Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright (c) 2011, 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.

  */

 /*

  * @test

  * @bug 7092965

  * @summary javac should not close processorClassLoader before end of compilation

  */

 import com.sun.source.util.JavacTask;

 import com.sun.source.util.TaskEvent;

 import com.sun.source.util.TaskListener;

 import com.sun.tools.javac.api.JavacTool;

 import com.sun.tools.javac.file.JavacFileManager;

 import com.sun.tools.javac.util.Context;

 import java.io.File;

 import java.io.IOException;

 import java.net.URL;

 import java.net.URLClassLoader;

 import java.util.Arrays;

 import java.util.Collections;

 import java.util.List;

 import java.util.Set;

 import javax.annotation.processing.AbstractProcessor;

 import javax.annotation.processing.Messager;

 import javax.annotation.processing.RoundEnvironment;

 import javax.annotation.processing.SupportedAnnotationTypes;

 import javax.lang.model.SourceVersion;

 import javax.lang.model.element.TypeElement;

 import javax.tools.Diagnostic;

 import javax.tools.JavaFileObject;

 import javax.tools.StandardJavaFileManager;

 import javax.tools.StandardLocation;

 import javax.tools.ToolProvider;

 @SupportedAnnotationTypes("*")

 public class TestClose2 extends AbstractProcessor implements TaskListener {

     public static void main(String... args) throws Exception {

         new TestClose2().run();

     }

     void run() throws IOException {

         File testSrc = new File(System.getProperty("test.src"));

         File testClasses = new File(System.getProperty("test.classes"));

         JavacTool tool = (JavacTool) ToolProvider.getSystemJavaCompiler();

         final ClassLoader cl = getClass().getClassLoader();

         Context c = new Context();

         StandardJavaFileManager fm = new JavacFileManager(c, true, null) {

             @Override

             protected ClassLoader getClassLoader(URL[] urls) {

                 return new URLClassLoader(urls, cl) {

                     @Override

                     public void close() throws IOException {

                         System.err.println(getClass().getName() + " closing");

                         TestClose2.this.closedCount++;

                         TestClose2.this.closedIsLast = true;

                         super.close();

                     }

                 };

             }

         };

         fm.setLocation(StandardLocation.CLASS_OUTPUT,

                 Collections.singleton(new File(".")));

         fm.setLocation(StandardLocation.ANNOTATION_PROCESSOR_PATH,

                 Collections.singleton(testClasses));

         Iterable<? extends JavaFileObject> files =

                 fm.getJavaFileObjects(new File(testSrc, TestClose2.class.getName() + ".java"));

         List<String> options = Arrays.asList(

                 "-processor", TestClose2.class.getName());

         JavacTask task = tool.getTask(null, fm, null, options, null, files);

         task.setTaskListener(this);

         if (!task.call())

             throw new Error("compilation failed");

         if (closedCount == 0)

             throw new Error("no closing message");

         else if (closedCount > 1)

             throw new Error(closedCount + " closed messages");

         if (!closedIsLast)

             throw new Error("closing message not last");

     }

     // AbstractProcessor methods

     @Override

     public SourceVersion getSupportedSourceVersion() {

         return SourceVersion.latest();

     }

     @Override

     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {

         Messager messager = processingEnv.getMessager();

         messager.printMessage(Diagnostic.Kind.NOTE, "processing");

         return true;

     }

     // TaskListener methods

     @Override

     public void started(TaskEvent e) {

         System.err.println("Started: " + e);

         closedIsLast = false;

     }

     @Override

     public void finished(TaskEvent e) {

         System.err.println("Finished: " + e);

         closedIsLast = false;

     }

     //

     int closedCount = 0;

     boolean closedIsLast = false;

 }