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; 025import lucee.runtime.type.Collection.Key; 026 027public class ValueIterator implements Iterator<Object>, Enumeration<Object> { 028 029 030 031 private Collection coll; 032 protected Key[] keys; 033 protected int pos; 034 035 public ValueIterator(Collection coll, Collection.Key[] keys){ 036 this.coll=coll; 037 this.keys=keys; 038 } 039 040 @Override 041 public boolean hasNext() { 042 return (keys.length)>pos; 043 } 044 045 @Override 046 public Object next() { 047 Key key = keys[pos++]; 048 if(key==null) return null; 049 return coll.get(key,null); 050 } 051 052 @Override 053 public boolean hasMoreElements() { 054 return hasNext(); 055 } 056 057 @Override 058 public Object nextElement() { 059 return next(); 060 } 061 062 @Override 063 public void remove() { 064 throw new UnsupportedOperationException("this operation is not suppored"); 065 } 066}