From f9ac0adf5c3bcfcde03bd3ea2bc2471b0d0f99fe Mon Sep 17 00:00:00 2001 From: Jakob Odersky Date: Wed, 5 Jul 2017 19:02:13 -0700 Subject: Implement REST services for trial curation --- .../serialization/PlayJsonSupport.scala | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 src/main/scala/xyz/driver/pdsuicommon/serialization/PlayJsonSupport.scala (limited to 'src/main/scala/xyz/driver/pdsuicommon/serialization/PlayJsonSupport.scala') diff --git a/src/main/scala/xyz/driver/pdsuicommon/serialization/PlayJsonSupport.scala b/src/main/scala/xyz/driver/pdsuicommon/serialization/PlayJsonSupport.scala new file mode 100644 index 0000000..5158dab --- /dev/null +++ b/src/main/scala/xyz/driver/pdsuicommon/serialization/PlayJsonSupport.scala @@ -0,0 +1,34 @@ +package xyz.driver.pdsuicommon.serialization + +import akka.http.scaladsl.server.{RejectionError, ValidationRejection} +import akka.http.scaladsl.unmarshalling.Unmarshaller +import play.api.libs.json.{Reads, Writes} +import play.api.libs.json.Json +import akka.http.scaladsl.marshalling.ToEntityMarshaller +import akka.http.scaladsl.unmarshalling.FromEntityUnmarshaller +import akka.http.scaladsl.model.MediaTypes.`application/json` + +trait PlayJsonSupport { + import akka.http.scaladsl.marshalling.Marshaller + + implicit def playJsonUnmarshaller[A: Reads]: FromEntityUnmarshaller[A] = { + val reads = implicitly[Reads[A]] + Unmarshaller.stringUnmarshaller + .forContentTypes(`application/json`) + .map(Json.parse) + .map(reads.reads) + .map(_.recoverTotal { error => + throw RejectionError(ValidationRejection(s"Error reading JSON response as ${reads}.")) + }) + } + + implicit def playJsonMarshaller[A: Writes]: ToEntityMarshaller[A] = { + Marshaller + .stringMarshaller(`application/json`) + .compose(Json.prettyPrint) + .compose(implicitly[Writes[A]].writes) + } + +} + +object PlayJsonSupport extends PlayJsonSupport -- cgit v1.2.3