diff --git a/src/java/org/apache/commons/collections/UniqueFilterIterator.java b/src/java/org/apache/commons/collections/UniqueFilterIterator.java deleted file mode 100644 index 7224f6e48..000000000 --- a/src/java/org/apache/commons/collections/UniqueFilterIterator.java +++ /dev/null @@ -1,98 +0,0 @@ -/* - * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/Attic/UniqueFilterIterator.java,v 1.4 2002/10/12 22:15:18 scolebourne Exp $ - * $Revision: 1.4 $ - * $Date: 2002/10/12 22:15:18 $ - * - * ==================================================================== - * - * The Apache Software License, Version 1.1 - * - * Copyright (c) 1999-2002 The Apache Software Foundation. All rights - * reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. The end-user documentation included with the redistribution, if - * any, must include the following acknowlegement: - * "This product includes software developed by the - * Apache Software Foundation (http://www.apache.org/)." - * Alternately, this acknowlegement may appear in the software itself, - * if and wherever such third-party acknowlegements normally appear. - * - * 4. The names "The Jakarta Project", "Commons", and "Apache Software - * Foundation" must not be used to endorse or promote products derived - * from this software without prior written permission. For written - * permission, please contact apache@apache.org. - * - * 5. Products derived from this software may not be called "Apache" - * nor may "Apache" appear in their names without prior written - * permission of the Apache Group. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * ==================================================================== - * - * This software consists of voluntary contributions made by many - * individuals on behalf of the Apache Software Foundation. For more - * information on the Apache Software Foundation, please see - * . - * - */ -package org.apache.commons.collections; - -import java.util.HashSet; -import java.util.Iterator; - -/** A FilterIterator which only returns "unique" Objects. Internally, - * the Iterator maintains a Set of objects it has already encountered, - * and duplicate Objects are skipped. - * - * @author Morgan Delagrange - * @version $Id: UniqueFilterIterator.java,v 1.4 2002/10/12 22:15:18 scolebourne Exp $ - * @since 2.1 - */ - -public class UniqueFilterIterator extends FilterIterator { - - //------------------------------------------------------------------------- - - /** - * Constructs a new UniqueFilterIterator. - * - * @param iterator the iterator to use - */ - public UniqueFilterIterator( Iterator iterator ) { - super( iterator, new UniquePredicate() ); - } - - private static class UniquePredicate implements Predicate { - - HashSet set = new HashSet(); - - public boolean evaluate(Object object) { - return set.add(object); - } - - } - -}