public static CommandDescription parse()

in CommandLineClient/src/main/java/com/facebook/ads/injkit/cli/CommandDescription.java [36:91]
47 lines of code
13 McCabe index (conditional complexity)

  public static CommandDescription parse(String[] args) throws CliException {
    File inputFile = null;
    File outputFile = null;
    File configFile = null;
    List<File> classpath = new ArrayList<>();

    for (int i = 0; i < args.length; i++) {
      ArgumentNameAndValue argumentNameAndValue = parseArgument(args[i]);
      switch (argumentNameAndValue.getName()) {
        case INPUT_COMMAND:
          if (inputFile != null) {
            throw new CliException("'%s' argument specified more than once", INPUT_COMMAND);
          }

          inputFile = new File(argumentNameAndValue.getValue());
          break;
        case OUTPUT_COMMAND:
          if (outputFile != null) {
            throw new CliException("'%s' argument specified more than once", OUTPUT_COMMAND);
          }

          outputFile = new File(argumentNameAndValue.getValue());
          break;
        case CONFIG_COMMAND:
          if (configFile != null) {
            throw new CliException("'%s' argument specified more than once", CONFIG_COMMAND);
          }

          configFile = new File(argumentNameAndValue.getValue());
          break;
        case CLASSPATH_COMMAND:
          for (String element :
              argumentNameAndValue.getValue().split(System.getProperty("path.separator"))) {
            classpath.add(new File(element));
          }

          break;
        default:
          throw new CliException("Unknown argument '%s'", argumentNameAndValue.getName());
      }
    }

    if (inputFile == null) {
      throw new CliException("'%s' argument not specified", INPUT_COMMAND);
    }

    if (outputFile == null) {
      throw new CliException("'%s' argument not specified", OUTPUT_COMMAND);
    }

    if (configFile == null) {
      throw new CliException("'%s' argument not specified", CONFIG_COMMAND);
    }

    return new CommandDescription(inputFile, outputFile, configFile, classpath);
  }