def getSpecifiedModes()

in src/main/scala/com/twitter/iago/launcher/Launcher.scala [127:143]

15 lines of code
3 McCabe index (conditional complexity)


  def getSpecifiedModes(modes: Seq[Mode]) = modes.filter(_.modeFlag.isDefined)

  def getMode(modes: Seq[Mode]): Mode = getSpecifiedModes(modes).head

  def checkModeFlags(modes: Seq[Mode]): Unit = {
    val availableModeFlags = modes.map(mode => s"-${mode.modeFlag.name}").mkString("\n")
    val specifiedModes = getSpecifiedModes(modes)
    if (specifiedModes.isEmpty) {
      exitOnError(
        s"\nError: exactly one of the following modes must be specified.\n$availableModeFlags"
      )
    } else if (specifiedModes.length > 1) {
      exitOnError(
        s"\nError: only one of the following modes may be specified.\n$availableModeFlags"
      )
    }
  }