Scala Response类代码示例

//设置package包名称以及导入依赖的类
package placeholder.base

import java.net.InetSocketAddress

import com.twitter.finagle
import com.twitter.finagle.Service
import com.twitter.finagle.http.{Request, Response}
import com.twitter.util.Future
import org.scalatest._
import placeholder.Main

import scala.concurrent.Await
import scala.concurrent.duration._

trait IntegrationTestBase extends FeatureSpec with GivenWhenThen with Matchers with BeforeAndAfterAll {
  val server = Main

  var serverAddress: InetSocketAddress = _
  var client: Service[Request, Response] = _
  var requestHost: String = _

  server.main(Array())

  override def beforeAll(): Unit = {
    serverAddress = Await.result(server.getServerAddress, 10.seconds)
    requestHost = s"localhost:${serverAddress.getPort.toString}"
    client = finagle.Http.newService(requestHost)
  }

  def performRequest(request: Request): Future[Response] = {
    request.host = requestHost
    client(request)
  }
} 

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

import com.twitter.finagle.filter.LogFormatter
import com.twitter.finagle.http.Status.InternalServerError
import com.twitter.finagle.http.filter.CommonLogFormatter
import com.twitter.finagle.http.{ Request, Response }
import com.twitter.finagle.{ Service, SimpleFilter }
import com.twitter.logging.Logger
import com.twitter.util._


abstract class RequestLoggingFilter[REQ <: Request](val formatter: LogFormatter[REQ, Response])
  extends SimpleFilter[REQ, Response] {

  private val log = Logger.get(getClass)

  final def apply(request: REQ, service: Service[REQ, Response]): Future[Response] = {
    //log.info(s">>> RAW REQUEST: '${request.getContentString()}'")
    val elapsed = Stopwatch.start()
    val future = service(request)
    future.respond {
      case Return(response) => logSuccess(elapsed(), request, response)
      case Throw(error)     => logException(elapsed(), request, error)
    }
    future
  }

  final def logSuccess(replyTime: Duration, request: REQ, response: Response): Unit = {
    val line = formatter.format(request, response, replyTime)
    log.info(line)
  }

  final def logException(duration: Duration, request: REQ, error: Throwable): Unit = {
    val response = Response(request.version, InternalServerError)
    val line = formatter.format(request, response, duration)
    log.info(line)
  }
}

object RequestLoggingFilter extends RequestLoggingFilter[Request](new CommonLogFormatter) 

//设置package包名称以及导入依赖的类
package app.v1.handler

import com.twitter.finagle.http.{ Request, Response, Status, Version }
import com.twitter.logging.Logger
import com.twitter.util.Future
import io.finch.Error.{ NotParsed, NotPresent, NotValid }
import io.finch._

trait ErrorHandler {

  private val log = Logger.get(getClass)

  def apiErrorHandler: PartialFunction[Throwable, Output[Nothing]] = {
    case e: NotPresent => BadRequest(e)
    case e: NotParsed  => BadRequest(e)
    case e: NotValid   => BadRequest(e)
    case e: Exception  => InternalServerError(e)
  }

  def topLevelErrorHandler[REQUEST <: Request](request: REQUEST, encoder: Encode[Throwable]): PartialFunction[Throwable, Future[Response]] = {
    case t: Throwable => unhandledException(request, t, encoder)
  }

  private def unhandledException[REQUEST <: Request](request: REQUEST, t: Throwable, encoder: Encode[Throwable]): Future[Response] = {
    try {
      log.info(s"Unhandled exception on URI ${request.uri} with message $t")
      Future.value(Response(Version.Http11, Status.InternalServerError))
    } catch {
      case e: Throwable => {
        log.error(s"Unable to log unhandled exception: $e")
        throw e
      }
    }
  }
} 

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

import com.twitter.finagle.http.{Response, Request}
import com.twitter.finagle.{Service, Http}
import com.twitter.util.Await

import io.finch._
import io.finch.circe._
import io.circe.generic.auto._
import shapeless.{CNil, :+:}
import io.circe._, io.circe.generic.auto._, io.circe.syntax._
case class Foo2( f: String )
case class Bar2( b: String )
case class Person2( firstname: String, lastname: String )

object HelloService4 extends App {

  val foo2: Endpoint[Foo2] = get("foo" / string ) {
    name: String => Ok( Foo2(name))
  }

  val bar2: Endpoint[Bar2] = get("bar" / string ) {
    name: String => Ok( Bar2(name))
  }

  val person2: Endpoint[Person2] = get("person" / string ) {
    name: String => Ok( Person2( name, "Welkenbach"))
  }

  val api: Service[Request, Response] = (foo2 :+: bar2 :+: person2).toService 

  Await.ready(Http.server.serve(":9001", api ))
} 

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

import com.twitter.finagle.http.{Request, Response}
import com.twitter.finagle.{Failure, Service, SimpleFilter, RefusedByRateLimiter}
import com.twitter.util.Future
import com.twitter.logging.Logger


case class HandleRefusedByRateLimiterFilter() extends SimpleFilter[Request, Response] {
  val LOG = Logger.get(getClass)

  def apply(request: Request, service: Service[Request, Response]): Future[Response] = Future {
    service(request) handle {
      case _: RefusedByRateLimiter => {
        val rateLimitedMessage = s"Request is rate limited: ${request.encodeString()}"
        LOG.info(rateLimitedMessage)
        RefusedByRateLimiterError(rateLimitedMessage).toResponse
      }
    }
  }.flatMap(identity _)
} 

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

import com.twitter.finagle.http.{Response, Status}
import com.twitter.finagle.RefusedByRateLimiter
import com.twitter.io.Buf
import com.twitter.logging.Logger
import io.circe.{Decoder, Encoder}
import io.circe.syntax._

final case class RefusedByRateLimiterError(
  message: String
) extends Exception(message) {
  def toResponse: Response = RefusedByRateLimiterError.toResponse(this)
}

object RefusedByRateLimiterError {
  val LOG = Logger.get(getClass)

  implicit val errorEncoder: Encoder[RefusedByRateLimiterError] =
    Encoder.forProduct1("message") { err => err.message }

  implicit val errorDecoder: Decoder[RefusedByRateLimiterError] =
    Decoder.forProduct1[String, RefusedByRateLimiterError]("message") {
      case (message: String) => RefusedByRateLimiterError(message)
    }

  def toResponse(error: RefusedByRateLimiterError): Response = {
    val response = Response(Status.TooManyRequests)
    val content = error.asJson.noSpaces
    LOG.info(content)
    response.content = Buf.Utf8(content)
    response.contentType = "application/json"
    response
  }
} 

//设置package包名称以及导入依赖的类
package featherbed

import java.net.URL

import com.twitter.finagle.{Filter, Http}
import com.twitter.finagle.http.{Request, Response}
import org.scalamock.matchers.Matcher
import org.scalamock.scalatest.MockFactory

package object fixture {
  private[fixture] class MockClient (
    baseUrl: URL,
    filter: Filter[Request, Response, Request, Response]
  ) extends Client(baseUrl) {
    override def clientTransform(c: Http.Client) = c.filtered(filter)
  }

  trait ClientTest { self: MockFactory =>
    class TransportRequestMatcher(f: Request => Unit) extends Matcher[Any] {
      override def canEqual(x: Any) = x match {
        case x: Request => true
        case _ => false
      }
      override def safeEquals(that: Any): Boolean = that match {
        case x: Request => f(x); true
        case _ => false
      }
    }

    def request(f: Request => Unit): TransportRequestMatcher = new TransportRequestMatcher(f)

    def mockClient(url: String, filter: Filter[Request, Response, Request, Response]): Client =
      new MockClient(new URL(url), filter)
  }
} 

//设置package包名称以及导入依赖的类
package com.bob.scalatour.twitters

import com.twitter.finagle.transport.Transport
import com.twitter.finagle.{Http, Service}
import com.twitter.finagle.http.{Method, Response, Request}
import com.twitter.finagle.loadbalancer.{Balancers, LoadBalancerFactory}
import com.twitter.util.{Await => twitterAwait, Monitor}

object HttpTips {

  def main(args: Array[String]) {
    val balancer: LoadBalancerFactory = Balancers.heap()

    val monitor: Monitor = new Monitor {
      override def handle(exc: Throwable): Boolean = {
        // do sth with the exception
        true
      }
    }

    val client: Service[Request, Response] = Http.client
      .withMonitor(monitor)
      .withLoadBalancer(balancer)
      // It’s important to disable Fail Fast when only have one host in the replica set
      // because Finagle doesn’t have any other path to choose.
      .withSessionQualifier.noFailFast
      .configured(Transport.Options(noDelay = false, reuseAddr = false))
      .newService("172.16.40.68:8090,172.16.40.69:8090", "riskservice")

    val request = Request(Method.Get, "/calculator/users/together?userId=1234&date=2015-12-12&bbb=bbb")
    // here we should set the host header value even it is empty,otherwise it will nothing can obtain
    request.headerMap.add("host", "")
    (1 to 20).map {
      z => {
        println(s"now is the ${z} request to send")
        val response = client(request)
        twitterAwait.ready(response.map(x => println(x.contentString)))
      }
    }

    val url = Request.queryString("/calculator/users/together", Map("userId" -> "314", "date" -> "2015", "bbb" -> "bbb"))
    println(url) // url value will be: /calculator/users/together?userId=314&date=2015&bbb=bbb
    println("http invoke done")
  }
} 

//设置package包名称以及导入依赖的类
package com.bob.reservefund.scala

import com.google.inject.Inject
import com.twitter.finagle.http.{Response, Request}
import com.twitter.finatra.http.exceptions.HttpException
import com.twitter.finatra.http.exceptions.ExceptionMapper
import com.twitter.finatra.http.response.ResponseBuilder

class MExceptionMapper @Inject()(response: ResponseBuilder) extends ExceptionMapper[Exception] {

  override def toResponse(request: Request, throwable: Exception): Response = {
    throwable match {
      case e: HttpException =>
        val builder = response.status(e.statusCode)
        builder.json(
          s"""
             |{
             |  "msg": ${e.getMessage()}
              |}
          """.stripMargin)
      case _: Exception =>
        response.status(500).json( """{
                                     |      "name": "Bob",
                                     |      "age": 19
                                     |    }""")
    }
  }
} 

//设置package包名称以及导入依赖的类
package com.bob.reservefund.scala.Filter

import javax.inject.Inject

import com.twitter.finagle.filter.LogFormatter
import com.twitter.finagle.http.{Request, Response}
import com.twitter.finagle.{Service, SimpleFilter}
import com.twitter.inject.Logging
import com.twitter.util.{Stopwatch, Future}

case class WhichUserLogin(id: Long)

object WhichUserLoginContext {
  private val UserField = Request.Schema.newField[WhichUserLogin]()

  
class RequestAopFilter[R <: Request] @Inject()(
                                                logFormatter: LogFormatter[R, Response])
  extends SimpleFilter[R, Response] with Logging {

  override def apply(request: R, service: Service[R, Response]): Future[Response] = {
    if (!isInfoEnabled) {
      service(request)
    }
    else {
      val elapsed = Stopwatch.start()
      service(request) onSuccess { response =>
        info(response.contentString)
      } onFailure { e =>
        // should never get here since this filter is meant to be after the exception barrier
        info(logFormatter.formatException(request, e, elapsed()))
      }
    }
  }

} 

//设置package包名称以及导入依赖的类
package io.github.mijicd.prezi

import com.twitter.finagle.http.{Request, Response}
import com.twitter.finatra.http.HttpServer
import com.twitter.finatra.http.filters.{CommonFilters, LoggingMDCFilter}
import com.twitter.finatra.http.routing.HttpRouter
import com.twitter.finatra.logging.modules.Slf4jBridgeModule
import io.github.mijicd.prezi.api.Presentations
import io.github.mijicd.prezi.modules.{DataSource, PreziJson}

object ServiceMain extends Service

class Service extends HttpServer {
  override protected def modules = Seq(Slf4jBridgeModule, DataSource)

  override protected def jacksonModule = PreziJson

  override protected def defaultFinatraHttpPort = ":8180"

  override protected def disableAdminHttpServer = true

  override protected def configureHttp(router: HttpRouter): Unit = router.
    filter[LoggingMDCFilter[Request, Response]].
    filter[CommonFilters].
    add[Presentations]
} 

//设置package包名称以及导入依赖的类
package com.gilesc
package mynab
package finch

import com.gilesc.mynab.finch.endpoint.AccountEndpoints
import com.gilesc.mynab.finch.endpoint.AccountGroupEndpoints

object WebServer {
  import com.twitter.finagle.http.{Request, Response}
  import com.twitter.finagle.{Http, Service}
  import com.twitter.util.Await
  import io.circe.generic.auto._
  import io.finch._
  import io.finch.circe._

  // Endpoints
  val api: Service[Request, Response] = (
      AccountGroupEndpoints.postGroup :+:
      AccountGroupEndpoints.getGroup :+:
      AccountEndpoints.getAccount :+:
      AccountEndpoints.postAccount
    ).handle({
    case e => NotFound(new Exception(e.toString))
  }).toServiceAs[Application.Json]

  // Service Stuff
  def shutdown(): Unit = {}

  def main(args: Array[String]): Unit = {
    val server = Http.server.serve(":8080", api)
    Await.ready(server)
    shutdown()
  }
} 

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

import com.twitter.finagle.http.{Response, Request}
import com.twitter.finatra.http.HttpServer
import com.twitter.finatra.http.filters.{CommonFilters, LoggingMDCFilter, TraceIdMDCFilter}
import com.twitter.finatra.http.routing.HttpRouter

object ExampleServerMain extends ExampleServer

class ExampleServer extends HttpServer {

  override def defaultFinatraHttpPort = ":9999"

  override def configureHttp(router: HttpRouter) {
    router
      .filter[LoggingMDCFilter[Request, Response]]
      .filter[TraceIdMDCFilter[Request, Response]]
      .filter[CommonFilters]
      .add[PingController]
  }

} 

//设置package包名称以及导入依赖的类
package $package$

import com.twitter.finagle.http.{Request, Response}
import com.twitter.finatra.http.HttpServer
import com.twitter.finatra.http.filters.{CommonFilters, LoggingMDCFilter, TraceIdMDCFilter}
import com.twitter.finatra.http.routing.HttpRouter
import $package$.controllers.MainController

object ServerMain extends Server

class Server extends HttpServer {
  override val name = "$package$ $name;format="Camel"$"

  override def configureHttp(router: HttpRouter) {
    router
      .filter[CommonFilters]
      .filter[LoggingMDCFilter[Request, Response]]
      .filter[TraceIdMDCFilter[Request, Response]]
      .add[MainController]
  }
} 

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

import com.github.ikhoon.app.v1.fake.FakeController
import com.github.ikhoon.app.v1.ping.PingController
import com.github.ikhoon.app.v1.user.UserController
import com.github.ikhoon.modules._
import com.jakehschwartz.finatra.swagger.DocsController
import com.twitter.finagle.http.{ Request, Response }
import com.twitter.finatra.http.HttpServer
import com.twitter.finatra.http.filters.{ CommonFilters, LoggingMDCFilter, TraceIdMDCFilter }
import com.twitter.finatra.http.routing.HttpRouter

object FinatraServerMain extends FinatraServer

class FinatraServer extends HttpServer {

  override def modules = Seq(
    TypesafeConfigModule, QuillDatabaseModule, SlickDatabaseModule, SwaggerModule
  ) ++ HttpClientModules.modules

  override def jacksonModule = CustomJacksonModule

  override def defaultFinatraHttpPort = ":9999"

  override def configureHttp(router: HttpRouter) {
    router
      .filter[LoggingMDCFilter[Request, Response]]
      .filter[TraceIdMDCFilter[Request, Response]]
      .filter[CommonFilters]
      .add[DocsController]
      .add[PingController]
      .add[UserController]
      .add[FakeController]

  }

}