Here you can find the source of serialize(Document doc)
public static void serialize(Document doc) throws Exception
//package com.java2s; /*//from w w w.j a v a 2s. c o m * This file is part of Pustefix. * * Pustefix is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Pustefix is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Pustefix; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ 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 { public static void serialize(Document doc) throws Exception { TransformerFactory tf = TransformerFactory.newInstance(); Transformer t = tf.newTransformer(); DOMSource src = new DOMSource(doc); StreamResult res = new StreamResult(System.out); t.transform(src, res); } }