Here you can find the source of printDOM(File file, Document doc, String encoding)
public static void printDOM(File file, Document doc, String encoding) throws FileNotFoundException
//package com.java2s; /*//w w w . j a v a2 s. c o m Copyright (C) 2009-2013 Bengt Martensson. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/. */ import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.OutputStream; import javax.xml.transform.*; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamResult; import org.w3c.dom.Document; public class Main { public static void printDOM(OutputStream ostr, Document doc, String encoding) { try { Transformer tr = TransformerFactory.newInstance().newTransformer(); if (encoding != null) tr.setOutputProperty(OutputKeys.ENCODING, encoding); tr.setOutputProperty(OutputKeys.INDENT, "yes"); tr.setOutputProperty(OutputKeys.METHOD, "xml"); tr.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2"); tr.transform(new DOMSource(doc), new StreamResult(ostr)); } catch (TransformerConfigurationException ex) { System.err.println(ex.getMessage()); } catch (TransformerException ex) { System.err.println(ex.getMessage()); } } public static void printDOM(File file, Document doc, String encoding) throws FileNotFoundException { printDOM(file != null ? new FileOutputStream(file) : System.out, doc, encoding); System.err.println("File " + file + " written."); } public static void printDOM(File file, Document doc) throws FileNotFoundException { printDOM(file, doc, null); } }