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1   /*
2    * $Id: DoubleClickListenerTag.java,v 1.1 2007/01/05 17:09:51 oeuillot Exp $
3    */
4   package org.rcfaces.core.internal.taglib;
5   
6   import javax.faces.FacesException;
7   import javax.faces.component.UIComponent;
8   
9   import org.apache.commons.logging.Log;
10  import org.apache.commons.logging.LogFactory;
11  import org.rcfaces.core.component.capability.IDoubleClickEventCapability;
12  import org.rcfaces.core.event.IDoubleClickListener;
13  
14  /**
15   * 
16   * @author Olivier Oeuillot (latest modification by $Author: oeuillot $)
17   * @version $Revision: 1.1 $ $Date: 2007/01/05 17:09:51 $
18   */
19  public class DoubleClickListenerTag extends AbstractListenerTag {
20  
21      private static final String REVISION = "$Revision: 1.1 $";
22  
23      private static final long serialVersionUID = -7064892566257135920L;
24  
25      private static final Log LOG = LogFactory
26              .getLog(DoubleClickListenerTag.class);
27  
28      protected void addListener(Object listener, UIComponent component) {
29          addDoubleClickListener(listener, component);
30      }
31  
32      public static void addDoubleClickListener(Object listener,
33              UIComponent component) {
34          if ((listener instanceof IDoubleClickListener) == false) {
35              throw new FacesException("Listener '" + listener
36                      + "' must implement IDoubleClickListener.");
37          }
38  
39          IDoubleClickListener doubleClickListener = (IDoubleClickListener) listener;
40  
41          if ((component instanceof IDoubleClickEventCapability) == false) {
42              LOG.error("Component '" + component.getId()
43                      + "' does not implement IDoubleClickEventCapability.");
44              return;
45          }
46  
47          ((IDoubleClickEventCapability) component)
48                  .addDoubleClickListener(doubleClickListener);
49  
50          if (LOG.isDebugEnabled()) {
51              LOG.debug("Add doubleClickListener '" + doubleClickListener
52                      + "' to component '" + component.getId() + "'.");
53          }
54      }
55  
56      protected String getListenerName() {
57          return "doubleClick";
58      }
59  
60  }