Coverage Report - org.apache.tapestry.binding.BeanBinding
 
Classes in this File Line Coverage Branch Coverage Complexity
BeanBinding
0%
0/9
N/A
1
 
 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.binding;
 16  
 
 17  
 import org.apache.hivemind.Location;
 18  
 import org.apache.hivemind.util.Defense;
 19  
 import org.apache.tapestry.IComponent;
 20  
 import org.apache.tapestry.coerce.ValueConverter;
 21  
 
 22  
 /**
 23  
  * Binding whose value is a named bean provided by a component.
 24  
  * 
 25  
  * @author Howard M. Lewis Ship
 26  
  * @since 4.0
 27  
  */
 28  
 public class BeanBinding extends AbstractBinding
 29  
 {
 30  
     private final IComponent _component;
 31  
 
 32  
     private final String _beanName;
 33  
 
 34  
     public BeanBinding(String description, ValueConverter valueConverter, Location location,
 35  
             IComponent component, String beanName)
 36  
     {
 37  0
         super(description, valueConverter, location);
 38  
 
 39  0
         Defense.notNull(component, "component");
 40  0
         Defense.notNull(beanName, "beanName");
 41  
 
 42  0
         _component = component;
 43  0
         _beanName = beanName;
 44  0
     }
 45  
 
 46  
     /**
 47  
      * Beans obtained via the binding should *not* be cached by the component because beans may be
 48  
      * discarded inside the {@link org.apache.tapestry.bean.BeanProvider} based on the life cycle of
 49  
      * the bean.  The BeanProvider caches beans as well.
 50  
      */
 51  
 
 52  
     public boolean isInvariant()
 53  
     {
 54  0
         return false;
 55  
     }
 56  
 
 57  
     public Object getComponent()
 58  
     {
 59  0
         return _component;
 60  
     }
 61  
 
 62  
     public Object getObject()
 63  
     {
 64  0
         return _component.getBeans().getBean(_beanName);
 65  
     }
 66  
 
 67  
 }