001    /* JAPI - (Yet another (hopefully) useful) Java API
002     *
003     * Copyright (C) 2004-2006 Christian Hujer
004     *
005     * This program is free software; you can redistribute it and/or
006     * modify it under the terms of the GNU General Public License as
007     * published by the Free Software Foundation; either version 2 of the
008     * License, or (at your option) any later version.
009     *
010     * This program is distributed in the hope that it will be useful, but
011     * WITHOUT ANY WARRANTY; without even the implied warranty of
012     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013     * General Public License for more details.
014     *
015     * You should have received a copy of the GNU General Public License
016     * along with this program; if not, write to the Free Software
017     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
018     * 02111-1307, USA.
019     */
020    
021    package net.sf.japi.util;
022    
023    import java.util.Enumeration;
024    import java.util.Iterator;
025    
026    /** Enumeration proxy for Iterators.
027     * Instances are not reusable.
028     * @author <a href="mailto:chris@riedquat.de">Christian Hujer</a>
029     */
030    public class IteratorEnumeration<T> implements Enumeration<T> {
031    
032        /** Iterator to enumerate. */
033        private final Iterator<T> iterator;
034    
035        /** Create an Enumeration for an Iterator.
036         * @param iterator Iterator to create Enumeration for
037         */
038        public IteratorEnumeration(final Iterator<T> iterator) {
039            this.iterator = iterator;
040        }
041    
042        /** {@inheritDoc} */
043        public boolean hasMoreElements() {
044            return iterator.hasNext();
045        }
046    
047        /** {@inheritDoc} */
048        public T nextElement() {
049            return iterator.next();
050        }
051    
052    } // class IteratorEnumeration