Clover coverage report - Code Coverage for tapestry release 4.0-alpha-3
Coverage timestamp: Mon May 16 2005 09:05:49 EDT
file stats: LOC: 103   Methods: 6
NCLOC: 59   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
DefaultScriptSource.java 100% 85.7% 83.3% 86.4%
coverage coverage
 1   
 // Copyright 2004, 2005 The Apache Software Foundation
 2   
 //
 3   
 // Licensed under the Apache License, Version 2.0 (the "License");
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 // you may not use this file except in compliance with the License.
 5   
 // You may obtain a copy of the License at
 6   
 //
 7   
 //     http://www.apache.org/licenses/LICENSE-2.0
 8   
 //
 9   
 // Unless required by applicable law or agreed to in writing, software
 10   
 // distributed under the License is distributed on an "AS IS" BASIS,
 11   
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12   
 // See the License for the specific language governing permissions and
 13   
 // limitations under the License.
 14   
 
 15   
 package org.apache.tapestry.engine;
 16   
 
 17   
 import java.util.HashMap;
 18   
 import java.util.Map;
 19   
 
 20   
 import org.apache.hivemind.ApplicationRuntimeException;
 21   
 import org.apache.hivemind.ClassResolver;
 22   
 import org.apache.hivemind.Resource;
 23   
 import org.apache.tapestry.IScript;
 24   
 import org.apache.tapestry.Tapestry;
 25   
 import org.apache.tapestry.coerce.ValueConverter;
 26   
 import org.apache.tapestry.event.ResetEventListener;
 27   
 import org.apache.tapestry.script.ScriptParser;
 28   
 import org.apache.tapestry.services.ExpressionEvaluator;
 29   
 import org.apache.tapestry.util.xml.DocumentParseException;
 30   
 
 31   
 /**
 32   
  * Provides basic access to scripts available on the classpath. Scripts are cached in memory once
 33   
  * parsed.
 34   
  * 
 35   
  * @author Howard Lewis Ship
 36   
  * @since 1.0.2
 37   
  */
 38   
 
 39   
 public class DefaultScriptSource implements IScriptSource, ResetEventListener
 40   
 {
 41   
     private ClassResolver _classResolver;
 42   
 
 43   
     /** @since 4.0 */
 44   
     private ExpressionEvaluator _expressionEvaluator;
 45   
 
 46   
     /** @since 4.0 */
 47   
     private ValueConverter _valueConverter;
 48   
 
 49   
     private Map _cache = new HashMap();
 50   
 
 51  0
     public synchronized void resetEventDidOccur()
 52   
     {
 53  0
         _cache.clear();
 54   
     }
 55   
 
 56  5
     public synchronized IScript getScript(Resource resource)
 57   
     {
 58  5
         IScript result = (IScript) _cache.get(resource);
 59   
 
 60  5
         if (result != null)
 61  3
             return result;
 62   
 
 63  2
         result = parse(resource);
 64   
 
 65  2
         _cache.put(resource, result);
 66   
 
 67  2
         return result;
 68   
     }
 69   
 
 70  2
     private IScript parse(Resource resource)
 71   
     {
 72  2
         ScriptParser parser = new ScriptParser(_classResolver, _expressionEvaluator,
 73   
                 _valueConverter);
 74   
 
 75  2
         try
 76   
         {
 77  2
             return parser.parse(resource);
 78   
         }
 79   
         catch (DocumentParseException ex)
 80   
         {
 81  0
             throw new ApplicationRuntimeException(Tapestry.format(
 82   
                     "DefaultScriptSource.unable-to-parse-script",
 83   
                     resource), ex);
 84   
         }
 85   
     }
 86   
 
 87  2
     public void setClassResolver(ClassResolver classResolver)
 88   
     {
 89  2
         _classResolver = classResolver;
 90   
     }
 91   
 
 92   
     /** @since 4.0 */
 93  2
     public void setExpressionEvaluator(ExpressionEvaluator expressionEvaluator)
 94   
     {
 95  2
         _expressionEvaluator = expressionEvaluator;
 96   
     }
 97   
 
 98   
     /** @since 4.0 */
 99  2
     public void setValueConverter(ValueConverter valueConverter)
 100   
     {
 101  2
         _valueConverter = valueConverter;
 102   
     }
 103   
 }