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Add a workaround for sbt's classloader to find Router
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79
sbt-airframe/src/main/scala/wvlet/airframe/sbt/http/HttpPlugin.scala
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * 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 wvlet.airframe.sbt.http | ||
| import sbt.{File, settingKey, taskKey, _} | ||
| import wvlet.airframe.http.{Endpoint, Router} | ||
| import wvlet.airframe.surface.{MethodSurface, Surface} | ||
| import wvlet.log.LogSupport | ||
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| import scala.util.{Failure, Success, Try} | ||
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| /** | ||
| * | ||
| */ | ||
| object HttpPlugin extends LogSupport { | ||
| wvlet.airframe.log.init | ||
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| trait AirframeHttpKeys { | ||
| val airframeHttpPackages = settingKey[Seq[String]]("A list of package names containing Airframe HTTP interfaces") | ||
| val airframeHttpGenerateClient = taskKey[Seq[File]]("Generate the client code") | ||
| val airframeHttpRouter = taskKey[Router]("Airframe Router") | ||
| } | ||
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| case class HttpInterface(surface: Surface, endpoints: Seq[HttpEndpoint]) | ||
| case class HttpEndpoint(endpoint: Endpoint, method: MethodSurface) | ||
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| /** | ||
| * Find Airframe HTTP interfaces and build a Router object | ||
| * @param sourceDirs | ||
| * @param files | ||
| * @param classLoader | ||
| */ | ||
| def buildRouter(sourceDirs: Seq[File], files: Seq[File], classLoader: ClassLoader): Router = { | ||
| def relativise(f: File): Option[File] = { | ||
| sourceDirs.collectFirst { case dir if f.relativeTo(dir).isDefined => f.relativeTo(dir).get } | ||
| } | ||
| val lst = for (f <- files; r <- relativise(f)) yield r | ||
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| val classes = lst | ||
| .map { f => f.getPath } | ||
| .filter(_.endsWith(".scala")) | ||
| .map(_.stripSuffix(".scala").replaceAll("/", ".")) | ||
| .map { clsName => | ||
| trace(s"Searching endpoints in ${clsName}") | ||
| Try(classLoader.loadClass(clsName)) match { | ||
| case x if x.isSuccess => x | ||
| case f @ Failure(e) => | ||
| f | ||
| } | ||
| } | ||
| .collect { | ||
| case Success(cls) => | ||
| cls | ||
| } | ||
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| var router = Router.empty | ||
| for (cl <- classes) yield { | ||
| import wvlet.airframe.surface.reflect._ | ||
| val s = ReflectSurfaceFactory.ofClass(cl) | ||
| val methods = ReflectSurfaceFactory.methodsOfClass(cl) | ||
| if (methods.exists(_.findAnnotationOf[Endpoint].isDefined)) { | ||
| info(s"Adding ${s.fullName} to Router") | ||
| router = router.addInternal(s, methods) | ||
| } | ||
| } | ||
| router | ||
| } | ||
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| } |