Main.java Source code

Introduction

Here is the source code for Main.java

Source

import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {

    public static String getChildText(Element parent, String childName) {
        NodeList list = parent.getElementsByTagName(childName);
        if (list.getLength() > 1) {
            throw new IllegalStateException("Multiple child elements with name " + childName);
        } else if (list.getLength() == 0) {
            return null;
        }
        Element child = (Element) list.item(0);
        return getText(child);
    }

    public static String getText(Element element) {
        StringBuffer buf = new StringBuffer();
        NodeList list = element.getChildNodes();
        boolean found = false;
        for (int i = 0; i < list.getLength(); i++) {
            Node node = list.item(i);
            if (node.getNodeType() == Node.TEXT_NODE) {
                buf.append(node.getNodeValue());
                found = true;
            }
        }
        return found ? buf.toString() : null;
    }
}