private int run()

in java/io/bazel/rules/closure/webfiles/WebfilesValidatorProgram.java [82:140]
59 lines of code
11 McCabe index (conditional complexity)

  private int run(Iterable<String> args) throws IOException {
    Webfiles target = null;
    List<Webfiles> directDeps = new ArrayList<>();
    final List<Path> transitiveDeps = new ArrayList<>();
    Iterator<String> flags = args.iterator();
    Set<String> suppress = new HashSet<>();
    while (flags.hasNext()) {
      String flag = flags.next();
      switch (flag) {
        case "--dummy":
          Files.write(fs.getPath(flags.next()), new byte[0]);
          break;
        case "--target":
          target = loadWebfilesPbtxt(fs.getPath(flags.next()));
          break;
        case "--direct_dep":
          directDeps.add(loadWebfilesPbtxt(fs.getPath(flags.next())));
          break;
        case "--transitive_dep":
          transitiveDeps.add(fs.getPath(flags.next()));
          break;
        case "--suppress":
          suppress.add(flags.next());
          break;
        default:
          throw new RuntimeException("Unexpected flag: " + flag);
      }
    }
    if (target == null) {
      output.println(ERROR_PREFIX + "Missing --target flag");
      return 1;
    }
    Multimap<String, String> errors =
        validator.validate(
            target,
            directDeps,
            Suppliers.memoize(
                new Supplier<ImmutableList<Webfiles>>() {
                  @Override
                  public ImmutableList<Webfiles> get() {
                    ImmutableList.Builder<Webfiles> builder = new ImmutableList.Builder<>();
                    for (Path path : transitiveDeps) {
                      try {
                        builder.add(loadWebfilesPbtxt(path));
                      } catch (IOException e) {
                        throw new RuntimeException(e);
                      }
                    }
                    return builder.build();
                  }
                }));
    Set<String> superfluous =
        Sets.difference(suppress, Sets.union(errors.keySet(), NEVER_SUPERFLUOUS));
    if (!superfluous.isEmpty()) {
      errors.put(
          SUPERFLUOUS_SUPPRESS_ERROR, "Superfluous suppress codes: " + joinWords(superfluous));
    }
    return displayErrors(suppress, errors);
  }