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 015package org.apache.hivemind.schema.rules; 016 017import org.apache.hivemind.Element; 018import org.apache.hivemind.schema.Rule; 019import org.apache.hivemind.schema.SchemaProcessor; 020import 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 */ 029public 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}