public void handle()

in api-reference-examples/java/te-tag-query/com/facebook/threatexchange/TETagQuery.java [1323:1422]
88 lines of code
23 McCabe index (conditional complexity)

    public void handle(
      String[] argsAsArray,
      int numIDsPerQuery,
      boolean verbose,
      boolean showURLs,
      DescriptorFormatter descriptorFormatter
    ) {
      boolean dryRun = false;
      boolean descriptorIDsFromStdin = false;
      DescriptorPostParameters  postParams = new DescriptorPostParameters();
      ArrayList<String> args = new ArrayList<String>(Arrays.asList(argsAsArray));

      while (args.size() > 0 && args.get(0).startsWith("-")) {
        String option = args.get(0);
        args.remove(0);

        if (option.equals("-h") || option.equals("--help")) {
          usage(0);

        } else if (option.equals("--dry-run")) {
          dryRun = true;

        } else if (option.equals("-N")) {
          if (args.size() < 1) {
            usage(1);
          }
          descriptorIDsFromStdin = true;
        } else if (option.equals("-n")) {
          if (args.size() < 1) {
            usage(1);
          }
          postParams.setDescriptorID(args.get(0));
          args.remove(0);

        } else if (option.equals("--add-tags")) {
          if (args.size() < 1) {
            usage(1);
          }
          postParams.setTagsToAdd(args.get(0));
          args.remove(0);

        } else if (option.equals("--remove-tags")) {
          if (args.size() < 1) {
            usage(1);
          }
          postParams.setTagsToRemove(args.get(0));
          args.remove(0);

        } else if (option.equals("--tags")) {
          if (args.size() < 1) {
            usage(1);
          }
          postParams.setTagsToSet(args.get(0));
          args.remove(0);

        } else {
          boolean handled = this.commonPosterOptionCheck(option, args, postParams);
          if (!handled) {
            System.err.printf("%s %s: Unrecognized option \"%s\".\n",
              PROGNAME, _verb, option);
            usage(1);
          }
        }
      }

      if (args.size() > 0) {
        System.err.printf("%s %s: Extraneous argument \"%s\"\n", PROGNAME, this._verb, args.get(0));
        usage(1);
      }

      if (descriptorIDsFromStdin) {
        if (postParams.getDescriptorID() != null) {
          System.err.printf("%s %s: exactly one of -N and -n must be supplied.\n",
            PROGNAME, _verb);
          System.exit(1);
        }

        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String line;
        int lno = 1;
        try {
          while ((line = reader.readLine()) != null) {
            lno++;
            // In Java, line-terminators already stripped for us
            postParams.setDescriptorID(line);
            updateSingle(postParams, verbose, showURLs, dryRun);
          }
        } catch (IOException e) {
          System.err.printf("Couldn't read line %d of standard input.\n", lno);
          System.exit(1);
        }
      } else {
        if (postParams.getDescriptorID() == null) {
          System.err.printf("%s %s: exactly one of -N and -n must be supplied.\n",
            PROGNAME, _verb);
          System.exit(1);
        }
        updateSingle(postParams, verbose, showURLs, dryRun);
      }
    }