Format[Person] using defaults for Working with JSON in Play 2.1 by Greg Methvin.scala

Format[Person] using defaults for Working with JSON in Play 2.1 by Greg Methvin.scala

implicit val personFormat: Format[Person] = (
  (__ "id").formatNullable[Id[Person]] and
  (__ "name").format[Name] and
  (__ "email").formatNullable(
    Format(Reads.email, Writes.StringWrites))
      .inmap[String](_.getOrElse(""), Some(_).filterNot(_.isEmpty)
    ) and
  (__ "birthDate").format[LocalDate]
)(Person.apply, unlift(Person.unapply)) 
Json.fromJson[Person](Json.parse("""{
  "id":0,
  "name":{"firstName":"Arthur","lastName":"Dent"},
  "birthDate":"1952-03-11"
}"""))
// => JsSuccess(Person(Some(0),Name(Arthur,Dent),,1952-03-11),)