Java tutorial
//package com.java2s; /* * Copyright (c) 2001-2011 Convertigo SA. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation; either version 3 * of the License, or (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see<http://www.gnu.org/licenses/>. * * $URL$ * $Author$ * $Revision$ * $Date$ */ import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; public class Main { public static NodeList findElements(Element parent, String fullXPath) { NodeList list = null; Element elt = findSingleElement(parent, fullXPath); if (elt != null) list = ((Element) elt.getParentNode()).getElementsByTagName(elt.getNodeName()); return list; } public static Element findSingleElement(Element parent, String fullXPath) { Element elt = null; if (parent != null) { if (parent.hasChildNodes()) { if (fullXPath.startsWith("/")) fullXPath = fullXPath.substring(1); int index = fullXPath.indexOf("/"); String childName = ((index != -1) ? fullXPath.substring(0, index) : fullXPath); NodeList list = parent.getChildNodes(); for (int i = 0; i < list.getLength(); i++) { Node child = list.item(i); if (child.getNodeType() == Node.ELEMENT_NODE) { if (child.getNodeName().equalsIgnoreCase(childName)) { if (index == -1) { elt = (Element) child; break; } else { fullXPath = fullXPath.substring(index + 1); elt = findSingleElement((Element) child, fullXPath); } } } } } } return elt; } }