Here you can find the source of getAttributeValue(String attributeName, Node xmlNode)
public static String getAttributeValue(String attributeName, Node xmlNode)
//package com.java2s; /**//from w w w . j av a2 s. c om Authors: Yahor Paulavets (paulavets.pride@gmail.com) This file is part of Gobrotium project (https://github.com/a-a-a-CBEI-I-IEE-M9ICO/GoBrotium.git) Gobrotium project 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. Gobrotium 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 Gobrotium project. If not, see <http://www.gnu.org/licenses/>. */ import org.w3c.dom.Node; public class Main { public static String getAttributeValue(String attributeName, Node xmlNode) { if (xmlNode == null) return null; if (xmlNode.getAttributes() == null) return null; if (xmlNode.getAttributes().getLength() == 0) return null; Node n = xmlNode.getAttributes().getNamedItem(attributeName); if (n == null) return null; return n.getTextContent(); } }