Packages

c

play.api.data

ObjectMapping2

class ObjectMapping2[R, A1, A2] extends Mapping[R] with ObjectMapping

Source
ObjectMappings.scala
Linear Supertypes
ObjectMapping, Mapping[R], AnyRef, Any
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Inherited
  1. ObjectMapping2
  2. ObjectMapping
  3. Mapping
  4. AnyRef
  5. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new ObjectMapping2(apply: (A1, A2) ⇒ R, unapply: (R) ⇒ Option[(A1, A2)], f1: (String, Mapping[A1]), f2: (String, Mapping[A2]), key: String = "", constraints: Seq[Constraint[R]] = Nil)

Value Members

  1. def bind(data: Map[String, String]): Either[Seq[FormError], R]

    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 T or a set of errors, if the binding failed

    Definition Classes
    ObjectMapping2Mapping
  2. val constraints: Seq[Constraint[R]]

    The constraints associated with this field.

    The constraints associated with this field.

    Definition Classes
    ObjectMapping2Mapping
  3. val field1: Mapping[A1]
  4. val field2: Mapping[A2]
  5. 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
    Mapping
  6. val key: String

    The field key.

    The field key.

    Definition Classes
    ObjectMapping2Mapping
  7. val mappings: Seq[Mapping[_]]

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

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

    Definition Classes
    ObjectMapping2Mapping
  8. def merge(results: Either[Seq[FormError], Any]*): Either[Seq[FormError], Seq[Any]]

    Merges the result of multiple bindings.

    Merges the result of multiple bindings.

    Definition Classes
    ObjectMapping
    See also

    bind()

  9. def merge2(a: Either[Seq[FormError], Seq[Any]], b: Either[Seq[FormError], Seq[Any]]): Either[Seq[FormError], Seq[Any]]

    Merges the result of two bindings.

    Merges the result of two bindings.

    Definition Classes
    ObjectMapping
    See also

    bind()

  10. def transform[B](f1: (R) ⇒ B, f2: (B) ⇒ R): 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
  11. def unbind(value: R): 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
    ObjectMapping2Mapping
  12. def unbindAndValidate(value: R): (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
    ObjectMapping2Mapping
  13. def verifying(addConstraints: Constraint[R]*): ObjectMapping2[R, A1, A2]

    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) )
    returns

    the new mapping

    Definition Classes
    ObjectMapping2Mapping
  14. def verifying(error: ⇒ String, constraint: (R) ⇒ Boolean): Mapping[R]

    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
  15. def verifying(constraint: (R) ⇒ Boolean): Mapping[R]

    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
  16. def withPrefix(prefix: String): ObjectMapping2[R, A1, A2]

    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
    ObjectMapping2Mapping