Here you can find the source of getAncestors(Node node)
public static List<Node> getAncestors(Node node)
//package com.java2s; /**//w w w . jav a 2 s . c om * The contents of this file are subject to the Mozilla Public License * Version 1.1 (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.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * License for the specific language governing rights and limitations * under the License. * * The Initial Developer of the Original Code is Sheffield University. * Portions created by Sheffield University are * Copyright © 2005 Sheffield University (Web Intelligence Group) * All Rights Reserved. * * Contributor(s): * Neil Ireson (N.Ireson@dcs.shef.ac.uk) * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. */ import org.w3c.dom.Node; import java.util.List; import java.util.ArrayList; public class Main { public static List<Node> getAncestors(Node node) { final List<Node> ancestors = new ArrayList<Node>(); while (node != null) { ancestors.add(node); node = node.getParentNode(); } return ancestors; } }