| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Copyright 1999-2004 The Apache Software Foundation. |
| * |
| * 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 com.sun.org.apache.xml.internal.security.utils; |
| |
| import java.util.ArrayList; |
| |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| /** |
| * |
| * @author Christian Geuer-Pollmann |
| * |
| */ |
| public class HelperNodeList implements NodeList { |
| |
| /** Field nodes */ |
| ArrayList nodes = new ArrayList(20); |
| boolean _allNodesMustHaveSameParent = false; |
| |
| /** |
| * |
| */ |
| public HelperNodeList() { |
| this(false); |
| } |
| |
| |
| /** |
| * @param allNodesMustHaveSameParent |
| */ |
| public HelperNodeList(boolean allNodesMustHaveSameParent) { |
| this._allNodesMustHaveSameParent = allNodesMustHaveSameParent; |
| } |
| |
| /** |
| * Method item |
| * |
| * @param index |
| * @return node with inde i |
| */ |
| public Node item(int index) { |
| |
| // log.log(java.util.logging.Level.FINE, "item(" + index + ") of " + this.getLength() + " nodes"); |
| |
| return (Node) nodes.get(index); |
| } |
| |
| /** |
| * Method getLength |
| * |
| * @return length of the list |
| */ |
| public int getLength() { |
| return nodes.size(); |
| } |
| |
| /** |
| * Method appendChild |
| * |
| * @param node |
| * @throws IllegalArgumentException |
| */ |
| public void appendChild(Node node) throws IllegalArgumentException { |
| if (this._allNodesMustHaveSameParent && this.getLength() > 0) { |
| if (this.item(0).getParentNode() != node.getParentNode()) { |
| throw new IllegalArgumentException("Nodes have not the same Parent"); |
| } |
| } |
| nodes.add(node); |
| } |
| |
| /** |
| * @return the document that contains this nodelist |
| */ |
| public Document getOwnerDocument() { |
| if (this.getLength() == 0) { |
| return null; |
| } |
| return XMLUtils.getOwnerDocument(this.item(0)); |
| } |
| } |