BooleanComparator


1   package org.netbeans.modules.tasklist.usertasks.treetable;
2   
3   import java.util.Comparator  ;
4   
5   /**
6    * Compares Boolean values
7    */
8   public class BooleanComparator implements Comparator   {
9       public int compare(java.lang.Object   o1, java.lang.Object   o2) {
10          if (o1 == null && o2 == null)
11              return 0;
12          if (o1 == null)
13              return -1;
14          if (o2 == null)
15              return 1;
16          boolean b1 = ((Boolean  ) o1).booleanValue();
17          boolean b2 = ((Boolean  ) o2).booleanValue();
18          if (b1 == b2)
19              return 0;
20          if (b1)
21              return 1;
22          else
23              return -1;
24      }
25  }
26

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