001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 * 
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 * 
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.log4j.lf5;
018
019import org.apache.log4j.lf5.viewer.LogBrokerMonitor;
020
021/**
022 * <code>AppenderFinalizer</code> has a single method that will finalize
023 * resources associated with a <code>LogBrokerMonitor</code> in the event
024 * that the <code>LF5Appender</code> class is destroyed, and the class loader
025 * is garbage collected.
026 *
027 * @author Brent Sprecher
028 */
029
030// Contributed by ThoughtWorks Inc.
031
032public class AppenderFinalizer {
033  //--------------------------------------------------------------------------
034  // Constants:
035  //--------------------------------------------------------------------------
036
037  //--------------------------------------------------------------------------
038  // Protected Variables:
039  //--------------------------------------------------------------------------
040
041  protected LogBrokerMonitor _defaultMonitor = null;
042
043  //--------------------------------------------------------------------------
044  // Private Variables:
045  //--------------------------------------------------------------------------
046
047  //--------------------------------------------------------------------------
048  // Constructors:
049  //--------------------------------------------------------------------------
050
051  public AppenderFinalizer(LogBrokerMonitor defaultMonitor) {
052    _defaultMonitor = defaultMonitor;
053  }
054  //--------------------------------------------------------------------------
055  // Public Methods:
056  //--------------------------------------------------------------------------
057
058  //--------------------------------------------------------------------------
059  // Protected Methods:
060  //--------------------------------------------------------------------------
061
062  /**
063   * @throws java.lang.Throwable
064   */
065  protected void finalize() throws Throwable {
066    System.out.println("Disposing of the default LogBrokerMonitor instance");
067    _defaultMonitor.dispose();
068  }
069
070  //--------------------------------------------------------------------------
071  // Private Methods:
072  //--------------------------------------------------------------------------
073
074  //--------------------------------------------------------------------------
075  // Nested Top-Level Classes or Interfaces:
076  //--------------------------------------------------------------------------
077
078}