Gets the first child XML element with the specified name. - Java XML

Java examples for XML:XML Element Child

  1. HOME
  2. Java
  3. XML
  4. XML Element Child

Description

Gets the first child XML element with the specified name.

Demo Code

/*//from   ww  w .  j  a  v  a  2 s. c o m
 * Copyright 2010 Attribyte, LLC 
 * 
 * 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.  
 * 
 */
//package com.java2s;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Gets the first child element with the specified name.
     * @param parentElem The parent element.
     * @param childName The child name.
     * @return The first element or <tt>null</tt> if none found.
     */
    public static final Element getFirstChild(final Element parentElem,
            final String childName) {
        NodeList childList = parentElem.getElementsByTagName(childName);
        if (childList.getLength() > 0) {
            Node childNode = childList.item(0);
            if (childNode instanceof Element
                    && childNode.getParentNode() == parentElem) {
                return (Element) childNode;
            } else {
                return null;
            }
        } else {
            return null;
        }
    }
}

Related Tutorials