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


1 /*
2  * $Id: VisitedPageComparator.java,v 1.1 2005/01/03 19:30:08 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
26 package com.j2biz.blogunity.util;
27
28 import java.io.Serializable JavaDoc;
29 import java.util.Comparator JavaDoc;
30
31 import com.j2biz.blogunity.exception.BlogunityRuntimeException;
32 import com.j2biz.blogunity.i18n.I18N;
33 import com.j2biz.blogunity.i18n.I18NStatusFactory;
34 import com.j2biz.blogunity.pojo.VisitedPage;
35
36 /**
37  * @author michelson
38  * @version $$
39  * @since 0.1
40  *
41  *
42  */
43 public class VisitedPageComparator implements Comparator JavaDoc, Serializable JavaDoc {
44
45     private static final long serialVersionUID = 3218698609149453556L;
46
47     /*
48      * (non-Javadoc)
49      *
50      * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
51      */
52     public int compare(Object JavaDoc o1, Object JavaDoc o2) {
53
54         try {
55             VisitedPage b1 = (VisitedPage) o1;
56             VisitedPage b2 = (VisitedPage) o2;
57
58             return (int) (b1.getVisitTime().getTime() - b2.getVisitTime().getTime());
59
60         } catch (Exception JavaDoc e) {
61
62             throw new BlogunityRuntimeException(I18NStatusFactory.create(
63                     I18N.ERRORS.UNABLE_TO_COMPARE, "visited pages", e));
64         }
65
66     }
67
68 }
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