001/* $Id: ContainerCustomRules.java 1102402 2011-05-12 18:03:26Z simonetripodi $ 002 * 003 * Licensed to the Apache Software Foundation (ASF) under one or more 004 * contributor license agreements. See the NOTICE file distributed with 005 * this work for additional information regarding copyright ownership. 006 * The ASF licenses this file to You under the Apache License, Version 2.0 007 * (the "License"); you may not use this file except in compliance with 008 * the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019package org.apache.commons.digester3.plugins; 020 021import org.apache.commons.digester3.Digester; 022import org.apache.commons.digester3.plugins.PluginCreateRule; 023import org.apache.commons.digester3.plugins.PluginDeclarationRule; 024 025public class ContainerCustomRules 026{ 027 public static void addRules( Digester digester, String pattern ) 028 { 029 // A Container object can have subtags called "widget" which 030 // define any object of type Widget. Because a Container is 031 // itself a widget, this allows us to build trees of objects. 032 PluginCreateRule pcr = new PluginCreateRule( Widget.class ); 033 digester.addRule( pattern + "/widget", pcr ); 034 digester.addSetNext( pattern + "/widget", "addChild" ); 035 036 // allow users to declare plugins under a container as well 037 PluginDeclarationRule pdr = new PluginDeclarationRule(); 038 digester.addRule( pattern + "/plugin", pdr ); 039 } 040}