Java tutorial
//package com.java2s; /** * Copyright (c) 2016, RTE (http://www.rte-france.com) * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ import javax.xml.stream.XMLStreamReader; public class Main { public static Integer readOptionalIntegerAttribute(XMLStreamReader reader, String attributeName) { String attributeValue = reader.getAttributeValue(null, attributeName); return attributeValue != null ? Integer.valueOf(attributeValue) : null; } }