/* * Copyright 2017 Lightbend, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.lightbend.rp.sbtreactiveapp.magic import sbt.AutoPlugin import scala.language.reflectiveCalls import scala.util.Try object Play27 { def playPlugin(classLoader: ClassLoader): Try[AutoPlugin] = withContextClassloader(classLoader) { loader => getSingletonObject[AutoPlugin](loader, "play.sbt.PlayWeb$") } def version: Option[String] = { // The method signature equals the signature of `play.core.PlayVersion` type PlayVersion = { def current: String } withContextClassloader(this.getClass.getClassLoader) { loader => getSingletonObject[PlayVersion](loader, "play.core.PlayVersion$") .map(_.current) .toOption } } }