Here you can find the source of serializeDocument(Document document)
public static String serializeDocument(Document document) throws Exception
//package com.java2s; /*/*from w ww. j a v a 2s . c o m*/ * Copyright (c) 2012 Basho Technologies, Inc. All Rights Reserved. * * This file is provided to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ import java.io.*; import javax.xml.transform.*; import javax.xml.transform.dom.*; import javax.xml.transform.stream.*; import org.w3c.dom.*; public class Main { public static String serializeDocument(Document document) throws Exception { // Serialize XML document to String. StringWriter writer = new StringWriter(); StreamResult streamResult = new StreamResult(writer); DOMSource domSource = new DOMSource(document); TransformerFactory tf = TransformerFactory.newInstance(); Transformer serializer = tf.newTransformer(); serializer.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); serializer.setOutputProperty(OutputKeys.INDENT, "yes"); serializer.transform(domSource, streamResult); return writer.toString(); } }