public static void main()

in pdq/java/src/main/java/pdqhashing/tools/Clusterize256xTool.java [79:154]
65 lines of code
17 McCabe index (conditional complexity)

  public static void main(String[] args) {
    boolean doBruteForceQuery = false;
    int  distanceThreshold = DEFAULT_PDQ_DISTANCE_THRESHOLD;
    int  traceCount = 0;

    // Parse command-line flags. I'm explicitly not using gflags or other such
    // libraries, to minimize the number of external dependencies for this
    // project.
    int argi = 0;
    int argc = args.length;
    while (argi < argc) {
      if (!args[argi].startsWith("-")) {
        break;
      }

      if (args[argi].equals("-h") || args[argi].equals("--help")) {
        usage(0);
      } else if (args[argi].equals("-b") || args[argi].equals("--brute-force-query")) {
        doBruteForceQuery = true;
        argi++;

      } else if (args[argi].equals("-d")) {
        if ((argc - argi) < 2)
          usage(1);
        try {
          distanceThreshold = Integer.parseInt(args[argi+1]);
        } catch (NumberFormatException e) {
          usage(1);
        }
        argi += 2;

      } else if (args[argi].equals("--trace")) {
        if ((argc - argi) < 2)
          usage(1);
        try {
          traceCount = Integer.parseInt(args[argi+1]);
        } catch (NumberFormatException e) {
          usage(1);
        }
        argi += 2;

      } else {
        usage(1);
      }
    }
    args = Arrays.copyOfRange(args, argi, argc);

    //  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    MIH256<String> mihWithCenters = new MIH256<String>();
    Map<Hash256,Integer> centersToIndices = new HashMap<Hash256,Integer>();

    int lineCounter = 0;
    if (args.length == 0) {
      BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
      handleStream(reader, "(standard input)", mihWithCenters, centersToIndices, distanceThreshold,
        lineCounter, traceCount, doBruteForceQuery);
    } else {
      for (String filename : args) {
        BufferedReader reader = null;
        try {
          reader = new BufferedReader(new FileReader(filename));
        } catch (FileNotFoundException e) {
          System.err.printf("%s: could not open \"%s\" for read.\n", PROGNAME, filename);
          System.exit(1);
        }
        lineCounter = handleStream(reader, filename, mihWithCenters, centersToIndices, distanceThreshold,
          lineCounter, traceCount, doBruteForceQuery);
        try {
          reader.close();
        } catch (IOException e) {
          System.err.printf("%s: could not close \"%s\" after read.\n", PROGNAME, filename);
          System.exit(1);
        }
      }
    }
  }