Java tutorial
//package com.java2s; import java.io.StringWriter; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerFactory; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamResult; public class Main { public static String writeXMLtoString(org.w3c.dom.Document doc) throws Exception { TransformerFactory transfac = TransformerFactory.newInstance(); Transformer trans = transfac.newTransformer(); StringWriter sw = new StringWriter(); StreamResult result = new StreamResult(sw); DOMSource source = new DOMSource(doc); trans.transform(source, result); String xmlString = sw.toString(); return xmlString; } }