Here you can find the source of toString(Document doc, String encoding, boolean indent)
public static String toString(Document doc, String encoding, boolean indent) throws TransformerFactoryConfigurationError, TransformerException
//package com.java2s; /******************************************************************************* * Copyright (c) 2010 Robert "Unlogic" Olofsson (unlogic@unlogic.se). * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Lesser Public License v3 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/lgpl-3.0-standalone.html ******************************************************************************/ import org.w3c.dom.Document; import javax.xml.transform.OutputKeys; import javax.xml.transform.Result; import javax.xml.transform.Source; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerException; import javax.xml.transform.TransformerFactory; import javax.xml.transform.TransformerFactoryConfigurationError; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamResult; import java.io.StringWriter; import java.io.Writer; public class Main { public static String toString(Document doc, String encoding, boolean indent) throws TransformerFactoryConfigurationError, TransformerException { Source source = new DOMSource(doc); StringWriter sw = new StringWriter(); Result result = new StreamResult(sw); Transformer xformer = TransformerFactory.newInstance().newTransformer(); xformer.setOutputProperty(OutputKeys.ENCODING, encoding); if (indent) { xformer.setOutputProperty(OutputKeys.INDENT, "yes"); }/* w w w . j av a2s .co m*/ xformer.transform(source, result); return sw.getBuffer().toString(); } public static void toString(Document doc, String encoding, Writer w, boolean indent) throws TransformerFactoryConfigurationError, TransformerException { Source source = new DOMSource(doc); Result result = new StreamResult(w); Transformer xformer = TransformerFactory.newInstance().newTransformer(); xformer.setOutputProperty(OutputKeys.ENCODING, encoding); if (indent) { xformer.setOutputProperty(OutputKeys.INDENT, "yes"); } xformer.transform(source, result); } }