/*

 * 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;

}