// this will throw IllegalStateException if access token is already available
RequestToken requestToken = twitter.getOAuthRequestToken();
System.out.println("Got request token.");
System.out.println("Request token: " + requestToken.getToken());
System.out.println("Request token secret: " + requestToken.getTokenSecret());
AccessToken accessToken = null;
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
while (null == accessToken) {
System.out.println("Open the following URL and grant access to your account:");
System.out.println(requestToken.getAuthorizationURL());
System.out.print("Enter the PIN(if available) and hit enter after you granted access.[PIN]:");
String pin = br.readLine();
try {
if (pin.length() > 0) {
accessToken = twitter.getOAuthAccessToken(requestToken, pin);
} else {
accessToken = twitter.getOAuthAccessToken(requestToken);
}
} catch (TwitterException te) {
if (401 == te.getStatusCode()) {
System.out.println("Unable to get the access token.");
} else {
te.printStackTrace();
}
}
}
System.out.println("Got access token.");
System.out.println("Access token: " + accessToken.getToken());
System.out.println("Access token secret: " + accessToken.getTokenSecret());
} catch (IllegalStateException ie) {
// access token is already available, or consumer key/secret is not set.
if (!twitter.getAuthorization().isEnabled()) {
System.out.println("OAuth consumer key/secret is not set.");
System.exit(-1);