app/models/Serialisation.scala (10 lines of code) (raw):
package models
import play.api.libs.json.{Format, Json}
object Serialisation {
import utils.DateUtils._
import play.api.libs.json.JodaWrites._
import play.api.libs.json.JodaReads._
implicit val originFormat: Format[Origin] = Json.format[Origin]
implicit val metaFormat: Format[Meta] = Json.format[Meta]
implicit val instanceFormat: Format[Instance] = Json.format[Instance]
}