Scala Route类代码示例

//设置package包名称以及导入依赖的类
package com.pacbio.common.services

import scala.collection.mutable.ArrayBuffer
import spray.routing.{Route, RouteConcatenation}
import com.pacbio.common.models.PacBioComponentManifest
import com.pacbio.common.dependency.Singleton

import scala.collection.mutable

trait ServiceComposer extends RouteConcatenation with RouteProvider {
  val services = ArrayBuffer.empty[Singleton[PacBioService]]
  private val _manifests = mutable.Set.empty[PacBioComponentManifest]

  // Enable loading manifests that are "external" to the system (e.g., SL, SL UI)
  def addManifest(m: PacBioComponentManifest): PacBioComponentManifest = {
    _manifests.add(m)
    m
  }

  def addManifests(ms: Set[PacBioComponentManifest]): Set[PacBioComponentManifest] = {
    _manifests ++= ms
    ms
  }

  def addService(service: Singleton[PacBioService]) = {
    services += service
  }

  def routes(): Route = {
    services.map(_().prefixedRoutes).reduce(_ ~ _)
  }

  // This is a clumsy way to create a Set with 'id' being the
  // single component to compute equality
  def manifests(): Set[PacBioComponentManifest] = {
    (services.map(_().manifest).toSet ++ _manifests)
      .toList
      .map(x => (x.id, x))
      .toMap.values.toSet
  }

} 

//设置package包名称以及导入依赖的类
package org.kda.credit.service

import akka.actor.Actor
import spray.httpx.SprayJsonSupport
import spray.routing.{HttpService, Route}
import org.kda.credit.model._
import spray.httpx.SprayJsonSupport._

class CreditApprovalsServiceActor extends Actor with CreditApprovalsService {
  def actorRefFactory = {
    context
  }

  def receive = {
    runRoute( applicationRoute )
  }
}

trait CreditApprovalsService extends HttpService with SprayJsonSupport {

  import spray.http.MediaTypes._
  import org.kda.credit.model.{ApprovedApplication, PendingApplication, CreditLine, Customer}
  import org.kda.credit.service.CreditApprovalJSonProtocol._

  //@formatter:off
  val applicationRoute: Route =
    path( "credit-approvals" ) {
      get {
        complete {
          PendingApplication( "123" ) // you can POST this payload to the service to convert it into an approved application
        }
      } ~
      post {
        respondWithMediaType( `application/json` )
        entity( as[ PendingApplication ] ) { application =>
          detach() {
            // in Part 4 this code will be integrated with the rules engine to actually perform the business logic
            val customer = Customer( application.customerId, 400 )
            val credit = CreditLine( customer, BigDecimal( 5000 ) )
            complete {
              ApprovedApplication( customer.id, Some( credit ) )
            }
          }
        }
      }
    }
} 

//设置package包名称以及导入依赖的类
package eu.shiftforward.apso.spray

import akka.actor.ActorSystem
import akka.io.IO
import spray.can.Http
import spray.http.{ HttpHeader, HttpRequest, RemoteAddress, Uri }
import spray.http.HttpHeaders.{ `Remote-Address`, `X-Forwarded-For` }
import spray.routing.{ Directive1, RequestContext, Route }


trait ProxySupport extends ClientIPDirectives {

  private def sending(f: RequestContext => HttpRequest)(implicit system: ActorSystem): Route = {
    val transport = IO(Http)(system)
    ctx => transport.tell(f(ctx), ctx.responder)
  }

  private def getHeaders(ip: Option[RemoteAddress], headers: List[HttpHeader] = Nil) = {
    // filter `Host` header
    val hs = headers.filterNot(header => header.is("host"))
    // add `X-Forwarded-For` header
    ip.fold(hs)(addForwardedFor(_, hs))
  }

  private def addForwardedFor(ip: RemoteAddress, headers: List[HttpHeader]): List[HttpHeader] = {
    headers match {
      case Nil =>
        // No `X-Forwarded-For` found in headers, so just add the new one
        `X-Forwarded-For`(ip) :: Nil

      case `X-Forwarded-For`(ips) :: tail =>
        `X-Forwarded-For`(ips :+ ip) :: tail

      case notForwardedFor :: tail =>
        notForwardedFor :: addForwardedFor(ip, tail)
    }
  }

  private val optionalRemoteAddress: Directive1[Option[RemoteAddress]] =
    headerValuePF { case `Remote-Address`(address) => Some(address) } | provide(None)

  def proxyTo(uri: Uri)(implicit system: ActorSystem): Route = {
    optionalRemoteAddress { ip =>
      sending(ctx => ctx.request.copy(
        uri = uri,
        headers = getHeaders(ip, ctx.request.headers)))
    }
  }

  def proxyToUnmatchedPath(uri: Uri)(implicit system: ActorSystem): Route = {
    optionalRemoteAddress { ip =>
      sending { ctx =>
        ctx.request.copy(
          uri = uri.withPath(uri.path.++(ctx.unmatchedPath)).withQuery(ctx.request.uri.query),
          headers = getHeaders(ip, ctx.request.headers))
      }
    }
  }
} 

//设置package包名称以及导入依赖的类
package com.server

import com.services.StorageService

import akka.actor.ActorSystem
import com.support.CORSSupport
import spray.http.MediaTypes
import spray.routing.{Route, SimpleRoutingApp}

object SSServer extends App with SimpleRoutingApp with CORSSupport{


  implicit val actorSystem = ActorSystem()


  //Custom directive to replace the inclcusion of the stated return type header
  def getJson(route: Route) = get{
    respondWithMediaType(MediaTypes.`application/json`){
      route
    }
  }

  //Define Each route independently as lazy vals to keep code clean
  //Link the names of each route in the start server method

  lazy val helloRoute = get {
      cors{
        path("hello") {
          complete {
            "Welcome to the AWS Storage Service \n here are a list of the available routes:"
          }
        }
      }
  }
  
  lazy val store_pcs_processA = get {
      cors{
        path("storageServices" / "s3" / "processControllers" / "processA" / "withObject" / Segment / "andDestination" / Segment ) { (data, fileName) =>
          complete {
             StorageService.writeObjectToS3(data,fileName)
          }
        }
      }
  }
  
  
  

  startServer(interface = "localhost", port = 8084) {
    helloRoute~
    store_pcs_processA
  }

} 

//设置package包名称以及导入依赖的类
package com.cart.routing

import java.util.UUID

import org.scalatest.FlatSpec
import org.scalatest.Matchers

import com.cart.Cart
import com.cart.Carts
import com.cart.GetCarts
import com.cart.RestMessage

import akka.testkit.TestActorRef
import akka.testkit.TestProbe
import spray.routing.Route
import spray.testkit.ScalatestRouteTest


class RestRoutingSpecs extends FlatSpec with ScalatestRouteTest with Matchers {
  val getCartsService = TestProbe()
  
  def restRouting = TestActorRef(new RestRouting() {
    override def carts(message: RestMessage): Route =
      ctx => perRequest(ctx, getCartsService.ref, message)
  })
  
  "RestRouting" should "get Carts" in {
    val getCarts = Get("/carts") ~> restRouting.underlyingActor.route

    getCartsService.expectMsg(GetCarts())
    val uuid = UUID.randomUUID().toString()
    getCartsService.reply(Carts(Seq(Cart(uuid))))

    getCarts ~> check {
      responseAs[String] should equal(s"""{"carts":[{"id":"$uuid"}]}""")
    }
  }
} 

//设置package包名称以及导入依赖的类
package com.me.finalization

import akka.actor.{Actor, ActorRef}
import akka.io.IO
import akka.pattern.ask
import com.me.finalization.Domain.{Container, Junction}
import com.me.finalization.Messages.{Go, WhereShouldIGo}
import spray.can.Http
import spray.routing.{HttpServiceBase, Route}

import scala.concurrent.ExecutionContext.Implicits.global
import scala.concurrent.duration._


class RestService(nextActorRef: ActorRef, exposedPort: Int) extends Actor with RestInterface {

  implicit val system = context.system

  override def decider: ActorRef = nextActorRef

  def receive = runRoute(route)
  IO(Http) ! Http.Bind(self, interface = "0.0.0.0", port = exposedPort)
}

trait RestInterface extends HttpServiceBase {

  import spray.httpx.SprayJsonSupport._

  val route: Route = {
    path("junctions" / IntNumber / "decisionForContainer" / IntNumber) { (junctionId, containerId) =>
      get {
        complete {
          //println(s"Request for junction $junctionId and container $containerId")
          val junction = Junction(junctionId)
          val container = Container(containerId)
          //val decision = Decisions.whereShouldContainerGo(junction, container)
          decider.ask(WhereShouldIGo(junction, container))(5 seconds).mapTo[Go]
        }
      }
    }
  }

  def decider: ActorRef = ???
} 

//设置package包名称以及导入依赖的类
package com.example.spray

import scala.util.control.NonFatal
import akka.actor.{Actor, ActorLogging, Props}
import spray.routing.{ExceptionHandler, HttpService, RejectionHandler, Route, RouteConcatenation, RoutingSettings}
import spray.util.LoggingContext
import spray.http.StatusCodes.InternalServerError
import com.example.spray.add.AddService
import com.example.spray.hello.HelloService
import com.example.spray.swagger.SwaggerDocService


class RoutedHttpService(route: Route) extends Actor with HttpService with ActorLogging {

  implicit def actorRefFactory = context

  implicit val handler = ExceptionHandler {
    case NonFatal(ErrorResponseException(statusCode, entity)) => ctx =>
      ctx.complete((statusCode, entity))

    case NonFatal(e) => ctx => {
      log.error(e, InternalServerError.defaultMessage)
      ctx.complete(InternalServerError)
    }
  }


  def receive: Receive =
    runRoute(route)(handler, RejectionHandler.Default, context, RoutingSettings.default, LoggingContext.fromActorRefFactory)

} 

//设置package包名称以及导入依赖的类
package org.xiaon
package hashservice
package http

import akka.actor.{ ActorRef, Props, ActorLogging }

import spray.routing.{ RequestContext, Route, HttpService, HttpServiceActor }
import spray.http.StatusCodes
import spray.httpx.SprayJsonSupport._

import domain.SimpleJob
import processor.ProcessingActor

class ApiActor(settings: Settings) extends HttpServiceActor with HttpService with ActorLogging {
  import ApiActor._
  import ProcessingActor._

  private[http] val timeout = settings.Timeout

  def receive = runRoute(route)

  private[hashservice] def route: Route = {
    path(Ping) {
      get {
        complete(StatusCodes.OK -> "pong")
      }
    } ~
      pathPrefix(Api) {
        path(Service) {
          post {
            entity(as[SimpleJob]) { job =>
              requestContext =>
                val processor = createProcessor(requestContext)
                processor ! job
            }
          }
        }
      }
  }

  private[hashservice] def createProcessor(ctx: RequestContext): ActorRef =
    context.actorOf(Props(new ProcessingActor(timeout, resultCallback = completeJobRequest(ctx))))

  private[hashservice] def completeJobRequest(ctx: RequestContext)(result: JobResult): Unit = {
    result match {
      case Right(job)  => ctx.complete(StatusCodes.Accepted -> job)

      case Left(error) => ctx.complete(StatusCodes.ServiceUnavailable -> error)
    }
  }
}

object ApiActor {
  private[hashservice] val Ping = "ping"
  private[hashservice] val Api = "api"
  private[hashservice] val Service = "service"
} 

//设置package包名称以及导入依赖的类
package com.server

import com.services.StorageService

import akka.actor.ActorSystem
import com.support.CORSSupport
import spray.http.MediaTypes
import spray.routing.{Route, SimpleRoutingApp}

object SSServer extends App with SimpleRoutingApp with CORSSupport{


  implicit val actorSystem = ActorSystem()


  //Custom directive to replace the inclcusion of the stated return type header
  def getJson(route: Route) = get{
    respondWithMediaType(MediaTypes.`application/json`){
      route
    }
  }

  //I have defined each route independently as lazy vals to keep the code clean

  //Endpoint: List avalable endpoints
  lazy val helloRoute = get {
      cors{
        path("hello") {
          complete {
            "Welcome to the MicroDG AWS-Stroage-Service" +
            "\n Routes:" +
            "\n Store output fro, Process A: storageServices/s3/processControllers/processA/withObject/{json_object}/andDestination/{url}"
          }
        }
      }
  }
  
  //Endpoint: Write output from Process A to an S3 bucket
  lazy val store_pcs_processA = get {
      cors{
        path("storageServices" / "s3" / "processControllers" / "processA" / "withObject" / Segment / "andDestination" / Segment ) { (data, fileName) =>
          complete {
             StorageService.writeObjectToS3(data,fileName)
          }
        }
      }
  }
  
  startServer(interface = "localhost", port = 8084) {
    helloRoute~
    store_pcs_processA
  }

} 

//设置package包名称以及导入依赖的类
package org.zachary.demo

import akka.actor.ActorSystem
import akka.stream.ActorMaterializer
import spray.httpx.SprayJsonSupport._
import spray.json.DefaultJsonProtocol._
import spray.json._
import spray.routing.{HttpServiceActor, Route}

class SprayEndpoints(actorSystem: ActorSystem, am: ActorMaterializer) extends HttpServiceActor {
  implicit val printer = CompactPrinter
  implicit val orderFormat = jsonFormat2(Order.apply)

  implicit val actorMaterializer = am
  implicit val ec = actorSystem.dispatcher

  def receive = runRoute(routes)

  lazy val routes: Route = blockingGet

  val blockingGet: Route = path("blocking" / IntNumber)(i => {
    get {
      complete {
        Order.source(i)
          .runFold(Seq.empty[Order])(_ :+ _)
      }
    }
  })

}