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Java > Open Source Codes > gnu > mail > treeutil > StatusListener


1 /*
2  * StatusListener.java
3  * Copyright (C) 1999 dog <dog@dog.net.uk>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  *
19  * You may retrieve the latest version of this library from
20  * http://www.dog.net.uk/knife/
21  */
22
23 package gnu.mail.treeutil;
24
25 import java.util.*;
26
27 /**
28  * A callback interface for passing status messages.
29  *
30  * @author dog@dog.net.uk
31  * @version 1.0.2
32  */
33 public interface StatusListener
34     extends EventListener
35 {
36
37     /**
38      * An operation started.
39      */
40     public void statusOperationStarted(StatusEvent event);
41
42     /**
43      * A progress update occurred.
44      */
45     public void statusProgressUpdate(StatusEvent event);
46
47     /**
48      * An operation completed.
49      */
50     public void statusOperationEnded(StatusEvent event);
51
52 }
53
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