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}