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 015package org.apache.tapestry.script; 016 017import java.util.Map; 018 019import org.apache.hivemind.Location; 020import org.apache.hivemind.Resource; 021import org.apache.tapestry.IRequestCycle; 022import org.apache.tapestry.IScript; 023import org.apache.tapestry.IScriptProcessor; 024import org.apache.tapestry.coerce.ValueConverter; 025import 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 034public 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}