play.api.data

validation

package validation

Contains the validation API used by Form.

For example, to define a custom constraint:

val negative = Constraint[Int] {
case i if i < 0 => Valid
case _ => Invalid("Must be a negative number.")
}
Source
package.scala
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Type Members

  1. case class Constraint[-T](name: Option[String], args: Seq[Any])(f: (T) ⇒ ValidationResult) extends Product with Serializable

    A form constraint.

  2. trait Constraints extends AnyRef

    Defines a set of built-in constraints.

  3. case class Invalid(errors: Seq[ValidationError]) extends ValidationResult with Product with Serializable

    Validation was a failure.

  4. case class ValidationError(message: String, args: Any*) extends Product with Serializable

    A validation error.

  5. sealed trait ValidationResult extends AnyRef

    A validation result.

Value Members

  1. object Constraint extends Serializable

    This object provides helpers for creating Constraint values.

  2. object Constraints extends Constraints

    Defines a set of built-in constraints.

  3. object Invalid extends Serializable

    This object provides helper methods to construct Invalid values.

  4. object ParameterValidator

  5. object Valid extends ValidationResult with Product with Serializable

    Validation was a success.

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