Java tutorial
//package com.java2s; import org.w3c.dom.Document; import org.xml.sax.SAXException; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import java.io.*; public class Main { public static String getFirstChildNodeValue(Document parent, String nodeName) { return parent.getElementsByTagName(nodeName).item(0).getFirstChild().getNodeValue(); } public static String getNodeValue(String xml, String nodeName) throws Exception { Document doc = loadXMLFrom(xml); return getFirstChildNodeValue(doc, nodeName); } public static Document loadXMLFrom(String xml) throws Exception { return loadXMLFrom(new ByteArrayInputStream(xml.getBytes())); } public static Document loadXMLFrom(InputStream inputStream) throws Exception { Document doc = null; DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); factory.setNamespaceAware(true); javax.xml.parsers.DocumentBuilder builder = null; try { builder = factory.newDocumentBuilder(); doc = builder.parse(inputStream); } catch (ParserConfigurationException pce) { throw new Exception(pce.getMessage()); } catch (SAXException se) { throw new Exception(se.getMessage()); } catch (IOException ioe) { throw new Exception(ioe.getMessage()); } finally { inputStream.close(); } return doc; } }