Scala Type类代码示例

//设置package包名称以及导入依赖的类
package works.weave.socks.aws.orders.dataaccess.web

import com.amazonaws.util.IOUtils
import com.fasterxml.jackson.core.`type`.TypeReference
import java.lang.reflect.ParameterizedType
import java.lang.reflect.Type
import java.net.URI
import javax.xml.ws.http.HTTPException
import org.apache.http.client.methods.HttpGet
import org.apache.http.impl.client.HttpClientBuilder
import org.slf4j.LoggerFactory
import works.weave.socks.aws.orders.ProjectDefaultJacksonMapper

object JSONHTTP {

  val Log = LoggerFactory.getLogger(getClass)

  val objectMapper = ProjectDefaultJacksonMapper.build() // after (_.bla)

  def get[T : Manifest : NotNothing](uri : URI) : T = {
    val client = HttpClientBuilder.create.build
    val get = new HttpGet(uri)
    get.addHeader("Accept", "application/json")
    val response = client.execute(get)
    val responseString = IOUtils.toString(response.getEntity.getContent)
    Log.info(s"Got status ${response.getStatusLine.getStatusCode}")
    if (response.getStatusLine.getStatusCode == 200) {
      Log.info(s"Got response from URI $uri: $responseString")
      objectMapper.readValue(responseString, typeReference[T])
    } else {
      throw new HTTPException(response.getStatusLine.getStatusCode)
    }
  }

  def typeReference[T : Manifest] = new TypeReference[T] {
    override def getType = typeFromManifest(manifest[T])
  }

  def typeFromManifest(m : Manifest[_]) : Type = {
    if (m.typeArguments.isEmpty) { m.runtimeClass }
    else new ParameterizedType {
      def getRawType = m.runtimeClass
      def getActualTypeArguments = m.typeArguments.map(typeFromManifest).toArray
      def getOwnerType = null
    }
  }

  // Trick to disable nothign for type param
  sealed trait NotNothing[-T]

  object NotNothing {
    implicit object notNothing extends NotNothing[Any]
    implicit object `The error is because the missing type parameter was resolved to Nothing` extends NotNothing[Nothing]
  }

} 

//设置package包名称以及导入依赖的类
package info.unterstein.akka.persistence.api

import com.google.gson._
import java.lang.reflect.Type

import com.google.gson.reflect.TypeToken
import org.slf4j.LoggerFactory

import scala.collection.JavaConverters._


case class PersistentActorMessage(messageType: String, scheduleDate: Long, originalMessage: Map[String, String])

object PersistentActorMessage {

  private val mapToken = new TypeToken[java.util.Map[String, String]](){}.getType

  private val log = LoggerFactory.getLogger(PersistentActorMessage.getClass)

  private val gson = new GsonBuilder()
    .registerTypeAdapter(classOf[Map[String, String]], new MapSerializer())
    .create()

  private class MapSerializer extends JsonSerializer[Map[String, String]] with JsonDeserializer[Map[String, String]] {

    override def serialize(src: Map[String, String], typeOfSrc: Type, context: JsonSerializationContext): JsonElement = {
      gson.toJsonTree(src.asJava)
    }

    override def deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Map[String, String] = {
      val result: java.util.Map[String, String] = gson.fromJson(json, mapToken)
      result.asScala.toMap
    }
  }

  def jsonToMap(json: String): Map[String, String] = {
    try {
      val result: java.util.Map[String, String] = gson.fromJson(json, mapToken)
      result.asScala.toMap
    } catch {
      case o_O: Exception =>
        log.error("Deserialization failed for " + json, o_O)
        throw new RuntimeException("Deserialization failed!", o_O)
    }
  }

  def mapToJson(map: Map[String, String]): String = gson.toJson(map.asJava)
} 

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

import com.fasterxml.jackson.core.`type`.TypeReference
import com.fasterxml.jackson.databind._

case class JacksonSupport(json: JsonNode) extends Reader with ReaderSupport[JsonNode] {
  def isNull: (JsonNode) => Boolean = _.isNull
  def ctor: (JsonNode) => JacksonSupport = JacksonSupport.apply

  def get(field: String): Option[JsonNode] = {
    val node = json.findPath(field)
    if (node.isMissingNode) None else Some(node)
  }

  override def opt[T: Reads](field: String): Option[T] = {
    val r = implicitly[Reads[T]].asInstanceOf[JacksonSupport.JacksonReads[T]]
    get(field) map {x => r.mapper.readerFor(r.typeReference).readValue[T](x)}
  }

  override def optOpt[T: Reads](field: String): Option[Option[T]] = {
    val r = implicitly[Reads[T]].asInstanceOf[JacksonSupport.JacksonReads[T]]
    getOpt(field) map {_ map {x => r.mapper.readerFor(r.typeReference).readValue[T](x)}}
  }
}

object JacksonSupport {
  import java.lang.reflect.{Type, ParameterizedType}

  sealed trait JacksonReads[T] extends Reads[T] {
    def mapper: ObjectMapper
    def typeReference: TypeReference[T]
  }

  implicit def readsImpl[T](implicit x: ObjectMapper, m: Manifest[T]): Reads[T] = new JacksonReads[T]() {
    override def mapper: ObjectMapper = x
    override lazy val typeReference: TypeReference[T] = {
      def typeFromManifest(m: Manifest[_]): Type = {
        if (m.typeArguments.isEmpty) m.runtimeClass
        else new ParameterizedType {
          def getRawType: Class[_] = m.runtimeClass
          def getActualTypeArguments: Array[Type] = m.typeArguments.map(typeFromManifest).toArray
          def getOwnerType = null
        }
      }
      new TypeReference[T] {
        override def getType: Type = typeFromManifest(manifest[T])
      }
    }
  }
} 

//设置package包名称以及导入依赖的类
package io.skysail.core.model

import java.lang.reflect.Field
import java.lang.reflect.Type
import java.util.Collection
import io.skysail.core.restlet.utils.ScalaReflectionUtils

case class FieldModel(val f: java.lang.reflect.Field) {
  
  require(f != null, "you must provide a non-null field to construct a FieldModel")

  val name = f.getName
  
  //def getInputType(): String = f.getAnnotation(classOf[io.skysail.core.html.Field]).inputType().name();

  def isMandatory(): Boolean = {
    val notNullAnnotation = f.getAnnotation(classOf[javax.validation.constraints.NotNull]);
    if (notNullAnnotation != null) {
      return true;
    }
    val sizeAnnotation = f.getAnnotation(classOf[javax.validation.constraints.Size]);
    if (sizeAnnotation != null) {
      if (sizeAnnotation.min() > 0) {
        return true;
      }
    }
    return false;
  }
  
  //override def toString() = s"""${this.getClass.getSimpleName}(inputType: $getInputType, mandatory: $isMandatory)"""

  private def getEntityType() = {
    if (classOf[Collection[_]].isAssignableFrom(f.getType())) 
      ScalaReflectionUtils.getParameterizedType(f);
    else
      null
  }
} 

//设置package包名称以及导入依赖的类
package de.randombyte.nightmare_ai.config

import java.lang.reflect.Type
import java.util.function.Supplier

import com.google.gson._
import org.spongepowered.api.{CatalogType, GameRegistry}


class CatalogTypeDeSerializer[T <: CatalogType](registry: GameRegistry, classOfT: Class[T])
  extends JsonDeserializer[T] with JsonSerializer[T] {
  override def deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): T = {
    registry.getType[T](classOfT, json.getAsString).orElseThrow(new Supplier[JsonParseException] {
      override def get(): JsonParseException =
        new JsonParseException(s"Couldn't find '${json.getAsString}' in GameRegistry")
    })
  }

  override def serialize(catalogType: T, typeOfSrc: Type, context: JsonSerializationContext): JsonElement =
    new JsonPrimitive(catalogType.getId)
} 

//设置package包名称以及导入依赖的类
package com.lightbend.lagom.internal.javadsl.api

import java.lang.reflect.{ ParameterizedType, Type }
import java.util.Optional

import com.lightbend.lagom.javadsl.api.deser.{ PathParamSerializer, PathParamSerializers }
import org.pcollections.{ PSequence, TreePVector }

import scala.compat.java8.FunctionConverters._

trait UnresolvedPathParamSerializer[Param] extends PathParamSerializer[Param] {
  def serialize(parameter: Param) = throw new NotImplementedError("Cannot use unresolved path param serializer to serialize path params")

  def deserialize(parameters: PSequence[String]) = throw new NotImplementedError("Cannot use unresolved path param serializer to deserialize path params")

  def resolve(resolver: ServiceCallResolver, typeInfo: Type): PathParamSerializer[Param]
}

class UnresolvedTypePathParamSerializer[Param] extends UnresolvedPathParamSerializer[Param] {
  override def resolve(resolver: ServiceCallResolver, typeInfo: Type): PathParamSerializer[Param] = {
    resolver.pathParamSerializerFor(typeInfo, typeInfo)
  }
}

class UnresolvedOptionalPathParamSerializer[Param] extends UnresolvedPathParamSerializer[Optional[Param]] {
  override def resolve(resolver: ServiceCallResolver, typeInfo: Type): PathParamSerializer[Optional[Param]] = {
    typeInfo match {
      case paramType: ParameterizedType if paramType.getRawType == classOf[Optional[_]] =>
        val wrappedType = paramType.getActualTypeArguments.apply(0)
        val subTypeSerializer = resolver.pathParamSerializerFor[Param](wrappedType, wrappedType)
        PathParamSerializers.optional[Param](
          wrappedType.getTypeName,
          (subTypeSerializer.deserialize _).compose((p: String) => TreePVector.singleton(p)).asJava,
          (subTypeSerializer.serialize _).andThen {
          case single if single.size() == 1 => single.get(0)
          case other                        => throw new IllegalStateException("Can only wrap an Optional serializer around a path param serializer that produces exactly one parameter")
        }.asJava
        )
      case _ => throw new IllegalArgumentException("Unresolved optional path param serializer can only be resolved against ParamaterizedType descriptors for the Optional class. This serializer was resolved against: " + typeInfo)
    }
  }
} 

//设置package包名称以及导入依赖的类
package com.kakao.shaded.jackson.module.scala.modifiers

import java.lang.reflect.Type

import com.kakao.shaded.jackson.databind.JavaType
import com.kakao.shaded.jackson.databind.`type`.{ReferenceType, TypeFactory, TypeBindings, TypeModifier}
import com.kakao.shaded.jackson.module.scala.JacksonModule

private object EitherTypeModifier extends TypeModifier with GenTypeModifier {
  val EITHER = classOf[Either[AnyRef, AnyRef]]

  override def modifyType(typ: JavaType, jdkType: Type, context: TypeBindings, typeFactory: TypeFactory): JavaType = {
    if (typ.isReferenceType || typ.isContainerType) typ

    if (classObjectFor(jdkType).exists(EITHER.isAssignableFrom)) {
      ReferenceType.upgradeFrom(typ, typ)
    } else typ
  }
}

trait EitherTypeModifierModule extends JacksonModule {
  this += EitherTypeModifier
} 

//设置package包名称以及导入依赖的类
package com.kakao.shaded.jackson.module.scala.modifiers

import java.lang.reflect.Type

import com.kakao.shaded.jackson.databind.JavaType
import com.kakao.shaded.jackson.databind.`type`.{ReferenceType, TypeBindings, TypeFactory, TypeModifier}
import com.kakao.shaded.jackson.module.scala.JacksonModule

private object OptionTypeModifier extends TypeModifier with GenTypeModifier {
  val OPTION = classOf[Option[AnyRef]]

  override def modifyType(typ: JavaType, jdkType: Type, context: TypeBindings, typeFactory: TypeFactory): JavaType = {
    if (typ.isReferenceType || typ.isContainerType) return typ

    if (classObjectFor(jdkType).exists(OPTION.isAssignableFrom)) {
      ReferenceType.upgradeFrom(typ, typ.containedTypeOrUnknown(0))
    } else typ
  }
}

trait OptionTypeModifierModule extends JacksonModule {
  this += OptionTypeModifier
} 

//设置package包名称以及导入依赖的类
package cz.augi.gsonscala

import java.lang.reflect.Type
import java.time.Duration

import com.google.gson.{JsonDeserializationContext, _}

object DurationAsMillisConverter  extends JsonSerializer[Duration] with JsonDeserializer[Duration] {
  override def serialize(src: Duration, typeOfSrc: Type, context: JsonSerializationContext): JsonElement = new JsonPrimitive(src.toMillis)
  override def deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Duration = Duration.ofMillis(json.getAsLong)
}

object DurationAsSecondsConverter  extends JsonSerializer[Duration] with JsonDeserializer[Duration] {
  override def serialize(src: Duration, typeOfSrc: Type, context: JsonSerializationContext): JsonElement = new JsonPrimitive(src.getSeconds)
  override def deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Duration = Duration.ofSeconds(json.getAsLong)
}

object DurationAsStringConverter extends JsonSerializer[Duration] with JsonDeserializer[Duration] {
  override def serialize(src: Duration, typeOfSrc: Type, context: JsonSerializationContext): JsonElement = new JsonPrimitive(src.toString)
  override def deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Duration = Duration.parse(json.getAsString)
} 

//设置package包名称以及导入依赖的类
package cz.augi.gsonscala

import java.lang.reflect.Type
import java.time.Instant
import java.time.format.DateTimeFormatter

import com.google.gson.{JsonDeserializationContext, _}

object InstantAsUnixSecondsConverter extends JsonSerializer[Instant] with JsonDeserializer[Instant] {
  def serialize(src: Instant, typeOfSrc: Type, context: JsonSerializationContext): JsonElement = new JsonPrimitive(src.getEpochSecond)
  def deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Instant = Instant.ofEpochSecond(json.getAsLong)
}

object InstantAsUnixMillisConverter extends JsonSerializer[Instant] with JsonDeserializer[Instant] {
  def serialize(src: Instant, typeOfSrc: Type, context: JsonSerializationContext): JsonElement = new JsonPrimitive(src.toEpochMilli)
  def deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Instant = Instant.ofEpochMilli(json.getAsLong)
}

object InstantAsStringConverter extends JsonSerializer[Instant] with JsonDeserializer[Instant] {
  def serialize(src: Instant, typeOfSrc: Type, context: JsonSerializationContext): JsonElement = new JsonPrimitive(DateTimeFormatter.ISO_INSTANT.format(src))
  def deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Instant = Instant.from(DateTimeFormatter.ISO_INSTANT.parse(json.getAsString))
} 

//设置package包名称以及导入依赖的类
package cz.augi.gsonscala

import java.lang.reflect.Type
import java.util.concurrent.TimeUnit

import com.google.gson.{JsonDeserializationContext, _}

import scala.concurrent.duration.Duration

object ScalaDurationAsMillisConverter  extends JsonSerializer[Duration] with JsonDeserializer[Duration] {
  override def serialize(src: Duration, typeOfSrc: Type, context: JsonSerializationContext): JsonElement = new JsonPrimitive(src.toMillis)
  override def deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Duration = Duration(json.getAsLong, TimeUnit.MILLISECONDS)
}

object ScalaDurationAsSecondsConverter  extends JsonSerializer[Duration] with JsonDeserializer[Duration] {
  override def serialize(src: Duration, typeOfSrc: Type, context: JsonSerializationContext): JsonElement = new JsonPrimitive(src.toSeconds)
  override def deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Duration = Duration(json.getAsLong, TimeUnit.SECONDS)
}

object ScalaDurationAsStringConverter extends JsonSerializer[Duration] with JsonDeserializer[Duration] {
  override def serialize(src: Duration, typeOfSrc: Type, context: JsonSerializationContext): JsonElement = new JsonPrimitive(src.toString)
  override def deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Duration = Duration(json.getAsString)
}