Joda DateTime Serializer for ReactiveMongo

JodaTimeSerializer.scala

package foo

import reactivemongo.bson.{BSONHandler, BSONDateTime, Macros}
import org.joda.time.format.ISODateTimeFormat
import org.joda.time.{DateTime, DateTimeZone}

package object bar {
  DateTimeZone.setDefault(DateTimeZone.UTC)

  implicit object BSONDateTimeHandler extends BSONHandler[BSONDateTime, DateTime] {
    val fmt = ISODateTimeFormat.dateTime()
    def read(time: BSONDateTime) = new DateTime(time.value)
    def write(jdtime: DateTime) = BSONDateTime(jdtime.getMillis)
  }

}