/**
*
* Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
**/
package lucee.runtime.type.it;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Map.Entry;
import lucee.runtime.type.Collection;
import lucee.runtime.type.Collection.Key;
public class EntryIterator implements Iterator<Entry<Key, Object>>, Enumeration<Entry<Key, Object>> {
private Collection coll;
protected Key[] keys;
protected int pos;
public EntryIterator(Collection coll, Collection.Key[] keys){
this.coll=coll;
this.keys=keys;
}
@Override
public boolean hasNext() {
return (keys.length)>pos;
}
@Override
public Entry<Key, Object> next() {
Key key = keys[pos++];
if(key==null) return null;
return new EntryImpl(coll,key);
}
@Override
public boolean hasMoreElements() {
return hasNext();
}
@Override
public Entry<Key, Object> nextElement() {
return next();
}
@Override
public void remove() {
throw new UnsupportedOperationException("this operation is not suppored");
}
public class EntryImpl implements Entry<Key, Object> {
private Collection coll;
protected Key key;
public EntryImpl(Collection coll, Key key) {
this.coll=coll;
this.key=key;
}
@Override
public Key getKey() {
return key;
}
@Override
public Object getValue() {
return coll.get(key,null);
}
@Override
public Object setValue(Object value) {
return coll.setEL(key, value);
}
}
}