1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.configuration.tree; 18 19 /** 20 * <p> 21 * A simple adapter class that simplifies writing custom node visitor 22 * implementations. 23 * </p> 24 * <p> 25 * This class provides dummy implementations for the methods defined in the 26 * {@code ConfigurationNodeVisitor} interface. Derived classes only need 27 * to override the methods they really need. 28 * </p> 29 * 30 * @author <a 31 * href="http://commons.apache.org/configuration/team-list.html">Commons 32 * Configuration team</a> 33 * @version $Id: ConfigurationNodeVisitorAdapter.java 1206464 2011-11-26 15:49:10Z oheger $ 34 */ 35 public class ConfigurationNodeVisitorAdapter implements 36 ConfigurationNodeVisitor 37 { 38 /** 39 * Empty dummy implementation of this interface method. 40 * 41 * @param node the node 42 */ 43 public void visitBeforeChildren(ConfigurationNode node) 44 { 45 } 46 47 /** 48 * Empty dummy implementation of this interface method. 49 * 50 * @param node the node 51 */ 52 public void visitAfterChildren(ConfigurationNode node) 53 { 54 } 55 56 /** 57 * Dummy implementation of this interface method. Returns always <b>false</b>. 58 * 59 * @return the terminate flag 60 */ 61 public boolean terminate() 62 { 63 return false; 64 } 65 }