Java tutorial
//package com.java2s; /* Copyright (c) 2013 Intecs - www.intecs.it. All rights reserved. * This code is licensed under the GPL 3.0 license, available at the root * application directory. */ import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import javax.xml.xpath.XPath; import javax.xml.xpath.XPathFactory; import org.w3c.dom.Document; import org.w3c.dom.Element; public class Main { public static String getNodeTextByXPath(Document doc, String xpath) { try { XPathFactory factory = XPathFactory.newInstance(); XPath xpathEn = factory.newXPath(); return xpathEn.evaluate(xpath, doc); } catch (Exception ex) { ex.printStackTrace(); return ""; } } public static String getNodeTextByXPath(Element eoEl, String xpath) { try { Document doc = newDocument(); Element importedEl = (Element) doc.importNode(eoEl.cloneNode(true), true); doc.appendChild(importedEl); XPathFactory factory = XPathFactory.newInstance(); XPath xpathEn = factory.newXPath(); return xpathEn.evaluate(xpath, doc); } catch (Exception ex) { ex.printStackTrace(); return ""; } } public static Document newDocument() throws ParserConfigurationException { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); factory.setNamespaceAware(true); DocumentBuilder documentBuilder = factory.newDocumentBuilder(); return documentBuilder.newDocument(); } }