Here you can find the source of getAttribute(Node node, String att_name)
static public String getAttribute(Node node, String att_name)
//package com.java2s; /*//from w w w .j a va2 s. com * EuroCarbDB, a framework for carbohydrate bioinformatics * * Copyright (c) 2006-2009, Eurocarb project, or third-party contributors as * indicated by the @author tags or express copyright attribution * statements applied by the authors. * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the GNU * Lesser General Public License, as published by the Free Software Foundation. * A copy of this license accompanies this distribution in the file LICENSE.txt. * * 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 Lesser General Public License * for more details. * * Last commit: $Rev: 1210 $ by $Author: glycoslave $ on $Date:: 2009-06-12 #$ */ import org.w3c.dom.*; public class Main { /** Return the value of an attribute of a node or an empty string if the attribute is not present. */ static public String getAttribute(Node node, String att_name) { if (node == null) return ""; return getText(node.getAttributes().getNamedItem(att_name)); } /** Return the text associated with a node, or <code>null</code> if no text section is present. */ static public String getText(Node node) { if (node == null) return null; Node child = findChild(node, "#text"); if (child == null) return null; return child.getNodeValue(); } /** Return the first children of a node with a given name. @return <code>null</code> if no child is found */ static public Node findChild(Node node, String child_name) { if (node == null) return null; NodeList children = node.getChildNodes(); for (int i = 0; i < children.getLength(); i++) { Node child = children.item(i); if (child.getNodeName().equals(child_name)) return child; } return null; } }