/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.harmony.xml.dom;
import java.util.ArrayList;
import java.util.List;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* Provides a straightforward implementation of the corresponding W3C DOM
* interface. The class is used internally only, thus only notable members that
* are not in the original interface are documented (the W3C docs are quite
* extensive). Hope that's ok.
* <p>
* Some of the fields may have package visibility, so other classes belonging to
* the DOM implementation can easily access them while maintaining the DOM tree
* structure.
*/
public class NodeListImpl implements NodeList {
private List<NodeImpl> children;
NodeListImpl() {
children = new ArrayList<NodeImpl>();
}
NodeListImpl(List<NodeImpl> list) {
children = list;
}
void add(NodeImpl node) {
children.add(node);
}
public int getLength() {
return children.size();
}
public Node item(int index) {
if (index >= children.size()) {
return null;
} else {
return children.get(index);
}
}
}