public static List getIps()

in metron-platform/metron-elasticsearch/metron-elasticsearch-common/src/main/java/org/apache/metron/elasticsearch/utils/ElasticsearchUtils.java [91:141]
51 lines of code
15 McCabe index (conditional complexity)

  public static List<HostnamePort> getIps(Map<String, Object> globalConfiguration) {
    Object ipObj = globalConfiguration.get("es.ip");
    Object portObj = globalConfiguration.get("es.port");
    if(ipObj == null) {
      return Collections.emptyList();
    }
    if(ipObj instanceof String
            && ipObj.toString().contains(",") && ipObj.toString().contains(":")){
      List<String> ips = Arrays.asList(((String)ipObj).split(","));
      List<HostnamePort> ret = new ArrayList<>();
      for(String ip : ips) {
        Iterable<String> tokens = Splitter.on(":").split(ip);
        String host = Iterables.getFirst(tokens, null);
        String portStr = Iterables.getLast(tokens, null);
        ret.add(new HostnamePort(host, Integer.parseInt(portStr)));
      }
      return ret;
    }else if(ipObj instanceof String
            && ipObj.toString().contains(",")){
      List<String> ips = Arrays.asList(((String)ipObj).split(","));
      List<HostnamePort> ret = new ArrayList<>();
      for(String ip : ips) {
        ret.add(new HostnamePort(ip, Integer.parseInt(portObj + "")));
      }
      return ret;
    }else if(ipObj instanceof String
            && !ipObj.toString().contains(":")
            ) {
      return ImmutableList.of(new HostnamePort(ipObj.toString(), Integer.parseInt(portObj + "")));
    }
    else if(ipObj instanceof String
            && ipObj.toString().contains(":")
            ) {
      Iterable<String> tokens = Splitter.on(":").split(ipObj.toString());
      String host = Iterables.getFirst(tokens, null);
      String portStr = Iterables.getLast(tokens, null);
      return ImmutableList.of(new HostnamePort(host, Integer.parseInt(portStr)));
    }
    else if(ipObj instanceof List) {
      List<String> ips = (List)ipObj;
      List<HostnamePort> ret = new ArrayList<>();
      for(String ip : ips) {
        Iterable<String> tokens = Splitter.on(":").split(ip);
        String host = Iterables.getFirst(tokens, null);
        String portStr = Iterables.getLast(tokens, null);
        ret.add(new HostnamePort(host, Integer.parseInt(portStr)));
      }
      return ret;
    }
    throw new IllegalStateException("Unable to read the elasticsearch ips, expected es.ip to be either a list of strings, a string hostname or a host:port string");
  }