source/ch/cyberduck/core/NullComparator.java

   1 package ch.cyberduck.core;
   2
   3 /*
   4  *  Copyright (c) 2005 David Kocher. All rights reserved.
   5  *  http://cyberduck.ch/
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  Bug fixes, suggestions and comments should be sent to:
  18  *  dkocher@cyberduck.ch
  19  */
  20
  21 import java.util.Comparator;
  22
  23 /**
  24  * @version $Id$
  25  */
  26 public class NullComparator<V> implements Comparator<V>, java.io.Serializable {
  27     private static final long serialVersionUID = 2663541696462558462L;
  28
  29     @Override
  30     public int compare(V x, V y) {
  31         return 0;
  32     }
  33
  34     @Override
  35     public boolean equals(Object object) {
  36         if(null == object) {
  37             return false;
  38         }
  39         return object.getClass().equals(this.getClass());
  40     }
  41
  42     @Override
  43     public int hashCode() {
  44         return this.getClass().hashCode();
  45     }
  46 }