| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * 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.googlesource.gerrit.plugins.support |
| |
| import com.google.gson.{Gson, JsonElement, JsonObject} |
| import com.google.inject._ |
| import org.slf4j.LoggerFactory |
| |
| import scala.util.Try |
| |
| case class CommandResult(entryName: String, content: JsonElement) |
| |
| abstract class GerritSupportCommand { |
| val log = LoggerFactory.getLogger(classOf[GerritSupportCommand]) |
| implicit val gson = new Gson |
| val name = camelToUnderscores(this.getClass.getSimpleName.stripSuffix("Command")) |
| .stripPrefix("_") |
| |
| def getResult: Any |
| |
| def execute = { |
| CommandResult(s"${name}.json", |
| gson.toJsonTree( |
| Try { |
| getResult |
| } getOrElse { |
| val error = s"${name} not available on ${System.getProperty("os.name")}" |
| log.error(error); |
| ErrorInfo("error" -> error) |
| })) |
| } |
| |
| private def camelToUnderscores(name: String) = "[A-Z\\d]".r.replaceAllIn(name, { m => |
| "_" + m.group(0).toLowerCase() |
| }) |
| } |
| |
| @Singleton |
| class GerritSupportCommandFactory @Inject()(val injector: Injector) { |
| |
| def apply(name: String): GerritSupportCommand = |
| injector.getInstance( |
| Class.forName(s"com.googlesource.gerrit.plugins.support.commands.${name.capitalize}Command") |
| .asInstanceOf[Class[_ <: GerritSupportCommand]]) |
| |
| } |
| |
| object ErrorInfo { |
| def apply[T](attributes: (String, T)*)(implicit gson: Gson): JsonObject = |
| attributes.foldLeft(new JsonObject) { |
| (json, pair) => { |
| json.add(pair._1, gson.toJsonTree(pair._2)) |
| json |
| } |
| } |
| } |