1 import javax.swing.JFrame;
2 import javax.swing.JScrollPane;
3 
4 class EventLogger
5 {
6     public static synchronized EventLogger Instance ()
7     {
8         if (maInstance == null)
9             maInstance = new EventLogger();
10         return maInstance;
11     }
12 
13     private EventLogger ()
14     {
15         try
16         {
17             maFrame = new JFrame ();
18             maLogger = new TextLogger ();
19             maFrame.setContentPane (new JScrollPane (maLogger));
20 
21             maFrame.setSize (400,300);
22             maFrame.setVisible (true);
23         }
24         catch (Exception e)
25         {}
26     }
27 
28     private static EventLogger maInstance = null;
29     private JFrame maFrame;
30     private TextLogger maLogger;
31 }
32