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Java > Open Source Codes > net > sf > clirr > core > DiffListener


1 //////////////////////////////////////////////////////////////////////////////
2 // Clirr: compares two versions of a java library for binary compatibility
3 // Copyright (C) 2003 - 2005 Lars Kühne
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 2.1 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
20 package net.sf.clirr.core;
21
22 /**
23  * Listener for API differences.
24  *
25  * @author lkuehne
26  */
27 public interface DiffListener
28 {
29     /**
30      * Called when the listener should start listening.
31      * This gives implementations a chance to write some header info.
32      */
33     void start();
34
35     /**
36      * Called when an API difference has been detected.
37      * @param difference the difference that has been detected.
38      */
39     void reportDiff(ApiDifference difference);
40
41     /**
42      * Called when the listener should stop listening.
43      * This gives implementations a chance to write footer info,
44      * close files, etc.
45      */
46     void stop();
47 }
48
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