Scala JsonGenerator类代码示例

//设置package包名称以及导入依赖的类
package io.circe.jackson

import com.fasterxml.jackson.core.JsonGenerator
import com.fasterxml.jackson.databind.{ JsonSerializer, SerializerProvider }
import io.circe.{ Json, JsonBigDecimal, JsonBiggerDecimal, JsonDecimal, JsonDouble, JsonFloat, JsonLong }

private[jackson] final object CirceJsonSerializer extends JsonSerializer[Json] {
  import java.math.{ BigDecimal => JBigDecimal, BigInteger }
  import com.fasterxml.jackson.databind.node.{ BigIntegerNode, DecimalNode }

  override final def serialize(
    value: Json,
    json: JsonGenerator,
    provider: SerializerProvider
  ): Unit = value match {
    case Json.JNumber(v) => v match {
      case JsonLong(x) => json.writeNumber(x)
      case JsonDouble(x) => json.writeNumber(x)
      case JsonFloat(x) => json.writeNumber(x)
      case JsonDecimal(x) => json.writeString(x)
      case JsonBiggerDecimal(x) => json.writeString(x.toString)
      case JsonBigDecimal(x) =>
        // Workaround #3784: Same behaviour as if JsonGenerator were
        // configured with WRITE_BIGDECIMAL_AS_PLAIN, but forced as this
        // configuration is ignored when called from ObjectMapper.valueToTree
        val raw = x.bigDecimal.stripTrailingZeros.toPlainString

        if (raw contains ".") json.writeTree(new DecimalNode(new JBigDecimal(raw)))
          else json.writeTree(new BigIntegerNode(new BigInteger(raw)))
    }
    case Json.JString(v) => json.writeString(v)
    case Json.JBoolean(v) => json.writeBoolean(v)
    case Json.JArray(elements) => {
      json.writeStartArray()
      elements.foreach { t => serialize(t, json, provider) }
      json.writeEndArray()
    }
    case Json.JObject(values) => {
      json.writeStartObject()
      values.toList.foreach { t =>
        json.writeFieldName(t._1)
        serialize(t._2, json, provider)
      }
      json.writeEndObject()
    }
    case Json.JNull => json.writeNull()
  }
} 

//设置package包名称以及导入依赖的类
package com.flipkart.connekt.commons.entities

import com.fasterxml.jackson.core.{JsonGenerator, JsonParser}
import com.fasterxml.jackson.databind.{DeserializationContext, JsonDeserializer, JsonSerializer, SerializerProvider}

object Channel extends Enumeration {
  type Channel = Value
  val PUSH = Value("push")
  val EMAIL = Value("email")
  val SMS = Value("sms")
  val CARDS = Value("cards")
  val OPENWEB = Value("openweb")
}

class ChannelToStringSerializer extends JsonSerializer[Channel.Value] {
  override def serialize(t: Channel.Value, jsonGenerator: JsonGenerator, serializerProvider: SerializerProvider) = {
    jsonGenerator.writeObject(t.toString)
  }
}

class ChannelToStringDeserializer extends JsonDeserializer[Channel.Value] {
  @Override
  override def deserialize(parser:JsonParser, context:DeserializationContext):Channel.Value={
    try {
      com.flipkart.connekt.commons.entities.Channel.withName(parser.getValueAsString.toLowerCase)
    } catch {
      case e: NoSuchElementException =>
        null
    }
  }
} 

//设置package包名称以及导入依赖的类
package com.flipkart.connekt.commons.sync

import com.fasterxml.jackson.core.{JsonGenerator, JsonParser}
import com.fasterxml.jackson.databind.{DeserializationContext, JsonDeserializer, JsonSerializer, SerializerProvider}

object SyncType extends Enumeration {
   type SyncType = Value
   val CLIENT_ADD,TEMPLATE_CHANGE, AUTH_CHANGE, STENCIL_CHANGE, STENCIL_FABRIC_CHANGE,
   STENCIL_COMPONENTS_UPDATE, CLIENT_QUEUE_CREATE, SUBSCRIPTION, USER_PROJECT_CONFIG_CHANGE = Value
}


class SyncTypeToStringSerializer extends JsonSerializer[SyncType.Value] {
  override def serialize(t: SyncType.Value, jsonGenerator: JsonGenerator, serializerProvider: SerializerProvider) = {
    jsonGenerator.writeObject(t.toString)
  }
}

class SyncTypeToStringDeserializer extends JsonDeserializer[SyncType.Value] {
  @Override
  override def deserialize(parser: JsonParser, context: DeserializationContext): SyncType.Value = {
    try {
      SyncType.withName(parser.getValueAsString.toUpperCase)
    } catch {
      case e: NoSuchElementException =>
        null
    }
  }
} 

//设置package包名称以及导入依赖的类
package io.mediachain.util

import com.fasterxml.jackson.core.JsonGenerator
import com.fasterxml.jackson.databind.Module.SetupContext
import com.fasterxml.jackson.databind._
import com.fasterxml.jackson.databind.ser.Serializers
import org.json4s._
import org.json4s.jackson.Json4sScalaModule

class SortedObjectSerializer extends JsonSerializer[JValue]{
  def serialize(value: JValue, json: JsonGenerator, provider: SerializerProvider) {
    if (value == null) {
      json.writeNull()
    } else {
      value match {
        case JInt(v) => json.writeNumber(v.bigInteger)
        case JLong(v) => json.writeNumber(v)
        case JDouble(v) => json.writeNumber(v)
        case JDecimal(v) => json.writeNumber(v.bigDecimal)
        case JString(v) => json.writeString(v)
        case JBool(v) => json.writeBoolean(v)
        case JArray(elements) =>
          json.writeStartArray()
          elements filterNot (_ == JNothing) foreach (x => serialize(x, json, provider))
          json.writeEndArray()

        case JObject(fields) => {
          json.writeStartObject()
          fields sortWith { (f1, f2) =>
            f1._1.compareTo(f2._1) < 0
          } filterNot (_._2 == JNothing) foreach {
            case (n, v) =>
              json.writeFieldName(n)
              serialize(v, json, provider)
          }
          json.writeEndObject()
        }
        case JNull => json.writeNull()
        case JNothing => ()
      }
    }
  }

  override def isEmpty(value: JValue): Boolean = value == JNothing
}

private object SortedObjectSerializerResolver extends Serializers.Base {
  private val JVALUE = classOf[JValue]
  override def findSerializer(config: SerializationConfig, theType: JavaType, beanDesc: BeanDescription) = {
    if (!JVALUE.isAssignableFrom(theType.getRawClass)) null
    else new SortedObjectSerializer
  }
}


class Json4sWithSortedObjectsScalaModule extends Json4sScalaModule {
  override def setupModule(ctxt: SetupContext) {
    super.setupModule(ctxt)
    ctxt.addSerializers(SortedObjectSerializerResolver)
  }
} 

//设置package包名称以及导入依赖的类
package com.amarjanica.discourse.util

import java.time._
import com.fasterxml.jackson.core.{JsonParser, JsonGenerator}
import com.fasterxml.jackson.databind._
import com.fasterxml.jackson.databind.DeserializationFeature._
import com.fasterxml.jackson.databind.module.SimpleModule
import com.fasterxml.jackson.module.scala.DefaultScalaModule

object Json {
  private val jtstampSerializer = new JsonSerializer[java.time.OffsetDateTime] {
    override def serialize(value: java.time.OffsetDateTime, generator: JsonGenerator, x: SerializerProvider) =
      generator.writeString(value.toString())
  }
  private val jtstampDeserializer = new JsonDeserializer[java.time.OffsetDateTime] {
    override def deserialize(parser: JsonParser, context: DeserializationContext) =
      OffsetDateTime.parse(parser.getValueAsString)
  }
  val timeModule = new SimpleModule()
    .addSerializer(classOf[java.time.OffsetDateTime], jtstampSerializer)
    .addDeserializer(classOf[java.time.OffsetDateTime], jtstampDeserializer)
  val mapper = {
    val o = new ObjectMapper()
    o.registerModule(DefaultScalaModule)
    o.registerModule(timeModule)
    o.configure(FAIL_ON_UNKNOWN_PROPERTIES, false)
    o
  }

} 

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

import java.time.LocalDate
import java.time.format.DateTimeFormatter

import com.fasterxml.jackson.core.JsonGenerator
import com.fasterxml.jackson.databind.module.SimpleModule
import com.fasterxml.jackson.databind.{JsonSerializer, SerializerProvider}
import com.twitter.finatra.json.modules.FinatraJacksonModule
import org.bson.types.ObjectId

private class LocalDateSerializer extends JsonSerializer[LocalDate] {
  override def serialize(value: LocalDate, gen: JsonGenerator, serializers: SerializerProvider): Unit = {
    gen.writeString(value.format(DateTimeFormatter.ISO_DATE))
  }
}

private class ObjectIdSerializer extends JsonSerializer[ObjectId] {
  override def serialize(value: ObjectId, gen: JsonGenerator, serializers: SerializerProvider): Unit = {
    gen.writeString(value.toHexString)
  }
}

object BuysomegamesJacksonModule extends FinatraJacksonModule {
  override val additionalJacksonModules = Seq(
    new SimpleModule {
      addSerializer(classOf[LocalDate], new LocalDateSerializer)
    },
    new SimpleModule {
      addSerializer(classOf[ObjectId], new ObjectIdSerializer)
    }
  )
} 

//设置package包名称以及导入依赖的类
package io.buoyant.namerd

import com.fasterxml.jackson.core.{JsonGenerator, JsonParser}
import com.fasterxml.jackson.databind.{DeserializationContext, JsonDeserializer, JsonSerializer, SerializerProvider}
import com.fasterxml.jackson.databind.module.SimpleModule
import com.twitter.finagle.{Dentry, NameTree, Path}

object DtabCodec {
  def module = {
    val module = new SimpleModule

    module.addSerializer(classOf[Path], new JsonSerializer[Path] {
      override def serialize(path: Path, json: JsonGenerator, p: SerializerProvider): Unit =
        json.writeString(path.show)
    })
    module.addDeserializer(classOf[Path], new JsonDeserializer[Path] {
      override def deserialize(json: JsonParser, ctx: DeserializationContext) =
        Path.read(json.getValueAsString)
    })

    module.addSerializer(classOf[Dentry.Prefix], new JsonSerializer[Dentry.Prefix] {
      override def serialize(pfx: Dentry.Prefix, json: JsonGenerator, p: SerializerProvider) {
        json.writeString(pfx.show)
      }
    })
    module.addDeserializer(classOf[Dentry.Prefix], new JsonDeserializer[Dentry.Prefix] {
      override def deserialize(json: JsonParser, ctx: DeserializationContext) =
        Dentry.Prefix.read(json.getValueAsString)
    })

    module.addSerializer(classOf[NameTree[Path]], new JsonSerializer[NameTree[Path]] {
      override def serialize(
        nameTree: NameTree[Path],
        json: JsonGenerator,
        p: SerializerProvider
      ): Unit = json.writeString(nameTree.show)
    })

    module.addDeserializer(classOf[NameTree[Path]], new JsonDeserializer[NameTree[Path]] {
      override def deserialize(json: JsonParser, ctx: DeserializationContext) =
        NameTree.read(json.getValueAsString)
    })

    module
  }
} 

//设置package包名称以及导入依赖的类
package io.buoyant.config.types

import com.fasterxml.jackson.core.{JsonGenerator, JsonParser}
import com.fasterxml.jackson.databind.{DeserializationContext, SerializerProvider}
import com.twitter.finagle.thrift.Protocols
import io.buoyant.config.{ConfigDeserializer, ConfigSerializer}
import org.apache.thrift.protocol.{TCompactProtocol, TProtocolFactory}

sealed trait ThriftProtocol {
  def factory: TProtocolFactory
  def name: String
}
object ThriftProtocol {
  object Binary extends ThriftProtocol {
    def factory = Protocols.binaryFactory()
    val name = "binary"
  }
  object Compact extends ThriftProtocol {
    def factory = new TCompactProtocol.Factory
    val name = "compact"
  }
}

class ThriftProtocolDeserializer extends ConfigDeserializer[ThriftProtocol] {
  override def deserialize(jp: JsonParser, ctxt: DeserializationContext): ThriftProtocol =
    catchMappingException(ctxt) {
      _parseString(jp, ctxt) match {
        case "binary" => ThriftProtocol.Binary
        case "compact" => ThriftProtocol.Compact
        case protocol =>
          throw new IllegalArgumentException(s"unsupported thrift protocol $protocol")
      }
    }
}

class ThriftProtocolSerializer extends ConfigSerializer[ThriftProtocol] {
  override def serialize(
    value: ThriftProtocol,
    jgen: JsonGenerator,
    provider: SerializerProvider
  ): Unit = jgen.writeString(value.name)
} 

//设置package包名称以及导入依赖的类
package io.buoyant.config.types

import com.fasterxml.jackson.core.{JsonGenerator, JsonParser}
import com.fasterxml.jackson.databind.{SerializerProvider, DeserializationContext}
import com.twitter.finagle.Path
import io.buoyant.config.{ConfigSerializer, ConfigDeserializer}

class PathDeserializer extends ConfigDeserializer[Path] {
  override def deserialize(jp: JsonParser, ctxt: DeserializationContext): Path =
    catchMappingException(ctxt) {
      Path.read(_parseString(jp, ctxt))
    }
}

class PathSerializer extends ConfigSerializer[Path] {
  override def serialize(
    value: Path,
    jgen: JsonGenerator,
    provider: SerializerProvider
  ): Unit = jgen.writeString(value.show)
} 

//设置package包名称以及导入依赖的类
package io.buoyant.config.types

import com.fasterxml.jackson.core.{JsonGenerator, JsonParser}
import com.fasterxml.jackson.databind.{SerializerProvider, DeserializationContext}
import com.google.common.net.InetAddresses
import io.buoyant.config.{ConfigSerializer, ConfigDeserializer}
import java.net.InetAddress

class InetAddressDeserializer extends ConfigDeserializer[InetAddress] {
  override def deserialize(jp: JsonParser, ctxt: DeserializationContext): InetAddress =
    catchMappingException(ctxt) {
      InetAddresses.forString(_parseString(jp, ctxt))
    }
}

class InetAddressSerializer extends ConfigSerializer[InetAddress] {
  override def serialize(
    value: InetAddress,
    jgen: JsonGenerator,
    provider: SerializerProvider
  ): Unit = jgen.writeString(value.getHostName)
} 

//设置package包名称以及导入依赖的类
package io.buoyant.config.types

import com.fasterxml.jackson.core.{JsonGenerator, JsonParser}
import com.fasterxml.jackson.databind.{SerializerProvider, DeserializationContext}
import io.buoyant.config.{ConfigSerializer, ConfigDeserializer}
import java.nio.file.Paths

case class Directory(path: java.nio.file.Path) {
  require(path.toFile.isDirectory, s"$path is not a directory")
}

class DirectoryDeserializer extends ConfigDeserializer[Directory] {
  override def deserialize(jp: JsonParser, ctxt: DeserializationContext): Directory =
    catchMappingException(ctxt) {
      Directory(Paths.get(_parseString(jp, ctxt)))
    }
}

class DirectorySerializer extends ConfigSerializer[Directory] {
  override def serialize(
    value: Directory,
    jgen: JsonGenerator,
    provider: SerializerProvider
  ): Unit = jgen.writeString(value.path.toString)
} 

//设置package包名称以及导入依赖的类
package io.buoyant.config.types

import com.fasterxml.jackson.core.{JsonGenerator, JsonParser}
import com.fasterxml.jackson.databind.{SerializerProvider, DeserializationContext}
import io.buoyant.config.{ConfigSerializer, ConfigDeserializer}

case class Port(port: Int) {
  val MinValue = 0
  val MaxValue = math.pow(2, 16) - 1
  require((MinValue <= port) && (port <= MaxValue), s"$port outside valid range for ports")
}

class PortDeserializer extends ConfigDeserializer[Port] {
  override def deserialize(jp: JsonParser, ctxt: DeserializationContext): Port =
    catchMappingException(ctxt) {
      Port(_parseInteger(jp, ctxt))
    }
}

class PortSerializer extends ConfigSerializer[Port] {
  override def serialize(
    value: Port,
    jgen: JsonGenerator,
    provider: SerializerProvider
  ): Unit = jgen.writeNumber(value.port)
} 

//设置package包名称以及导入依赖的类
package io.buoyant.config.types

import com.fasterxml.jackson.core.{JsonGenerator, JsonParser}
import com.fasterxml.jackson.databind.{SerializerProvider, DeserializationContext}
import com.twitter.logging.Level
import io.buoyant.config.{ConfigSerializer, ConfigDeserializer}

class LogLevelDeserializer extends ConfigDeserializer[Level] {

  override def deserialize(jp: JsonParser, ctxt: DeserializationContext): Level =
    catchMappingException(ctxt) {
      val lname = _parseString(jp, ctxt)
      Level.parse(lname.toUpperCase).getOrElse {
        throw new IllegalArgumentException(s"Illegal log level: $lname")
      }
    }
}

class LogLevelSerializer extends ConfigSerializer[Level] {
  override def serialize(
    level: Level,
    jgen: JsonGenerator,
    provider: SerializerProvider
  ): Unit = jgen.writeString(level.name)
} 

//设置package包名称以及导入依赖的类
package io.buoyant.config.types

import com.fasterxml.jackson.core.{JsonGenerator, JsonParser}
import com.fasterxml.jackson.databind.{SerializerProvider, DeserializationContext}
import com.twitter.finagle.Dtab
import io.buoyant.config.{ConfigSerializer, ConfigDeserializer}

class DtabDeserializer extends ConfigDeserializer[Dtab] {
  override def deserialize(parser: JsonParser, ctx: DeserializationContext): Dtab =
    catchMappingException(ctx) {
      Dtab.read(_parseString(parser, ctx))
    }
}

class DtabSerializer extends ConfigSerializer[Dtab] {
  override def serialize(
    value: Dtab,
    jgen: JsonGenerator,
    provider: SerializerProvider
  ): Unit = jgen.writeString(value.show)
} 

//设置package包名称以及导入依赖的类
package io.buoyant.config.types

import com.fasterxml.jackson.core.{JsonGenerator, JsonParser}
import com.fasterxml.jackson.databind.{SerializerProvider, DeserializationContext}
import io.buoyant.config.{ConfigSerializer, ConfigDeserializer}
import java.nio.file.Paths

case class File(path: java.nio.file.Path) {
  require(path.toFile.isFile, s"$path is not a file")
}

class FileDeserializer extends ConfigDeserializer[File] {
  override def deserialize(jp: JsonParser, ctxt: DeserializationContext): File =
    catchMappingException(ctxt) {
      File(Paths.get(_parseString(jp, ctxt)))
    }
}

class FileSerializer extends ConfigSerializer[File] {
  override def serialize(
    value: File,
    jgen: JsonGenerator,
    provider: SerializerProvider
  ): Unit = jgen.writeString(value.path.toString)
}