vert.x+Scala build with GradleでWebサービス作ってみる ref: https://qiita.com/aya_eiya/items/e9eb2306e93772d4ba95

App.scala

package jp.sample

import io.vertx.scala.core.Vertx
import io.vertx.scala.ext.web._

object App {
  def main(args : Array[String]) {
    val vertx = Vertx.vertx()
    val router = Router.router(vertx)
    router.route().handler(context=>{
      val res = context.response()
      res.putHeader("content-type","text/plane")
      res.end("Hello world.")
    })

    val srv = vertx.createHttpServer()
    srv.requestHandler(router.accept _).listen(8080)
  } 

build.gradle

plugins {
  id 'application'
  id 'java'
  id 'scala'
}

repositories {
  mavenCentral()
  jcenter()
}

version = '0.1.0-SNAPSHOT'

sourceCompatibility = '1.8'

mainClassName = 'jp.sample.App'

dependencies {
  compile 'io.vertx:vertx-core:3.+'
  compile 'io.vertx:vertx-lang-scala_2.12:3.+'
  compile 'io.vertx:vertx-web:3.+'
  compile 'io.vertx:vertx-web-scala_2.12:3+'
}

file2.txt

gradle run

file3.groovy

  compile 'io.vertx:vertx-web:3.+'
  compile 'io.vertx:vertx-web-scala_2.12:3+'

file6.txt

    val srv = vertx.createHttpServer()
    srv.requestHandler(router.accept _).listen(8080)

file8.txt

gradle run &
curl http://localhost:8080

SampleRouter

    val router = Router.router(vertx)
    router.route().handler(context=>{
      val res = context.response()
      res.putHeader("content-type","text/plane")
      res.end("Hello world.")
    })