play-json
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play-json/play.api.libs.json/JsReadable

JsReadable

play.api.libs.json.JsReadable
trait JsReadable

A trait representing a Json node which can be read as an arbitrary type A using a Reads[A]

Attributes

Graph
Supertypes
class Any
Known subtypes
class JsDefined
class JsUndefined
trait JsValue
class JsArray
class JsBoolean
object JsFalse.type
object JsTrue.type
object JsNull.type
class JsNumber
class JsObject
class JsString
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Members list

Value members

Abstract methods

def validate[T](implicit rds: Reads[T]): JsResult[T]

Tries to convert the node into a JsResult[T] (Success or Error). An implicit Reads[T] must be defined.

Tries to convert the node into a JsResult[T] (Success or Error). An implicit Reads[T] must be defined.

Attributes

Concrete methods

def as[T](implicit fjs: Reads[T]): T

Tries to convert the node into a T, throwing an exception if it can't. An implicit Reads[T] must be defined.

Tries to convert the node into a T, throwing an exception if it can't. An implicit Reads[T] must be defined.

Attributes

def asOpt[T](implicit fjs: Reads[T]): Option[T]

Tries to convert the node into a T. An implicit Reads[T] must be defined. Any error is mapped to None

Tries to convert the node into a T. An implicit Reads[T] must be defined. Any error is mapped to None

Attributes

Returns

Some[T] if it succeeds, None if it fails.

def transform[A <: JsValue](rds: Reads[A]): JsResult[A]

Transforms this node into a JsResult using provided Json transformer Reads[JsValue]

Transforms this node into a JsResult using provided Json transformer Reads[JsValue]

Attributes

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