Here you can find the source of hasAttribute(Node node, String attributeName)
private static final boolean hasAttribute(Node node, String attributeName)
//package com.java2s; /******************************************************************************* * Copyright (c) 2008, 2009 Spring IDE Developers * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors://from www . ja va 2 s . c om * Spring IDE Developers - initial API and implementation *******************************************************************************/ import org.w3c.dom.Node; public class Main { private static final boolean hasAttribute(Node node, String attributeName) { return (node != null && node.hasAttributes() && node.getAttributes().getNamedItem(attributeName) != null); } }