Xitrum HOWTOs
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This document provides an overview of how to use the Xitrum web framework, including how to create a new project, routes, run and debug the application, internationalization, scaling, and monitoring. It also compares Xitrum to the Play framework and lists some key differences.
![def fib(n: Int): Int = if (n < 3) 1 else f(n - 1) + f(n - 2)
!
---------------------------------------------
!
import xitrum.FutureAction
import xitrum.annotation.GET
!
@GET("fib/:n")
class FibAction extends FutureAction {
def execute() {
val n = param[Int]("n")
val ret = fib(n)
respondText(ret)
}
}
• Exploratory Coding: sbt/sbt console
• Get param from path, URL query, form, header
• Action, FutureAction, ActorAction, WebSocketAction, SockJSAciton
• respondText, respondJson, respondView etc.
http://xitrum-framework.github.io/guide/en/action_view.html#respond-to-client](https://image.slidesharecdn.com/xitrumhowtos-140713222424-phpapp01/85/Xitrum-HOWTOs-9-320.jpg)
![url[FibAction]("n" -> 3)
• publicUrl("foo.js")
• publicUrl("dir", "foo.js", "foo.min.js")
• webJarsUrl("underscorejs/1.6.0/underscore.js")
• webJarsUrl("underscorejs/1.6.0", "underscore.js", "underscore-min.js")
• http://xitrum-framework.github.io/guide/en/static.html](https://image.slidesharecdn.com/xitrumhowtos-140713222424-phpapp01/85/Xitrum-HOWTOs-17-320.jpg)
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Xitrum HOWTOs
- 1. Xitrum Web Framework HOWTOs Scala勉強会 2014/07/11 Ngoc Dao Takeharu Oshida With live coding demos
- 4. How to create a new Scala web project?
- 5. xitrum-new https://github.com/xitrum-framework/xitrum-new Download project skeleton and explain: • directory structure • build.sbt • plugins.sbt
- 6. How to create Eclipse or IntelliJ projects?
- 7. sbt/sbt eclipse sbt/sbt gen-idea • ~/.ivy2 • Scala plugin for Eclipse and IntelliJ http://scala-ide.org/ http://www.jetbrains.com/idea/features/scala.html • Build Path
- 8. How to create a route?
- 9. def fib(n: Int): Int = if (n < 3) 1 else f(n - 1) + f(n - 2) ! --------------------------------------------- ! import xitrum.FutureAction import xitrum.annotation.GET ! @GET("fib/:n") class FibAction extends FutureAction { def execute() { val n = param[Int]("n") val ret = fib(n) respondText(ret) } } • Exploratory Coding: sbt/sbt console • Get param from path, URL query, form, header • Action, FutureAction, ActorAction, WebSocketAction, SockJSAciton • respondText, respondJson, respondView etc. http://xitrum-framework.github.io/guide/en/action_view.html#respond-to-client
- 10. How to run?
- 11. • Run with SBT: sbt/sbt run • Run with Eclipse • Run with IntelliJ • routes.cache • log/xitrum.log • tmp
- 12. How to autoreload classes and routes?
- 13. • Run with SBT: sbt/sbt run sbt/sbt ~compile • Run with Eclipse • Run with IntelliJ • xitrum.DevClassLoader.ignorePattern • xitrum.Config.autoreloadInDevMode
- 14. How to debug?
- 15. • Debug with Eclipse • Debug with IntelliJ
- 16. How to create reverse route?
- 17. url[FibAction]("n" -> 3) • publicUrl("foo.js") • publicUrl("dir", "foo.js", "foo.min.js") • webJarsUrl("underscorejs/1.6.0/underscore.js") • webJarsUrl("underscorejs/1.6.0", "underscore.js", "underscore-min.js") • http://xitrum-framework.github.io/guide/en/static.html
- 18. How to run in production mode?
- 19. sbt/sbt xitrum-package ! script/runner <main class> • XitrumPackage.copy • Tune memory • script/start • http://xitrum-framework.github.io/guide/en/deploy.html
- 20. How to debug in production mode?
- 21. script/scalive • Oracle JVM is required • Can't use OpenJDK
- 22. How to autogenerate RESTful API client code?
- 23. /xitrum/swagger • http://xitrum-framework.github.io/guide/en/restful.html#documenting-api • http://107.167.187.67/xitrum/swagger • https://github.com/wordnik/swagger-codegen
- 24. How to i18n?
- 25. t("Hello World") ! touch i18n.pot sbt/sbt clean sbt/sbt compile • http://xitrum-framework.github.io/guide/en/i18n.html • http://poedit.net/
- 26. How to scale to multiple servers?
- 27. Akka: clustering code ! Hazelcast: clustering data • http://xitrum-framework.github.io/guide/en/cluster.html • https://github.com/xitrum-framework/xitrum-hazelcast
- 30. vs Play Play Xitrum Netty 3.x 4.x Hazelcast integration ☓ ○ DB integration ○ ☓ Assets pipeline ○ △ Action types △ ○ Route autocollection ☓ ○ SockJS ☓ ○ HTML5 CORS ☓ ○ i18n △ ○ Familiar (to Ruby, PHP, Python, Java etc. programmers) △ ○ Others ○ ○ • http://netty.io/wiki/new-and-noteworthy-in-4.0.html