Here you can find the source of write(Document doc, File out)
public static void write(Document doc, File out) throws IOException
//package com.java2s; /*//from w ww . j a va 2 s .co m * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common * Development and Distribution License("CDDL") (collectively, the * "License"). You may not use this file except in compliance with the * License. You can obtain a copy of the License at * http://www.netbeans.org/cddl-gplv2.html * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the * specific language governing permissions and limitations under the * License. When distributing the software, include this License Header * Notice in each file and include the License file at * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this * particular file as subject to the "Classpath" exception as provided * by Sun in the GPL Version 2 section of the License file that * accompanied this code. If applicable, add the following below the * License Header, with the fields enclosed by brackets [] replaced by * your own identifying information: * "Portions Copyrighted [year] [name of copyright owner]" * * Contributor(s): * * The Original Software is NetBeans. The Initial Developer of the Original * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun * Microsystems, Inc. All Rights Reserved. * * If you wish your version of this file to be governed by only the CDDL * or only the GPL Version 2, indicate your decision by adding * "[Contributor] elects to include this software in this distribution * under the [CDDL or GPL Version 2] license." If you do not indicate a * single choice of license, a recipient has the option to distribute * your version of this file under either the CDDL, the GPL Version 2 or * to extend the choice of license to its licensees as provided above. * However, if you add GPL Version 2 code and therefore, elected the GPL * Version 2 license, then the option applies only if the new code is * made subject to such option by the copyright holder. */ import java.io.File; import java.io.IOException; import javax.xml.transform.OutputKeys; import javax.xml.transform.Result; import javax.xml.transform.Source; import javax.xml.transform.Transformer; 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; import org.w3c.dom.DocumentType; public class Main { public static void write(Document doc, File out) throws IOException { // XXX note that this may fail to write out namespaces correctly if the // document // is created with namespaces and no explicit prefixes; however no code in // this package is likely to be doing so try { Transformer t = TransformerFactory.newInstance().newTransformer(); DocumentType dt = doc.getDoctype(); if (dt != null) { String pub = dt.getPublicId(); if (pub != null) { t.setOutputProperty(OutputKeys.DOCTYPE_PUBLIC, pub); } t.setOutputProperty(OutputKeys.DOCTYPE_SYSTEM, dt.getSystemId()); } t.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); // NOI18N t.setOutputProperty(OutputKeys.INDENT, "yes"); // NOI18N t.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4"); // NOI18N Source source = new DOMSource(doc); Result result = new StreamResult(out); t.transform(source, result); } catch (Exception e) { throw (IOException) new IOException(e.toString()).initCause(e); } catch (TransformerFactoryConfigurationError e) { throw (IOException) new IOException(e.toString()).initCause(e); } } }