public final void printUsage()

in benchmark-java/src/main/java/org/apache/pekko/grpc/benchmarks/qps/AbstractConfigurationBuilder.java [145:174]

• 29 lines of code
• 6 McCabe index (conditional complexity)

  public final void printUsage() {
    System.out.println("Usage: [ARGS...]");
    int column1Width = 0;
    List<Param> params = new ArrayList<Param>();
    params.add(HELP);
    params.addAll(getParams());

    for (Param param : params) {
      column1Width = max(commandLineFlag(param).length(), column1Width);
    }
    int column1Start = 2;
    int column2Start = column1Start + column1Width + 2;
    for (Param param : params) {
      StringBuilder sb = new StringBuilder();
      sb.append(Strings.repeat(" ", column1Start));
      sb.append(commandLineFlag(param));
      sb.append(Strings.repeat(" ", column2Start - sb.length()));
      String message = param.getDescription();
      sb.append(wordWrap(message, column2Start, 80));
      if (param.isRequired()) {
        sb.append(Strings.repeat(" ", column2Start));
        sb.append("[Required]\n");
      } else if (param.getDefaultValue() != null && !param.getDefaultValue().isEmpty()) {
        sb.append(Strings.repeat(" ", column2Start));
        sb.append("[Default=" + param.getDefaultValue() + "]\n");
      }
      System.out.println(sb);
    }
    System.out.println();
  }