Packages

  • package root
    Definition Classes
    root
  • package play

    Play framework.

    Play framework.

    Play

    http://www.playframework.com

    Definition Classes
    root
  • package api

    Contains the public API for Scala developers.

    Contains the public API for Scala developers.

    Access the current Play application
    import play.api.Play.current
    Read configuration
    val poolSize = configuration.getInt("engine.pool.size")
    Use the logger
    Logger.info("Hello!")
    Define a Plugin
    class MyPlugin(app: Application) extends Plugin
    Create adhoc applications (for testing)
    val application = Application(new File("."), this.getClass.getClassloader, None, Play.Mode.DEV)
    Definition Classes
    play
  • package data

    Contains data manipulation helpers (typically HTTP form handling)

    Contains data manipulation helpers (typically HTTP form handling)

    import play.api.data._
    import play.api.data.Forms._
    
    val taskForm = Form(
      tuple(
        "name" -> text(minLength = 3),
        "dueDate" -> date("yyyy-MM-dd"),
        "done" -> boolean
      )
    )
    Definition Classes
    api
  • package format

    Contains the Format API used by Form.

    Contains the Format API used by Form.

    For example, to define a custom formatter:

    val signedIntFormat = new Formatter[Int] {
    
      def bind(key: String, data: Map[String, String]) = {
        stringFormat.bind(key, data).right.flatMap { value =>
          scala.util.control.Exception.allCatch[Int]
            .either(java.lang.Integer.parseInt(value))
            .left.map(e => Seq(FormError(key, "error.signedNumber", Nil)))
        }
      }
    
      def unbind(key: String, value: Long) = Map(
        key -> ((if (value<0) "-" else "+") + value)
      )
    }
    Definition Classes
    data
  • package validation

    Contains the validation API used by Form.

    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.")
    }
    Definition Classes
    data
  • Constraint
  • Constraints
  • Invalid
  • ParameterValidator
  • Valid
  • ValidationError
  • ValidationResult
p

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.

    A form constraint.

    T

    type of values handled by this constraint

    name

    the constraint name, to be displayed to final user

    args

    the message arguments, to format the constraint name

    f

    the validation function

  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.

    Validation was a failure.

    errors

    the resulting errors

  4. case class ValidationError(messages: Seq[String], args: Any*) extends Product with Serializable

    A validation error.

    A validation error.

    messages

    the error message, if more then one message is passed it will use the last one

    args

    the error message arguments

  5. sealed trait ValidationResult extends AnyRef

    A validation result.

Value Members

  1. object Constraint extends Serializable

    This object provides helpers for creating Constraint values.

    This object provides helpers for creating Constraint values.

    For example:

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

  6. object ValidationError extends Serializable

Inherited from AnyRef

Inherited from Any

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