001 // Copyright 2004, 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.tapestry.script; 016 017 import org.apache.tapestry.coerce.ValueConverter; 018 import org.apache.tapestry.services.ExpressionEvaluator; 019 import org.apache.tapestry.util.xml.BaseRule; 020 import org.apache.tapestry.util.xml.RuleDirectedParser; 021 import org.xml.sax.Attributes; 022 023 /** 024 * Rule for <script> element. Creates a {@link org.apache.tapestry.script.ParsedScript}. 025 * 026 * @author Howard Lewis Ship 027 * @since 3.0 028 */ 029 public class ScriptRule extends BaseRule 030 { 031 /** @since 4.0 */ 032 private ExpressionEvaluator _evaluator; 033 034 /** @since 4.0 */ 035 private ValueConverter _valueConverter; 036 037 public ScriptRule(ExpressionEvaluator evaluator, ValueConverter valueConverter) 038 { 039 _evaluator = evaluator; 040 _valueConverter = valueConverter; 041 } 042 043 public void endElement(RuleDirectedParser parser) 044 { 045 parser.pop(); 046 } 047 048 public void startElement(RuleDirectedParser parser, Attributes attributes) 049 { 050 ParsedScript script = new ParsedScript(_evaluator, _valueConverter, parser.getLocation()); 051 052 parser.push(script); 053 } 054 055 }