Java XML First Child Element getFirstChildElement(Node parent)

Description

Return the first child element

License

Apache License

Return

the first child element or null if the given node has no child elements.

Declaration

public static Element getFirstChildElement(Node parent) 

Method Source Code

//package com.java2s;
/*//from  www  .j  a  va2  s  .  c  o  m
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Return the first child element
     *
     * @return the first child element or <code>null</code> if the given node has no
     * child elements.
     */
    public static Element getFirstChildElement(Node parent) {
        if (parent != null) {
            NodeList children = parent.getChildNodes();
            for (int i = 0; i < children.getLength(); i++) {
                Node child = children.item(i);
                if (isElement(child)) {
                    return (Element) child;
                }
            }
        }
        return null;
    }

    /**
     * @param node
     * @return true if the given node is of type element.
     */
    static boolean isElement(Node node) {
        return node.getNodeType() == Node.ELEMENT_NODE;
    }
}

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