public static void main()

in samoa-storm/src/main/java/org/apache/samoa/topology/impl/StormTopologySubmitter.java [55:123]
59 lines of code
8 McCabe index (conditional complexity)

  public static void main(String[] args) throws IOException {
    Properties props = StormSamoaUtils.getProperties();

    String uploadedJarLocation = props.getProperty(StormJarSubmitter.UPLOADED_JAR_LOCATION_KEY);
    if (uploadedJarLocation == null) {
      logger.error("Invalid properties file. It must have key {}",
          StormJarSubmitter.UPLOADED_JAR_LOCATION_KEY);
      return;
    }

    List<String> tmpArgs = new ArrayList<String>(Arrays.asList(args));
    int numWorkers = StormSamoaUtils.numWorkers(tmpArgs);

    args = tmpArgs.toArray(new String[0]);
    StormTopology stormTopo = StormSamoaUtils.argsToTopology(args);

    Config conf = new Config();
    conf.putAll(Utils.readStormConfig());
    conf.putAll(Utils.readCommandLineOpts());
    conf.setDebug(false);
    conf.setNumWorkers(numWorkers);

    String profilerOption =
        props.getProperty(StormTopologySubmitter.YJP_OPTIONS_KEY);
    if (profilerOption != null) {
      String topoWorkerChildOpts = (String) conf.get(Config.TOPOLOGY_WORKER_CHILDOPTS);
      StringBuilder optionBuilder = new StringBuilder();
      if (topoWorkerChildOpts != null) {
        optionBuilder.append(topoWorkerChildOpts);
        optionBuilder.append(' ');
      }
      optionBuilder.append(profilerOption);
      conf.put(Config.TOPOLOGY_WORKER_CHILDOPTS, optionBuilder.toString());
    }

    Map<String, Object> myConfigMap = new HashMap<String, Object>(conf);
    StringWriter out = new StringWriter();

    try {
      JSONValue.writeJSONString(myConfigMap, out);
    } catch (IOException e) {
      System.out.println("Error in writing JSONString");
      e.printStackTrace();
      return;
    }

    Config config = new Config();
    config.putAll(Utils.readStormConfig());

    NimbusClient nc = NimbusClient.getConfiguredClient(config);
    String topologyName = stormTopo.getTopologyName();
    try {
      System.out.println("Submitting topology with name: "
          + topologyName);
      nc.getClient().submitTopology(topologyName, uploadedJarLocation,
          out.toString(), stormTopo.getStormBuilder().createTopology());
      System.out.println(topologyName + " is successfully submitted");

    } catch (AlreadyAliveException aae) {
      System.out.println("Fail to submit " + topologyName
          + "\nError message: " + aae.get_msg());
    } catch (InvalidTopologyException ite) {
      System.out.println("Invalid topology for " + topologyName);
      ite.printStackTrace();
    } catch (TException te) {
      System.out.println("Texception for " + topologyName);
      te.printStackTrace();
    }
  }