Java tutorial
//package com.java2s; import java.io.StringWriter; import javax.xml.transform.OutputKeys; 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 org.w3c.dom.Document; public class Main { public static String documentToString(Document doc) throws TransformerException { // Configure the transformer TransformerFactory transformerFactory = TransformerFactory.newInstance(); Transformer transformer = transformerFactory.newTransformer(); transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes"); transformer.setOutputProperty(OutputKeys.INDENT, "yes"); transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2"); // Transform the document DOMSource source = new DOMSource(doc); StringWriter stringWriter = new StringWriter(); StreamResult streamResult = new StreamResult(stringWriter); transformer.transform(source, streamResult); return stringWriter.toString(); } }