Java XML First Child Element getFirstChildElement(Node node)

Description

Gets the first child element of a node.

License

Open Source License

Parameter

Parameter	Description
node	the node to get the child from

Exception

Parameter	Description
NullPointerException	if node is null

Return

the first element child of node or null if none

Declaration

public static Element getFirstChildElement(Node node) 

Method Source Code

//package com.java2s;
/*//from  w ww.  ja v a 2s . c om
 * XAdES4j - A Java library for generation and verification of XAdES signatures.
 * Copyright (C) 2010 Luis Goncalves.
 *
 * XAdES4j 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; either version 3 of the License, or any later version.
 *
 * XAdES4j 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 XAdES4j. If not, see <http://www.gnu.org/licenses/>.
 */

import org.w3c.dom.Element;
import org.w3c.dom.Node;

public class Main {
    /**
     * Gets the first child element of a node.
     * @param node the node to get the child from
     * @return the first element child of {@code node} or {@code null} if none
     * @throws NullPointerException if {@code node} is {@code null}
     */
    public static Element getFirstChildElement(Node node) {
        node = node.getFirstChild();
        while (node != null && node.getNodeType() != Node.ELEMENT_NODE) {
            node = node.getNextSibling();
        }
        return (Element) node;
    }
}

Related

1. getFirstChildElement(final Node parent, final String elemName)
2. getFirstChildElement(Node n)
3. getFirstChildElement(Node n, String ns, String localName)
4. getFirstChildElement(Node node)
5. getFirstChildElement(Node node)
6. getFirstChildElement(Node node)
7. getFirstChildElement(Node node)
8. getFirstChildElement(Node node)
9. getFirstChildElement(Node node)