/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Nam Nguyen
*/
package com.caucho.quercus.lib.dom;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.LongValue;
import com.caucho.quercus.env.ObjectValue;
import com.caucho.quercus.env.TraversableDelegate;
import com.caucho.quercus.env.Value;
import java.util.Iterator;
import java.util.Map;
public class DOMNodeListDelegate
implements TraversableDelegate {
public DOMNodeListDelegate() {
}
@Override
public Iterator<Value> getKeyIterator(Env env, ObjectValue obj) {
return new DOMNodeListKeyIterator((DOMNodeList) obj.toJavaObject());
}
@Override
public Iterator<Value> getValueIterator(Env env, ObjectValue obj) {
return new DOMNodeListValueIterator(env, (DOMNodeList) obj.toJavaObject());
}
@Override
public Iterator<Map.Entry<Value, Value>> getIterator(Env env, ObjectValue obj) {
return new DOMNodeListIterator(env, (DOMNodeList) obj.toJavaObject());
}
public class DOMNodeListKeyIterator
implements Iterator<Value> {
private DOMNodeList _list;
private int _index;
public DOMNodeListKeyIterator(DOMNodeList list) {
_list = list;
}
@Override
public boolean hasNext() {
return _index < _list.getLength();
}
@Override
public Value next() {
return LongValue.create(_index++);
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
}
public class DOMNodeListValueIterator
implements Iterator<Value> {
private Env _env;
private DOMNodeList _list;
private int _index;
public DOMNodeListValueIterator(Env env, DOMNodeList list) {
_env = env;
_list = list;
}
@Override
public boolean hasNext() {
return _index < _list.getLength();
}
@Override
public Value next() {
return _env.wrapJava(_list.item(_index++));
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
}
public class DOMNodeListIterator
implements Iterator<Map.Entry<Value, Value>> {
private Env _env;
private DOMNodeList _list;
private int _index;
public DOMNodeListIterator(Env env, DOMNodeList list) {
_env = env;
_list = list;
}
@Override
public boolean hasNext() {
return _index < _list.getLength();
}
@Override
public Map.Entry<Value, Value> next() {
return new DOMNodeListEntry(_index, _env.wrapJava(_list.item(_index++)));
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
}
public class DOMNodeListEntry
implements Map.Entry<Value, Value> {
private int _key;
private Value _value;
public DOMNodeListEntry(int index, Value value) {
_key = index;
_value = value;
}
@Override
public Value getKey() {
return LongValue.create(_key);
}
@Override
public Value getValue() {
return _value;
}
@Override
public Value setValue(Value value) {
throw new UnsupportedOperationException();
}
}
}