Scala SerializationFeature类代码示例

//设置package包名称以及导入依赖的类
package db

import java.util.{Date, UUID}

import com.fasterxml.jackson.databind.{SerializationFeature, ObjectMapper}
import com.fasterxml.jackson.module.scala.DefaultScalaModule
import com.fasterxml.jackson.module.scala.experimental.ScalaObjectMapper
import tools._
import common._
import Tool._

class BaseBDBEntity[+Self <: BaseBDBEntity[Self]](tableName: String) extends BDBEntity(tableName) {
  def toJson: String = {
    BaseBDBEntity.map.writeValueAsString(this)
  }

  def fromJson(json: String): Self = {
    BaseBDBEntity.map.readValue(json, this.getClass).asInstanceOf[Self]
  }

  //????????????
  def changeUpdateBean(): Self = {
    fromJson(toJson)
  }

  override def queryById(id: String, fields: String*): Option[Self] = {
    super.queryById(id,fields:_*) map (_.asInstanceOf[Self])
  }
  override def queryByIds(idName: String, ids: List[Long], fields: String*): List[Self] = {
    super.queryByIds(idName,ids,fields:_*) map (_.asInstanceOf[Self])
  }

  //????????????
  override def queryPage(where: String, pageNum: Int, pageSize: Int, fields: String*):List[Self] = {
    val  list = super.queryPage(where, pageNum, pageSize,fields: _*)
     list map (_.asInstanceOf[Self])
  }

}

object BaseBDBEntity {
  private val map = new ObjectMapper() with ScalaObjectMapper
  map.registerModule(DefaultScalaModule)
  map.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false)
}

//??????
class LoanData(val id:String=UUID.randomUUID().toString,val Title:String="",val text:String="",val createTime:Date=new Date())extends BaseBDBEntity[LoanData]("LoanData") 

//设置package包名称以及导入依赖的类
package de.stema.util

import javax.inject.Singleton

import com.fasterxml.jackson.annotation.JsonInclude
import com.fasterxml.jackson.databind.{DeserializationFeature, ObjectMapper, SerializationFeature}
import com.fasterxml.jackson.module.scala.DefaultScalaModule
import com.fasterxml.jackson.module.scala.experimental.ScalaObjectMapper
import de.stema.pullrequests.dto.PullRequestDTO

import scala.reflect.ClassTag
import scala.util.{Failure, Success, Try}

@Singleton
class JsonObjectMapper {
  private lazy val mapper = new ObjectMapper with ScalaObjectMapper
  mapper.registerModule(DefaultScalaModule)
  mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
  mapper.configure(SerializationFeature.INDENT_OUTPUT, true)
  mapper.setSerializationInclusion(JsonInclude.Include.NON_EMPTY)
  mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)

  def getInstance[T](json: String)(implicit ct: ClassTag[T]): T =
    Try {
      mapper.readValue(json, ct.runtimeClass).asInstanceOf[T]
    } match {
      case Success(instance) => instance
      case Failure(e) => throw new IllegalStateException(s"Error during parsing of '$json'", e)
    }

  def getInstances[T](json: String)(implicit ct: ClassTag[T]): Seq[PullRequestDTO] =
    Try {
      mapper.readValue[Seq[PullRequestDTO]](json)
    } match {
      case Success(instances) => instances
      case Failure(e) => throw new IllegalStateException(s"Error during parsing of '$json'", e)
    }
} 

//设置package包名称以及导入依赖的类
package command
import java.nio.file.{Files, Path, Paths}

import com.fasterxml.jackson.databind.SerializationFeature
import command.GetCommand.JsRecord
import core.storage.{ReadOnlyBigStorage, RealDirectory, Storage}
import org.slf4j.Logger
import utils.Js

import scala.collection.mutable.ArrayBuffer

case class GetCommand() extends Command {
  override def isVerbose: Boolean = false

  
  override def run(log: Logger, params: Array[String]): Unit = {
    if (params.length < 3) {
      exitError("Usage1: get <db-dir> <table-name> <record-id>\n" +
        "Usage2: get <base-db-dir> <table-name> <record-id> <year> [more-years...] ")
    }

    val baseDbDir = Paths.get(params(0))
    val tableName = params(1)
    val recordId = params(2).toInt

    val dbDirs: Seq[Path] =
      if (params.length > 3) {
        val years: Array[String] = params.drop(3)
        years.map(baseDbDir.resolve)
      } else Seq(baseDbDir)

    val mapper = Js.newMapper.configure(SerializationFeature.INDENT_OUTPUT, true)
    var records = new ArrayBuffer[JsRecord]()
    for (dbDir <- dbDirs) {
      if (!Files.isDirectory(dbDir)) exitError("No database in dir " + dbDir.toAbsolutePath)
      val big = new ReadOnlyBigStorage(new RealDirectory(dbDir))
      if (big.storages.isEmpty) exitError("No database in dir " + dbDir.toAbsolutePath)

      records ++= big.getRecords(tableName, recordId).map {r =>
        JsRecord(timestamp = r.timestamp, tableName = r.tableName, id = r.id, data = new Predef.String(r.data, Storage.Charset))
      }
      big.close()
    }
    println(mapper.writeValueAsString(records.sortBy(_.timestamp)))
  }
}


object GetCommand {
  case class JsRecord(timestamp: Long, tableName: String, id: Int, data: String)
} 

//设置package包名称以及导入依赖的类
package com.skn.common.view

import java.time.LocalDateTime

import com.fasterxml.jackson.databind.SerializationFeature
import com.skn.api.view.jsonapi.{JsonApiJacksonFormat, JsonApiMapper}
import com.skn.api.view.jsonapi.JsonApiModel.{ObjectKey, RootObject}
import com.skn.api.view.model.ViewLink
import com.skn.api.view.model.mapper.ReadFeatures.AbsentValueAsNull
import com.skn.api.view.model.mapper._
import com.typesafe.scalalogging._
import org.scalatest.{FlatSpec, Matchers}
import org.slf4j.LoggerFactory

class BaseUnitTest extends FlatSpec with Matchers
{
  protected val logger = Logger(LoggerFactory.getLogger(classOf[BaseUnitTest]))
  protected val mapper = new JsonApiMapper

  def mappers = new {
    val jacksonMapper = JsonApiJacksonFormat.createMapper()
    jacksonMapper.enable(SerializationFeature.INDENT_OUTPUT)
    val viewWriter = new DefaultViewWriter(new SimpleLinkDefiner)
    val viewReader = new DefaultViewReader(Map[ReadFeatures, Boolean](AbsentValueAsNull() -> true))
    val jsonViewWriter = new JsonApiViewWriter(viewWriter, root => jacksonMapper.writeValueAsString(root))
    val jsonViewReader = new JsonApiViewReader(viewReader, json => jacksonMapper.readValue(json, classOf[RootObject]))
  }

  def data = new {
    val itemName = "Js string value"

    val item = createNewItem()
    val itemData = mappers.viewWriter.write(item)
    val itemDataStr = mappers.jsonViewWriter.write(item)
    val itemWithNull = TestSimple(ObjectKey("fg", 0), null, 1)

    def createNewItem() = TestView(itemName,
      5, new Home("TH"), Some(0L),
      Some(new ViewLink(TestLink(1L, Some(LocalDateTime.now())))),
      Some(CustomObject(Some("customName"), 34423, Some(List(3.4, 4.5)))))
  }
} 

//设置package包名称以及导入依赖的类
package jesse.lee.util

import com.fasterxml.jackson.databind.SerializationFeature


object JSON {
  import com.fasterxml.jackson.databind.{DeserializationFeature, ObjectMapper}
  import com.fasterxml.jackson.module.scala.DefaultScalaModule
  import com.fasterxml.jackson.module.scala.experimental.ScalaObjectMapper

  private val mapper = new ObjectMapper() with ScalaObjectMapper
  mapper.registerModule(DefaultScalaModule)
  mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
  mapper.configure(SerializationFeature.FAIL_ON_UNWRAPPED_TYPE_IDENTIFIERS, false)
  mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false)

  def read[T](text: String)(implicit m: Manifest[T]): Option[T] = {
    try {
      Some(mapper.readValue[T](text))
    } catch {
      case e: Throwable => None
    }
  }

  def write(item: AnyRef): String = {
    mapper.writeValueAsString(item)
  }
} 

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

import com.fasterxml.jackson.annotation.JsonAutoDetect
import com.fasterxml.jackson.annotation.JsonInclude
import com.fasterxml.jackson.annotation.PropertyAccessor
import com.fasterxml.jackson.databind.DeserializationFeature
import com.fasterxml.jackson.databind.ObjectMapper
import com.fasterxml.jackson.databind.SerializationFeature
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
import com.fasterxml.jackson.module.scala.DefaultScalaModule

object ProjectDefaultJacksonMapper {
  def build() : ObjectMapper = {
    val mapper = new ObjectMapper()

    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
    mapper.setSerializationInclusion(JsonInclude.Include.ALWAYS)
    mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY)
    mapper.enable(SerializationFeature.INDENT_OUTPUT)
    mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)

    val javaTime : JavaTimeModule = new JavaTimeModule
    mapper.registerModule(javaTime)

    val scalaModule = new DefaultScalaModule()
    mapper.registerModule(scalaModule)

    mapper
  }
} 

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

import com.fasterxml.jackson.databind.{SerializationFeature, ObjectMapper}
import com.fasterxml.jackson.module.scala.DefaultScalaModule
import org.springframework.context.annotation.{Bean, Configuration}
import org.springframework.http.converter.StringHttpMessageConverter
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter
import org.springframework.web.client.RestTemplate

import scala.collection.JavaConversions._

@Configuration
private class AppConfig {
  @Bean
  def objectMapper(): ObjectMapper = {
    val om = new ObjectMapper()
    om.registerModule(DefaultScalaModule)
    om.enable(SerializationFeature.INDENT_OUTPUT)
    om
  }

  @Bean
  def restTemplate(jacksonMessageConverter: MappingJackson2HttpMessageConverter): RestTemplate = {
    val restTemplate = new RestTemplate()
    restTemplate.setMessageConverters(List(jacksonMessageConverter, new StringHttpMessageConverter))
    restTemplate
  }

  @Bean
  def jacksonMessageConverter(objectMapper: ObjectMapper) = new MappingJackson2HttpMessageConverter(objectMapper)
} 

//设置package包名称以及导入依赖的类
package teleporter.integration.utils

import com.fasterxml.jackson.annotation.JsonInclude
import com.fasterxml.jackson.databind.{DeserializationFeature, ObjectMapper, SerializationFeature}
import com.fasterxml.jackson.module.scala.DefaultScalaModule
import com.fasterxml.jackson.module.scala.experimental.ScalaObjectMapper


object Jackson {
  val mapper = new ObjectMapper() with ScalaObjectMapper
  mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL)
    .disable(SerializationFeature.FAIL_ON_EMPTY_BEANS)
    .disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
    .registerModule(DefaultScalaModule)

  implicit def toStr[T <: AnyRef](o: T): String = {
    mapper.writeValueAsString(o)
  }
} 

//设置package包名称以及导入依赖的类
package teleporter.integration.component.mongo

import java.util.Date

import com.fasterxml.jackson.annotation.JsonInclude
import com.fasterxml.jackson.databind.{DeserializationFeature, ObjectMapper, SerializationFeature}
import com.fasterxml.jackson.module.scala.DefaultScalaModule
import com.fasterxml.jackson.module.scala.experimental.ScalaObjectMapper
import org.bson.json.{JsonMode, JsonWriterSettings}
import org.mongodb.scala.bson._
import org.scalatest.FunSuite


//case class Person(id: Long, name: String, birth: Date)

class MongoComponent$Test extends FunSuite {
  test("bson to json") {
    val mapper = new ObjectMapper() with ScalaObjectMapper
    mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL)
    mapper.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS)
    mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
    mapper.registerModule(new Bson2JsonModule)
    mapper.registerModule(DefaultScalaModule)
    val bsonDoc = BsonDocument(
      "id" ? BsonObjectId(),
      "string" ? BsonString("aa"),
      "int" ? BsonInt32(3434),
      "long" ? BsonInt64(43343L),
      "double" ? BsonDouble(3434.33f),
      "date" ? BsonDateTime(new Date())
    )
    println(bsonDoc.toJson(new JsonWriterSettings(JsonMode.SHELL)))
    //    println(bsonDoc.toJson(new JsonWriterSettings()))
    val str = mapper.writeValueAsString(bsonDoc)
    println(str)
  }
  test("json to bson") {
    val mapper = new ObjectMapper() with ScalaObjectMapper
    mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL)
    mapper.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS)
    mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
    mapper.registerModule(new Json2BsonModule)
    mapper.registerModule(DefaultScalaModule)
    val map = Map("int" ? 3434, "long" ? 3433333333333333343L, "float" ? 434.33f, "double" ? 343.4343d, "date" ? new Date())
    println(mapper.writeValueAsString(map))
  }
  test("str to bson") {
    val bson = BsonDocument(
      """
        |{id:3434343434333}
      """.stripMargin)
    println(bson)
  }
} 

//设置package包名称以及导入依赖的类
package net.jxpress.jackson4s

import com.fasterxml.jackson.databind.{SerializationFeature, ObjectMapper}
import com.fasterxml.jackson.datatype.joda.JodaModule
import com.fasterxml.jackson.module.scala.DefaultScalaModule

import scala.reflect.ClassTag

object Implicits {
  implicit val DefaultMapper: ObjectMapper =
    new ObjectMapper().registerModule(DefaultScalaModule)
      .registerModule(new JodaModule())
      .configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false)
      .configure(SerializationFeature.WRITE_DATES_WITH_ZONE_ID, true)

  implicit class JsonParser(val json: String) extends AnyVal {
    def parseAs[T](implicit om: ObjectMapper, tag: ClassTag[T]): T = {
      om.readValue(json, tag.runtimeClass.asInstanceOf[Class[T]])
    }
  }
} 

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

import java.io.InputStream
import java.text.SimpleDateFormat

import com.fasterxml.jackson.annotation.JsonInclude.Include
import com.fasterxml.jackson.databind.{DeserializationFeature, ObjectMapper, SerializationFeature}
import com.fasterxml.jackson.datatype.jdk8.Jdk8Module
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
import com.fasterxml.jackson.module.scala.DefaultScalaModule
import com.fasterxml.jackson.module.scala.experimental.ScalaObjectMapper


object JsonUtils {

  private val Mapper = getObjectMapper
  private val Wrapper = getObjectMapper.configure(SerializationFeature.WRAP_ROOT_VALUE, true)

  def toJsonStr(value: Any): String = Mapper.writeValueAsString(value)

  def toJson(value: Any): Array[Byte] = Mapper.writeValueAsBytes(value)

  def toWrappedJson(value: Any): String = Wrapper.writeValueAsString(value)

  def toJsonPrettyPrint(value: Any): String = Mapper.writer().withDefaultPrettyPrinter().writeValueAsString(value)

  def fromJson[T](json: String)(implicit m: Manifest[T]): T = Mapper.readValue[T](json)

  def fromJson[T](json: String, clazz: Class[T]): T = Mapper.readValue(json, clazz)

  def fromJson[T](is: InputStream)(implicit m: Manifest[T]): T = Mapper.readValue[T](is)

  def fromJson[T](bytes: Array[Byte])(implicit m: Manifest[T]): T = Mapper.readValue[T](bytes)

  private def getObjectMapper = {
    val objectMapper = new ObjectMapper() with ScalaObjectMapper
    objectMapper.registerModule(DefaultScalaModule)
      .registerModule(new JavaTimeModule())
      .registerModule(new Jdk8Module())
      .disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, SerializationFeature.INDENT_OUTPUT)
      .disable(DeserializationFeature.ADJUST_DATES_TO_CONTEXT_TIME_ZONE, DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
      .setSerializationInclusion(Include.NON_NULL)
      .setSerializationInclusion(Include.NON_ABSENT)
      .enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY)
      .setDateFormat(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssXXX"))
    objectMapper
  }
} 

//设置package包名称以及导入依赖的类
package com.sk.app.proxmock.toolset.serialization

import com.fasterxml.jackson.annotation.JsonInclude
import com.fasterxml.jackson.core.JsonParser
import com.fasterxml.jackson.databind.{ObjectMapper, SerializationFeature}
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory
import com.fasterxml.jackson.module.scala.DefaultScalaModule
import com.sk.app.proxmock.toolset.serialization.betterpolymorphism.BetterPolymorphismModule


object Yaml {
  private val mapper = new ObjectMapper(new YAMLFactory())
  mapper.registerModule(DefaultScalaModule)
  mapper.registerModule(BetterPolymorphismModule())

  mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL)
  mapper.enable(JsonParser.Feature.ALLOW_YAML_COMMENTS)
  mapper.enable(SerializationFeature.INDENT_OUTPUT)

  def parse[T](yaml: String, clazz: Class[T]): T =
    mapper.readValue(yaml, clazz)

  def serialize[T](o: T): String =
    mapper.writeValueAsString(o)
}