/*
 *  Copyright 1999-2004 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.apache.commons.collections.iterators;

import java.util.Iterator;

import org.apache.commons.collections.PredicateUtils;

/** 
 * A FilterIterator which only returns "unique" Objects.  Internally,
 * the Iterator maintains a Set of objects it has already encountered,
 * and duplicate Objects are skipped.
 *
 * @since Commons Collections 2.1
 * @version $Revision: 1.8 $ $Date: 2004/02/18 00:59:50 $
 * 
 * @author Morgan Delagrange
 */
public class UniqueFilterIterator extends FilterIterator {
       
    //-------------------------------------------------------------------------
    
    /**
     *  Constructs a new <code>UniqueFilterIterator</code>.
     *
     *  @param iterator  the iterator to use
     */
    public UniqueFilterIterator( Iterator iterator ) {
        super(iterator, PredicateUtils.uniquePredicate());
    }

}

@@ -739,16 +739,31 @@
 ections.
+functors.Unique
 Predicat
@@ -763,21 +763,16 @@
 redicate
-Utils
 ;%0A%0A/** %0A
@@ -1012,17 +1012,17 @@
 sion: 1.
-8
+9
  $ $Date
@@ -1033,21 +1033,21 @@
 04/0
-2/18 00:59:50
+5/07 23:29:02
  $%0A 
@@ -1445,24 +1445,9 @@
 or, 
-PredicateUtils.u
+U
 niqu
@@ -1456,16 +1456,28 @@
 redicate
+.getInstance
 ());%0A   

Change to UniquePredicate to avoid indirect references via PredicateUtils