Coverage Report - org.apache.tapestry.listener.ListenerInvokerTerminator
 
Classes in this File Line Coverage Branch Coverage Complexity
ListenerInvokerTerminator
0%
0/6
0%
0/2
2
 
 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.listener;
 16  
 
 17  
 import org.apache.hivemind.util.Defense;
 18  
 import org.apache.tapestry.IActionListener;
 19  
 import org.apache.tapestry.IComponent;
 20  
 import org.apache.tapestry.IRequestCycle;
 21  
 
 22  
 /**
 23  
  * Terminator implementation for the tapestry.listener.InvokeListener pipeline;
 24  
  * this is what finally turns around and invokes
 25  
  * {@link org.apache.tapestry.IActionListener#actionTriggered(IComponent, IRequestCycle)}.
 26  
  * 
 27  
  * @author Howard M. Lewis Ship
 28  
  * @since 4.0
 29  
  */
 30  0
 public class ListenerInvokerTerminator implements ListenerInvoker
 31  
 {
 32  
 
 33  
     /**
 34  
      * @param listener
 35  
      *            to be invoked, may be null if no listener is found (a
 36  
      *            convienience for all the places where listeners are optional)
 37  
      * @param source
 38  
      *            the component generating the listener "event", to be passed to
 39  
      *            the listener. Not generally used, but may not be null.
 40  
      * @param cycle
 41  
      *            the current request cycle, to be passed to the listener.
 42  
      */
 43  
     public void invokeListener(IActionListener listener, IComponent source,
 44  
             IRequestCycle cycle)
 45  
     {
 46  0
         Defense.notNull(source, "source");
 47  0
         Defense.notNull(cycle, "cycle");
 48  
 
 49  0
         if (listener != null)
 50  0
             listener.actionTriggered(source, cycle);
 51  0
     }
 52  
 
 53  
 }