Relates to the spray-json Scala library.
spray-json is a lightweight, clean and simple json implementation in scala.
Questions tagged [spray-json]
339 questions
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1 answer
Why does spray-json apply this hierarchy way in RootJsonFormat?
Recently, I am reading the source code of Spray-json. I noted that the following hierarchy relation in JsonFormat.scala, please see below code snippet
/**
* A special JsonFormat signaling that the format produces a legal JSON root
* object, i.e.…
xyz
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Implicit JsonWriter for trait not working
I have class as below
trait RiskCheckStatusCode {
def code: String
def isSuccess: Boolean
}
object RiskCheckStatusCode {
val SUCCESS = SuccessRiskCheckStatusCode("1.1.1")
val FAIL = FailRiskCheckStatusCode("2.2.2")
case class…
mForest
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Spray-Json serialize interface type
using spray-json how can I serialize following class
case class Vegetable(name: String, color: String, seller:ISeller)
here ISeller is a Java Interface. I am new to spray-json an not sure how this can be serialized and deserialized.
I tried this…
Sandy
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spray json: cannot convert to Array[myClass]
I am learning scala/spray json in my project and trying to convert an input json to an array of scala objects , but thats throwing the below error:
Error:(52, 43) not enough arguments for method convertTo: (implicit evidence$1:…
Gary
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Spray-JSON in an Apache Zeppelin Notebook
I am using Zeppelin notebooks to write a prototype for a Spark Streaming application. It receives small JSON messages via an event bus and I need to parse these in a (preferably) distributed manner. I chose spray-json to deserialize the individual…
Vinno97
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1 answer
spray json nested class unable to deserialize
Unable to deserialize this using spray . I am unable to understand why the defaultJson protocol does not work. Please note I am new to scala and spray.
case class Job(param1:Boolean,param2:String,joblist:List[JobList])
case class…
Siva
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How to iterate and extract values from a list of objects
I am new to Scala and Spray. I have an input JSON that basically maps to these case classes. I have managed to get the json parsed and this the output I am seeing:
case class First(param1:Boolean,param2:List[Parameter])
case class…
Siva
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Dynamic Json Keys in Scala
I'm new to scala (from python) and I'm trying to create a Json object that has dynamic keys. I would like to use some starting number as the top-level key and then combinations involving that number as second-level keys.
From reading the play-json…
Jason Wolosonovich
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spray-json deserialization issue
case class Box(id: String, container: Container)
case class Container(id: String, boxes: List[Box])
object CustomProtocol extends DefaultJsonProtocol {
implicit object BoxFormat extends RootJsonFormat[Box] {
override def read(json:…
qwe rty
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Spray Http Post request
Here is the code which I am trying to create a Post request through the spray http
package org.exadatum.xstream.service.http
import akka.actor.ActorSystem
import akka.util.Timeout
import spray.http._
import spray.httpx.SprayJsonSupport
import…
Vishal
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1 answer
How to edit existing JSON object with sprayJSON
I am using akka with spray json support for which I need to edit value in the recieved json.
import akka.http.scaladsl.server.Directives
import akka.http.scaladsl.marshallers.sprayjson.SprayJsonSupport
import spray.json._
final case class…
Vishal
- 1,442
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- 48
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1 answer
error - Spray-http: not found: type HttpBody
I am using till now spray - 1.1-M7 but now I changed to 1.3.3. There is HttpBody in 1.1-M7 but that was not exist in 1.3.3 version. So what is the alternative I have to do in my code.
My code looks like this: What do I have to do to get:
implicit…
Sun
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How do I tell spray-json on Akka HTTP to "assume application/json"?
Using spray-json on an Akka HTTP server; how can I "assume Content-type: application/json" for requests when not supplied?
Issue
curl localhost:12345/request -d'{"sample":"json"}'
doesn't work unless I add
-H "Content-type:…
mlg
- 1,447
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"Expected List as JsArray" when posting to an akka-http server
I'm attempting to create a slight variation of the Orders/Items application here:
https://github.com/akka/akka-http/blob/master/docs/src/test/scala/docs/http/scaladsl/SprayJsonExampleSpec.scala#L51
I'm connecting to the server using httpie, the…
FallingSkies
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1 answer
Json deserialization of Scala case objects with spray-json
I am trying to write a custom JsonReader using spray-json for the following domain model:
sealed trait OrderType
object OrderType {
case object MARKET extends OrderType
case object LIMIT extends OrderType
case object STOP extends OrderType
…
msilb
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