bump up scala, sbt, swagger ui ver. and small fix

README.md

@@ -43,11 +43,9 @@ This plugin process files only with its name in the following list.
 
 ## Supported swagger file version
 
-This plugin uses [swagger-ui v3.28.0](https://github.com/swagger-api/swagger-ui/releases/tag/v3.28.0).
+This plugin uses [swagger-ui v3.49.0](https://github.com/swagger-api/swagger-ui/releases/tag/v3.49.0).
 
-Supported version fields are swagger: "2.0" and those that match openapi: 3.0.n (for example, openapi: 3.0.0).
-
-See also [compatibility](https://github.com/swagger-api/swagger-ui#compatibility).
+For supported version fields of swagger, please see [compatibility](https://github.com/swagger-api/swagger-ui#compatibility).
 
 ## Version
 

build.sbt

@@ -1,5 +1,5 @@
 name := "gitbucket-swagger-plugin"
 organization := "io.github.gitbucket"
-version := "1.0.5"
-scalaVersion := "2.13.0"
-gitbucketVersion := "4.33.0"
+version := "1.0.6"
+scalaVersion := "2.13.6"
+gitbucketVersion := "4.35.0"

project/build.properties

@@ -1 +1 @@
-sbt.version = 1.2.8
+sbt.version = 1.5.2

src/main/scala/Plugin.scala

@@ -18,6 +18,7 @@ class Plugin extends gitbucket.core.plugin.Plugin {
     new Version("1.0.3"),
     new Version("1.0.4"),
     new Version("1.0.5"),
+    new Version("1.0.6"),
   )
 
   private[this] var renderer: Option[SwaggerRenderer] = None
@@ -33,7 +34,7 @@ class Plugin extends gitbucket.core.plugin.Plugin {
   }
 
   override def shutdown(registry: PluginRegistry, context: ServletContext, settings: SystemSettings): Unit = {
-    renderer.map(r => r.shutdown())
+    renderer.foreach(r => r.shutdown())
   }
 
   override val assetsMappings = Seq("/swagger" -> "/swagger/assets")