Here you can find the source of isAncestor(Node ancestor, Node node)
ancestor
is an ancestor of node
Parameter | Description |
---|---|
ancestor | ancestor |
node | node |
public static boolean isAncestor(Node ancestor, Node node)
//package com.java2s; /**// ww w. jav a 2s. c om * Copyright 2000-2006 DFKI GmbH. * All Rights Reserved. Use is subject to license terms. * * This file is part of MARY TTS. * * MARY TTS is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, version 3 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ import org.w3c.dom.Node; public class Main { /** * Verify if <code>ancestor</code> is an ancestor of <code>node</code> * * @param ancestor * ancestor * @param node * node * @return true if ancestor equals to p, false otherwise */ public static boolean isAncestor(Node ancestor, Node node) { Node p = node; while ((p = p.getParentNode()) != null) { if (ancestor == p) return true; } return false; } }