Here you can find the source of getChildElement(Element parent, String name)
public static Element getChildElement(Element parent, String name)
//package com.java2s; /*/* ww w. java 2 s .c o m*/ * Copyright 2013 Keith D Swenson * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Contributors Include: Shamim Quader, Sameer Pradhan, Kumar Raja, Jim Farris, * Sandia Yang, CY Chen, Rajiv Onat, Neal Wang, Dennis Tam, Shikha Srivastava, * Anamika Chaudhari, Ajay Kakkar, Rajeev Rastogi */ import org.w3c.dom.Element; import org.w3c.dom.NodeList; public class Main { public static Element getChildElement(Element parent, String name) { NodeList childNdList = parent.getChildNodes(); if (childNdList == null) { return null; } for (int i = 0; i < childNdList.getLength(); i++) { org.w3c.dom.Node n = childNdList.item(i); if (n == null) { //apparently, there is some situations where the Nodellist will return //a null. Have gotten a null opinter exception on the line below. //don't understand how it happens, but this seems to happen, just skip it. continue; } if (n.getNodeType() != org.w3c.dom.Node.ELEMENT_NODE) { continue; } if (name.equals(n.getLocalName())) { return (Element) n; } if (name.equals(n.getNodeName())) { return (Element) n; } } return null; } }