Java tutorial
//package com.java2s; import java.io.StringWriter; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerConfigurationException; import javax.xml.transform.TransformerException; import javax.xml.transform.TransformerFactory; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamResult; import org.w3c.dom.Document; public class Main { public static String xmlToString(Document xml) { TransformerFactory tFactory = TransformerFactory.newInstance(); Transformer transformer = null; try { transformer = tFactory.newTransformer(); } catch (TransformerConfigurationException e) { e.printStackTrace(); } DOMSource source = new DOMSource(xml); StringWriter writer = new StringWriter(); try { transformer.transform(source, new StreamResult(writer)); } catch (TransformerException e) { e.printStackTrace(); } return writer.toString(); } }