Coverage Report - org.apache.tapestry.enhance.InjectRenderWorker
 
Classes in this File Line Coverage Branch Coverage Complexity
InjectRenderWorker
0%
0/16
0%
0/4
1.25
 
 1  
 // Copyright 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 org.apache.hivemind.ErrorLog;
 18  
 import org.apache.hivemind.util.Defense;
 19  
 import org.apache.tapestry.services.ComponentRenderWorker;
 20  
 import org.apache.tapestry.spec.IComponentSpecification;
 21  
 
 22  
 /**
 23  
  * Injects the component's render worker chain as the
 24  
  * {@link org.apache.tapestry.IComponent renderWorker}property.
 25  
  * 
 26  
  * @author jkuhnert
 27  
  * @since 4.1
 28  
  */
 29  0
 public class InjectRenderWorker implements EnhancementWorker
 30  
 {
 31  
 
 32  
     public static final String PROPERTY_NAME = "renderWorker";
 33  
     
 34  
     private ErrorLog _errorLog;
 35  
     
 36  
     private ComponentRenderWorker _renderWorker;
 37  
     
 38  
     public void performEnhancement(EnhancementOperation op, IComponentSpecification spec)
 39  
     {
 40  
         try
 41  
         {
 42  0
             injectRenderWorker(op, spec);
 43  
         }
 44  0
         catch (Exception ex)
 45  
         {
 46  0
             _errorLog.error(EnhanceMessages.errorAddingProperty(PROPERTY_NAME, op.getBaseClass(), ex), 
 47  
                     spec.getLocation(), ex);
 48  0
         }
 49  0
     }
 50  
     
 51  
     public void injectRenderWorker(EnhancementOperation op, IComponentSpecification spec)
 52  
     {
 53  0
         Defense.notNull(op, "op");
 54  0
         Defense.notNull(spec, "spec");
 55  
         
 56  0
         op.claimReadonlyProperty(PROPERTY_NAME);
 57  
         
 58  0
         String fieldName = op.addInjectedField("_$" + PROPERTY_NAME, ComponentRenderWorker.class, _renderWorker);
 59  
         
 60  0
         EnhanceUtils.createSimpleAccessor(op, fieldName,
 61  
                 PROPERTY_NAME, ComponentRenderWorker.class,
 62  
                 spec.getLocation());
 63  0
     }
 64  
     
 65  
     public void setErrorLog(ErrorLog errorLog)
 66  
     {
 67  0
         _errorLog = errorLog;
 68  0
     }
 69  
     
 70  
     public void setRenderWorker(ComponentRenderWorker worker)
 71  
     {
 72  0
         _renderWorker = worker;
 73  0
     }
 74  
 }