Relates to the spray-json Scala library.
spray-json is a lightweight, clean and simple json implementation in scala.
Questions tagged [spray-json]
327 questions
0
votes
2 answers
Extract Json from Spray POST as string, not by marshaling to entity
There is an existing question that has much of what I'm after:
Extracting Raw JSON as String inside a Spray POST route
But it stops short without explaining how to get the actual Json string representation out of the Directive[String]. I'm trying to…
Richard Walker
- 157
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- 10
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votes
1 answer
Can't resolve symbol respondWithMediaType - Scala/Spray/Json
For some reason, my code wont resolve this symbol "respondWithMediaType" despite having all necessary imports. I'm fairly new to both spray and scala - so perhaps missing something obvious?
import spray.http.MediaTypes._
import spray.json._
…
Raaj Ashtaputre
- 51
- 1
- 5
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1 answer
What is a current status of spray-json version 2.0?
I cloned spray json project, but see that Spray 2.0 branch origin/feature/2.0.0 last commit on November 2012. Does it mean that spray-json 2.0.0 has been stopped? What it status/plans for today?
Cherry
- 25,428
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2 answers
Marshalling list of case class objects
I want to return list of json objects based on my case class objects.
Following is my spray router, which returns list of 'Appointment' objects.
trait GatewayService extends HttpService with SLF4JLogging {
import…
eranga
- 487
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- 14
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1 answer
Produce an error with scala and spray
I try to create simple CRUD application with scala and spray-routing. I have the following route:
override def receive = runRoute {
path("entities" / LongNumber) { id =>
get {
produce(instanceOf[MyEntity]) {
func => ctx…
pkozlov
- 687
- 5
- 17
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votes
1 answer
Marshalling of `Map`s with Spray
I have been trying to marshal a bunch of Maps but I get error. Here is the definitions:
import spray.httpx.SprayJsonSupport._
import spray.json.DefaultJsonProtocol._
import scala.collection.JavaConverters._
case class SchemaMap( schemaMap:…
Daniel
- 5,111
- 6
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1 answer
Serialization and Deserialization of Subclasses with spray-json
assume I have one base class B and two subclasses S1 and S2.
I want serialize and deserialize class S1 and S2.
Therefore I have two questions:
Is it possible two write a JsonFormat for class B and use it in class S1 and S2 for serialization?
I want…
hami
- 423
- 5
- 13
0
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0 answers
sending parameters as JSON in POST body using spray
Ok this is really bugging me.I have implemented a REST api using spray and scala,akka. I have successfully implemented spray get, post routes to query mysql database and give the json output.I am able to send the parameters within the post body but…
PRE
- 13
- 6
0
votes
1 answer
Some(null) spray json deserialization error
I'm getting a http response with the following json object
{
transaction_hash: "fbb36255453bf8ff465d9ca5c427bd0e36cc799fda090cbcd62113f1f3e97cb4",
output_index: 0,
value: 2000000,
asset_id: null,
asset_quantity: null,
addresses:…
Chris Stewart
- 1,554
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- 58
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1 answer
Spray JSON: How to get implicitly declared objects into read and write methods?
I am currently struggling with spray-json writing a protocol for my data model. For deserialization of JSON data to my data transfer objects, a DAO has to be contacted to check if an appropriate object exists, otherwise a DeserializationException…
rabejens
- 6,290
- 8
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- 77
0
votes
1 answer
Change a body Field name in a Post in Spray
I'm thinking to replace a field called "type" in a JSON in a POST with somethig like this
def rawJson = extract { _.request.entity.asString}
post {
rawJson { json =>
val new json = println(json.replace("\"type\":",…
JoseM LM
- 333
- 1
- 7
0
votes
1 answer
How to convert xml array to json data in scala
I have the xml data in an array as below, i.e, each line corresponds to a single element in array
Gambardella, Matthew
XML Developer's Guide
…
Vijay Innamuri
- 3,912
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- 65
0
votes
1 answer
Cryptic Spray Json error message
I'm receiving the following error message when trying to parse some json:
[info] The future returned an exception of type: spray.httpx.PipelineException, with message:
Vector("eba760a81b177051b0520418b4e10596955adb98196c15367a2467ab66a19b5c",…
Chris Stewart
- 1,554
- 1
- 27
- 58
0
votes
2 answers
ClassNotFoundException: spray.json.JsonFormat
I'm trying to use spray-json.
The following test code throws ClassNotFoundException: spray.json.JsonFormat:
import spray.json._
import DefaultJsonProtocol._
object App {
def main(args: Array[String]) = {
val ast = List(1, 2, 3).toJson
…
Antoine
- 1,601
- 14
- 27
0
votes
0 answers
Why does Spray error "could not find implicit value for parameter marshaller"?
I use a spray-json for convert some case class into json, but i have a troubles with convert List to json:
case class Foo(id: Int)
object FooJsonSupport extends DefaultJsonProtocol with SprayJsonSupport {
implicit val fooFormats =…
lito
- 969
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