Shutdown.java

package org.apache.fulcrum.yaafi.service.shutdown;

/*
 * 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.
 */

import org.apache.avalon.framework.activity.Disposable;

/**
 * This class process the shutdown notification from the JVM.
 *
 * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a>
 */

public class Shutdown implements Runnable
{
    /** The service manager tobe disposed */
    private Disposable disposable;

    /** use System.exit() to shutdown the JVM */
    private boolean useSystemExit;

    /**
     * Constructor.
     * @param disposable the instance to be disposed
     * @param useSystemExit call System.exit()?
     *
     */
    public Shutdown( Disposable disposable, boolean useSystemExit )
    {
        this.disposable = disposable;
        this.useSystemExit = useSystemExit;
    }

    /**
     * @see java.lang.Runnable#run()
     */
    public void run()
    {
        try
        {
            this.disposable.dispose();
        }
        catch (Throwable t)
        {
            t.printStackTrace();
        }

        this.disposable = null;

        if( this.useSystemExit )
        {
            System.exit(0);
        }
    }
}