Download as PDF, PPTX
![HTTP BODY
Text, Json, XML, File
Action(BodyParsers.parse.json)
{request: Request[JsValue] =>
}](https://image.slidesharecdn.com/playoverview-131220022850-phpapp01/85/Let-s-Play-Overview-8-320.jpg)
![JSON
case class RegisterInfo(email: String, password:
Option[String], partnerId: Option[String])
implicit val registerInfoReads = Json.reads[RegisterInfo]
def result: BusinessResult[CreatedAccount] =
Try(request.body.validate[RegisterInfo].get) match {
case Success(registerInfo) => business.register(registerInfo)
case Failure(e) => FailedResult(invalidJson,
List(Messages("invalid.json.format")))
}](https://image.slidesharecdn.com/playoverview-131220022850-phpapp01/85/Let-s-Play-Overview-36-320.jpg)
More Related Content
Let's Play- Overview
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- 6. ACTION request => response objectUsers extends Controller { def get(id: Long) = Action {request => Ok(<name>User.findById(id).name</name>) } }
- 7. OK(<NAME>PLAY</ NAME>) Generates a ‘200OK’ result. text/xml http body <name>play</name>
- 8. HTTP BODY Text, Json,XML, File Action(BodyParsers.parse.json) {request: Request[JsValue] => }
- 9. IN ONE SLID /users/:id controller.Users.get(id:Long) objectUsers extends Controller { def get(id: Long) = Action{request => val user = User.findById(id) Ok(Json.toJson(s””” {“name”: “${user.name}”}”””)) } }
- 11. PLAY INTRODUCE The PlayFramework combines productivity and performance making it easy to build scalable web applications with Java and Scala. ! ! Play is developer friendly with a "just hit refresh" workflow and built-in testing support. ! ! With Play, applications scale predictably due to a stateless and non-blocking architecture. ! ! By being RESTful by default, including assets compilers, JSON & WebSocket support, ! ! Play is a perfect fit for modern web & mobile applications.
- 12. PLAY GOOD THINGS ThePlay Framework combines productivity and performance making it easy to build scalable web applications with Java and Scala. ! ! Play is developer friendly with a "just hit refresh" workflow and built-in testing support. ! ! With Play, applications scale predictably due to a stateless and non- blocking architecture. ! ! By being RESTful by default, including assets compilers, JSON & WebSocket support, ! ! Play is a perfect fit for modern web & mobile applications.
- 13. PRODUCTIVITY just hit refreshv.s. restart jetty type safe v.s. more test
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- 15. PERFORMANCE compiled v.s. intercept non-blockingv.s. one thread for one request
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- 18. SCALABLE stateless v.s. session akkaCluster http://es.slideshare.net/nicmarti/play-framework-softshake-presentation
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- 35. ASSETS COMPILERS CoffeeScript LESS CSS GoogleClosure Compiler RequireJS
- 36. JSON case class RegisterInfo(email:String, password: Option[String], partnerId: Option[String]) implicit val registerInfoReads = Json.reads[RegisterInfo] def result: BusinessResult[CreatedAccount] = Try(request.body.validate[RegisterInfo].get) match { case Success(registerInfo) => business.register(registerInfo) case Failure(e) => FailedResult(invalidJson, List(Messages("invalid.json.format"))) }
- 37. PLAY INTRODUCE The PlayFramework combines productivity and performance making it easy to build scalable web applications with Java and Scala. ! ! Play is developer friendly with a "just hit refresh" workflow and built-in testing support. ! ! With Play, applications scale predictably due to a stateless and non-blocking architecture. ! ! By being RESTful by default, including assets compilers, JSON & WebSocket support, ! ! Play is a perfect fit for modern web & mobile applications.
- 38.
- 39. MODERN WEB ! Designing formobile first (even if you’re not building a mobile app) Build only single page apps Create and use your own REST API “Sex sells” applies to web apps http://blogs.atlassian.com/2012/01/modern-principles-in-web-development/
- 40. ASYNC AsyncResult Streaming HTTP responses Cometsockets WebSockets
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- 42. NOT SO GOOD Thetemplate engine Anorm
- 43. THE TEMPLATE ENGINE lackof UI helper reload need compiler meaningless static http://en.wikipedia.org/wiki/Template_engine_(web)
- 44. ANORM write SQL byhand less transaction management
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