public class Login extends HttpServlet {
	private static final Logger logger = Logger
			.getLogger(Login.class.getName());
	public static final String TOKEN_SECRET = "tokenSecret";

	public static final String TOKEN = "token";

	public static final String CONSUMER_KEY = "Put Yours Here";

	public static final String CONSUMER_SECRET = "Put Yours Here";

	@Override
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws IOException {
		try {
			Twitter twitter = new TwitterFactory().getInstance();
			twitter.setOAuthConsumer(CONSUMER_KEY, CONSUMER_SECRET);
			RequestToken requestToken = twitter.getOAuthRequestToken();
			request.getSession().setAttribute(TOKEN, requestToken);
			response.sendRedirect(requestToken.getAuthorizationURL());
		} catch (TwitterException te) {
			logger.log(Level.SEVERE, te.getMessage(), te);
		}
	}
}