Here you can find the source of attributeStringValue(Element e, String attr, String defaultValue)
public static String attributeStringValue(Element e, String attr, String defaultValue)
//package com.java2s; //License from project: Open Source License import org.w3c.dom.Element; public class Main { public static String attributeStringValue(Element e, String attr, String defaultValue) { if (!e.hasAttribute(attr)) { return defaultValue; }/*w w w . jav a2 s . co m*/ return e.getAttribute(attr); } }