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.

    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 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

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

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

Source
Validation.scala
Linear Supertypes
Serializable, Product, Equals, AnyRef, Any
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. Constraint
  2. Serializable
  3. Product
  4. Equals
  5. AnyRef
  6. Any
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Visibility
  1. Public
  2. Protected

Instance Constructors

  1. new Constraint(name: Option[String], args: Seq[Any])(f: (T) => ValidationResult)

    name

    the constraint name, to be displayed to final user

    args

    the message arguments, to format the constraint name

    f

    the validation function

Value Members

  1. def apply(t: T): ValidationResult

    Run the constraint validation.

    Run the constraint validation.

    t

    the value to validate

    returns

    the validation result

  2. val args: Seq[Any]
  3. val name: Option[String]
  4. def productElementNames: Iterator[String]
    Definition Classes
    Product