Coverage Report - org.apache.tapestry.annotations.InitialValueAnnotationWorker
 
Classes in this File Line Coverage Branch Coverage Complexity
InitialValueAnnotationWorker
0%
0/15
0%
0/6
3
 
 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.annotations;
 16  
 
 17  
 import java.lang.reflect.Method;
 18  
 
 19  
 import org.apache.hivemind.Location;
 20  
 import org.apache.hivemind.Resource;
 21  
 import org.apache.tapestry.enhance.EnhancementOperation;
 22  
 import org.apache.tapestry.spec.IComponentSpecification;
 23  
 import org.apache.tapestry.spec.IPropertySpecification;
 24  
 import org.apache.tapestry.spec.PropertySpecification;
 25  
 
 26  
 /**
 27  
  * Looks for {@link org.apache.tapestry.annotations.InitialValue} annotations on methods that don't
 28  
  * have a {@link org.apache.tapestry.annotations.Persist} annotation (that's handled by
 29  
  * {@link org.apache.tapestry.annotations.PersistAnnotationWorker}); adds an
 30  
  * {@link org.apache.tapestry.spec.IPropertySpecification} for the property, so that its initial
 31  
  * value may be set.
 32  
  * 
 33  
  * @author Howard M. Lewis Ship
 34  
  * @since 4.0
 35  
  */
 36  0
 public class InitialValueAnnotationWorker implements SecondaryAnnotationWorker
 37  
 {
 38  
     /**
 39  
      * Returns true if the method has the InitialValue annotation.
 40  
      */
 41  
     public boolean canEnhance(Method method)
 42  
     {
 43  0
         return method.getAnnotation(InitialValue.class) != null;
 44  
     }
 45  
 
 46  
     public void peformEnhancement(EnhancementOperation op, IComponentSpecification spec,
 47  
             Method method, Resource classResource)
 48  
     {
 49  0
         InitialValue iv = method.getAnnotation(InitialValue.class);
 50  
 
 51  0
         if (iv == null)
 52  0
             return;
 53  
 
 54  0
         if (method.getAnnotation(Persist.class) != null)
 55  0
             return;
 56  
 
 57  0
         Location location = AnnotationUtils.buildLocationForAnnotation(method, iv, classResource);
 58  
 
 59  0
         String propertyName = AnnotationUtils.getPropertyName(method);
 60  
 
 61  
         // Define a transient property
 62  
 
 63  0
         IPropertySpecification pspec = new PropertySpecification();
 64  
 
 65  0
         pspec.setName(propertyName);
 66  0
         pspec.setLocation(location);
 67  0
         pspec.setInitialValue(iv.value());
 68  
 
 69  0
         spec.addPropertySpecification(pspec);
 70  0
     }
 71  
 }