Java XML Has Child hasChildElement(Element element, String name)

Description

Returns true if the specified element has a child with the specified name or false otherwise.

License

Apache License

Parameter

Parameter	Description
element	the parent element
name	the name of the child element

Return

true if the specified element has a child with the specified name or false otherwise

Declaration

public static boolean hasChildElement(Element element, String name) 

Method Source Code

//package com.java2s;
/*//  w w  w.j  a  v a  2 s  .c  o m
 * Copyright 2017 Marcus Portmann
 *
 * Licensed 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 {
    /**
     * Returns <code>true</code> if the specified element has a child with the specified name or
     * <code>false</code> otherwise.
     *
     * @param element the parent element
     * @param name    the name of the child element
     *
     * @return <code>true</code> if the specified element has a child with the specified name or
     *         <code>false</code> otherwise
     */
    public static boolean hasChildElement(Element element, String name) {
        NodeList nodeList = element.getChildNodes();

        for (int i = 0; i < nodeList.getLength(); i++) {
            Node node = nodeList.item(i);

            if (node instanceof Element) {
                Element childElement = (Element) node;

                if (childElement.getNodeName().equals(name)) {
                    return true;
                }
            }
        }

        return false;
    }
}

Related

1. hasChild(Element parent, String nodeName)
2. hasChild(Element root, String childName)
3. hasChild(Element start, String name)
4. hasChild(Node n)
5. hasChildElement(Element elem, String namespace, String localName)
6. hasChildElement(NodeList list)
7. hasChildElement(TreeWalker walker)
8. hasChildElementNodes(@Nonnull final Node aStartNode)
9. hasChildElements(Element element)