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import play.routes.compiler._ | ||
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import play.routes.compiler.RoutesCompiler.RoutesCompilerTask | ||
import java.io.File | ||
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object LilaRoutesGenerator extends RoutesGenerator { | ||
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val ForwardsRoutesFile = "Routes.scala" | ||
val ReverseRoutesFile = "ReverseRoutes.scala" | ||
val RoutesPrefixFile = "RoutesPrefix.scala" | ||
val JavaWrapperFile = "routes.java" | ||
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val id = "lila" | ||
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def generate(task: RoutesCompilerTask, namespace: Option[String], rules: List[Rule]): Seq[(String, String)] = { | ||
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val folder = namespace.map(_.replace('.', '/') + "/").getOrElse("") + "/" | ||
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val sourceInfo = RoutesSourceInfo(task.file.getCanonicalPath.replace(File.separator, "/"), new java.util.Date().toString) | ||
val routes = rules.collect { case r: Route => r } | ||
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val forwardsRoutesFiles = if (task.forwardsRouter) { | ||
Seq(folder + ForwardsRoutesFile -> generateRouter(sourceInfo, namespace, task.additionalImports, rules)) | ||
} else { | ||
Nil | ||
} | ||
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val reverseRoutesFiles = if (task.reverseRouter) { | ||
Seq(folder + RoutesPrefixFile -> generateRoutesPrefix(sourceInfo, namespace)) ++ | ||
generateReverseRouters(sourceInfo, namespace, task.additionalImports, routes, task.namespaceReverseRouter) ++ | ||
generateJavaWrappers(sourceInfo, namespace, rules, task.namespaceReverseRouter) | ||
} else { | ||
Nil | ||
} | ||
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forwardsRoutesFiles ++ reverseRoutesFiles | ||
} | ||
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private def generateRouter(sourceInfo: RoutesSourceInfo, namespace: Option[String], additionalImports: Seq[String], rules: List[Rule]) = | ||
static.twirl.forwardsRouter( | ||
sourceInfo, | ||
namespace, | ||
additionalImports, | ||
rules | ||
).body | ||
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private def generateRoutesPrefix(sourceInfo: RoutesSourceInfo, namespace: Option[String]) = | ||
static.twirl.routesPrefix( | ||
sourceInfo, | ||
namespace, | ||
_.call.instantiate | ||
).body | ||
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private def generateReverseRouters(sourceInfo: RoutesSourceInfo, namespace: Option[String], additionalImports: Seq[String], routes: List[Route], namespaceReverseRouter: Boolean) = { | ||
routes.groupBy(_.call.packageName).map { | ||
case (pn, routes) => | ||
val packageName = namespace.filter(_ => namespaceReverseRouter).map(_ + "." + pn).getOrElse(pn) | ||
(packageName.replace(".", "/") + "/" + ReverseRoutesFile) -> | ||
static.twirl.reverseRouter( | ||
sourceInfo, | ||
namespace, | ||
additionalImports, | ||
packageName, | ||
routes, | ||
namespaceReverseRouter, | ||
_.call.instantiate | ||
).body | ||
} | ||
} | ||
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private def generateJavaWrappers(sourceInfo: RoutesSourceInfo, namespace: Option[String], rules: List[Rule], namespaceReverseRouter: Boolean) = { | ||
rules.collect { case r: Route => r }.groupBy(_.call.packageName).map { | ||
case (pn, routes) => | ||
val packageName = namespace.filter(_ => namespaceReverseRouter).map(_ + "." + pn).getOrElse(pn) | ||
val controllers = routes.groupBy(_.call.controller).keys.toSeq | ||
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(packageName.replace(".", "/") + "/" + JavaWrapperFile) -> | ||
renderJavaWrappers(sourceInfo, namespace, packageName, controllers) | ||
} | ||
} | ||
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private def renderJavaWrappers( | ||
sourceInfo: RoutesSourceInfo, | ||
pkg: Option[String], | ||
packageName: String, | ||
controllers: Seq[String]) = s"""package $packageName; | ||
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import ${pkg getOrElse "_routes_"}.RoutesPrefix; | ||
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public class routes { | ||
""" + controllers.map { controller => | ||
s"""public static final ${packageName}.Reverse${controller} ${controller} = new ${packageName}.Reverse${controller}(RoutesPrefix.byNamePrefix()); | ||
""" | ||
}.mkString + """ | ||
}""" | ||
} |