中文比较器

自己写了两种方法的中文比较器, 

private class ListComparator implements Comparator{
     Collator collator = Collator.getInstance();
  public int compare(Object o1, Object o2) {
   PIResource res1=(PIResource)o1;
   PIResource res2=(PIResource)o2;    
//      String s1=new   String(res1.getKoResource().getName().getBytes("GB2312"),"ISO-8859-1");    
//       String   s2=new   String(res2.getKoResource().getName().getBytes("GB2312"),"ISO-8859-1"); 
    CollationKey s1=collator.getCollationKey(res1.getKoResource().getName());
    CollationKey s2=collator.getCollationKey(res2.getKoResource().getName());   
   return s1.compareTo(s2);
  } 
  
 }

  Collections.sort(piResources, new ListComparator());