Here you can find the source of getElement(Element element, String tag)
public static Element getElement(Element element, String tag)
//package com.java2s; /*// w w w . j av a 2 s.c o m Copyright 2011 Udayakumar Dhansingh (Udy) 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. */ import org.w3c.dom.Element; import org.w3c.dom.NodeList; public class Main { public static Element getElement(Element element, String tag) { NodeList nodes = element.getElementsByTagName(tag); if (nodes != null && nodes.getLength() > 0) { Element childElement = (Element) nodes.item(0); String nodeName = null; if (childElement != null) { nodeName = childElement.getNodeName(); } if (nodeName != null && nodeName.compareTo(tag) == 0) { return childElement; } } return null; } }