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; 023import java.util.Map.Entry; 024 025import lucee.runtime.type.Collection; 026import lucee.runtime.type.Collection.Key; 027 028public class EntryIterator implements Iterator<Entry<Key, Object>>, Enumeration<Entry<Key, Object>> { 029 030 031 032 private Collection coll; 033 protected Key[] keys; 034 protected int pos; 035 036 public EntryIterator(Collection coll, Collection.Key[] keys){ 037 this.coll=coll; 038 this.keys=keys; 039 } 040 041 @Override 042 public boolean hasNext() { 043 return (keys.length)>pos; 044 } 045 046 @Override 047 public Entry<Key, Object> next() { 048 Key key = keys[pos++]; 049 if(key==null) return null; 050 return new EntryImpl(coll,key); 051 } 052 053 @Override 054 public boolean hasMoreElements() { 055 return hasNext(); 056 } 057 058 @Override 059 public Entry<Key, Object> nextElement() { 060 return next(); 061 } 062 063 @Override 064 public void remove() { 065 throw new UnsupportedOperationException("this operation is not suppored"); 066 } 067 068 069 public class EntryImpl implements Entry<Key, Object> { 070 071 private Collection coll; 072 protected Key key; 073 074 public EntryImpl(Collection coll, Key key) { 075 this.coll=coll; 076 this.key=key; 077 } 078 079 @Override 080 public Key getKey() { 081 return key; 082 } 083 084 @Override 085 public Object getValue() { 086 return coll.get(key,null); 087 } 088 089 @Override 090 public Object setValue(Object value) { 091 return coll.setEL(key, value); 092 } 093 094 } 095}