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 java.util.Map; 018 019 import org.apache.hivemind.Location; 020 import org.apache.hivemind.Resource; 021 import org.apache.tapestry.IRequestCycle; 022 import org.apache.tapestry.IScript; 023 import org.apache.tapestry.IScriptProcessor; 024 import org.apache.tapestry.coerce.ValueConverter; 025 import org.apache.tapestry.services.ExpressionEvaluator; 026 027 /** 028 * A top level container for a number of {@link IScriptToken script tokens}. 029 * 030 * @author Howard Lewis Ship 031 * @since 0.2.9 032 */ 033 034 public class ParsedScript extends AbstractToken implements IScript 035 { 036 private Resource _scriptResource; 037 038 private ExpressionEvaluator _evaluator; 039 040 /** @since 4.0 */ 041 042 private ValueConverter _valueConverter; 043 044 public ParsedScript(ExpressionEvaluator evaluator, ValueConverter valueConverter, 045 Location location) 046 { 047 super(location); 048 049 _evaluator = evaluator; 050 _valueConverter = valueConverter; 051 _scriptResource = location.getResource(); 052 } 053 054 public Resource getScriptResource() 055 { 056 return _scriptResource; 057 } 058 059 /** 060 * Creates the {@link ScriptSessionImpl}and invokes 061 * {@link org.apache.tapestry.script.AbstractToken#writeChildren(java.lang.StringBuffer, org.apache.tapestry.script.ScriptSession)}. 062 */ 063 public void execute(IRequestCycle cycle, IScriptProcessor processor, Map symbols) 064 { 065 ScriptSession session = new ScriptSessionImpl(_scriptResource, cycle, processor, 066 _evaluator, _valueConverter, symbols); 067 068 writeChildren(null, session); 069 } 070 071 /** 072 * Does nothing; never invoked. 073 */ 074 public void write(StringBuffer buffer, ScriptSession session) 075 { 076 077 } 078 079 }