Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import org.w3c.dom.*;

public class Main {
    /**
     * @return the child element, throws exception if the parent does not
     *          have exactly one sub element with name
     */
    public static Element getSingleSubElement(Element parentElement, String name) {
        NodeList nodes = parentElement.getElementsByTagName(name);
        if (nodes.getLength() != 1) {
            throw new IllegalArgumentException("Expected the element " + parentElement.getNodeName()
                    + " to have one child called " + name + " but found " + nodes.getLength());
        }
        return (Element) nodes.item(0);
    }
}