play Framework 1st

Play Framework (ver3.0)

full stack framework : ui db all in one development 

live coding : just in time development

sbt : Scala Build Tool 

netty  module : netty server

https://www.playframework.com/documentation/2.2.x/api/scala/index.html#play.core.server.netty.package

download : playframework.com

activator new play-test play-java : create project play-java 

activator eclipse : eclipse usage rebuild :  create .classpath 

activator run

activator ui

activator clean complile run

why play framework ?

didn't use servlet   :  don't restricted the servlet specification

build in scala langauage

type-safe compile level error check 

java convention not apply

don't based on java enterprise edition api 

live coding

play framework architecture

template engine ? not jsp based on scala template engine 

akka ? 

https://www.playframework.com/documentation/2.3.x/Home   (EBook)

playframwork essentials

reactive  web application with play

play for java , play for scala

learning play framework 2

scala martin odersky  create jvml in order to break the java  jeneric

play framework don't use servlet , connect direct via the http protocol

use maven repository ivy repository 

http://akka.io/docs/ : concurrency division tool kit 

http://netty.io/wiki/

eclipse  build automatically uncheck 

basic development print web helloWorld

eclipse  activator eclipse source package import

/conf/route   GET /hello controllers.HelloWorld.index() 

                            / controllers.HelloWorld.index(name: String) scala type

create app/controller/HelloWorld.java 

package controllers;

import play.mvc.Controller;

import play.mvc.Result;

public class HelloWorld extends Controller {

   public static Result index() {

       return ok("hello world");

   }

}

http://localhost:9000/hello

create view/ hello.scala.html

ok(views.html.hello.render("hasun", 35))

return status ok() 200 TODO 500

activator 

console

scala> import package

scala> helloworld.index("Kin" , 25);

play maven dependency setting ? later namoo.club example

 https://orrsella.com/2014/02/25/integrating-play-framework-and-maven/