001 // Copyright 2005 The Apache Software Foundation 002 // 003 // Licensed under the Apache License, Version 2.0 (the "License"); 004 // you may not use this file except in compliance with the License. 005 // You may obtain a copy of the License at 006 // 007 // http://www.apache.org/licenses/LICENSE-2.0 008 // 009 // Unless required by applicable law or agreed to in writing, software 010 // distributed under the License is distributed on an "AS IS" BASIS, 011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 // See the License for the specific language governing permissions and 013 // limitations under the License. 014 015 package org.apache.hivemind.schema.rules; 016 017 import org.apache.hivemind.Element; 018 import org.apache.hivemind.schema.Rule; 019 import org.apache.hivemind.schema.SchemaProcessor; 020 import org.apache.hivemind.schema.Translator; 021 022 /** 023 * A rule that reads the element's content, passes it through the content translator, then pushes 024 * the result onto the processor stack. 025 * 026 * @since 1.1 027 * @author Knut Wannheden 028 */ 029 public class PushContentRule extends BaseRule implements Rule 030 { 031 /** 032 * Uses the content translator to convert the element content into an object and pushes that 033 * object onto the processor stack. 034 */ 035 public void begin(SchemaProcessor processor, Element element) 036 { 037 Translator t = processor.getContentTranslator(); 038 039 String value = RuleUtils.processText(processor, element, element.getContent()); 040 041 Object finalValue = t.translate( 042 processor.getContributingModule(), 043 Object.class, 044 value, 045 element.getLocation()); 046 047 processor.push(finalValue); 048 } 049 050 /** 051 * Invokes {@link SchemaProcessor#pop()}. 052 */ 053 public void end(SchemaProcessor processor, Element element) 054 { 055 processor.pop(); 056 } 057 }