Scala + SpringFramework

build.sbt

libraryDependencies ++= Seq(
  "org.springframework" % "spring-context" % "3.1.1.RELEASE",
  "cglib" % "cglib" % "2.2.2"
)

GreetingSample.scala

package com.github.tototoshi.sample

import scala.collection.JavaConversions._
import org.springframework.context.annotation.Configuration
import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.AnnotationConfigApplicationContext


@Configuration
class AppConfig {
  @Bean
  def greeting(): Greeting = new GoodBye
}

trait Greeting {
  def greet(): Unit
}

class Hello extends Greeting {
  def greet(): Unit = println("Hello!")
}

class GoodBye extends Greeting {
  def greet(): Unit = println("GoodBye!")
}

object Main extends App {
  val context = new AnnotationConfigApplicationContext(classOf[AppConfig])
  val greeting = context.getBean("greeting", classOf[Greeting])
  greeting.greet()
}