Coverage Report - org.apache.tapestry.components.InvokeListener
 
Classes in this File Line Coverage Branch Coverage Complexity
InvokeListener
100% 
N/A 
1
 
 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.components;
 16  
 
 17  
 import org.apache.tapestry.AbstractComponent;
 18  
 import org.apache.tapestry.IActionListener;
 19  
 import org.apache.tapestry.IMarkupWriter;
 20  
 import org.apache.tapestry.IRequestCycle;
 21  
 import org.apache.tapestry.link.DirectLink;
 22  
 import org.apache.tapestry.listener.ListenerInvoker;
 23  
 
 24  
 /**
 25  
  * Invokes a listener method, passing listener parameters. This is used when a
 26  
  * page or component needs some setup logic that can be best accomplished in
 27  
  * Java code.
 28  
  * 
 29  
  * @author Howard M. Lewis Ship
 30  
  * @since 4.0
 31  
  */
 32  2
 public abstract class InvokeListener extends AbstractComponent
 33  
 {
 34  
 
 35  
     protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
 36  
     {
 37  2
         Object[] parameters = DirectLink
 38  
                 .constructServiceParameters(getParameters());
 39  
 
 40  
         try
 41  
         {
 42  2
             cycle.setListenerParameters(parameters);
 43  
 
 44  2
             getListenerInvoker().invokeListener(getListener(), this, cycle);
 45  
         }
 46  
         finally
 47  
         {
 48  2
             cycle.setListenerParameters(null);
 49  1
         }
 50  1
     }
 51  
 
 52  
     /** Parameter. */
 53  
     public abstract IActionListener getListener();
 54  
 
 55  
     /** Parameter. */
 56  
     public abstract Object getParameters();
 57  
 
 58  
     /** Injected. */
 59  
     public abstract ListenerInvoker getListenerInvoker();
 60  
 }