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spray-json-refined

Sonatype

A library that integrates spray-json and refined

Given instance of JsonFormat[T] this library derives instance of JsonFormat[T Refined P]

Installation

Supported Scala versions: 2.13, 2.12

Add the following to your build.sbt:

libraryDependencies += "io.github.typeness" %% "spray-json-refined" % "<version>"

Usage

Read from JSON

import eu.timepit.refined.api.Refined
import eu.timepit.refined.auto._
import eu.timepit.refined._
import eu.timepit.refined.collection.NonEmpty
import spray.json.DefaultJsonProtocol._
import spray.json._
import io.github.typeness.spray.json.refined._

case class Id(value: String Refined NonEmpty)
implicit val idFormat: RootJsonFormat[Id] = jsonFormat1(Id.apply)
assert(JsObject("value" -> JsString("1234")).convertTo[Id] == Id("1234"))

Write to JSON

import eu.timepit.refined.api.Refined
import eu.timepit.refined.auto._
import eu.timepit.refined._
import eu.timepit.refined.collection.NonEmpty
import spray.json.DefaultJsonProtocol._
import spray.json._
import io.github.typeness.spray.json.refined._

case class Id(value: String Refined NonEmpty)
implicit val idFormat: RootJsonFormat[Id] = jsonFormat1(Id.apply)
val id = "1234"
assert(refineV[NonEmpty](id).map(Id).toJson == JsObject("value" -> JsString(id)))

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spray-json instances for refined library

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