import  java.awt.event.MouseEvent;
 import  java.awt.event.MouseListener;
 import  java.util.ArrayList;
 import  java.util.Iterator;
 import  java.util.List;

 public   class  IHaveMouseListeners
{
    List listeners =  new  ArrayList();

     public   void  addListener(MouseListener listener)
    {
        listeners.add(listener);
    }

     public   void  removeListener(MouseListener listener)
    {
        listeners.remove(listener);
    }

    /**
     * Mouse was clicked somewhere, and you want to let your listeners know
     * about this
     */
     private   void  fireMouseClicked(MouseEvent me)
    {
        Iterator iter = listeners.iterator();
         while  (iter.hasNext())
        {
            MouseListener listener = (MouseListener) iter.next();
            listener.mouseClicked(me);
        }
    }
}