Java XML Child Get by Name getChildElement(Node parent, String childLocalName, String childNamespaceURI)

Description

Returns the first child element that matches the given local name and namespace.

License

Apache License

Parameter

Parameter	Description
parent	a parameter
childLocalName	a parameter
childNamespaceURI	a parameter

Return

first child element matching the specified names or null.

Declaration

public static Element getChildElement(Node parent, String childLocalName, String childNamespaceURI) 

Method Source Code

//package com.java2s;
/*//  w  w w .java2  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 {
    /**
     * Returns the first child element that matches the given local name and
     * namespace. If no child element is present or no child element matches,
     * <code>null</code> is returned.
     *
     * @param parent
     * @param childLocalName
     * @param childNamespaceURI
     * @return first child element matching the specified names or <code>null</code>.
     */
    public static Element getChildElement(Node parent, String childLocalName, String childNamespaceURI) {
        if (parent != null) {
            NodeList children = parent.getChildNodes();
            for (int i = 0; i < children.getLength(); i++) {
                Node child = children.item(i);
                if (child.getNodeType() == Node.ELEMENT_NODE && childLocalName.equals(child.getLocalName())
                        && childNamespaceURI.equals(child.getNamespaceURI())) {
                    return (Element) child;
                }
            }
        }
        return null;
    }
}

Related

1. getChildElement(final Element parent, final String ns, final String localName)
2. getChildElement(final Node parent, final String name)
3. getChildElement(final Node parentNode, final String childNodeName)
4. getChildElement(Node node)
5. getChildElement(Node node, String childName)
6. getChildElement(Node parent, String childName)
7. getChildElement(Node parent, String elementName)
8. getChildElement(Node parent, String name)
9. getChildElement(Node start, String name)