me.chester.myretweetedtweets.TwitterCallbackServlet.java Source code

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Here is the source code for me.chester.myretweetedtweets.TwitterCallbackServlet.java

Source

package me.chester.myretweetedtweets;

/*
 * Copyright  2011 Carlos Duarte do Nascimento (Chester) <cd@pobox.com>
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * Distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import twitter4j.TwitterException;

@SuppressWarnings("serial")
public class TwitterCallbackServlet extends HttpServlet {

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {
        try {
            HttpSession session = request.getSession();
            String token = (String) session.getAttribute("token");
            String tokenSecret = (String) session.getAttribute("tokenSecret");
            if (token == null || tokenSecret == null || !token.equals(request.getParameter("oauth_token"))) {
                response.setStatus(HttpServletResponse.SC_FORBIDDEN);
                return;
            }
            User user = new User();
            user.finishAuthorization(token, tokenSecret);
            user.persist();
            response.sendRedirect("/instructions.jsp?id=" + user.getId());
        } catch (TwitterException te) {
            throw new ServletException(te);
        }
    }
}