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 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).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

• Formats
• Formatter
• JodaFormats
•  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

play.api.data

format