Hi,
I'm using Akka Http and got working an example project. I added a handler
for a JSON POST. I can parse the payload to JSON but the print statement
after that doesn't show in the console and I don't understand why. This is
my (experimental) code:
def asyncHandler(request: HttpRequest): Future[HttpResponse] = {
request match {
case HttpRequest(POST, Uri.Path("/listItem"), _, _, _) => {
val entity = request.entity
val foo: Future[String] = Unmarshal(request.entity).to[String]
println("received POST, foo: " + foo)
foo.map { str =>
println("in map...") // this shows in the console
val json = str.parseJson
println("json: " + json) // this doesn't show
}
Thread.sleep(1000)
Future(HttpResponse(entity = "")
}
...
}
Why is the second print statement in map never shown? I thought maybe it
could be a timing issue as this is is future closure so I added the
Thread.sleep but this doesn't make sense. My Json payload is also very
small.
Additionally, is this the correct way to parse JSON? I found there are
several ways, here I'm using the spray library, but there's also play
framework Json parser... Is there a way to get directly a json object from
the entity instead of parsing first to a string?
Thanks in advance, I'm new to Akka and Spray and also don't have a lot of
experience with Scala so I apologise for my ignorance.
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