Clover coverage report - Code Coverage for tapestry-contrib release 4.0-alpha-3
Coverage timestamp: Mon May 16 2005 09:12:41 EDT
file stats: LOC: 105   Methods: 4
NCLOC: 62   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
AbstractTableDataModel.java 0% 0% 0% 0%
coverage
 1   
 // Copyright 2004, 2005 The Apache Software Foundation
 2   
 //
 3   
 // Licensed under the Apache License, Version 2.0 (the "License");
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 // 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.contrib.table.model.common;
 16   
 
 17   
 import java.lang.ref.WeakReference;
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 import java.util.ArrayList;
 19   
 import java.util.Iterator;
 20   
 import java.util.List;
 21   
 
 22   
 import org.apache.tapestry.contrib.table.model.CTableDataModelEvent;
 23   
 import org.apache.tapestry.contrib.table.model.ITableDataModel;
 24   
 import org.apache.tapestry.contrib.table.model.ITableDataModelListener;
 25   
 
 26   
 /**
 27   
  * An implementation of the listener support in the ITableDataModel interface
 28   
  * 
 29   
  * @author mindbridge
 30   
  */
 31   
 public abstract class AbstractTableDataModel implements ITableDataModel
 32   
 {
 33   
     private List m_arrListeners;
 34   
 
 35  0
     public AbstractTableDataModel()
 36   
     {
 37  0
         m_arrListeners = new ArrayList();
 38   
     }
 39   
 
 40   
     /**
 41   
      * Method fireTableDataModelEvent.
 42   
      * Fires a change event to all listeners
 43   
      * @param objEvent the event to pass to the listeners
 44   
      */
 45  0
     protected void fireTableDataModelEvent(CTableDataModelEvent objEvent)
 46   
     {
 47  0
         synchronized (m_arrListeners) {
 48  0
             List arrEmptyReferences = null;
 49   
         
 50  0
             for (Iterator it = m_arrListeners.iterator(); it.hasNext();)
 51   
             {
 52  0
                 WeakReference objRef = (WeakReference) it.next();
 53  0
                 ITableDataModelListener objListener =
 54   
                     (ITableDataModelListener) objRef.get();
 55  0
                 if (objListener != null) 
 56  0
                     objListener.tableDataChanged(objEvent);
 57   
                 else {
 58  0
                     if (arrEmptyReferences == null)
 59  0
                         arrEmptyReferences = new ArrayList();
 60  0
                     arrEmptyReferences.add(objRef);
 61   
                 }
 62   
             }
 63   
 
 64  0
             if (arrEmptyReferences != null)
 65  0
                 m_arrListeners.removeAll(arrEmptyReferences);
 66   
         }
 67   
     }
 68   
 
 69   
     /**
 70   
      * @see org.apache.tapestry.contrib.table.model.ITableDataModel#addTableDataModelListener(ITableDataModelListener)
 71   
      */
 72  0
     public void addTableDataModelListener(ITableDataModelListener objListener)
 73   
     {
 74  0
         synchronized (m_arrListeners) {
 75  0
             m_arrListeners.add(new WeakReference(objListener));
 76   
         }
 77   
     }
 78   
 
 79   
     /**
 80   
      * @see org.apache.tapestry.contrib.table.model.ITableDataModel#removeTableDataModelListener(ITableDataModelListener)
 81   
      */
 82  0
     public void removeTableDataModelListener(ITableDataModelListener objListener)
 83   
     {
 84  0
         synchronized (m_arrListeners) {
 85  0
             List arrEmptyReferences = null;
 86   
         
 87  0
             for (Iterator it = m_arrListeners.iterator(); it.hasNext();)
 88   
             {
 89  0
                 WeakReference objRef = (WeakReference) it.next();
 90  0
                 ITableDataModelListener objStoredListener =
 91   
                     (ITableDataModelListener) objRef.get();
 92  0
                 if (objListener == objStoredListener || objStoredListener == null) { 
 93  0
                     if (arrEmptyReferences == null)
 94  0
                         arrEmptyReferences = new ArrayList();
 95  0
                     arrEmptyReferences.add(objRef);
 96   
                 }
 97   
             }
 98   
 
 99  0
             if (arrEmptyReferences != null)
 100  0
                 m_arrListeners.removeAll(arrEmptyReferences);
 101   
         }
 102   
     }
 103   
 
 104   
 }
 105