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1   /*
2   Karma core - Core of the Karma application
3   Copyright (C) 2004  Toolforge <www.toolforge.nl>
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  package nl.toolforge.karma.core.module;
20  
21  import nl.toolforge.karma.core.KarmaRuntimeException;
22  
23  import java.util.Comparator;
24  
25  /***
26   * @author D.A. Smedes
27   * @version $Id: ModuleComparator.java,v 1.2 2004/11/10 23:53:09 asmedes Exp $
28   */
29  public class ModuleComparator implements Comparator {
30  
31    public int compare(Object o1, Object o2) {
32  
33      if ((!(o1 instanceof Module)) || (!(o1 instanceof Module))) {
34        throw new KarmaRuntimeException("Don't compare apples with pears; they are not the same ... (use Module instances).");
35      }
36  
37      String n1 = ((Module) o1).getName();
38      String n2 = ((Module) o2).getName();
39  
40      return n1.compareTo(n2);
41    }
42  }