Main.java Source code

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Here is the source code for Main.java

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//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;
    }
}