case class Options(host: Option[String], user: Option[String], password: Option[String]) {
  def argsString = {
    val args = new ArrayBuffer[String]()

    if (host.nonEmpty) {
      args+="--host"
      args+=host.get
    }

    if (user.nonEmpty) {
      args+="--user"
      args+=user.get
    }

    if(password.nonEmpty) {
      args+="--password"
      args+=password.get
    }

    args mkString " "
  }
}