Java tutorial
//package com.java2s; import java.io.File; import javax.xml.transform.OutputKeys; import javax.xml.transform.Transformer; 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 { /** * Saves the document in the given file * @param modelDoc * @param fileName * @throws Exception */ public static void saveDocument(Document doc, File file) throws Exception { if (doc == null || file == null) return; TransformerFactory tFactory = TransformerFactory.newInstance(); Transformer transformer = tFactory.newTransformer(); transformer.setOutputProperty(OutputKeys.INDENT, "yes"); transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2"); DOMSource source = new DOMSource(doc); StreamResult result = new StreamResult(file); transformer.transform(source, result); } }