Here you can find the source of findNode(Node rootNode, String nodeName)
public static Node findNode(Node rootNode, String nodeName)
//package com.java2s; /*/*from ww w . jav a 2 s.co m*/ * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.Node; import org.w3c.dom.NodeList; public class Main { public static Node findNode(Node rootNode, String nodeName) { if (rootNode.getLocalName().equalsIgnoreCase(nodeName)) return rootNode; NodeList childrenList = rootNode.getChildNodes(); if (childrenList.getLength() > 0) { for (int i = 0; i < childrenList.getLength(); i++) { Node node = childrenList.item(i); if (node.getNodeType() == Node.ELEMENT_NODE) { Node findElement = findNode(node, nodeName); if (findElement != null) return findElement; } } } return null; } }