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Java > Open Source Codes > com > j2biz > blogunity > util > CommentComparator


1 /*
2  * $Id: CommentComparator.java,v 1.4 2005/01/07 01:43:45 michelson Exp $
3  *
4  * Copyright (c) 2004 j2biz Group, http://www.j2biz.com
5  * Koeln / Duesseldorf , Germany
6  *
7  * @author Max Kalina
8  *
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23  *
24  */
25 package com.j2biz.blogunity.util;
26
27 import java.io.Serializable JavaDoc;
28 import java.util.Comparator JavaDoc;
29
30 import com.j2biz.blogunity.exception.BlogunityRuntimeException;
31 import com.j2biz.blogunity.i18n.I18N;
32 import com.j2biz.blogunity.i18n.I18NStatusFactory;
33 import com.j2biz.blogunity.pojo.Comment;
34
35 /**
36  * @author michelson
37  * @version $$
38  * @since 0.1
39  *
40  *
41  */
42 public class CommentComparator implements Comparator JavaDoc,Serializable JavaDoc {
43
44     /**
45      * Comment for <code>serialVersionUID</code>
46      */
47     private static final long serialVersionUID = 3834594287970301240L;
48
49     /*
50      * (non-Javadoc)
51      *
52      * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
53      */
54     public int compare(Object JavaDoc o1, Object JavaDoc o2) {
55         try {
56             Comment c1 = (Comment) o1;
57             Comment c2 = (Comment) o2;
58
59             return (int) (c1.getCreateTime().getTime() - c2.getCreateTime().getTime());
60
61         } catch (Exception JavaDoc e) {
62             throw new BlogunityRuntimeException(I18NStatusFactory.create(
63                     I18N.ERRORS.UNABLE_TO_COMPARE, new String JavaDoc[]{"comments"}, e));
64         }
65     }
66 }
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