package io.hydrosphere.mist.master.interfaces
import scala.language.implicitConversions
import akka.http.scaladsl.marshalling.{ ToEntityMarshaller, Marshaller }
import akka.http.scaladsl.unmarshalling.{ FromEntityUnmarshaller, Unmarshaller }
import akka.http.scaladsl.model.{ MediaTypes, HttpCharsets }
import spray.json._
/**
* Allows parse json entity without Content-Type=application-json
* copied from akka.http.scaladsl.marshallers.sprayjson.SprayJsonSupport
*/
trait SprayJsonSupport {
implicit def sprayJsonUnmarshallerConverter[T](reader: RootJsonReader[T]): FromEntityUnmarshaller[T] =
sprayJsonUnmarshaller(reader)
implicit def sprayJsonUnmarshaller[T](implicit reader: RootJsonReader[T]): FromEntityUnmarshaller[T] =
sprayJsValueUnmarshaller.map(jsonReader[T].read)
implicit def sprayJsValueUnmarshaller: FromEntityUnmarshaller[JsValue] =
Unmarshaller.byteStringUnmarshaller.mapWithCharset { (data, charset) ⇒
val input =
if (charset == HttpCharsets.`UTF-8`) ParserInput(data.toArray)
else ParserInput(data.decodeString(charset.nioCharset.name)) // FIXME: identify charset by instance, not by name!
JsonParser(input)
}
implicit def sprayJsonMarshallerConverter[T](writer: RootJsonWriter[T])(implicit printer: JsonPrinter = PrettyPrinter): ToEntityMarshaller[T] =
sprayJsonMarshaller[T](writer, printer)
implicit def sprayJsonMarshaller[T](implicit writer: RootJsonWriter[T], printer: JsonPrinter = PrettyPrinter): ToEntityMarshaller[T] =
sprayJsValueMarshaller compose writer.write
implicit def sprayJsValueMarshaller(implicit printer: JsonPrinter = PrettyPrinter): ToEntityMarshaller[JsValue] =
Marshaller.StringMarshaller.wrap(MediaTypes.`application/json`)(printer)
}
object SprayJsonSupport extends SprayJsonSupport
