Here you can find the source of writeXmlToStream(Document doc, OutputStream stream)
public static void writeXmlToStream(Document doc, OutputStream stream) throws Exception
//package com.java2s; import java.io.OutputStream; import javax.xml.transform.OutputKeys; import javax.xml.transform.Result; import javax.xml.transform.Source; 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 writeXmlToStream(Document doc, OutputStream stream) throws Exception { Result result = new StreamResult(stream); transform(doc, result);//w w w . j a va2 s. co m } private static void transform(Document doc, Result result) throws Exception { try { // Prepare the DOM document for writing Source source = new DOMSource(doc); // Write the DOM document to the file Transformer xformer = TransformerFactory.newInstance().newTransformer(); xformer.setOutputProperty(OutputKeys.INDENT, "yes"); xformer.transform(source, result); } catch (TransformerConfigurationException e) { e.printStackTrace(); throw e; } catch (TransformerException e) { e.printStackTrace(); throw e; } catch (Exception e) { e.printStackTrace(); throw e; } } }