Scala write类代码示例

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

import com.github.vladminzatu.surfer.Score
import org.apache.http.client.methods.HttpPost
import org.apache.http.entity.StringEntity
import org.apache.http.impl.client.{HttpClientBuilder}
import org.apache.spark.rdd.RDD
import org.json4s.jackson.Serialization.write

case class Item(item:String, score:Double)

class RestPersister extends Persister {

  val url = "http://localhost:8080/items"

  override def persist(scores: RDD[(String, Score)]): Unit = {
    implicit val formats = org.json4s.DefaultFormats
    val payload = write(scores.collect().sortWith((a,b) => a._2.value > b._2.value).map(x => Item(x._1, x._2.value)))
    val client = HttpClientBuilder.create().build();
    client.execute(postRequest(payload))
  }

  private def postRequest(payload: String): HttpPost = {
    val post = new HttpPost(url)
    post.setEntity(new StringEntity(payload))
    post
  }
} 

//设置package包名称以及导入依赖的类
import java.io._
import org.json4s._
import org.json4s.jackson.JsonMethods._
import org.json4s.jackson.Serialization.write

object Hello extends App {

  println("Hello")

  //case class Person(name: String, age: Option[Int])
  //case class Finance(month: String, Income:String, Expenses: String, Profit: String)
  case class Box(
    env: String,
    name: String,
    domain: String,
    layer: String,
    service: String,
    admin: String,
    comments: String = "" )

  // This line is neccesary for "write" to work ???
  implicit val formats = DefaultFormats

  //val john = Person("John", None)

  //println(write(john))

  val bufferedSource = io.Source.fromFile("./boxes.csv")
  val jsonWriter = new PrintWriter(new File("/home/francisco/DevScala/workspace/funWithJson/boxes.json"))
  var counter = 1
  for (line <- bufferedSource.getLines) {

    val cols = line.split(";").map(_.trim)

    val box = cols.length match {
      case 6 => Box(cols(0),cols(1),cols(2),cols(3),cols(4),cols(5))
      case 7 => Box(cols(0),cols(1),cols(2),cols(3),cols(4),cols(5),cols(6))
    }
    jsonWriter.write("{\"index\":{\"_id\": \"" + counter + "\"}}" + "\n")
    jsonWriter.write(write(box)+"\n")
    counter += 1
    println(write(box))
  }
  jsonWriter.close
  bufferedSource.close

  


} 

//设置package包名称以及导入依赖的类
package com.zhranklin.notice.script


import com.zhranklin.notice.Logging
import org.json4s.jackson.JsonMethods.parse
import org.json4s.jackson.Serialization.{write, writePretty}

import scala.util.{Try, _}
object Script extends MessageJsonFormats with Logging {
  if (System.getProperties.getProperty("logpath") != null){
    val pwd = System.getenv("PWD")
    log.i(s"logpath???, ??????, ?: $pwd")
  }

  val pretty = java.lang.Boolean.parseBoolean(System.getProperty("pretty", "true"))
  log.i(s"pretty is set to: $pretty")
  val respWrite: (Response) ? String = if (pretty) writePretty[Response] else write[Response]
  val response = respWrite andThen println

  def main(args: Array[String]): Unit = try {
    work()
  } catch {
    case e: Exception ?
      log.e("unknown_error", e)
      response(err.UNKNOWN_ERROR)
  }

  def work() = {
    val lines = Iterator.continually(Console.in.readLine).takeWhile(_ != null)
    lines map handleCommand foreach response
  }

  def handleCommand(jsonStr: String): Response = Try(parse(jsonStr)).map(_.extract[Request]) match {
    case Success(r) ? r.handle
    case Failure(e) ?
      log.e(e.getMessage, e)
      err.JSON_FORMAT_ERR(e)
  }
} 

//设置package包名称以及导入依赖的类
package ifttt

import ifttt.Scheduler.makeOrderedPair


  lazy val pairs: Set[(String, String)] = {
    def makePairs(emails: List[String]): List[(String, String)] = {
      emails match {
        case hd :: tl => tl.map(makeOrderedPair(hd, _)) ::: makePairs(tl)
        case Nil => List()
      }
    }
    // By sorting the pairs, we ensure that if two people are both part of two distinct teams, the pairs that contains
    // their emails will be in the same order in both teams.
    makePairs(members.toList).toSet
  }

  def toJson: String = {
    import org.json4s._
    import org.json4s.jackson.Serialization
    import org.json4s.jackson.Serialization.write
    implicit val formats = Serialization.formats(NoTypeHints)
    write(this)
  }

} 

//设置package包名称以及导入依赖的类
package yumi.pipeline.activities.connectors.hbase

import org.apache.spark.sql.execution.datasources.hbase.{HBaseRelation, HBaseTableCatalog}
import org.json4s.NoTypeHints
import org.json4s.jackson.Serialization
import org.json4s.jackson.Serialization.write
import yumi.pipeline.{Activity, Parameters, SessionData, YumiContext}

class HBaseWriterActivity (val parameters: Parameters) extends Activity{

  val format = "org.apache.spark.sql.execution.datasources.hbase"
  val mode = parameters
    .getOptionAs[String]("mode")
    .getOrElse("append")

  val table = parameters.getAs[String]("table")
  val as = parameters.getAs[String]("as")
  val namespace = parameters.getAs[String]("namespace")
  val rowKey = parameters.getAs[String]("rowKey")
  val columns = parameters.getAs[List[Map[Any, Any]]]("columns")
  val zookeeperQuorum = parameters.getAs[String]("zookeeper.quorum")
  val zookeeperZnodeParent = parameters.getAs[String]("zookeeper.znode.parent")


  override protected[this] def onInvoke(sessionData: SessionData)
                                       (implicit yumiContext: YumiContext): SessionData = {

    import yumiContext._

    implicit val formats = Serialization.formats(NoTypeHints)

    val columnString = columns.map(x=> write(x).stripPrefix("{").stripSuffix("}")).mkString(",")


    val catalog = s"""{
                     |"table":{"namespace":"$namespace", "name":"$as"},
                     |"rowkey":"$rowKey",
                     |"columns":{$columnString}
                     |}""".stripMargin


    val connection = s"""{
        "hbase.zookeeper.quorum":"$zookeeperQuorum",
        "zookeeper.znode.parent":"$zookeeperZnodeParent"
      }
      """

    dataFrameWriter.write(
      dataFrame = sparkSession.table(table),
      format = format,
      mode = mode,
      options = Map(HBaseTableCatalog.tableCatalog -> catalog,
        HBaseRelation.HBASE_CONFIGURATION -> connection),
      path = format
    )

    sessionData
  }
} 

//设置package包名称以及导入依赖的类
package yumi.pipeline.activities.connectors.hbase


import org.apache.spark.sql.execution.datasources.hbase.{HBaseRelation, HBaseTableCatalog}
import org.json4s.NoTypeHints
import org.json4s.jackson.Serialization
import org.json4s.jackson.Serialization.write
import yumi.pipeline.{Activity, Parameters, SessionData, YumiContext}

class HBaseReaderActivity(val parameters: Parameters) extends Activity {

  val table = parameters.getString("table")
  val asView = parameters.getString("as")
  val namespace = parameters.getString("namespace")
  val rowKey = parameters.getString("rowKey")
  val columns = parameters.getAs[List[Map[Any, Any]]]("columns")
  val zookeeperQuorum = parameters.getString("zookeeper.quorum")
  val zookeeperZnodeParent = parameters.getString("zookeeper.znode.parent")

  override protected[this] def onInvoke(sessionData: SessionData)
                                       (implicit yumiContext: YumiContext): SessionData = {

    import yumiContext._

    implicit val formats = Serialization.formats(NoTypeHints)

    val columnString = columns.map(x=> write(x).stripPrefix("{").stripSuffix("}")).mkString(",")

    val catalog = s"""{
                     |"table":{"namespace":"$namespace", "name":"$table"},
                     |"rowkey":"$rowKey",
                     |"columns":{$columnString}
                     |}""".stripMargin

    val connection = s"""{
        "hbase.zookeeper.quorum":"$zookeeperQuorum",
        "zookeeper.znode.parent":"$zookeeperZnodeParent"
      }
      """

    sparkSession
      .read
      .options(Map(HBaseTableCatalog.tableCatalog -> catalog,
        HBaseRelation.HBASE_CONFIGURATION -> connection))
      .format("org.apache.spark.sql.execution.datasources.hbase")
      .load()
      .createTempView(asView)

    sessionData
  }
} 

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

// Kinesis
import stores.KinesisStream

// JSON
import org.json4s._
import org.json4s.jackson.JsonMethods._
import org.json4s.jackson.Serialization
import org.json4s.jackson.Serialization.{read, write}

// Rules
import rule_engine.rules.Rule

case class Segment(val name: String, rule: Rule) {
  import Segment._

  def containsUser(user: User): Boolean = {
    rule.fulfilledBy(user.toMap)
  }

  def alreadyContainedUser(user: User): Boolean = {
    val userWithoutNewEvents = User(user.id, user.persistedActions)
    rule.fulfilledBy(userWithoutNewEvents.toMap)
  }

  def publishUserEntrance(user: User) = {
    implicit val formats = Serialization.formats(ShortTypeHints(List(classOf[EnterSegmentEvent])))

    val event = EnterSegmentEvent(user.id, name)
    stream.put(user.id, write(event).getBytes("UTF-8"))
  }

  def publishUserExit(user: User) = {
    implicit val formats = Serialization.formats(ShortTypeHints(List(classOf[ExitSegmentEvent])))

    val event = ExitSegmentEvent(user.id, name)
    stream.put(user.id, write(event).getBytes("UTF-8"))
  }
}

object Segment {
  val config = AppConfig.load().get
  val stream = KinesisStream(config.outStreamName)

  case class EnterSegmentEvent(user_id: String, segment_name: String)
  case class ExitSegmentEvent(user_id: String, segment_name: String)
} 

//设置package包名称以及导入依赖的类
package com.pagerduty.scheduler.model

import java.time.Instant
import org.json4s.DefaultFormats
import org.json4s.jackson.Serialization.{read, write}


case class TaskStatus(numberOfAttempts: Int, completionResult: CompletionResult, nextAttemptAt: Option[Instant]) {
  def isComplete = completionResult.isComplete

  implicit val formats = DefaultFormats + new TaskKeyTimeSerializer + new CompletionResultSerializer

  def toJson: String = write(this)
}

object TaskStatus {
  val Dropped: TaskStatus = {
    TaskStatus(numberOfAttempts = 0, CompletionResult.Dropped, nextAttemptAt = None)
  }
  val NeverAttempted: TaskStatus = {
    TaskStatus(numberOfAttempts = 0, CompletionResult.Incomplete, nextAttemptAt = None)
  }
  def successful(numberOfAttempts: Int): TaskStatus = {
    TaskStatus(numberOfAttempts, CompletionResult.Success, nextAttemptAt = None)
  }
  def failed(numberOfAttempts: Int): TaskStatus = {
    TaskStatus(numberOfAttempts, CompletionResult.Failure, nextAttemptAt = None)
  }

  implicit val formats = DefaultFormats + new TaskKeyTimeSerializer + new CompletionResultSerializer

  def fromJson(taskStatus: String): TaskStatus = read[TaskStatus](taskStatus)
} 

//设置package包名称以及导入依赖的类
package com.pagerduty.scheduler.model

import java.time.Instant
import org.json4s.DefaultFormats
import org.json4s.jackson.Serialization.{read, write}


case class TaskAttempt(
    attemptNumber: Int,
    startedAt: Instant,
    finishedAt: Instant,
    taskResult: CompletionResult,
    taskResultUpdatedAt: Instant,
    exceptionClass: Option[String],
    exceptionMessage: Option[String],
    exceptionStackTrace: Option[String]) {
  implicit val formats = DefaultFormats + new TaskKeyTimeSerializer + new CompletionResultSerializer

  def toJson: String = write(this)
}

object TaskAttempt {
  def apply(
      attemptNumber: Int,
      startedAt: Instant,
      finishedAt: Instant,
      taskResult: CompletionResult,
      taskResultUpdatedAt: Instant,
      exception: Option[Throwable]
    ): TaskAttempt = {
    TaskAttempt(
      attemptNumber,
      startedAt,
      finishedAt,
      taskResult,
      taskResultUpdatedAt,
      exceptionClass = exception.map(_.getClass.getName),
      exceptionMessage = exception.map(_.getMessage),
      exceptionStackTrace = exception.map(_.getStackTraceString)
    )
  }

  implicit val formats = DefaultFormats + new TaskKeyTimeSerializer + new CompletionResultSerializer

  def fromJson(taskAttempt: String): TaskAttempt = read[TaskAttempt](taskAttempt)
} 

//设置package包名称以及导入依赖的类
package poc.persistence.write

import java.nio.charset.Charset

import akka.actor.ExtendedActorSystem
import akka.event.Logging
import akka.persistence.journal.{Tagged, WriteEventAdapter}
import org.json4s.DefaultFormats
import poc.persistence.events.{OrderCancelled, OrderInitialized}

class OrderTaggingEventAdapter(actorSystem: ExtendedActorSystem) extends WriteEventAdapter {

  private val log = Logging.getLogger(actorSystem, this)

  override def toJournal(event: Any): Any = event match {
    case e: OrderInitialized =>
      log.debug("tagging OrderInitialized event")
      Tagged(e, Set("UserEvent"))
    case e: OrderCancelled =>
      log.debug("tagged OrderCancelled event")
      Tagged(e, Set("UserEvent"))
  }

  override def manifest(event: Any): String = ""
}

import akka.serialization.Serializer

class EventSerialization(actorSystem: ExtendedActorSystem) extends Serializer {

  import org.json4s.jackson.Serialization.{read, write}

  private val log = Logging.getLogger(actorSystem, this)

  val UTF8: Charset = Charset.forName("UTF-8")

  implicit val formats = DefaultFormats

  // Completely unique value to identify this implementation of Serializer, used to optimize network traffic.
  // Values from 0 to 16 are reserved for Akka internal usage.
  // Make sure this does not conflict with any other kind of serializer or you will have problems
  override def identifier: Int = 90020001

  override def includeManifest = true

  override def fromBinary(bytes: Array[Byte], manifestOpt: Option[Class[_]]): AnyRef = {
    implicit val manifest = manifestOpt match {
      case Some(x) => Manifest.classType(x)
      case None => Manifest.AnyRef
    }
    val str = new String(bytes, UTF8)
    val result = read(str)
    result
  }

  override def toBinary(o: AnyRef): Array[Byte] = {
    val jsonString = write(o)
    val dat = write(o).getBytes(UTF8)
    dat
  }
} 

//设置package包名称以及导入依赖的类
package au.edu.utscic.athanorserver.athanor

import au.edu.utscic.athanorserver.data.RhetoricalImplicits
import au.edu.utscic.athanorserver.data.RhetoricalTypes._
import com.typesafe.config.{Config, ConfigFactory}
import com.xerox.jatanor.JAtanor
import org.json4s.JsonAST.JValue
import org.json4s.NoTypeHints
import org.json4s.jackson.JsonMethods.parse
import org.json4s.jackson.Serialization
import org.json4s.jackson.Serialization.write

import scala.io.Source


object Athanor {

  lazy val config: Config = ConfigFactory.load()
  lazy val path: String = config.getString("app.path")
  lazy val athanor = new JAtanor
  lazy val handler = athanor.LoadProgram(program,"")
  lazy val program: String = fullPath("apply.kif")
  lazy val testSentence: String = fullPath("sentence.json")
  lazy val demoFile:String = Source.fromFile(testSentence).getLines.mkString

  def fullPath(file:String): String = {
    s"$path/scripts/$file"
  }


  def parseJsonSentence(sent:String):ParsedSentence = {

    import RhetoricalImplicits._

    val json:JValue = parse(sent)
    val lexNodes:LexicalNodes = json(0)
    val constTree:ConstituentTree = json(1).extract[ConstituentTree]
    val deps:Dependencies = json(2).extract[Dependencies]
    (lexNodes,constTree,deps)
  }

  def parsedSentenceToJsonString(parsedSent:ParsedSentence):String = {
    implicit val formats = Serialization.formats(NoTypeHints)
    val l = write(parsedSent._1)
    val c = write(parsedSent._2).replaceAll("""(\"(?=[0-9]))|((?<=[0-9])\")""","") //remove quotes around Ints for json
    val d = write(parsedSent._3)
    s"[$l,$c,$d]"
  }

  def analyseParsedSentence(parsed:ParsedSentence):List[String] = {
    val jsonStr:String = parsedSentenceToJsonString(parsed)
    this.analyseJson(jsonStr)
  }

  def analyseJson(json:String):List[String] = {
    athanor.ExecuteFunctionArray(handler,"Apply",List(json).toArray).toList
  }

} 

//设置package包名称以及导入依赖的类
package com.biosimilarity.evaluator.importer.models

import org.json4s._
import org.json4s.jackson.JsonMethods._
import org.json4s.jackson.Serialization.write


case class PostDesc(
  src: String,
  trgts: List[String],
  label: String,
    uid: String,
  value: String
) {

  implicit val formats = DefaultFormats
  def toJson = write(this)  
}

object PostDesc {

  implicit val formats = DefaultFormats
  def fromJson(json: String) = parse(json).extract[PostDesc]

} 

//设置package包名称以及导入依赖的类
package com.biosimilarity.evaluator.importer.models

import org.json4s._
import org.json4s.jackson.JsonMethods._
import org.json4s.jackson.Serialization.write

case class DataSetDesc(
  agents: List[AgentDesc],
  labels: Option[List[JObject]],
  cnxns: Option[List[ConnectionDesc]],
  posts: Option[List[PostDesc]]
) {
  implicit val formats = DefaultFormats
  def toJson = write(this)  
}

object DataSetDesc {
  implicit val formats = DefaultFormats
  def fromJson(json: String) = parse(json).extract[DataSetDesc]
} 

//设置package包名称以及导入依赖的类
package cjp.catalogue.resource

import cjp.catalogue.model.PersistedCatalogueProduct
import cjp.catalogue.service._
import cjp.catalogue.utils.Logging
import org.json4s.FieldSerializer
import org.json4s.FieldSerializer.ignore
import org.json4s.jackson.Serialization
import org.json4s.jackson.Serialization.write
import play.api.http.MimeTypes
import play.api.mvc.{Action, Controller}


class ExportImportResource(exportImportService: ExportImportService, catalogueImportValidator: CatalogueImportValidator) extends Controller with Logging {

  val productSerializer = FieldSerializer[PersistedCatalogueProduct](
    ignore("_id") orElse ignore("name") orElse ignore("version") orElse ignore("created") orElse ignore("lastModified")
  )

  implicit val formats = CjpFormats.formats + productSerializer


  def export = Action {
    Ok(write(exportImportService.export)).as(MimeTypes.JSON)
  }

  def importCatalogue = Action(parse.tolerantText(parse.UNLIMITED)) {
    implicit request =>
      try {
        val catalogueExport: CatalogueData = Serialization.read[CatalogueData](request.body)
        val importValidation = catalogueImportValidator.validate(catalogueExport)
        if (importValidation.isValid) {
          exportImportService.importCatalogue(catalogueExport)
          NoContent
        } else {
          BadRequest(write(importValidation))
        }
      } catch {
        case e => {
          error("error importing catalogue", e)
          InternalServerError(e.getMessage)
        }
      }
  }
}