final class JsUndefined extends JsLookupResult

Represent a missing Json value.

Source
JsLookup.scala
Linear Supertypes
JsLookupResult, JsReadable, AnyRef, Any
Ordering
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  2. By Inheritance
Inherited
  1. JsUndefined
  2. JsLookupResult
  3. JsReadable
  4. AnyRef
  5. Any
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Visibility
  1. Public
  2. Protected

Instance Constructors

  1. new JsUndefined(err: => String)

Value Members

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

    Tries to convert the node into a T, throwing an exception if it can't.

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

    Definition Classes
    JsReadable
  2. def asOpt[T](implicit fjs: Reads[T]): Option[T]

    Tries to convert the node into a T.

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

    returns

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

    Definition Classes
    JsReadable
  3. def error: String
  4. def get: JsValue
    Definition Classes
    JsLookupResult
  5. def getOrElse(v: => JsValue): JsValue
    Definition Classes
    JsLookupResult
  6. def isDefined: Boolean
    Definition Classes
    JsLookupResult
  7. def isEmpty: Boolean
    Definition Classes
    JsLookupResult
  8. def orElse(alternative: => JsLookupResult): JsLookupResult

    If this result is defined return this.

    If this result is defined return this. Otherwise return alternative.

    Definition Classes
    JsLookupResult
  9. def toEither: Either[, JsValue]
    Definition Classes
    JsLookupResult
  10. def toOption: Option[JsValue]

    Tries to convert the node into a JsValue

    Tries to convert the node into a JsValue

    Definition Classes
    JsLookupResult
  11. def toString(): String
    Definition Classes
    JsUndefined → AnyRef → Any
  12. 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]

    Definition Classes
    JsReadable
  13. def validate[A](implicit rds: Reads[A]): JsResult[A]

    Tries to convert the node into a JsResult[T] (Success or Error).

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

    Definition Classes
    → JsReadable
  14. def validateOpt[A](implicit rds: Reads[A]): JsResult[Option[A]]

    If this result contains JsNull or is undefined, returns JsSuccess(None).

    If this result contains JsNull or is undefined, returns JsSuccess(None). Otherwise returns the result of validating as an A and wrapping the result in a Some.

    Definition Classes
    JsLookupResult
  15. def validationError: JsonValidationError