Java XML Has Child hasElementChild(Node node)

Description

Checks if a node has a child of ELEMENT type.

License

Open Source License

Parameter

Parameter	Description
node	a node

Return

true if the node has a child of ELEMENT type

Declaration

public static boolean hasElementChild(Node node) 

Method Source Code

//package com.java2s;
/**/*ww w.ja v  a  2 s. c  o m*/
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2005 Sun Microsystems Inc. All Rights Reserved
 *
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the License). You may not use this file except in
 * compliance with the License.
 *
 * You can obtain a copy of the License at
 * https://opensso.dev.java.net/public/CDDLv1.0.html or
 * opensso/legal/CDDLv1.0.txt
 * See the License for the specific language governing
 * permission and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * Header Notice in each file and include the License file
 * at opensso/legal/CDDLv1.0.txt.
 * If applicable, add the following below the CDDL Header,
 * with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 *
 * $Id: XMLUtils.java,v 1.5 2008-06-25 05:41:28 qcheng Exp $
 *
 */

import java.util.HashSet;

import java.util.Set;

import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Checks if a node has a child of ELEMENT type.
     * 
     * @param node
     *            a node
     * @return true if the node has a child of ELEMENT type
     */
    public static boolean hasElementChild(Node node) {
        NodeList nl = node.getChildNodes();
        Node child = null;
        int length = nl.getLength();
        for (int i = 0; i < length; i++) {
            child = nl.item(i);
            if (child.getNodeType() == Node.ELEMENT_NODE) {
                return true;
            }
        }

        return false;
    }

    public static Set getChildNodes(Node parentNode, String childName) {
        Set retVal = new HashSet();
        NodeList children = parentNode.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node node = children.item(i);
            if (node.getNodeName().equalsIgnoreCase(childName)) {
                retVal.add(node);
            }
        }
        return (retVal);
    }
}

Related

1. hasChildren(Element element)
2. hasChildren(Element element)
3. hasChildren(Element element, String childName)
4. hasChildren(final Element el)
5. hasChildren(final Node node)
6. hasElementChild(Node node)
7. hasElementChildren(Element element)
8. hasElementChildren(Element elemNode)
9. hasElementChildren(Element elemNode)