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

play.api.data.validation

Invalid

Companion class Invalid