1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 import javax.swing.JFrame;
23 import javax.swing.JScrollPane;
24 
25 class EventLogger
26 {
Instance()27     public static synchronized EventLogger Instance ()
28     {
29         if (maInstance == null)
30             maInstance = new EventLogger();
31         return maInstance;
32     }
33 
EventLogger()34     private EventLogger ()
35     {
36         try
37         {
38             maFrame = new JFrame ();
39             maLogger = new TextLogger ();
40             maFrame.setContentPane (new JScrollPane (maLogger));
41 
42             maFrame.setSize (400,300);
43             maFrame.setVisible (true);
44         }
45         catch (Exception e)
46         {}
47     }
48 
49     private static EventLogger maInstance = null;
50     private JFrame maFrame;
51     private TextLogger maLogger;
52 }
53