SnipPostNameComparator


1   /*
2    * This file is part of "SnipSnap Wiki/Weblog".
3    *
4    * Copyright (c) 2002 Stephan J. Schmidt, Matthias L. Jugel
5    * All Rights Reserved.
6    *
7    * Please visit http://snipsnap.org/ for updates and contact.
8    *
9    * --LICENSE NOTICE--
10   * This program is free software; you can redistribute it and/or
11   * modify it under the terms of the GNU General Public License
12   * as published by the Free Software Foundation; either version 2
13   * of the License, or (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., 675 Mass Ave, Cambridge, MA 02139, USA.
23   * --LICENSE NOTICE--
24   */
25  
26  package org.snipsnap.snip;
27  
28  import java.util.Comparator  ;
29  
30  /**
31   * Compares snips with names like 2003-10-11/3 and sorts them
32   * in reverse order
33   *
34   * 2003-10-05/11 2003-10-06/1  2003-10-05/1 2003-10-05/2
35   *
36   * is sorted to:
37   *
38   * 2003-10-06/1 2003-10-05/11 2003-10-05/2 2003-10-05/1
39   *
40   * @author stephan
41   * @version $Id: SnipPostNameComparator.java 1042 2003-10-21 13:27:46Z stephan $
42   */
43  
44  public class SnipPostNameComparator implements Comparator   {
45    private Comparator   comparator = new PostNameComparator();
46  
47    public int compare(Object   o1, Object   o2) {
48      if (! (o1 instanceof Snip) || !( o2 instanceof Snip)) {
49        throw new ClassCastException  ();
50      }
51      Snip snip1 = (Snip) o1;
52      Snip snip2 = (Snip) o2;
53      return comparator.compare(snip1.getName(), snip2.getName());
54    }
55  }
56
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