Packages

  • package root
    Definition Classes
    root
  • package play

    Play framework.

    Play framework.

    Play

    http://www.playframework.com

    Definition Classes
    root
  • package api

    Contains the public API for Scala developers.

    Contains the public API for Scala developers.

    Access the current Play application
    import play.api.Play.current
    Read configuration
    val poolSize = configuration.getInt("engine.pool.size")
    Use the logger
    Logger.info("Hello!")
    Define a Plugin
    class MyPlugin(app: Application) extends Plugin
    Create adhoc applications (for testing)
    val application = Application(new File("."), this.getClass.getClassloader, None, Play.Mode.DEV)
    Definition Classes
    play
  • package libs

    Contains various APIs that are useful while developing web applications.

    Contains various APIs that are useful while developing web applications.

    Definition Classes
    api
  • package json

    Json API For example:

    Json API For example:

    import play.api.libs.json._
    import play.api.libs.functional.syntax._
    
    case class User(id: Long, name: String, friends: Seq[User] = Seq.empty)
    object User {
    
      // In this format, an undefined friends property is mapped to an empty list
      implicit val format: Format[User] = (
        (__ \ "id").format[Long] and
        (__ \ "name").format[String] and
        (__ \ "friends").lazyFormatNullable(implicitly[Format[Seq[User]]])
          .inmap[Seq[User]](_ getOrElse Seq.empty, Some(_))
      )(User.apply, unlift(User.unapply))
    }
    
    //then in a controller:
    
    object MyController extends Controller {
       def displayUserAsJson(id: String) = Action {
          Ok(Json.toJson(User(id.toLong, "myName")))
       }
       def saveUser(jsonString: String)= Action {
         val user = Json.parse(jsonString).as[User]
         myDataStore.save(user)
         Ok
       }
    }
    Definition Classes
    libs
  • object Json extends JsonFacade

    Helper functions to handle JsValues.

    Helper functions to handle JsValues.

    Definition Classes
    json
  • DefaultValues
  • JsValueWrapper
  • MacroOptions
  • WithOptions
c

play.api.libs.json.Json

WithOptions

final class WithOptions[Opts <: MacroOptions] extends JsonFacade

JSON facade with some macro options.

Opts

the compile-time options

Source
Json.scala
Linear Supertypes
JsonFacade, AnyRef, Any
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. WithOptions
  2. JsonFacade
  3. AnyRef
  4. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new WithOptions()
  2. new WithOptions(config: Aux[Opts])

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def arr(items: JsValueWrapper*): JsArray

    Returns a JsArray with given items.

    Returns a JsArray with given items.

    Definition Classes
    WithOptionsJsonFacade
    Annotations
    @inline()
  5. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  6. def asciiStringify(json: JsValue): String

    Converts a JsValue to its string representation, escaping all non-ascii characters using \uXXXX syntax.

    Converts a JsValue to its string representation, escaping all non-ascii characters using \uXXXX syntax.

    This is particularly useful when the output JSON will be executed as javascript, since JSON is not a strict subset of javascript (see JSON: The JavaScript subset that isn't).

    scala> Json.asciiStringify(JsString("some\u2028text\u2029"))
    res0: String = "some\u2028text\u2029"
    
    scala> Json.stringify(JsString("some\u2028text\u2029"))
    res1: String = "sometext"
    json

    the JsValue to convert A String with the json representation with all non-ascii characters escaped.

    Definition Classes
    WithOptionsJsonFacade
    Annotations
    @inline()
  7. def clone(): AnyRef
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @native() @throws( ... )
  8. val config: Aux[Opts]
  9. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  10. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  11. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  12. macro def format[A]: OFormat[A]

    Creates a OFormat[T] by resolving, at compile-time, the case class fields or sealed family, and the required implicits.

    Creates a OFormat[T] by resolving, at compile-time, the case class fields or sealed family, and the required implicits.

    If any missing implicit is discovered, compiler will break with corresponding error.

    A

    the type for which the handler must be materialized

    import play.api.libs.json.Json
    
    case class User(userName: String, age: Int)
    
    implicit val userFormat: OFormat[User] =
      Json.using[Json.WithDefaultValues].format[User]
  13. def fromJson[T](json: JsValue)(implicit fjs: Reads[T]): JsResult[T]

    Converts a JsValue to a value of requested type T.

    Converts a JsValue to a value of requested type T.

    T

    The type of conversion result, only supported if a Reads implicit is available for.

    json

    the JsValue to convert

    Definition Classes
    WithOptionsJsonFacade
    Annotations
    @inline()
  14. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  15. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  16. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  17. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  18. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  19. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  20. def obj(fields: (String, JsValueWrapper)*): JsObject

    Returns a JsObject with given fields.

    Returns a JsObject with given fields.

    fields

    the object fields specified as pairs of name and value

    Definition Classes
    WithOptionsJsonFacade
    Annotations
    @inline()
  21. def parse(input: Array[Byte]): JsValue

    Parses some bytes representing a JSON input, and returns it as a JsValue.

    Parses some bytes representing a JSON input, and returns it as a JsValue.

    The character encoding used will be automatically detected as UTF-8, UTF-16 or UTF-32, as per the heuristics in RFC-4627.

    input

    the byte array to parse

    Definition Classes
    WithOptionsJsonFacade
    Annotations
    @inline()
  22. def parse(input: InputStream): JsValue

    Parses a stream representing a JSON input, and returns it as a JsValue.

    Parses a stream representing a JSON input, and returns it as a JsValue.

    input

    the InputStream to parse

    Definition Classes
    WithOptionsJsonFacade
    Annotations
    @inline()
  23. def parse(input: String): JsValue

    Parses a String representing a JSON input, and returns it as a JsValue.

    Parses a String representing a JSON input, and returns it as a JsValue.

    input

    the String to parse

    Definition Classes
    WithOptionsJsonFacade
    Annotations
    @inline()
  24. def prettyPrint(json: JsValue): String

    Converts a JsValue to its pretty string representation using default pretty printer (line feeds after each fields and 2-spaces indentation).

    Converts a JsValue to its pretty string representation using default pretty printer (line feeds after each fields and 2-spaces indentation).

    scala> Json.stringify(Json.obj(
      "field1" -> Json.obj(
        "field11" -> "value11",
        "field12" -> Json.arr("alpha", 123L)
      )
    ))
    res0: String = {"field1":{"field11":"value11","field12":["alpha",123]}}
    
    scala> Json.prettyPrint(res0)
    res1: String =
    {
      "field1" : {
        "field11" : "value11",
        "field12" : [ "alpha", 123 ]
      }
    }
    json

    the JsValue to convert A String with the json representation.

    Definition Classes
    WithOptionsJsonFacade
    Annotations
    @inline()
  25. macro def reads[A]: Reads[A]

    Creates a Reads[T] by resolving, at compile-time, the case class fields or sealed family, and the required implicits.

    Creates a Reads[T] by resolving, at compile-time, the case class fields or sealed family, and the required implicits.

    If any missing implicit is discovered, compiler will break with corresponding error.

    A

    the type for which the handler must be materialized

    import play.api.libs.json.Json
    
    case class User(userName: String, age: Int)
    
    implicit val userReads: Reads[User] =
      Json.using[Json.MacroOptions with Json.DefaultValues].reads[User]
  26. def stringify(json: JsValue): String

    Converts a JsValue to its string representation.

    Converts a JsValue to its string representation.

    scala> Json.stringify(Json.obj(
      "field1" -> Json.obj(
        "field11" -> "value11",
        "field12" -> Json.arr("alpha", 123L)
      )
    ))
    res0: String = {"field1":{"field11":"value11","field12":["alpha",123]}}
    
    scala> Json.stringify(res0)
    res1: String = {"field1":{"field11":"value11","field12":["alpha",123]}}
    json

    the JsValue to convert

    returns

    a String with the json representation

    Definition Classes
    WithOptionsJsonFacade
    Annotations
    @inline()
  27. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  28. def toBytes(json: JsValue): Array[Byte]

    Converts a JsValue to bytes (using UTF-8 encoding).

    Converts a JsValue to bytes (using UTF-8 encoding).

    json

    the JsValue to convert

    returns

    an Array[Byte] representing the UTF-8-encoded JSON

    Definition Classes
    WithOptionsJsonFacade
    Annotations
    @inline()
  29. def toJsObject[T](o: T)(implicit tjs: OWrites[T]): JsObject

    Converts any object writeable value to a JsObject.

    Converts any object writeable value to a JsObject.

    A value is writeable as an object, if a OWrites implicit is available for its type.

    T

    the type of the value to be written as JsObject

    o

    the value to convert as JSON object

    Definition Classes
    WithOptionsJsonFacade
    Annotations
    @inline()
  30. def toJson[T](o: T)(implicit tjs: Writes[T]): JsValue

    Converts any writeable value to a JsValue.

    Converts any writeable value to a JsValue.

    A value is writeable if a Writes implicit is available for its type.

    T

    the type of the value to be written as JSON

    o

    the value to convert as JSON

    Definition Classes
    WithOptionsJsonFacade
    Annotations
    @inline()
  31. def toString(): String
    Definition Classes
    AnyRef → Any
  32. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  33. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  34. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @throws( ... )
  35. macro def writes[A]: OWrites[A]

    Creates a OWrites[T] by resolving, at compile-time, the case class fields or sealed family, and the required implicits.

    Creates a OWrites[T] by resolving, at compile-time, the case class fields or sealed family, and the required implicits.

    If any missing implicit is discovered, compiler will break with corresponding error.

    A

    the type for which the handler must be materialized

    import play.api.libs.json.Json
    
    case class User(userName: String, age: Int)
    
    implicit val userWrites: OWrites[User] =
      Json.using[Json.MacroOptions].writes[User]

Inherited from JsonFacade

Inherited from AnyRef

Inherited from Any

Ungrouped