CapabilitiesExtractor.scala

class CapabilitiesExtractor(val device: Device, val capabilitiesFilter: Option[List[String]]) {

  def extract(): Map[String, Option[CapabilityValue]] = {
    val capabilities = device.capabilities ++ device.virtualCapabilities
     ???
    }
}

object CapabilitiesExtractor {

  val typeMap = Map[String, (Option[String]) => Option[CapabilityValue]](
      "mobile_browser" -> stringToString,
      "nokia_feature_pack" -> stringToNumeric,
      "has_qwerty_keyboard" -> stringToBoolean,
      ...
    )

  def stringToNumeric(value: Option[String]): Option[CapabilityValue] = {
    Some(IntValue(Try(value.get.toInt).getOrElse(return None)))
  }

  def stringToBoolean(value: Option[String]): Option[CapabilityValue] = {
    Some(BoolValue(Try(value.get.toBoolean).getOrElse(return None)))
  }

  def stringToString(value: Option[String]): Option[CapabilityValue] = {
    Some(StringValue(value.get))
  }

  def remap(key: String, value: Option[String]): Option[CapabilityValue] = {
    return typeMap.get(key).get(value)
  }
}