Here you can find the source of getLongAttribute(NamedNodeMap namedNodeMap, String name)
public static Long getLongAttribute(NamedNodeMap namedNodeMap, String name)
//package com.java2s; //License from project: Apache License import org.w3c.dom.NamedNodeMap; import org.w3c.dom.Node; public class Main { public static Long getLongAttribute(NamedNodeMap namedNodeMap, String name) { String value = getAttribute(namedNodeMap, name); if (value == null) { return null; } else {//from w w w . jav a 2s . com return Long.valueOf(value); } } public static String getAttribute(NamedNodeMap namedNodeMap, String name) { Node node = namedNodeMap.getNamedItem(name); if (node == null) { return null; } return node.getNodeValue(); } }