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 */ 017 018 package org.apache.commons.betwixt.digester; 019 020 import org.apache.commons.betwixt.Descriptor; 021 import org.apache.commons.digester.Rule; 022 import org.xml.sax.Attributes; 023 024 /** 025 * Maps option tree to an option in the 026 * {@link org.apache.commons.betwixt.Options} 027 * on the current description. 028 * @author <a href='http://commons.apache.org/'>Apache Commons Team</a> 029 * @since 0.5 030 */ 031 public class OptionRule extends Rule { 032 033 private String currentValue; 034 private String currentName; 035 036 /** 037 * @see org.apache.commons.digester.Rule#begin(java.lang.String, java.lang.String, Attributes) 038 */ 039 public void begin(String namespace, String name, Attributes attributes) 040 throws Exception { 041 currentValue = null; 042 currentName = null; 043 } 044 045 046 047 /** 048 * @see org.apache.commons.digester.Rule#end(java.lang.String, java.lang.String) 049 */ 050 public void end(String namespace, String name) { 051 if (currentName != null && currentValue != null) { 052 Object top = getDigester().peek(); 053 if (top instanceof Descriptor) { 054 Descriptor descriptor = (Descriptor) top; 055 descriptor.getOptions().addOption(currentName, currentValue); 056 } 057 } 058 } 059 060 /** 061 * Gets the rule that maps the <code>name</code> element 062 * associated with the option 063 * @return <code>Rule</code>, not null 064 */ 065 public Rule getNameRule() { 066 return new Rule() { 067 public void body(String namespace, String name, String text) { 068 currentName = text; 069 } 070 }; 071 } 072 073 /** 074 * Gets the rule that maps the <code>value</code> element 075 * associated with the option 076 * @return <code>Rule</code>, not null 077 */ 078 public Rule getValueRule() { 079 return new Rule() { 080 public void body(String namespace, String name, String text) { 081 currentValue = text; 082 } 083 }; 084 } 085 }