MongoDB Scala converter using ReactiveMongo for reading and writing custom data

AddressConverter.scala

package com.myconverter

import reactivemongo.api.bson.BSONDocument
import reactivemongo.api.bson.BSONDocumentReader
import reactivemongo.api.bson.BSONDocumentWriter

import scala.util.Try

case class Address(
  line1: String,
  city: String,
  postalCode: Option[String],
  state: Option[String],
  countryCode: String
)

object AddressConverter {

  implicit object tkApiAddressBsonReader
      extends BSONDocumentReader[Address] {
    def readDocument(doc: BSONDocument): Try[Address] =
      Try {
        Address(
          line1 = doc
            .getAsOpt[String]("line1")
            .getOrElse(
              throw new IllegalStateException(
                "address.line1 not found at database"
              )
            ),
          city = doc
            .getAsOpt[String]("city")
            .getOrElse(
              throw new IllegalStateException(
                "address.city not found at database"
              )
            ),
          postalCode = doc.getAsOpt[String]("postal_code"),
          state = doc.getAsOpt[String]("state"),
          countryCode = doc
            .getAsOpt[String]("country_code")
            .getOrElse(
              throw new IllegalStateException(
                "address.country_code not found at database"
              )
            )
        )
      }
  }

  implicit object TKApiAddressBsonWriter
      extends BSONDocumentWriter[Address] {
    def writeTry(
        addressThriftVo: Address
    ): Try[BSONDocument] =
      Try {
        BSONDocument(
          "line1" -> addressThriftVo.line1,
          "city" -> addressThriftVo.city,
          "postal_code" -> addressThriftVo.postalCode,
          "state" -> addressThriftVo.state,
          "country_code" -> addressThriftVo.countryCode
        )
      }
  }

}