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