I'm writing Akka-HTTP based REST API. As I'm new to Akka and Scala, I'm not sure what could be the best way of organize code in my project. I will have approx. 7 different entities with basic CRUD. Which means I will have over 25 routes in the API. I would like to keep routes grouped based on the entity they are logically associated with.
If the HTTP method is GET, the request will be forwarded to the getUser() route. If the user does not exist, Akka will return HTTP status 404 (Not Found). If the method is nor a POST nor a GET, Akka will return HTTP status 405 (Method Not Allowed). For more information about how to define HTTP routes with Akka, have a look at the Akka docs.
Note, that we don't need to reimplement those ToResponseMarshallers which are already present in akka-http, we can use them implicitly. How very nice! Now we only need to put the Marshallable constraint on our F[_] and bring the implicit function into scope, then it clicks.
2. This might be a bit of a noob question because I'm only starting out with play. What is the equivalent of authenticated routes which we can find in akka-http? Below is an example of an authenticated route using akka-http. def oauth2Authenticator (credentials: Credentials): Future [Option [ScalaFirebaseToken]] = { credentials match { case p ...
We simply construct a raw HttpRequest object and pass it into the route using the ~> testing operator provided by ScalatestRouteTest. Next we do the same and pipe the result of that route into a check block, so the full syntax is: request ~> route ~> check { }.
Taking this approach is quite helpful when starting with Akka HTTP. Let's start with our route to listing all the tutorials. Create a new file under src/test/scala (if the folders don't exist, create them) named RouterSpec: …
What is Authentication:- Authentication is the process of establishing a known identity for the user, whereby 'identity' is defined in the context of the application. This may be done with a username/password combination, a cookie, a pre-defined IP or some other mechanism. After authentication, the system believes that it knows who the user is.
Akka HTTP's routing DSL is at the center of most Akka HTTP-based servers. It's where the incoming requests diverge into the different parts of the implemented services. Keeping all routing in one big structure will easily become hard to grasp and maintain. This page gives a few hints for how you may want to break down the routing logic.
,HTTPWeb API,,Redis 。,Web API,Akka HTTP, for-yield(flatMap),flatMapAkka HTTP。
object akkahttpmicroservice extends app with service { override implicit val system = actorsystem () override implicit val executor = system.dispatcher override implicit val materializer = actormaterializer () override val config = configfactory.load () override val logger = logging (system, getclass) http ().bindandhandle (routes, …
Akka HttpWeb,,。. Akka HtppAkka Actor,Actor（）,Actor。. demosbt, …
Akka Http: Modern, fast, asynchronous, streaming-first HTTP server and client. Kalix - High-performance microservices and APIs with no operations required. Learn More Meet Akka Insights! A stand alone telemetry & observability offering. Learn More. Akka HTTP.
Route TestKit. One of Akka HTTP's design goals is good testability of the created services. For services built with the Routing DSL Akka HTTP provides a dedicated testkit that makes efficient testing of route logic easy and convenient. This "route test DSL" is made available with the akka-http-testkit module.
You need an appropriate JSON marshaler for your case class. The details are going to depend on the JSON library you are using, so check out the Akka Http documentation for this. If you are still having problems it is better to ask a separate question rather than trying to deal with it …
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The Akka HTTP example for Scala is a zipped project that includes a distribution of the sbt build tool. Download and unzip the example as follows: Download the project zip file. Extract the zip file to a convenient location: On Linux and …
github: akka_http_demo. . . 1329. AKKA,。. Akka,,。. akka . 11-20. akka …
Reading Time: 3 minutes. Akka is a free and open-source toolkit and runtime simplifying the construction of concurrent and distributed applications on the JVM. It is built by Lightbend. Akka supports multiple programming models for concurrency, but it prefers actor-based concurrency. One can integrate this library into any JVM support language.
One of the solution I've found is to use a: import akka.http.scaladsl.server.directives.DebuggingDirectives val clientRouteLogged = DebuggingDirectives.logRequestResult ("Client ReST", Logging.InfoLevel) (clientRoute) Http ().bindAndHandle (clientRouteLogged, interface, port) Which can easily log the request and …
There are many ways to mock this method. I have used Mockito, a mocking framework for unit testing, to mock this method while testing my post route. Using Mockito is very easy. We just need to ...
March 7, 2016. Daniela Sfregola. In previous articles we have discussed how to use Spray to build REST APIs. Since Akka 2.4, Spray is no longer supported and it is replaced by Akka Http. This article will introduce Akka Http, the new shiny toy from the Akka Team, and provide a tutorial on how it can be used to create a simple REST API.
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In a console, change directories to the top level of the unzipped project. For example, if you used the default project name, akka-http-quickstart-java, and extracted the project to your root directory, from the root directory, enter: cd …
Akka-http。. Akka-httpTcpHttp。. Http：,。. ：HttpRequest, …
In other words, unit testing in Akka HTTP is simply "executing" the routes by passing in an HttpResponse to the route, and later inspecting what HttpResponse (or rejection if the request could not be handled) it resulted in. All this in-memory, without having to start a real HTTP server - which gives us supreme speed and turn-over time when ...
Akka Http: Modern, fast, asynchronous, streaming-first HTTP server and client. Kalix - High-performance microservices and APIs with no operations required. …
Note that the final type of that will likely be something like Future[User], or in tests maybe Try[User] or Id[User], all of which should be totally marshalled out of the box.Had we used a concrete type instead of F[_] it would have worked. But it is advisable to avoid that in the hope that low-level details like this will not pollute our code where it is not necessary.
I found this one post that says "In spray/akka-http some headers are treated specially". Apparently, content type is one of those and hence can't be set as in my code above. One has to instead create an HttpEntity with the desired content type and response body. With that knowledge, when I changed the get directive as follows, it worked.
scalaakkahttp service,sprayakka,akka http,web serviceweb。sbtname := "MockServer"version := "0.1"scalaVersion := "2.12.3"libraryDepende
The Akka HTTP modules implement a full server- and client-side HTTP stack on top of akka-actor and akka-stream. It's not a web-framework but rather a more general toolkit for providing and consuming HTTP-based services. While …