/
ExampleApp.scala
79 lines (68 loc) · 2.19 KB
/
ExampleApp.scala
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
/*
* Copyright 2015 Heiko Seeberger
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package de.heikoseeberger.akkahttpcirce
import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.marshalling.Marshal
import akka.http.scaladsl.model.{ HttpRequest, RequestEntity }
import akka.http.scaladsl.server.Directives
import akka.http.scaladsl.unmarshalling.Unmarshal
import akka.stream.scaladsl.Source
import scala.concurrent.duration._
import scala.io.StdIn
object ExampleApp {
private final case class Foo(bar: String)
def main(args: Array[String]): Unit = {
implicit val system = ActorSystem()
Http().newServerAt("127.0.0.1", 8000).bindFlow(route)
StdIn.readLine("Hit ENTER to exit")
system.terminate()
}
private def route(implicit sys: ActorSystem) = {
import Directives._
import FailFastCirceSupport._
import io.circe.generic.auto._
pathSingleSlash {
post {
entity(as[Foo]) { foo =>
complete {
foo
}
}
}
} ~ pathPrefix("stream") {
post {
entity(as[SourceOf[Foo]]) { fooSource: SourceOf[Foo] =>
import sys._
Marshal(Source.single(Foo("a"))).to[RequestEntity]
complete(fooSource.throttle(1, 2.seconds))
}
} ~ get {
pathEndOrSingleSlash {
complete(
Source(0 to 5)
.throttle(1, 1.seconds)
.map(i => Foo(s"bar-$i"))
)
} ~ pathPrefix("remote") {
onSuccess(Http().singleRequest(HttpRequest(uri = "http://localhost:8000/stream"))) {
response => complete(Unmarshal(response).to[SourceOf[Foo]])
}
}
}
}
}
}