001/**
002 *
003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either 
008 * version 2.1 of the License, or (at your option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013 * Lesser General Public License for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public 
016 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
017 * 
018 **/
019package lucee.runtime.type.it;
020
021import java.util.Enumeration;
022import java.util.Iterator;
023
024import lucee.runtime.type.Collection;
025
026/**
027 * Iterator Implementation for a Object Array
028 */
029public final class StringIterator implements Iterator<String>,Enumeration<String> {
030        
031        private Collection.Key[] arr;
032        private int pos;
033
034        /**
035         * constructor for the class
036         * @param arr Base Array
037         */
038        public StringIterator(Collection.Key[] arr) {
039                this.arr=arr;
040                this.pos=0;
041        }
042
043        @Override
044        public void remove() {
045                throw new UnsupportedOperationException("this operation is not suppored");
046        }
047
048        @Override
049        public boolean hasNext() {
050                return (arr.length)>pos;
051        }
052
053        @Override
054        public String next() {
055                Collection.Key key = arr[pos++];
056                if(key==null) return null;
057                return key.getString();
058        }
059
060        public boolean hasMoreElements() {
061                return hasNext();
062        }
063
064        public String nextElement() {
065                return next();
066        }
067}