For Marcus

console.scala

scala> import model._
import model._

scala> val afghanistan = JSONCountry("9c5bae60-4d6f-e111-afed-00155d6f0a00", "Afghanistan")
afghanistan: model.JSONCountry = JSONCountry(9c5bae60-4d6f-e111-afed-00155d6f0a00,Afghanistan)

scala> val j = JSONData(afghanistan :: Nil)
j: model.JSONData = JSONData(List(JSONCountry(9c5bae60-4d6f-e111-afed-00155d6f0a00,Afghanistan)))

scala> j.toJSON
res0: net.liftweb.json.package.JObject = JObject(List(JField(countries,JArray(List(JObject(List(JField(countryID,JString(9c5bae60-4d6f-e111-afed-00155d6f0a00)), JField(country,JString(Afghanistan)))))))))

context.scala

package myApp

import com.novus.salat.{TypeHintFrequency, StringTypeHintStrategy, Context}
import com.novus.salat.json._
import org.joda.time.format.ISODateTimeFormat
import org.joda.time.DateTimeZone
import com.novus.salat.StringTypeHintStrategy

package object context {
  implicit val ctx = new Context {
    val name = "json-test-context"
    override val typeHintStrategy = StringTypeHintStrategy(when = TypeHintFrequency.WhenNecessary,
      typeHint = "_t")
    override val jsonConfig = JSONConfig(
      dateStrategy = StringDateStrategy(dateFormatter = ISODateTimeFormat.dateTime.withZone(DateTimeZone.forID("US/Eastern"))),
      objectIdStrategy = StringObjectIdStrategy)
  }
}

model.scala

package model

import myApp.context._
import com.novus.salat._

case class JSONData(
    countries: List[JSONCountry]) {
  def toJSON = grater[JSONData].toJSON(this)
}

case class JSONCountry(
  countryID: String,
  country: String)