Java tutorial
//package com.java2s; /* * Licensed to the University Corporation for Advanced Internet Development, * Inc. (UCAID) under one or more contributor license agreements. See the * NOTICE file distributed with this work for additional information regarding * copyright ownership. The UCAID 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.Element; import org.w3c.dom.Node; public class Main { /** * Gets the ancestor element node to the given node. * * @param currentNode the node to retrive the ancestor for * * @return the ancestral element node of the current node, or null */ public static Element getElementAncestor(Node currentNode) { Node parent = currentNode.getParentNode(); if (parent != null) { short type = parent.getNodeType(); if (type == Node.ELEMENT_NODE) { return (Element) parent; } return getElementAncestor(parent); } return null; } }