Package it.unipr.aotlab.TwitterMiner.twitter.client

Source Code of it.unipr.aotlab.TwitterMiner.twitter.client.TwitterMain

/*
* Copyright (c) <2011> <Marco Tarasconi>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/

package it.unipr.aotlab.TwitterMiner.twitter.client;

import java.io.FileNotFoundException;

import it.unipr.aotlab.TwitterMiner.database.RedisBackend;
import twitter4j.FilterQuery;
import twitter4j.TwitterException;
import twitter4j.TwitterStream;
import twitter4j.TwitterStreamFactory;

/**
* This class connects to Twitter and gets a stream of tweets about some chosen
* topics
*
* @author Marco Tarasconi
*/
public class TwitterMain {

  private static TwitterStreamListener listener = null;
  private static RedisBackend redisDB = null;

  /**
   * The args[] are used to filter twitter stream (example:
   * "#twitter #facebook #social #redis"). If no filter is specified, the
   * default "#twitter" filter is used
   *
   * @param args
   * @throws FileNotFoundException
   * @throws TwitterException
   */
  public static void main(String[] args) throws FileNotFoundException {

    redisDB = new RedisBackend();
    listener = new TwitterStreamListener(redisDB);

    /** Number of old tweets to catch before starting to listen live stream */
    int count = 0;

    TwitterStream twitterStream = new TwitterStreamFactory().getInstance();
    twitterStream.addListener(listener);
    FilterQuery filterQuery = new FilterQuery();
    filterQuery.count(count);
    if (args.length == 0) {
      args = new String[1];
      args[0] = "#twitter";
    }
    filterQuery.track(args);
    twitterStream.filter(filterQuery);
  }

}
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