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 */ 017 018package org.apache.log4j.lf5.viewer.categoryexplorer; 019 020import javax.swing.event.TreeModelEvent; 021import javax.swing.event.TreeModelListener; 022 023/** 024 * Default implementation of TreeModelListener which does nothing. 025 * 026 * @author Richard Wan 027 */ 028 029// Contributed by ThoughtWorks Inc. 030 031public class TreeModelAdapter implements TreeModelListener { 032 //-------------------------------------------------------------------------- 033 // Constants: 034 //-------------------------------------------------------------------------- 035 036 //-------------------------------------------------------------------------- 037 // Protected Variables: 038 //-------------------------------------------------------------------------- 039 040 //-------------------------------------------------------------------------- 041 // Private Variables: 042 //-------------------------------------------------------------------------- 043 044 //-------------------------------------------------------------------------- 045 // Constructors: 046 //-------------------------------------------------------------------------- 047 048 //-------------------------------------------------------------------------- 049 // Public Methods: 050 //-------------------------------------------------------------------------- 051 public void treeNodesChanged(TreeModelEvent e) { 052 } 053 054 public void treeNodesInserted(TreeModelEvent e) { 055 } 056 057 public void treeNodesRemoved(TreeModelEvent e) { 058 } 059 060 public void treeStructureChanged(TreeModelEvent e) { 061 } 062 063 //-------------------------------------------------------------------------- 064 // Protected Methods: 065 //-------------------------------------------------------------------------- 066 067 //-------------------------------------------------------------------------- 068 // Private Methods: 069 //-------------------------------------------------------------------------- 070 071 //-------------------------------------------------------------------------- 072 // Nested Top-Level Classes or Interfaces 073 //-------------------------------------------------------------------------- 074} 075