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• 0.9.2
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• implicits.scala

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hammock.akka.implicits.scala Maven / Gradle / Ivy

package hammock
package akka

import _root_.akka.http.scaladsl.marshalling._
import _root_.akka.http.scaladsl.unmarshalling._
import _root_.akka.http.scaladsl.model.HttpEntity

object implicits {
  implicit def encoderToEntityMarshaller[A: Encoder]: ToEntityMarshaller[A] = Marshaller.strict { a =>
    Encoder[A].encode(a) match {
      case Entity.StringEntity(body, _)    => Marshalling.Opaque(() => HttpEntity(body))
      case Entity.ByteArrayEntity(body, _) => Marshalling.Opaque(() => HttpEntity(body))
      case Entity.EmptyEntity              => Marshalling.Opaque(() => HttpEntity.Empty)
    }
  }

  implicit def decoderFromEntityUnmarshaller[A: Decoder]: FromEntityUnmarshaller[A] =
    PredefinedFromEntityUnmarshallers.stringUnmarshaller
      .map(str => Decoder[A].decode(Entity.StringEntity(str)))
      .map(_.fold(throw _, identity))
}