Here you can find the source of saveXml(Document doc, String filename)
public static void saveXml(Document doc, String filename)
//package com.java2s; //License from project: Apache License 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; import java.io.FileOutputStream; import java.io.IOException; import java.io.PrintWriter; public class Main { public static void saveXml(Document doc, String filename) { try {/*ww w .j a v a 2s . c o m*/ TransformerFactory tf = TransformerFactory.newInstance(); Transformer transformer = tf.newTransformer(); DOMSource source = new DOMSource(doc); transformer.setOutputProperty(OutputKeys.ENCODING, "utf-8"); PrintWriter pw = new PrintWriter(new FileOutputStream(filename)); StreamResult result = new StreamResult(pw); transformer.transform(source, result); } catch (TransformerException tfe) { tfe.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } }