play.api.data

WrappedMapping

Related Doc: package data

case class WrappedMapping[A, B](wrapped: Mapping[A], f1: (A) ⇒ B, f2: (B) ⇒ A, additionalConstraints: Seq[Constraint[B]] = Nil) extends Mapping[B] with Product with Serializable

A mapping wrapping another existing mapping with transformation functions.

wrapped

Existing wrapped mapping

f1

Transformation function from A to B

f2

Transformation function from B to A

additionalConstraints

Additional constraints of type B

Source
Form.scala
Linear Supertypes
Serializable, Serializable, Product, Equals, Mapping[B], AnyRef, Any
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  1. WrappedMapping
  2. Serializable
  3. Serializable
  4. Product
  5. Equals
  6. Mapping
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Visibility
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Instance Constructors

  1. new WrappedMapping(wrapped: Mapping[A], f1: (A) ⇒ B, f2: (B) ⇒ A, additionalConstraints: Seq[Constraint[B]] = Nil)

    wrapped

    Existing wrapped mapping

    f1

    Transformation function from A to B

    f2

    Transformation function from B to A

    additionalConstraints

    Additional constraints of type B

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 addPrefix(prefix: String): Option[String]

    Attributes
    protected
    Definition Classes
    Mapping
  5. val additionalConstraints: Seq[Constraint[B]]

    Additional constraints of type B

  6. def applyConstraints(t: B): Either[Seq[FormError], B]

    Attributes
    protected
    Definition Classes
    Mapping
  7. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  8. def bind(data: Map[String, String]): Either[Seq[FormError], B]

    Binds this field, i.e.

    Binds this field, i.e. construct a concrete value from submitted data.

    data

    the submitted data

    returns

    either a concrete value of type B or a set of errors, if the binding failed

    Definition Classes
    WrappedMappingMapping
  9. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  10. def collectErrors(t: B): Seq[FormError]

    Attributes
    protected
    Definition Classes
    Mapping
  11. val constraints: Seq[Constraint[B]]

    The constraints associated with this field.

    The constraints associated with this field.

    Definition Classes
    WrappedMappingMapping
  12. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  13. val f1: (A) ⇒ B

    Transformation function from A to B

  14. val f2: (B) ⇒ A

    Transformation function from B to A

  15. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  16. val format: Option[(String, Seq[Any])]

    The Format expected for this field, if it exists.

    The Format expected for this field, if it exists.

    Definition Classes
    WrappedMappingMapping
  17. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  18. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  19. val key: String

    The field key.

    The field key.

    Definition Classes
    WrappedMappingMapping
  20. val mappings: Seq[Mapping[_]]

    Sub-mappings (these can be seen as sub-keys).

    Sub-mappings (these can be seen as sub-keys).

    Definition Classes
    WrappedMappingMapping
  21. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  22. final def notify(): Unit

    Definition Classes
    AnyRef
  23. final def notifyAll(): Unit

    Definition Classes
    AnyRef
  24. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef
  25. def transform[B](f1: (B) ⇒ B, f2: (B) ⇒ B): Mapping[B]

    Transform this Mapping[T] to a Mapping[B].

    Transform this Mapping[T] to a Mapping[B].

    B

    The type of the new mapping.

    f1

    Transform value of T to a value of B

    f2

    Transform value of B to a value of T

    Definition Classes
    Mapping
  26. def unbind(value: B): Map[String, String]

    Unbinds this field, i.e.

    Unbinds this field, i.e. transforms a concrete value to plain data.

    value

    the value to unbind

    returns

    the plain data

    Definition Classes
    WrappedMappingMapping
  27. def unbindAndValidate(value: B): (Map[String, String], Seq[FormError])

    Unbinds this field, i.e.

    Unbinds this field, i.e. transforms a concrete value to plain data, and applies validation.

    value

    the value to unbind

    returns

    the plain data and any errors in the plain data

    Definition Classes
    WrappedMappingMapping
  28. def verifying(constraints: Constraint[B]*): Mapping[B]

    Constructs a new Mapping based on this one, by adding new constraints.

    Constructs a new Mapping based on this one, by adding new constraints.

    For example:

    import play.api.data._
    import validation.Constraints._
    
    Form("phonenumber" -> text.verifying(required) )
    constraints

    the constraints to add

    returns

    the new mapping

    Definition Classes
    WrappedMappingMapping
  29. def verifying(error: ⇒ String, constraint: (B) ⇒ Boolean): Mapping[B]

    Constructs a new Mapping based on this one, by adding a new ad-hoc constraint.

    Constructs a new Mapping based on this one, by adding a new ad-hoc constraint.

    For example:

    import play.api.data._
    import validation.Constraints._
    
    Form("phonenumber" -> text.verifying("Bad phone number", {_.grouped(2).size == 5}))
    error

    The error message used if the constraint fails

    constraint

    a function describing the constraint that returns false on failure

    returns

    the new mapping

    Definition Classes
    Mapping
  30. def verifying(constraint: (B) ⇒ Boolean): Mapping[B]

    Constructs a new Mapping based on this one, by adding a new ad-hoc constraint.

    Constructs a new Mapping based on this one, by adding a new ad-hoc constraint.

    For example:

    import play.api.data._
    import validation.Constraints._
    
    Form("phonenumber" -> text.verifying {_.grouped(2).size == 5})
    constraint

    a function describing the constraint that returns false on failure

    returns

    the new mapping

    Definition Classes
    Mapping
  31. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  32. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  33. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  34. def withPrefix(prefix: String): Mapping[B]

    Constructs a new Mapping based on this one, adding a prefix to the key.

    Constructs a new Mapping based on this one, adding a prefix to the key.

    prefix

    the prefix to add to the key

    returns

    the same mapping, with only the key changed

    Definition Classes
    WrappedMappingMapping
  35. val wrapped: Mapping[A]

    Existing wrapped mapping

Inherited from Serializable

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from Mapping[B]

Inherited from AnyRef

Inherited from Any

Ungrouped