1 /* $Id: ContainerCustomRules.java 1102402 2011-05-12 18:03:26Z simonetripodi $ 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one or more 4 * contributor license agreements. See the NOTICE file distributed with 5 * this work for additional information regarding copyright ownership. 6 * The ASF licenses this file to You under the Apache License, Version 2.0 7 * (the "License"); you may not use this file except in compliance with 8 * the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 package org.apache.commons.digester3.plugins; 20 21 import org.apache.commons.digester3.Digester; 22 import org.apache.commons.digester3.plugins.PluginCreateRule; 23 import org.apache.commons.digester3.plugins.PluginDeclarationRule; 24 25 public class ContainerCustomRules 26 { 27 public static void addRules( Digester digester, String pattern ) 28 { 29 // A Container object can have subtags called "widget" which 30 // define any object of type Widget. Because a Container is 31 // itself a widget, this allows us to build trees of objects. 32 PluginCreateRule pcr = new PluginCreateRule( Widget.class ); 33 digester.addRule( pattern + "/widget", pcr ); 34 digester.addSetNext( pattern + "/widget", "addChild" ); 35 36 // allow users to declare plugins under a container as well 37 PluginDeclarationRule pdr = new PluginDeclarationRule(); 38 digester.addRule( pattern + "/plugin", pdr ); 39 } 40 }