object AccessLog {
  case class Entry(clientIp: String, userId: String, timestamp: Instant, path: String, statusCode: Int)

  def parseLine(line: String): Entry = line.split(",") match {
    case Array(clientIp, userId, timestamp, path, statusCode) =>
      Entry(clientIp, userId, new Instant(timestamp), path, statusCode.toInt)
  }
}