Scala JsString类代码示例

//设置package包名称以及导入依赖的类
package actors.enrollment

import actors.AbstractDBHandler
import actors.AbstractDBHandler.QueryResult
import akka.actor.{ActorRef, Props}
import com.couchbase.client.java.document.json.JsonObject
import helpers.Helper
import helpers.Helper._
import messages.EnrollmentManagerMessages.Withdraw
import models.Response
import models.errors.GeneralErrors.CouldNotParseJSON
import play.api.Logger
import play.api.libs.json.{JsObject, JsString, Json}

class WithdrawHandler(out: ActorRef) extends AbstractDBHandler(out) {
  // this is the msg to user when error happens while querying from db
  override val ErrorMsg: String = "Withdraw from project failed"

  override def receive = {
    case Withdraw(userID: String, projectID: String) => Logger.info(s"actor ${self.path} - received msg : ${Withdraw(userID, projectID)}")
      executeQuery(DBUtilities.User.removeProjectFromEnrolledProjects(userID, projectID))


    case QueryResult(jsonObject) =>
      val response = constructResponse(jsonObject)
      response match {
        case Some(Response(jsonResult)) =>
          // get project id as String
          val projectID = (jsonResult \ "project_id").as[String]
          executeQuery(DBUtilities.Project.remove1FromProjectEnrollmentsCount(projectID))
          // get statsID
          val statsID = Helper.StatsIDPrefix + trimEntityID(projectID)
          executeQuery(DBUtilities.Stats.remove1FromStatsEnrollmentsCount(statsID))
          out ! Response(jsonResult)

        case None =>
          out ! CouldNotParseJSON("failed to withdraw user",
            "couldn't parse json retrieved from the db ", this.getClass.toString)
      }
  }

  override def constructResponse(jsonObject: JsonObject): Option[Response] = {
    try {
      val parsedJson = Json.parse(jsonObject.toString)
      //add project url
      val url = addField(parsedJson.as[JsObject], "url", helpers.Helper.ProjectPath + (parsedJson \ "projectId").as[String])

      val project = JsObject(Seq(
        "project_id" -> JsString((parsedJson \ "projectId").as[String]),
        "url" -> JsString((url \ "url").as[String])))

      Some(Response(project))
    } catch {
      case _: Exception => None
    }
  }
}

object WithdrawHandler {
  def props(out: ActorRef): Props = Props(new WithdrawHandler(out: ActorRef))
} 

//设置package包名称以及导入依赖的类
package domain

import play.api.libs.json.{Format, JsString, JsSuccess, JsValue}

object Status extends Enumeration {

  type Status = Value
  val Inactive = Value(1, "Inactive")
  val Active = Value(2, "Active")
  val Deleted = Value(3, "Deleted")

  implicit val myEnumFormat = new Format[Status] {
    def reads(json: JsValue) = JsSuccess(Status.withName(json.as[String]))
    def writes(myEnum: Status) = JsString(myEnum.toString)
  }
} 

//设置package包名称以及导入依赖的类
package domain

import play.api.libs.json.{Format, JsString, JsSuccess, JsValue}

object EstadoPedido extends Enumeration {

  type EstadoPedido = Value
  val Generado = Value(1, "Generado")
  val Pendiente = Value(2, "Pendiente")
  val Confeccionado = Value(3, "Confeccionado")
  val Entregado = Value(4, "Entregado")
  val Cancelado = Value(5, "Cancelado")

  implicit val myEnumFormat = new Format[EstadoPedido] {
    def reads(json: JsValue) = JsSuccess(EstadoPedido.withName(json.as[String]))
    def writes(myEnum: EstadoPedido) = JsString(myEnum.toString)
  }
} 

//设置package包名称以及导入依赖的类
package domain

import play.api.libs.json.{Format, JsString, JsSuccess, JsValue}

object Categoria extends Enumeration {

  type Categoria = Value
  val Entradas = Value(1, "Entradas")
  val PlatosPrincipales = Value(2, "PlatosPrincipales")
  val Postres = Value(3, "Postres")
  val Bebidas = Value(4, "Bebidas")
  val Cafeteria = Value(5, "Cafeteria")

  implicit val myEnumFormat = new Format[Categoria] {
    def reads(json: JsValue) = JsSuccess(Categoria.withName(json.as[String]))
    def writes(myEnum: Categoria) = JsString(myEnum.toString)
  }
} 

//设置package包名称以及导入依赖的类
package play.api.libs.ws.ahc

import akka.actor.ActorSystem
import akka.stream.ActorMaterializer
import akka.util.ByteString
import org.specs2.mock.Mockito
import org.specs2.mutable.Specification
import org.specs2.specification.AfterAll
import play.api.libs.json.{ JsString, Json }
import play.api.libs.ws.JsonBodyWritables
import play.libs.ws.DefaultObjectMapper


class JsonRequestSpec extends Specification with Mockito with AfterAll with JsonBodyWritables {
  sequential

  implicit val system = ActorSystem()
  implicit val materializer = ActorMaterializer()

  override def afterAll: Unit = {
    system.terminate()
  }

  "set a json node" in {
    val jsValue = Json.obj("k1" -> JsString("v1"))
    val client = mock[StandaloneAhcWSClient]
    val req = new StandaloneAhcWSRequest(client, "http://playframework.com/", null)
      .withBody(jsValue)
      .asInstanceOf[StandaloneAhcWSRequest]
      .buildRequest()

    req.getHeaders.get("Content-Type") must be_==("application/json")
    ByteString.fromArray(req.getByteData).utf8String must be_==("""{"k1":"v1"}""")
  }

  "set a json node using the default object mapper" in {
    val objectMapper = DefaultObjectMapper.instance

    implicit val jsonReadable = body(objectMapper)
    val jsonNode = objectMapper.readTree("""{"k1":"v1"}""")
    val client = mock[StandaloneAhcWSClient]
    val req = new StandaloneAhcWSRequest(client, "http://playframework.com/", null)
      .withBody(jsonNode)
      .asInstanceOf[StandaloneAhcWSRequest]
      .buildRequest()

    req.getHeaders.get("Content-Type") must be_==("application/json")
    ByteString.fromArray(req.getByteData).utf8String must be_==("""{"k1":"v1"}""")
  }
} 

//设置package包名称以及导入依赖的类
package com.pygmalios.reactiveinflux.command.query

import org.junit.runner.RunWith
import org.scalatest.FlatSpec
import org.scalatest.junit.JUnitRunner
import play.api.libs.json.{JsNumber, JsString, Json}

@RunWith(classOf[JUnitRunner])
class JsonResultFormatSpec extends FlatSpec {
  import JsonResultFormatSpec._
  import JsonResultFormat._

  behavior of "format"

  it should "parse result with one series" in {
    // Execute
    val jsonResult = Json.parse(example1).as[JsonResult]

    assert(jsonResult.series.size == 1)
    val series = jsonResult.series.head
    assert(series.name == "cpu_load_short")
    assert(series.columns == List("time", "value"))
    assert(series.values.size == 3)
    assert(series.values(0)(0) == JsString("2015-01-29T21:55:43.702900257Z"))
    assert(series.values(0)(1) == JsNumber(0.55))
    assert(series.values(1)(0) == JsString("2015-01-29T21:55:43.702900257Z"))
    assert(series.values(1)(1) == JsNumber(23422))
    assert(series.values(2)(0) == JsString("2015-06-11T20:46:02Z"))
    assert(series.values(2)(1) == JsNumber(0.64))
  }
}

object JsonResultFormatSpec {
  val example1 = """
                   |{
                   |            "series": [
                   |                {
                   |                    "name": "cpu_load_short",
                   |                    "columns": [
                   |                        "time",
                   |                        "value"
                   |                    ],
                   |                    "values": [
                   |                        [
                   |                            "2015-01-29T21:55:43.702900257Z",
                   |                            0.55
                   |                        ],
                   |                        [
                   |                            "2015-01-29T21:55:43.702900257Z",
                   |                            23422
                   |                        ],
                   |                        [
                   |                            "2015-06-11T20:46:02Z",
                   |                            0.64
                   |                        ]
                   |                    ]
                   |                }
                   |            ]
                   |        }
                 """.stripMargin
} 

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

import java.sql.Timestamp
import java.text.SimpleDateFormat
import play.api.libs.json.{Json, JsString, JsValue, Writes}
import models.{DriverModel, DriverLocationModel}

trait ResponseFormatter {

  implicit val timestampWriter = new Writes[Timestamp] {
    override def writes(t: Timestamp): JsValue = JsString(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'").format(t))
  }

  implicit val driverResponse = Json.writes[DriverResponse]
  implicit val seqDriverResponse = Json.writes[SeqDriverResponse]

  def toDriverResponse(driver: DriverModel): DriverResponse = {
    DriverResponse(
        id = driver.id,
        name = driver.name,
        vehicle = driver.vehicle
    )
  }

  def toDriverListResponse(seqDrv: Seq[DriverModel]): SeqDriverResponse = {
    SeqDriverResponse(
      drivers = seqDrv.map(toDriverResponse)
    )
  }

}

object ResponseFormatter extends ResponseFormatter 

//设置package包名称以及导入依赖的类
package io.orkestra.cluster

import akka.actor.ActorRef
import akka.http.scaladsl.model.{StatusCodes, StatusCode}
import play.api.libs.json.{JsString, Format, Json, JsValue}

package object protocol {

  case class Register(member: ActorRef, role: String)
  case class RegisterInternal(member: ActorRef, role: String)

  sealed trait Response {
    def asJson: JsValue
    def httpStatusCode: StatusCode
  }

  object Response {

    trait Success extends Response {
      override val httpStatusCode: StatusCode = StatusCodes.OK
    }

    object Success {

      case class Router(name: String, routees: List[String]) extends Success {
        override val asJson = Json.toJson(this)
      }
      object Router {
        implicit val fmt: Format[Router] = Json.format[Router]
      }

      case class Routers(routers: Iterable[JsValue]) extends Success {
        override val asJson = Json.toJson(routers)
      }

      case class RouteeDeleted(role: String, path: String) extends Success {
        override val asJson = JsString(s"routee: $path with role: $role successfully deleted")
      }

    }

    trait Failure extends Response

    object Failure {
      case class RouterNotFound(role: String) extends Failure {
        override val httpStatusCode: StatusCode = StatusCodes.NotFound
        override val asJson: JsValue = Json.obj("error" -> s"router with role: $role not found")
      }
    }
  }

} 

//设置package包名称以及导入依赖的类
package uk.gov.bis.levyApiMock.controllers.security

import play.api.libs.json.{JsBoolean, JsObject, JsString}
import play.api.mvc.{Action, Controller}
import uk.gov.bis.levyApiMock.auth.TOTP

class TestController extends Controller {

  def generateToken(secret: String, ts: Option[Long]) = Action {
    val token = TOTP.generateCodeAtTime(secret, ts.getOrElse(System.currentTimeMillis())).value
    Ok(JsObject(Seq("token" -> JsString(token))))
  }

  def checkToken(secret: String, token: String, ts: Option[Long]) = Action {
    val generatedToken = TOTP.generateCodeAtTime(secret, ts.getOrElse(System.currentTimeMillis())).value

    val valid = generatedToken == token
    Ok(JsObject(Seq("valid" -> JsBoolean(valid))))
  }

} 

//设置package包名称以及导入依赖的类
package models

import play.api.libs.json.{JsObject, JsString, Writes}

sealed trait ConversionStatus

case class Busy() extends ConversionStatus

case class Free() extends ConversionStatus

object ConversionStatus {
  implicit val jobStatusWrites: Writes[models.ConversionStatus] =
    Writes[models.ConversionStatus](s => JsObject(Map(
      "status" -> (s match {
        case Free() => JsString("free")
        case Busy() => JsString("busy")
      })
    )))
} 

//设置package包名称以及导入依赖的类
import javax.inject._

import play.api.http.DefaultHttpErrorHandler
import play.api._
import play.api.libs.json.JsString
import play.api.mvc._
import play.api.mvc.Results._
import play.api.routing.Router
import services.ApiSecurity

import scala.concurrent._

@Singleton
class ErrorHandler @Inject() (
                               env: Environment,
                               config: Configuration,
                               sourceMapper: OptionalSourceMapper,
                               router: Provider[Router]
                             ) extends DefaultHttpErrorHandler(env, config, sourceMapper, router) with ApiSecurity {

  override def onBadRequest(request: RequestHeader, message: String): Future[Result] = {
    Future.successful(
      JsonAnswer(400,JsString("Bad Request Error: " + message))(request)
    )
  }

  override def onServerError(request: RequestHeader, exception: Throwable): Future[Result] = {
    Future.successful(
      JsonAnswer(500,JsString("Internal Server Error: " + exception.getMessage))(request)
    )
  }

  override def onNotFound(request: RequestHeader, message: String): Future[Result] = {
    Future.successful(
      JsonAnswer(404,JsString("Not Found Error: " + message))(request)
    )
  }

  override def onForbidden(request: RequestHeader, message: String) = {
    Future.successful(
      Forbidden("You're not allowed to access this resource.")
    )
  }
} 

//设置package包名称以及导入依赖的类
package ylabs.play.common

import java.io.{PrintWriter, StringWriter}
import javax.inject.{Inject, Provider}

import play.api.http.DefaultHttpErrorHandler
import play.api.libs.json.{JsObject, JsString, Json, Writes}
import play.api.mvc.RequestHeader
import play.api.mvc.Results._
import play.api.routing.Router
import play.api.{Configuration, Environment, OptionalSourceMapper, UsefulException}
import ylabs.play.common.models.Helpers.ApiFailure.Failed
import ylabs.play.common.models.ValidationError.{Field, Invalid, Reason}

import scala.concurrent.Future

class ErrorHandler @Inject() (
    env: Environment,
    config: Configuration,
    sourceMapper: OptionalSourceMapper,
    router: Provider[Router]) extends DefaultHttpErrorHandler(env, config, sourceMapper, router) {

  def prettyTrace(t: Throwable) = {
    val sw = new StringWriter
    t.printStackTrace(new PrintWriter(sw))
    sw.toString
  }

  implicit def exceptionWrites: Writes[Throwable] = new Writes[Throwable] {
    def writes(t: Throwable) = JsObject(Seq(
      "message" -> JsString(t.getMessage),
      "trace" -> JsString(prettyTrace(t))))
  }

  override def onDevServerError(request: RequestHeader, exception: UsefulException) = {
    Future.successful(InternalServerError(Json.toJson(exception)))
  }

  override def onProdServerError(request: RequestHeader, exception: UsefulException) = {
    Future.successful(InternalServerError(Json.toJson("Internal Error")))
  }

  override def onBadRequest(request: RequestHeader, message: String) = {
    def errorToMessage(error: String) = error match {
      case "error.path.missing" ? "Value missing"
      case _                    ? error
    }

    //This is a bit of a mess because play doesn't allow invalid json to get to our client code
    //Message will be something like "Json validation error List((obj.name,List(ValidationError(List(error.path.missing),WrappedArray()))))"
    //So this extracts the field and reason
    val errorRegex = """\(obj.([^,]+),List\(ValidationError\(List\(([^\)]+)""".r
    val errors = errorRegex.findAllMatchIn(message) map { m ? Invalid(Field(m.group(1)), Reason(errorToMessage(m.group(2)))) }
    val list = if(errors.nonEmpty) errors.toList else List(Invalid(Field("Unknown"), Reason(message)))

    val failed = Failed(list)
    Future.successful(BadRequest(Json.toJson(failed)))
  }
} 

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

import javax.inject.Inject

import scala.annotation.implicitNotFound
import scala.concurrent.ExecutionContext
import scala.concurrent.duration.Duration
import scala.util.{ Failure, Success }
import play.api.libs.json.{ JsString, Json }
import play.api.mvc.{ Action, AnyContent, Controller }
import models.JsonFormat._
import services.JobSrv

class JobCtrl @Inject() (
    jobSrv: JobSrv,
    implicit val ec: ExecutionContext) extends Controller {
  def list(dataTypeFilter: Option[String], dataFilter: Option[String], analyzerFilter: Option[String], start: Int, limit: Int): Action[AnyContent] = Action.async { request ?
    jobSrv.list(dataTypeFilter, dataFilter, analyzerFilter, start, limit).map {
      case (total, jobs) ? Ok(Json.toJson(jobs)).withHeaders("X-Total" ? total.toString)
    }
  }

  def get(jobId: String): Action[AnyContent] = Action.async { request ?
    jobSrv.get(jobId).map { job ?
      Ok(Json.toJson(job))
    }
  }

  def remove(jobId: String): Action[AnyContent] = Action.async { request ?
    jobSrv.remove(jobId).map(_ ? Ok(""))
  }

  def report(jobId: String): Action[AnyContent] = Action.async { request ?
    jobSrv
      .get(jobId)
      .map { job ?
        val report = job.report.value match {
          case Some(Success(r))     ? Json.toJson(r)
          case Some(Failure(error)) ? JsString(error.getMessage)
          case None                 ? JsString("Running")
        }
        Ok(jobWrites.writes(job) +
          ("status" ? jobStatusWrites.writes(job.status)) +
          ("report" ? report))
      }
  }

  def waitReport(jobId: String, atMost: String): Action[AnyContent] = Action.async { request ?
    jobSrv.waitReport(jobId, Duration(atMost))
      .map { job ? Ok(Json.toJson(job)) }
  }
} 

//设置package包名称以及导入依赖的类
package model.sensor

import play.api.libs.json.{JsString, JsValue, Writes}


  def singleValue(value: Double): Double
}

object IdentityMeasurementAggregationStrategy extends MeasurementAggregationStrategy {
  override def singleValue(value: Double): Double = value
}

object BooleanMeasurementAggregationStrategy extends MeasurementAggregationStrategy {
  override def singleValue(value: Double): Double = if(value > 0) 10 else 0
}

object MeasurementAggregationStrategy {
  implicit val writes: Writes[MeasurementAggregationStrategy] =
    new Writes[MeasurementAggregationStrategy] {
      def writes(o: MeasurementAggregationStrategy): JsValue = o match {
        case IdentityMeasurementAggregationStrategy => JsString("none")
        case BooleanMeasurementAggregationStrategy => JsString("boolean")
      }
    }
} 

//设置package包名称以及导入依赖的类
package model.read

import model.{ ItemId, OrderNumber }
import play.api.libs.json.{ JsString, JsValue, Json, Writes }

case class OrderDetails(number: OrderNumber, status: OrderStatus, items: List[ItemDetails] = List.empty) {

  lazy val totalAmount = items.map(_.price).sum
}

case class ItemDetails(itemId: ItemId, name: String, price: Double)
object ItemDetails {
  implicit val writes = Json.writes[ItemDetails]
}

sealed trait OrderStatus
case object Initiated extends OrderStatus
case object Open extends OrderStatus
case object Payed extends OrderStatus
case object Cancelled extends OrderStatus

object OrderStatus {
  implicit val writes = new Writes[OrderStatus] {
    def writes(o: OrderStatus): JsValue = {
      o match {
        case Initiated => JsString("initiated")
        case Open      => JsString("open")
        case Payed     => JsString("payed")
        case Cancelled => JsString("cancelled")
      }
    }
  }
}

object OrderDetails {

  val writesCaseClass = Json.writes[OrderDetails]

  implicit val writes = new Writes[OrderDetails] {
    def writes(o: OrderDetails): JsValue = {
      Json.obj("total" -> o.totalAmount) ++ writesCaseClass.writes(o)
    }
  }
}