private File downloadXml() throws Exception {
File destinationFile = outputFolder.getFile(UUID.randomUUID().toString());
InputStream responseStream = null;
OutputStream outStream = null;
try {
Authenticator.setDefault(new SimpleUiAuthenticator());
URLConnection connection = openConnection();
responseStream = connection.getInputStream();
outStream = new FileOutputStream(destinationFile);
IOUtils.copy(responseStream, outStream);
} finally {