WebApp.TwitterConsumer.java Source code

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/*
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 * and open the template in the editor.
 */
package WebApp;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.oauth.OAuthAccessor;
import net.oauth.OAuthConsumer;
import twitter4j.Query;
import twitter4j.QueryResult;
import twitter4j.Status;
import twitter4j.Twitter;
import twitter4j.TwitterFactory;
import twitter4j.conf.ConfigurationBuilder;

/**
 *
 * @author CarlosEduardo
 */
public class TwitterConsumer extends HttpServlet {

    @Override
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {
        OAuthConsumer consumer = null;
        OAuthAccessor accessor = null;
        try {
            consumer = CookieConsumer.getConsumer("twitter", getServletContext());
            accessor = CookieConsumer.getAccessor(request, response, consumer);

            String TWITTER_CONSUMER_KEY = consumer.consumerKey;
            String TWITTER_SECRET_KEY = consumer.consumerSecret;
            String TWITTER_ACCESS_TOKEN = accessor.accessToken;
            String TWITTER_ACCESS_TOKEN_SECRET = accessor.tokenSecret;
            ConfigurationBuilder cb = new ConfigurationBuilder();
            cb.setDebugEnabled(true).setOAuthConsumerKey(TWITTER_CONSUMER_KEY)
                    .setOAuthConsumerSecret(TWITTER_SECRET_KEY).setOAuthAccessToken(TWITTER_ACCESS_TOKEN)
                    .setOAuthAccessTokenSecret(TWITTER_ACCESS_TOKEN_SECRET);
            TwitterFactory tf = new TwitterFactory(cb.build());
            Twitter twitter = tf.getInstance();

            response.setContentType("text/html");
            PrintWriter out = response.getWriter();
            out.println("<!DOCTYPE html>");
            out.println("<html lang=\"es\"><head>");
            out.println("<meta charset=\"UTF-8\">");
            out.println(
                    "   <link href='http://fonts.googleapis.com/css?family=Lato' rel='stylesheet' type='text/css'>\n"
                            + "   <link rel=\"stylesheet\" href=\"css/style.css\">\n"
                            + "   <link rel=\"stylesheet\" href=\"css/bootstrap.css\">");
            out.println("<link rel=\"stylesheet\" href=\"css/flat-ui.css\">\n");
            //Query query = new Query("Dom2D");
            //QueryResult result;
            //do {
            //result = twitter.
            out.println("<body><header>\n" + "      <img src =\"Stalker.jpg \" width = 800 >\n" + "      <br>\n"
                    + "      <br>\n" + "   </header>\n" + "   <section style=\"height: auto;\">\n"
                    //+ "      <p> \n"
                    //+ "          <input id=\"user\" type=\"text\" placeholder=\"Nombre de usuario\"/>"
                    //+ "      </p>\n"
                    + "      <h4 style=\"font-family:Comic Sans MS\">Timeline</h4>\n");
            List<Status> tweets = twitter.getUserTimeline();
            tweets.stream().forEach((tweet) -> {
                out.println("      <div class=\"tweet\">\n" + "         <div class=\"info\">\n"
                        + "            <p class=\"user\">\n" + "               <span class=\"name\">"
                        + tweet.getUser().getName() + "</span>\n" + "               <span class=\"username\">"
                        + tweet.getUser().getScreenName() + "</span>\n" + "               <span class=\"date\">"
                        + tweet.getCreatedAt() + "</span>\n" + "            </p>\n"
                        + "            <p class=\"text\">" + tweet.getText() + "</p>\n" + "         </div>\n"
                        + "      </div>\n");
            });
            out.println("   </section>\n" + "   <footer>\n"
                    + "         <a href = \"https://www.facebook.com/\">Desarrolladores</a>\n"
                    + "<a href=\"Reset\">Logout</a>" + "   </footer></body>");
            out.println("</html>");
            //} while ((query = result.nextQuery()) != null);
        } catch (Exception e) {
            CookieConsumer.handleException(e, request, response, consumer);
        }
    }

    private static final long serialVersionUID = 1L;
}