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Listing 4. MyMulticaster1 Class

import java.awt.* ;
import java.util.* ;
public class MyMulticaster1 extends
 AWTEventMulticaster implements  EmailEntryListener
{
   // need a constructor.
   public MyMulticaster1( EventListener l1,
      EventListener l2 )
   {
   super( l1,l2 ) ;
   }
   // email entry events
   public static EmailEntryListener add(
      EmailEntryListener x,
      EmailEntryListener y )
   {
      return ( EmailEntryListener )
         addInternal( x, y ) ;
   }
   public static EmailEntryListener remove(
      EmailEntryListener x,
      EmailEntryListener y )
   {
      return ( EmailEntryListener )
         removeInternal( x, y ) ;
   }
   public void done( EmailEntryEvent e ) {
      ((EmailEntryListener)a).done( e ) ;
      ((EmailEntryListener)b).done( e ) ;
   }
   public void cancel( EmailEntryEvent e ) {
      ((EmailEntryListener)a).cancel( e ) ;
      ((EmailEntryListener)b).cancel( e ) ;
   }
}
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