Java tutorial
//package com.java2s; import java.io.File; import java.io.OutputStream; import javax.xml.transform.OutputKeys; 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 void writeXml(Document document, File outxml) { try { TransformerFactory tf = TransformerFactory.newInstance(); Transformer serializer; serializer = tf.newTransformer(); serializer.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); serializer.setOutputProperty(OutputKeys.INDENT, "yes"); DOMSource domSource = new DOMSource(document); StreamResult streamResult = new StreamResult(outxml); serializer.transform(domSource, streamResult); } catch (TransformerConfigurationException e) { throw new RuntimeException(e); } catch (TransformerException e) { throw new RuntimeException(e); } } public static void writeXml(Document document, OutputStream out) { try { TransformerFactory tf = TransformerFactory.newInstance(); Transformer serializer; serializer = tf.newTransformer(); serializer.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); serializer.setOutputProperty(OutputKeys.INDENT, "yes"); DOMSource domSource = new DOMSource(document); StreamResult streamResult = new StreamResult(out); serializer.transform(domSource, streamResult); } catch (TransformerConfigurationException e) { throw new RuntimeException(e); } catch (TransformerException e) { throw new RuntimeException(e); } } }