Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright 2008 - 2009 Pro-Netics S.P.A.
 *
 *    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.NodeList;

public class Main {
    /**
     * Gets the unique child node of the given <code>parent</code> element.<br>
     * @param parent the parent node
     * @param childName name of the wanted child node
     * @return the unique child of the parent node 
     */
    public static Element getUniqueChild(Element parent, String childName) {
        Element child = null;
        if (parent != null && childName != null) {
            NodeList list = parent.getElementsByTagName(childName);
            if (list != null && list.getLength() > 0) {
                child = (Element) list.item(0);
            }
        }
        return child;
    }
}