object RESTConnectohr {
  def doGET(
    url_string: String,
    vars: Option[Map[String, String]] = None,
    headers: Option[Map[String, String]] = None): Pair[Int, String] = {

    val get_params: String = vars match {
      case Some(q) => q
        .map((x: (String, String)) => x._1 + "=" + URLEncoder.encode(x._2, "ISO-8859-1"))
        .mkString("&")
      case _ => ""
    }

    val url: URL = new URL(url_string + get_params)

    val conn: HttpURLConnection = url
      .openConnection()
      .asInstanceOf[HttpURLConnection]
    conn.setRequestMethod("GET")

    headers.map(_.map((x) => conn.setRequestProperty(x._1, x._2)))

    (conn.getResponseCode(), conn.getResponseMessage())
  }
}