
jjg@1521: 
jjg@1521:         @Override
jjg@1521:         public void finished(TaskEvent e) {
jjg@1521:             if (e.getKind() != TaskEvent.Kind.ANALYZE)
jjg@1521:                 return;
jjg@1521: 
jjg@1521:             if (!elements.remove(e.getTypeElement().getQualifiedName()))
jjg@1521:                 return;
jjg@1521: 
jjg@1521:             System.out.println(INDICATOR);
jjg@1521:         }
jjg@1521:     }
jjg@1521: 
jjg@1521: 
jjg@1521:     private static File writeTestFile() throws IOException {
jjg@1521:         File f = new File("Test.java");
jjg@1521:         PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
jjg@1521:         out.println("class Test { }");
jjg@1521:         out.close();
jjg@1521:         return f;
jjg@1521:     }
jjg@1521: 
jjg@1521:     public static void main(String[] args) throws Exception {
jjg@1521:         PrintStream prevOut = System.out;
jjg@1521: 
jjg@1521:         ByteArrayOutputStream bytes = new ByteArrayOutputStream();
jjg@1521:         PrintStream out = new PrintStream(bytes);
jjg@1521:         System.setOut(out);
jjg@1521: 
jjg@1521:         try {
jjg@1521:             File f = writeTestFile();
jjg@1521:             com.sun.tools.javac.Main.compile(new String[] {"-proc:only", "-processor", "TypeProcOnly", f.getAbsolutePath()});
jjg@1521:         } finally {
jjg@1521:             System.setOut(prevOut);
jjg@1521:         }
jjg@1521: 
jjg@1521:         if (bytes.toString().trim().equals(INDICATOR)) {
jjg@1521:             System.out.println("PASSED");
jjg@1521:         } else {
jjg@1521:             throw new Exception("Processor did not run correctly. Output: " + bytes);
jjg@1521:         }
jjg@1521:     }
jjg@1521: }