Java tutorial
//package com.java2s; /** * RAMPART - Robust Automatic MultiPle AssembleR Toolkit * Copyright (C) 2013 Daniel Mapleson - TGAC * * 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 3 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/>. **/ import org.w3c.dom.Element; import org.w3c.dom.NodeList; public class Main { /** * Calls getTextValue and returns a double value */ public static double getDoubleValue(Element ele, String tagName) { return Double.parseDouble(getTextValue(ele, tagName)); } /** * I take a xml element and the tag name, look for the tag and get * the text content * i.e for <employee><name>John</name></employee> xml snippet if * the Element points to employee node and tagName is 'name' I will return John */ public static String getTextValue(Element ele, String tagName) { // Look for elements first NodeList nl = ele.getElementsByTagName(tagName); if (nl != null && nl.getLength() > 0) { Element el = (Element) nl.item(0); return el.getFirstChild().getNodeValue(); } // If there are no elements look for an attribute return ele.getAttribute(tagName); } }