util/UniqueValues.java

   1
   2 package org.de.metux.util;
   3
   4 import java.util.Hashtable;
   5 import java.util.Enumeration;
   6
   7 public class UniqueValues
   8 {
   9     public static String[] unique(String par[])
  10     {
  11         Hashtable ht = new Hashtable();
  12
  13         if (par==null)
  14             return null;
  15
  16         for (int x=0; x<par.length; x++)
  17             ht.put(par[x],par[x]);
  18
  19         String out[] = new String[ht.size()];
  20         int a = 0;
  21         for (Enumeration e=ht.keys(); e.hasMoreElements(); )
  22             out[a++] = (String)e.nextElement();
  23
  24         return out;
  25     }
  26 }