Esempio n. 1
0
  private static void startStream(List<String> terms) throws TwitterException {
    if (twitter != null) {
      twitter.cleanUp();
    }
    if (esClient != null) {
      esClient.close();
      esClient = null;
    }

    play.Configuration pconf = Play.application().configuration();
    String elasticSearchCluster = pconf.getString("tweet.elasticsearch.cluster.name");
    if (elasticSearchCluster != null) {
      Logger.info("Configuring ElasticSearch...");
      Settings settings =
          ImmutableSettings.settingsBuilder().put("cluster.name", elasticSearchCluster).build();

      esClient =
          new TransportClient(settings)
              .addTransportAddress(
                  new InetSocketTransportAddress(
                      pconf.getString("tweet.elasticsearch.transport.host"),
                      pconf.getInt("tweet.elasticsearch.transport.port")));
    } else {
      esClient = null;
    }

    twitter4j.conf.Configuration tconf = Application.getTwitterConfiguration();
    TwitterStreamFactory tf = new TwitterStreamFactory(tconf);
    twitter = tf.getInstance();
    StatusListener l =
        new TweetListener(
            terms,
            esClient,
            pconf.getString("tweet.elasticsearch.index"),
            pconf.getString("tweet.elasticsearch.type"));
    twitter.addListener(l);

    String[] tracks = new String[terms.size()];
    StringBuffer termsString = new StringBuffer();
    for (int i = 0; i < terms.size(); i++) {
      tracks[i] = terms.get(i);
      if (i != 0) termsString.append(",");
      termsString.append(terms.get(i));
    }
    FilterQuery q = new FilterQuery().track(tracks);
    twitter.filter(q);
    Logger.info("Starting listening for tweets using terms " + termsString.toString() + "...");
  }
 public static List<Task> getTaskList() {
   DBCollection coll = db.getCollection("tasklist");
   DBCursor cursor = coll.find();
   StringBuffer sBuffer = new StringBuffer();
   List<Task> listTask = new LinkedList<Task>();
   Gson gson = new Gson();
   try {
     while (cursor.hasNext()) {
       String json = cursor.next().toString();
       sBuffer.append(json);
       Task jTask = gson.fromJson(json, Task.class);
       listTask.add(jTask);
     }
   } finally {
     cursor.close();
   }
   return listTask;
 }