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.commons.configuration.tree; 018 019/** 020 * <p> 021 * A simple adapter class that simplifies writing custom node visitor 022 * implementations. 023 * </p> 024 * <p> 025 * This class provides dummy implementations for the methods defined in the 026 * {@code ConfigurationNodeVisitor} interface. Derived classes only need 027 * to override the methods they really need. 028 * </p> 029 * 030 * @author <a 031 * href="http://commons.apache.org/configuration/team-list.html">Commons 032 * Configuration team</a> 033 * @version $Id: ConfigurationNodeVisitorAdapter.java 1206464 2011-11-26 15:49:10Z oheger $ 034 */ 035public class ConfigurationNodeVisitorAdapter implements 036 ConfigurationNodeVisitor 037{ 038 /** 039 * Empty dummy implementation of this interface method. 040 * 041 * @param node the node 042 */ 043 public void visitBeforeChildren(ConfigurationNode node) 044 { 045 } 046 047 /** 048 * Empty dummy implementation of this interface method. 049 * 050 * @param node the node 051 */ 052 public void visitAfterChildren(ConfigurationNode node) 053 { 054 } 055 056 /** 057 * Dummy implementation of this interface method. Returns always <b>false</b>. 058 * 059 * @return the terminate flag 060 */ 061 public boolean terminate() 062 { 063 return false; 064 } 065}