Ant example source code file (TestProcess.java)

This example Ant source code file (TestProcess.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Ant tags/keywords

interruptedexception, interruptedexception, runnable, testprocess, testprocess, testprocessshutdownhook, testprocessshutdownhook, thread, thread

The TestProcess.java source code

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package org.apache.tools.ant.taskdefs;

/**
 * Interactive Testcase for Processdestroyer.
 *
 */
public class TestProcess
    implements Runnable
{
    private boolean run = true;
    private boolean done = false;

    public void shutdown()
    {
        if (!done)
        {
            System.out.println("shutting down TestProcess");
            run = false;

            synchronized(this)
            {
                while (!done)
                {
                    try { wait(); } catch (InterruptedException ie) {}
                }
            }

            System.out.println("TestProcess shut down");
        }
    }

    public void run()
    {
        for (int i = 0; i < 5 && run; i++)
        {
            System.out.println(Thread.currentThread().getName());

            try { Thread.sleep(2000); } catch (InterruptedException ie) {}
        }

        synchronized(this)
        {
            done = true;
            notifyAll();
        }
    }

    public Thread getShutdownHook()
    {
        return new TestProcessShutdownHook();
    }

    private class TestProcessShutdownHook
        extends Thread
    {
        public void run()
        {
            shutdown();
        }
    }

    public static void main(String[] args)
    {
        TestProcess tp = new TestProcess();
        new Thread(tp, "TestProcess thread").start();
        Runtime.getRuntime().addShutdownHook(tp.getShutdownHook());
    }
}