예제 #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() + "...");
  }
예제 #2
0
 // --
 @SuppressWarnings(value = "unchecked")
 private static Result invokeHandler(
     play.api.mvc.Handler handler, Request requestBuilder, long timeout) {
   if (handler instanceof play.api.mvc.Action) {
     play.api.mvc.Action action = (play.api.mvc.Action) handler;
     return wrapScalaResult(action.apply(requestBuilder._underlyingRequest()), timeout);
   } else if (handler instanceof JavaHandler) {
     return invokeHandler(
         ((JavaHandler) handler)
             .withComponents(
                 Play.application().injector().instanceOf(JavaHandlerComponents.class)),
         requestBuilder,
         timeout);
   } else {
     throw new RuntimeException("This is not a JavaAction and can't be invoked this way.");
   }
 }