Example usage for twitter4j Twitter getOAuthAccessToken

Introduction

In this page you can find the example usage for twitter4j Twitter getOAuthAccessToken.

Prototype

AccessToken getOAuthAccessToken(RequestToken requestToken, String oauthVerifier) throws TwitterException;

Source Link

Document

Retrieves an access token associated with the supplied request token and sets userId.

Usage

From source file:uk.trainwatch.web.auth.twitter.TwitterCallbackServlet.java

@Override
protected void doSecureGet(ApplicationRequest request) throws ServletException, IOException {
    HttpSession session = request.getRequest().getSession();

    Twitter twitter = (Twitter) session.getAttribute("twitter");
    RequestToken requestToken = (RequestToken) session.getAttribute("requestToken");
    String verifier = request.getParam().get("oauth_verifier");

    try {//from   w w w . ja  v a  2  s .  c  o  m
        if (twitter == null || requestToken == null || verifier == null) {
            request.redirect("/", true);
        } else {
            twitter.getOAuthAccessToken(requestToken, verifier);

            User user = null;
            if (request.isAuthenticated()) {
                // Link to existing user
                user = userFactory.linkTwitter(request.getUser(), twitter);
            } else {
                // Login/Register new user
                user = userFactory.loginOrRegisterTwitter(twitter);
            }

            if (user != null) {
                session.setAttribute(User.KEY, user);
            }

            request.redirect("/home", true);
        }
    } catch (SQLException | TwitterException ex) {
        throw new ServletException(ex);
    } finally {
        session.removeAttribute("twitter");
        session.removeAttribute("requestToken");
    }
}