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: 96   Methods: 3
NCLOC: 51   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
AbstractPropertyWorker.java 100% 100% 100% 100%
coverage
 1   
 // Copyright 2004, 2005 The Apache Software Foundation
 2   
 //
 3   
 // Licensed under the Apache License, Version 2.0 (the "License");
 4   
 // 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.enhance;
 16   
 
 17   
 import java.util.Iterator;
 18   
 
 19   
 import org.apache.hivemind.ErrorLog;
 20   
 import org.apache.tapestry.IComponent;
 21   
 import org.apache.tapestry.event.PageDetachListener;
 22   
 import org.apache.tapestry.spec.IComponentSpecification;
 23   
 
 24   
 /**
 25   
  * No, this class isn't abstract ... this worker locates abstract properties in the base component
 26   
  * class and provides a concrete implementation for them in the enhanced class.
 27   
  * 
 28   
  * @author Howard M. Lewis Ship
 29   
  * @since 4.0
 30   
  */
 31   
 public class AbstractPropertyWorker implements EnhancementWorker
 32   
 {
 33   
     private ErrorLog _errorLog;
 34   
 
 35  526
     public void performEnhancement(EnhancementOperation op, IComponentSpecification spec)
 36   
     {
 37  526
         Iterator i = op.findUnclaimedAbstractProperties().iterator();
 38   
 
 39  526
         while (i.hasNext())
 40   
         {
 41  417
             String name = (String) i.next();
 42   
 
 43  417
             try
 44   
             {
 45  417
                 createProperty(op, name);
 46   
             }
 47   
             catch (Exception ex)
 48   
             {
 49  1
                 _errorLog.error(
 50   
                         EnhanceMessages.errorAddingProperty(name, op.getBaseClass(), ex),
 51   
                         spec.getLocation(),
 52   
                         ex);
 53   
             }
 54   
         }
 55   
     }
 56   
 
 57  417
     private void createProperty(EnhancementOperation op, String name)
 58   
     {
 59   
         // This won't be null because its always for existing properties.
 60   
 
 61  417
         Class propertyType = op.getPropertyType(name);
 62   
 
 63  416
         String fieldName = "_$" + name;
 64  416
         String defaultFieldName = fieldName + "$defaultValue";
 65   
 
 66  416
         op.addField(fieldName, propertyType);
 67  416
         op.addField(defaultFieldName, propertyType);
 68   
 
 69  416
         EnhanceUtils.createSimpleAccessor(op, fieldName, name, propertyType);
 70  416
         EnhanceUtils.createSimpleMutator(op, fieldName, name, propertyType);
 71   
 
 72   
         // Copy the real attribute into the default attribute inside finish load
 73   
         // (allowing a default value to be set inside finishLoad()).
 74   
 
 75  416
         op.extendMethodImplementation(
 76   
                 IComponent.class,
 77   
                 EnhanceUtils.FINISH_LOAD_SIGNATURE,
 78   
                 defaultFieldName + " = " + fieldName + ";");
 79   
 
 80   
         // On page detach, restore the attribute to its default value.
 81   
 
 82  416
         op.extendMethodImplementation(
 83   
                 PageDetachListener.class,
 84   
                 EnhanceUtils.PAGE_DETACHED_SIGNATURE,
 85   
                 fieldName + " = " + defaultFieldName + ";");
 86   
 
 87   
         // This is not all that necessary, but is proper.
 88   
 
 89  416
         op.claimProperty(name);
 90   
     }
 91   
 
 92  46
     public void setErrorLog(ErrorLog errorLog)
 93   
     {
 94  46
         _errorLog = errorLog;
 95   
     }
 96   
 }