Here you can find the source of getDescendent(Node node, String nodeName)
public static Node getDescendent(Node node, String nodeName) throws IOException
//package com.java2s; /*//from www . j a va 2 s . co m * XmlUtil.java * * (c) 2009 The Echo Nest * See "license.txt" for terms * * */ import java.io.IOException; import org.w3c.dom.Node; import org.w3c.dom.NodeList; public class Main { public static Node getDescendent(Node node, String nodeName) throws IOException { NodeList children = node.getChildNodes(); for (int i = 0; i < children.getLength(); i++) { Node child = children.item(i); if (child.getNodeName().equals(nodeName)) { return child; } } return null; } }