ExitAction.java

/*
 * Copyright 1999-2005 The Apache Software Foundation.
 * 
 * Licensed 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.log4j.chainsaw;

import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import org.apache.log4j.Logger;

/**
 * Encapsulates the action to exit.
 *
 * @author <a href="mailto:oliver@puppycrawl.com">Oliver Burn</a>
 * @version 1.0
 */
class ExitAction
    extends AbstractAction
{
    /** use to log messages **/
    private static final Logger LOG = Logger.getLogger(ExitAction.class);
    /** The instance to share **/
    public static final ExitAction INSTANCE = new ExitAction();

    /** Stop people creating instances **/
    private ExitAction() {}

    /**
     * Will shutdown the application.
     * @param aIgnore ignored
     */
    public void actionPerformed(ActionEvent aIgnore) {
        LOG.info("shutting down");
        System.exit(0);
    }
}