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Java > Open Source Codes > org > apache > log4j > chainsaw > ExitAction


1 /*
2  * Copyright 1999-2005 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */

16 package org.apache.log4j.chainsaw;
17
18 import java.awt.event.ActionEvent JavaDoc;
19 import javax.swing.AbstractAction JavaDoc;
20 import org.apache.log4j.Logger;
21
22 /**
23  * Encapsulates the action to exit.
24  *
25  * @author <a HREF="mailto:oliver@puppycrawl.com">Oliver Burn</a>
26  * @version 1.0
27  */

28 class ExitAction
29     extends AbstractAction JavaDoc
30 {
31     /** use to log messages **/
32     private static final Logger LOG = Logger.getLogger(ExitAction.class);
33     /** The instance to share **/
34     public static final ExitAction INSTANCE = new ExitAction();
35
36     /** Stop people creating instances **/
37     private ExitAction() {}
38
39     /**
40      * Will shutdown the application.
41      * @param aIgnore ignored
42      */

43     public void actionPerformed(ActionEvent JavaDoc aIgnore) {
44         LOG.info("shutting down");
45         System.exit(0);
46     }
47 }
48
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