/* * 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.lf5.viewer.categoryexplorer;import javax.swing.event.TreeModelEvent;import javax.swing.event.TreeModelListener;/** * Default implementation of TreeModelListener which does nothing. * * @author Richard Wan */// Contributed by ThoughtWorks Inc.public class TreeModelAdapter implements TreeModelListener {  //--------------------------------------------------------------------------  //   Constants:  //--------------------------------------------------------------------------  //--------------------------------------------------------------------------  //   Protected Variables:  //--------------------------------------------------------------------------  //--------------------------------------------------------------------------  //   Private Variables:  //--------------------------------------------------------------------------  //--------------------------------------------------------------------------  //   Constructors:  //--------------------------------------------------------------------------  //--------------------------------------------------------------------------  //   Public Methods:  //--------------------------------------------------------------------------  public void treeNodesChanged(TreeModelEvent e) {  }  public void treeNodesInserted(TreeModelEvent e) {  }  public void treeNodesRemoved(TreeModelEvent e) {  }  public void treeStructureChanged(TreeModelEvent e) {  }  //--------------------------------------------------------------------------  //   Protected Methods:  //--------------------------------------------------------------------------  //--------------------------------------------------------------------------  //   Private Methods:  //--------------------------------------------------------------------------  //--------------------------------------------------------------------------  //   Nested Top-Level Classes or Interfaces  //--------------------------------------------------------------------------}