Scala - Convert java.util.Properties to Map[String, Option[Map]]

PropertyConverters.scala

object PropertyConverters extends PropertyConverters
trait PropertyConverters {

  import java.util.Properties

  implicit class RichOptionString2File(props: Properties) {
    implicit def asMap: Map[String, Option[Any]] =
      (Map[String, Option[Any]]() /: props.keySet.toArray) {
        (acc, key) =>
          acc + (key.toString -> Option(props.get(key)))
      }
  }

}