Here you can find the source of save(Document doc, File file)
public static void save(Document doc, File file)
//package com.java2s; /**/*w w w . j av a2 s. c om*/ * Copyright (C) 2008-2014 Telosys project org. ( http://www.telosys.org/ ) * * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, Version 3.0 (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.gnu.org/licenses/lgpl.html * * 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.File; 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 org.w3c.dom.Document; public class Main { public static void save(Document doc, String fileName) { save(doc, new StreamResult(fileName)); } public static void save(Document doc, File file) { save(doc, new StreamResult(file)); } private static void save(Document doc, Result result) { //--- Write the XML document in XML file try { Source source = new DOMSource(doc); TransformerFactory factory = TransformerFactory.newInstance(); Transformer transformer = factory.newTransformer(); transformer.setOutputProperty(OutputKeys.INDENT, "yes"); //--- Transform the DOM document into XML file transformer.transform(source, result); } catch (TransformerException e) { throw new RuntimeException("XML error : Cannot save : TransformerException", e); } catch (TransformerFactoryConfigurationError e) { throw new RuntimeException("XML error : Cannot save : TransformerFactoryConfigurationError", e); } } }