json4s-jackson custom serializer for Joda Money

JodaMoneySerializer.scala

class JodaMoneySerializer extends CustomSerializer[Money](format => (
  {
    case JObject(JField("value", JDecimal(value)) :: JField("currency", JString(currency)) :: Nil) =>
      Money.of(CurrencyUnit.getInstance(currency), value.bigDecimal)
  },
  {
    case money: Money =>
      JObject(
          JField("value", JDecimal(BigDecimal(money.getAmount))) ::
          JField("currency", JString(money.getCurrencyUnit.getCurrencyCode)) ::
          JField("symbol", JString(CurrencySymbol.symbol(money.getCurrencyUnit.getCurrencyCode))) :: Nil)
  }
))