Here you can find the source of getRootElement(Document document)
public static Element getRootElement(Document document)
//package com.java2s; /*//w ww. j av a 2 s. c om * CDDL HEADER START * The contents of this file are subject to the terms * of the Common Development and Distribution License * (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.sun.com/cddl/cddl.html and legal/CDDLv1.0.txt * See the License for the specific language governing * permission and limitations under the License. * * When distributing Covered Code, include this CDDL * Header Notice in each file and include the License file * at legal/CDDLv1.0.txt. * If applicable, add the following below the CDDL Header, * with the fields enclosed by brackets [] replaced by * your own identifying information: * "Portions Copyrighted [year] [name of copyright owner]" * * Copyright 2006 Sun Microsystems Inc. All Rights Reserved * CDDL HEADER END */ import org.w3c.dom.Document; import org.w3c.dom.Element; public class Main { public static Element getRootElement(Document document) { if (document != null) { return document.getDocumentElement(); } return null; } }