public XMLDemoScreen() {
setTitle("XML Demo");
try {
// Build a document based on the XML file.
final DocumentBuilderFactory factory =
DocumentBuilderFactory.newInstance();
final DocumentBuilder builder = factory.newDocumentBuilder();
final InputStream inputStream =
getClass().getResourceAsStream(_xmlFileName);
final Document document = builder.parse(inputStream);
// Normalize the root element of the XML document. This ensures that