AppenderFinalizer


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.lf5;
17  
18  import org.apache.log4j.lf5.viewer.LogBrokerMonitor;
19  
20  /**
21   * <code>AppenderFinalizer</code> has a single method that will finalize
22   * resources associated with a <code>LogBrokerMonitor</code> in the event
23   * that the <code>LF5Appender</code> class is destroyed, and the class loader
24   * is garbage collected.
25   *
26   * @author Brent Sprecher
27   */
28  
29  // Contributed by ThoughtWorks Inc.
30  
31  public class AppenderFinalizer {
32    //--------------------------------------------------------------------------
33    // Constants:
34    //--------------------------------------------------------------------------
35  
36    //--------------------------------------------------------------------------
37    // Protected Variables:
38    //--------------------------------------------------------------------------
39  
40    protected LogBrokerMonitor _defaultMonitor = null;
41  
42    //--------------------------------------------------------------------------
43    // Private Variables:
44    //--------------------------------------------------------------------------
45  
46    //--------------------------------------------------------------------------
47    // Constructors:
48    //--------------------------------------------------------------------------
49  
50    public AppenderFinalizer(LogBrokerMonitor defaultMonitor) {
51      _defaultMonitor = defaultMonitor;
52    }
53    //--------------------------------------------------------------------------
54    // Public Methods:
55    //--------------------------------------------------------------------------
56  
57    //--------------------------------------------------------------------------
58    // Protected Methods:
59    //--------------------------------------------------------------------------
60  
61    /**
62     * @throws java.lang.Throwable
63     */
64    protected void finalize() throws Throwable   {
65      System.out.println("Disposing of the default LogBrokerMonitor instance");
66      _defaultMonitor.dispose();
67    }
68  
69    //--------------------------------------------------------------------------
70    // Private Methods:
71    //--------------------------------------------------------------------------
72  
73    //--------------------------------------------------------------------------
74    // Nested Top-Level Classes or Interfaces:
75    //--------------------------------------------------------------------------
76  
77  }
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