Here you can find the source of getFirstChild(Element element, String tag)
public static Element getFirstChild(Element element, String tag)
//package com.java2s; /*/* w ww . j a v a 2 s . c o m*/ * Copyright 2005-2015 by BerryWorks Software, LLC. All rights reserved. * * This file is part of EDIReader. You may obtain a license for its use directly from * BerryWorks Software, and you may also choose to use this software under the terms of the * GPL version 3. Other products in the EDIReader software suite are available only by licensing * with BerryWorks. Only those files bearing the GPL statement below are available under the GPL. * * EDIReader 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. * * EDIReader 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 EDIReader. If not, * see <http://www.gnu.org/licenses/>. */ import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; public class Main { public static Element getFirstChild(Element element, String tag) { Element result = null; NodeList childNodes = element.getChildNodes(); for (int i = 0; i < childNodes.getLength(); i++) { Node node = childNodes.item(i); if (Node.ELEMENT_NODE == node.getNodeType() && node.getNodeName().equals(tag)) { result = (Element) node; break; } } return result; } }