Scala Http类代码示例

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

import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.stream.ActorMaterializer
import akka.util.Timeout

import scala.concurrent.ExecutionContextExecutor
import scala.concurrent.duration._

object Boot extends VoteService {

  implicit val system = ActorSystem("user-system")
  implicit val timeout: Timeout = Timeout(10.seconds)
  implicit val executionContext: ExecutionContextExecutor = system.dispatcher
  implicit val materializer = ActorMaterializer()

  def main(args: Array[String]) {
    val port = 5000
    val bindingFuture = Http().bindAndHandle(routes, "0.0.0.0", port)
    println(s"Server online at http://localhost:$port/")
//    bindingFuture
//      .onComplete(e => {
//        println(s"Binding failure, terminating: ${e}")
//        system.terminate()
//      }) // and shutdown when done
  }
} 

//设置package包名称以及导入依赖的类
import akka.actor.ActorSystem
import akka.event.Logging
import akka.event.Logging.InfoLevel
import akka.http.scaladsl.Http
import akka.http.scaladsl.server.Directives._
import akka.stream.ActorMaterializer
import com.google.inject.Guice
import service.documents.{DocumentService, DocumentServiceModule}
import service.health._

object Main extends App with HealthRoutes {
  
  implicit val system = ActorSystem()
  implicit val materializer = ActorMaterializer()
  implicit val ec = system.dispatcher 

  val settings = Settings(system)

  val logger = Logging(system, getClass)

  private val injector = Guice.createInjector(DocumentServiceModule)
  private val docService = injector.getInstance(classOf[DocumentService])
  
  val routes = logRequestResult("", InfoLevel)(docService.docRoutes ~ healthRoutes)

  Http().bindAndHandle(routes, settings.Http.interface, settings.Http.port) map { binding =>
    logger.info(s"Server started on port {}", binding.localAddress.getPort)
  } recoverWith { case _ => system.terminate() }
} 

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

import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.model.{HttpRequest, HttpResponse}
import akka.http.scaladsl.unmarshalling.Unmarshal
import akka.stream.ActorMaterializer
import com.typesafe.config.ConfigFactory
import scala.concurrent.{ExecutionContext, Future}

class StatisticDataFetcher(implicit ec: ExecutionContext, system: ActorSystem, materializer: ActorMaterializer) extends AutoMarshaller {

  val statisticsServiceUrl = {
    val config = ConfigFactory.load()
    config.getString("statisticsServiceUrl")
  }

  def getStatistics(): Future[List[StatisticData]] = {
    implicit val serialization = this.serialization
    implicit val formats = this.formats

    val responseFuture: Future[HttpResponse] =
      Http(system).singleRequest(HttpRequest(uri = statisticsServiceUrl))

    responseFuture flatMap  { response =>
      Unmarshal(response.entity).to[StatisticsResponse] map { statisticsResponse =>
        statisticsResponse.query.results.quote
      }
    }
  }
} 

//设置package包名称以及导入依赖的类
package com.saleass.app.web

import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.model._
import akka.http.scaladsl.server.Directives._
import akka.stream.ActorMaterializer
import scala.io.StdIn

object Boot extends App {
  implicit val system = ActorSystem("saleass")
  implicit val mat = ActorMaterializer()
  implicit val ec = system.dispatcher

  val route = path("hello") {
    get {
      complete(HttpEntity(ContentTypes.`text/html(UTF-8)`, "<h1>Damn you av!"))
    }
  }

  val httpBindFuture = Http().bindAndHandle(route, "localhost", 8080)
  StdIn.readLine()
  httpBindFuture.flatMap(_.unbind()).onComplete(_ => system.terminate())
} 

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

import akka.actor.{ActorRef, ActorSystem}
import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.model._
import akka.stream.ActorMaterializer
import akka.util.Timeout
import com.typesafe.config.Config
import org.freetrm.eventstore.utils.Log
import org.freetrm.eventstore.{EventSourceReader, EventSourceWriter}
import scaldi.Module

import scala.concurrent.Future
import scala.concurrent.duration._


case class Request(client: ActorRef, req: HttpRequest)

class WebService extends Module with Log {
  implicit lazy val system = inject[ActorSystem]
  implicit lazy val mat = ActorMaterializer()

  def start(): Future[ServerBinding] = {

    val conf = inject[Config]

    implicit val timeout = Timeout(5.seconds)
    val interface = conf.getString("www-service.interface")
    val port = conf.getInt("www-service.port")

    log.info(s"Starting http server on $interface:$port")
    
    Http().bindAndHandle(service.flow, interface, port)
  }

  def stop() {}

  def service: EventStoreHttpServer = {
    implicit val system = inject[ActorSystem]
    val conf = inject[Config]

    val cookie = conf.getString("www-service.cookie")
    new EventStoreHttpServer(
      inject[EventSourceWriter],
      inject[EventSourceReader], 
      cookie)
  }
} 

//设置package包名称以及导入依赖的类
import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.model._
import akka.http.scaladsl.server.Directives._
import akka.stream.ActorMaterializer
import scala.io.StdIn

object WebServer {
  def main(args: Array[String]) {

    implicit val system = ActorSystem("my-system")
    implicit val materializer = ActorMaterializer()
    implicit val executionContext = system.dispatcher

    val route =
      path("hello") {
        get {
          complete(HttpEntity(ContentTypes.`text/html(UTF-8)`, "<h1>Say hello to akka-http</h1>"))
        }
      }

    val bindingFuture = Http().bindAndHandle(route, "0.0.0.0", 8080)

    println(s"Server online at http://localhost:8080/\nPress RETURN to stop...")
    StdIn.readLine() // let it run until user presses return
    bindingFuture
      .flatMap(_.unbind()) // trigger unbinding from the port
      .onComplete(_ => system.terminate()) // and shutdown when done
  }
} 

//设置package包名称以及导入依赖的类
import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.server.Directives._

import akka.http.documenteddsl.documentation._
import akka.stream.ActorMaterializer

import scala.concurrent.Future

object ExampleMain extends App {
  implicit val system = ActorSystem("my-system")
  implicit val materializer = ActorMaterializer()
  implicit val ec = system.dispatcher

  val routes = {
    val apiRoutes = ExampleRoutes.route
    val documentation = apiRoutes.selfDescribe(Documentation())
    val documentationRoute = pathPrefix("api.json") {
      DocumentationRoutes(documentation)
    }

    apiRoutes ~ documentationRoute
  }

  for {
    port  <- Http().bindAndHandle(routes, "localhost", 8080)
    _     <- Future {
      println(
        s"""Example App is available at http://localhost:8080
           |
           |You can try ExampleResource at
           |  GET     http://localhost:8080/resources
           |  GET     http://localhost:8080/resources/x
           |  POST    http://localhost:8080/resources   {"name": "new resource"}
           |  PUT     http://localhost:8080/resources/x {"name": "updated name"}
           |  DELETE  http://localhost:8080/resources/x
           |
           |Api Documentation (Json) is available at
           |  OPTIONS http://localhost:8080/api.json   // api toc
           |  GET     http://localhost:8080/api.json   // full api
           |  GET     http://localhost:8080/api.json/x // specified api route
           |
           |Press RETURN to stop...
         """.stripMargin)
      io.StdIn.readLine()
    }
    _     <- port.unbind()
  } { system.terminate() }

} 

//设置package包名称以及导入依赖的类
package service.a.app

import scala.concurrent.ExecutionContext
import scala.io.StdIn

import akka.http.scaladsl.Http
import akka.http.scaladsl.marshallers.xml.ScalaXmlSupport.defaultNodeSeqMarshaller
import akka.http.scaladsl.marshalling.ToResponseMarshallable.apply
import akka.http.scaladsl.server.Directive.addByNameNullaryApply
import akka.http.scaladsl.server.Directives._
import akka.http.scaladsl.server.RouteResult.route2HandlerFlow
import akka.stream.ActorMaterializer
import service.a.core.ACoreBooted


object AService extends App with ACoreBooted with AConfig {
  
  protected implicit val executor: ExecutionContext = system.dispatcher
  protected implicit val materializer: ActorMaterializer = ActorMaterializer()

  val route = 
    path("hello") {
      get {
        complete {
          <h1>Say hello to akka-http</h1>
        }
      }
    } ~
    path("dude") {
      get {
        complete {
          <h1>Say hello to dude</h1>
        }
      }
    }
  
  val bindingFuture = Http().bindAndHandle(route, "localhost", port.toInt)
  
  println(s"Server online at http://localhost:11011/\nPress RETURN to stop...")
  StdIn.readLine()
  bindingFuture
    .flatMap(_.unbind())
    .onComplete { _ => system.terminate() }

} 

//设置package包名称以及导入依赖的类
package org.goingok.httpServer

import akka.http.scaladsl.Http
import org.goingok.BuildInfo
import org.goingok.data.persistence.db.DatabaseOps

import scala.util.{Failure, Success}




object Server extends GoingOkAPI {
  import org.goingok.GoingOkContext._

  var dbOk = false

  def startServer(address:String, port:Int) = {
    log.info("->> STARTING {} - version {} <<-",BuildInfo.name,BuildInfo.version)
    log.info("Connecting to DB server")
    connectDb
    log.info("Starting http server at {}:{}",address,port)
    Http().bindAndHandle(routes,address,port)
  }

  def connectDb: Unit = {
    DatabaseOps.version.onComplete {
      case Success(result:String) => {
        dbOk = true
        log.info("Current version is: "+result)
        // Create tables that don't exist
        DatabaseOps.checkAndCreateTables()
        // Get the number of rows for all tables
        val tableRows = DatabaseOps.tableSizes()
        if(tableRows.isLeft) tableRows.left.map(i => log.info("Database tables exist: {}",i))
        else log.error("There was a problem with accessing the database tables")
      }
      case Failure(e:Exception) => log.error("Could not get version from db: "+e.getMessage)
      case _ => log.error("There was a problem getting the version from the database")
    }
  }
} 

//设置package包名称以及导入依赖的类
package com.scalaio.http.client.actor

import akka.actor.{Actor, ActorLogging, ActorRef, Props}
import akka.http.scaladsl.Http
import akka.http.scaladsl.model.HttpMethods._
import akka.http.scaladsl.model._
import akka.stream.{ActorMaterializer, ActorMaterializerSettings}
import akka.util.{ByteString, Timeout}
import play.api.libs.json.Json

import scala.concurrent.Future
import scala.concurrent.duration._

class HttpClientAsActor(notifier: ActorRef) extends Actor with ActorLogging {

  import akka.pattern.pipe
  import context.dispatcher
  implicit val timeout = Timeout(5 seconds)
  implicit val materializer = ActorMaterializer(ActorMaterializerSettings(context.system))

  val http = Http(context.system)

  override def preStart() = {
    http
      .singleRequest(HttpRequest(method = GET, uri = "https://jsonplaceholder.typicode.com/posts/1"))
      .pipeTo(self)
  }

  def receive = {
    case HttpResponse(StatusCodes.OK, headers, entity, _) =>
      val response: Future[ByteString] = entity.dataBytes.runFold(ByteString(""))(_ ++ _)
      log.info(s"got response $headers $entity")
      response pipeTo self
      context become handlingMessage

    case [email protected](code, _, _, _) =>
      log.warning("Request failed, response code: " + code)
      resp.discardEntityBytes()
  }

  def handlingMessage: Receive = {
    case content: ByteString =>
      log.info("Success was OK: " + content)
      val contentAsString = (Json.parse(content.utf8String) \ "title").as[String]
      notifier ! contentAsString
      context become receive
  }

}

object HttpClientAsActor {

  def props(notifier: ActorRef) = Props(classOf[HttpClientAsActor], notifier)

} 

//设置package包名称以及导入依赖的类
package akka.stream.alpakka.dynamodb.impl

import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.model.MediaType.NotCompressible
import akka.http.scaladsl.model.{ContentType, MediaType}
import akka.stream.Materializer
import akka.stream.alpakka.dynamodb.AwsOp
import akka.stream.alpakka.dynamodb.impl.AwsClient.{AwsConnect, AwsRequestMetadata}
import akka.stream.scaladsl.{Sink, Source}
import com.amazonaws.AmazonServiceException
import com.amazonaws.http.HttpResponseHandler

class DynamoClientImpl(
    val settings: DynamoSettings,
    val errorResponseHandler: HttpResponseHandler[AmazonServiceException]
)(implicit protected val system: ActorSystem, implicit protected val materializer: Materializer)
    extends AwsClient[DynamoSettings] {

  override protected val service = "dynamodb"
  override protected val defaultContentType =
    ContentType.Binary(MediaType.customBinary("application", "x-amz-json-1.0", NotCompressible))
  override protected implicit val ec = system.dispatcher

  override protected val connection: AwsConnect =
    if (settings.port == 443)
      Http().cachedHostConnectionPoolHttps[AwsRequestMetadata](settings.host)(materializer)
    else
      Http().cachedHostConnectionPool[AwsRequestMetadata](settings.host, settings.port)(materializer)

  def single(op: AwsOp) = Source.single(op).via(flow).map(_.asInstanceOf[op.B]).runWith(Sink.head)

} 

//设置package包名称以及导入依赖的类
package au.csiro.data61.magda

import akka.actor.{ Actor, ActorLogging, ActorSystem, DeadLetter, Props }
import akka.event.Logging
import akka.http.scaladsl.Http
import akka.stream.ActorMaterializer
import au.csiro.data61.magda.api.SearchApi
import au.csiro.data61.magda.search.elasticsearch.{ DefaultClientProvider, ElasticSearchQueryer }

object MagdaApp extends App {
  implicit val config = AppConfig.conf()
  implicit val system = ActorSystem("search-api", config)
  implicit val executor = system.dispatcher
  implicit val materializer = ActorMaterializer()
  implicit val clientProvider = new DefaultClientProvider

  implicit val logger = Logging(system, getClass)

  logger.info("Starting API in env {} on port {}", AppConfig.getEnv, config.getString("http.port"))

  val listener = system.actorOf(Props(classOf[Listener]))
  system.eventStream.subscribe(listener, classOf[DeadLetter])

  logger.debug("Starting API")
  val searchQueryer = ElasticSearchQueryer.apply
  val api = new SearchApi(searchQueryer)

  val interface = Option(System.getenv("npm_package_config_interface")).orElse(Option(config.getString("http.interface"))).getOrElse("127.0.0.1")
  val port = Option(System.getenv("npm_package_config_port")).map(_.toInt).orElse(Option(config.getInt("http.port"))).getOrElse(6101)

  Http().bindAndHandle(api.routes, interface, port)
}

class Listener extends Actor with ActorLogging {
  def receive = {
    case d: DeadLetter => log.debug(d.message.toString())
  }
} 

//设置package包名称以及导入依赖的类
import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.stream.ActorMaterializer
import bot.application.EchoLineBot
import bot.line.client.{ReplyMessageClient, SignatureVerifier}
import com.typesafe.config.ConfigFactory

object Main extends App {
  implicit val system = ActorSystem("LINE-bot")
  implicit val materializer = ActorMaterializer()
  implicit val ec = system.dispatcher

  val config = ConfigFactory.load()

  val bot = new EchoLineBot(
    channelSecret = config.getString("bot.line.channelSecret"),
    signatureVerifier = new SignatureVerifier,
    messageReplier = new ReplyMessageClient(config.getString("bot.line.accessToken"))
  )

  Http().bindAndHandle(bot.routes, config.getString("http.interface"), config.getInt("http.port"))
} 

//设置package包名称以及导入依赖的类
package com.github.btesila.weather.monitor

import akka.actor.ActorSystem
import akka.event.Logging
import akka.http.scaladsl.Http
import akka.http.scaladsl.server.Directives.{complete => _, get => _, handleExceptions => _, path => _, _}
import akka.http.scaladsl.server.directives.ExecutionDirectives._
import akka.http.scaladsl.server.directives.MethodDirectives._
import akka.http.scaladsl.server.directives.PathDirectives._
import akka.http.scaladsl.server.directives.RouteDirectives._
import akka.stream.ActorMaterializer
import com.github.btesila.weather.monitor.routes.WeatherMonitorRoutes

import scala.concurrent.Future

class RestService()(implicit system: ActorSystem, mat: ActorMaterializer) {

  val ping = (path("ping") & get) {
    complete("OK")
  }

  val routes = WeatherMonitorRoutes(WeatherMonitorOps()).routes

  def start(): Future[Http.ServerBinding] = {
    val handler = logRequestResult("req/resp", Logging.DebugLevel) {
      handleExceptions(Fault.Handler) {
        ping ~ routes
      }
    }
    val httpSettings = Settings(system).WeatherMonitor.Acceptor
    Http().bindAndHandle(
      handler = handler,
      interface = httpSettings.Host,
      port = httpSettings.Port
    )
  }
}

object RestService {
  def apply()(implicit system: ActorSystem, mat: ActorMaterializer) = new RestService()
} 

//设置package包名称以及导入依赖的类
package com.noedominguez.class_orchestration.restapi

import com.noedominguez.class_orchestration.restapi.services.{AuthService, TeamsService, UsersService, ExplorationsService, ExplorationEventsService, ExplorationObjectsService}
import akka.actor.ActorSystem
import akka.event.{Logging, LoggingAdapter}
import akka.http.scaladsl.Http
import akka.stream.ActorMaterializer
import com.noedominguez.class_orchestration.restapi.http.HttpService
import com.noedominguez.class_orchestration.restapi.utils.{DatabaseService, FlywayService}
import com.noedominguez.class_orchestration.restapi.utils.Config

import scala.concurrent.ExecutionContext

object Main extends App with Config {
  implicit val actorSystem = ActorSystem()
  implicit val executor: ExecutionContext = actorSystem.dispatcher
  implicit val log: LoggingAdapter = Logging(actorSystem, getClass)
  implicit val materializer: ActorMaterializer = ActorMaterializer()

  val flywayService = new FlywayService(jdbcUrl, dbUser, dbPassword)
  flywayService.migrateDatabaseSchema

  val databaseService = new DatabaseService(jdbcUrl, dbUser, dbPassword)

  val usersService = new UsersService(databaseService)
  val authService = new AuthService(databaseService)(usersService)
  val teamsService= new TeamsService(databaseService)
  val explorationsService= new ExplorationsService(databaseService)
  val explorationEventsService= new ExplorationEventsService(databaseService)
  val explorationObjectsService= new ExplorationObjectsService(databaseService)

  val httpService = new HttpService(usersService, authService, teamsService, explorationsService, explorationEventsService,explorationObjectsService)

  Http().bindAndHandle(httpService.routes, httpHost, httpPort)
}