Java XML Child Get by Namespace getChildElementsByTagNameNS(Element parentElement, String namespaceURI, String localName)

Description

Retrieves all immediate child elements of the specified element whose names match the provided name parameter.

License

LGPL

Parameter

Parameter	Description
parentElement	The element to search.
namespaceURI	The namespace URI of the child element.
localName	The name of the child element.

Return

An array of matching child elements.

Declaration

public static Element[] getChildElementsByTagNameNS(Element parentElement, String namespaceURI,
        String localName) 

Method Source Code

//package com.java2s;
/* /*from  ww  w  .  j  a va  2  s  . com*/
 * This file is part of the Echo Web Application Framework (hereinafter "Echo").
 * Copyright (C) 2002-2009 NextApp, Inc.
 *
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 */

import java.util.ArrayList;
import java.util.List;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Retrieves all immediate child elements of the specified element whose
     * names match the provided <code>name</code> parameter.
     * 
     * @param parentElement The element to search.
     * @param namespaceURI The namespace URI of the child element.
     * @param localName The name of the child element.
     * @return An array of matching child elements.
     */
    public static Element[] getChildElementsByTagNameNS(Element parentElement, String namespaceURI,
            String localName) {
        List children = new ArrayList();
        NodeList nodes = parentElement.getChildNodes();
        int length = nodes.getLength();
        for (int index = 0; index < length; ++index) {
            if (nodes.item(index).getNodeType() == Node.ELEMENT_NODE
                    && namespaceURI.equals(nodes.item(index).getNamespaceURI())
                    && localName.equals(nodes.item(index).getNodeName())) {
                children.add(nodes.item(index));
            }
        }
        Element[] childElements = new Element[children.size()];
        return (Element[]) children.toArray(childElements);
    }
}

Related

1. getChildElementsByTagNameNS(Element parent, String namespaceURI, String localName)
2. getChildElementsByTagNameNS(Vector vector, Node node, String tagName, String namespace)
3. getChildElementValueNS(Element parentElm, String elementNamespaceURI, String elementLocalName)