Here you can find the source of createDocument(final String rootName)
public static Document createDocument(final String rootName)
//package com.java2s; /*/*w w w. ja v a 2s. c o m*/ * #%L * VisBio application for visualization of multidimensional biological * image data. * %% * Copyright (C) 2002 - 2014 Board of Regents of the University of * Wisconsin-Madison. * %% * 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 2 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/gpl-2.0.html>. * #L% */ import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import org.w3c.dom.Document; public class Main { /** Document builder for creating DOMs. */ protected static DocumentBuilder docBuilder; /** Creates a new DOM. */ public static Document createDocument(final String rootName) { if (docBuilder == null) { try { docBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); } catch (final ParserConfigurationException exc) { exc.printStackTrace(); return null; } } final Document doc = docBuilder.newDocument(); if (rootName != null) doc.appendChild(doc.createElement(rootName)); return doc; } }