public class ServiceListener implements Runnable,ActionListener

....

public void run() {

....
                if (processor.getClass()==SMTPProcessor.class) {
                    
                    ((SMTPProcessor)processor).addActionEventListener(this);
                }
                    
                //Create, name, and start a new thread to handle this request.
                threadPool[index] = new Thread(processor, threadNameBase + ":" + ++threadCount );
                threadPool[index].start();

....
}
....
    public void actionPerformed(ActionEvent arg0) {
        System.out.println("UN NOUVEAU MAIL VIENT D'ARRIVER !!!!");
        
    }

}