Makes code formatting consistent and clean

src/main/kotlin/net/halfbinary/prettyplayerapi/config/WebConfig.kt

@@ -7,7 +7,7 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer
 
 @Configuration
 @EnableWebMvc
-class WebConfig: WebMvcConfigurer {
+class WebConfig : WebMvcConfigurer {
     override fun addCorsMappings(registry: CorsRegistry) {
         registry.addMapping("/**")
     }

src/main/kotlin/net/halfbinary/prettyplayerapi/controller/AlbumController.kt

@@ -4,7 +4,10 @@ import net.halfbinary.prettyplayerapi.model.AlbumInfo
 import net.halfbinary.prettyplayerapi.model.AlbumMetadata
 import net.halfbinary.prettyplayerapi.model.TrackInfo
 import net.halfbinary.prettyplayerapi.service.AlbumService
-import org.springframework.web.bind.annotation.*
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
 
 @RestController
 @RequestMapping("album")

src/main/kotlin/net/halfbinary/prettyplayerapi/controller/ImageController.kt

@@ -2,7 +2,10 @@ package net.halfbinary.prettyplayerapi.controller
 
 import net.halfbinary.prettyplayerapi.service.ImageService
 import org.springframework.http.MediaType
-import org.springframework.web.bind.annotation.*
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
 
 @RestController
 @RequestMapping("image")

src/main/kotlin/net/halfbinary/prettyplayerapi/controller/MusicController.kt

@@ -2,7 +2,10 @@ package net.halfbinary.prettyplayerapi.controller
 
 import net.halfbinary.prettyplayerapi.service.MusicService
 import org.springframework.http.ResponseEntity
-import org.springframework.web.bind.annotation.*
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
 import org.springframework.web.servlet.mvc.method.annotation.StreamingResponseBody
 
 @RestController
@@ -10,7 +13,10 @@ import org.springframework.web.servlet.mvc.method.annotation.StreamingResponseBo
 class MusicController(private val musicService: MusicService) {
 
     @GetMapping(value = ["/album/{albumHash}/track/{trackNumber}"], produces = ["audio/mpeg3"])
-    fun getAlbum(@PathVariable albumHash: String, @PathVariable trackNumber: Int): ResponseEntity<StreamingResponseBody> {
+    fun getAlbum(
+        @PathVariable albumHash: String,
+        @PathVariable trackNumber: Int
+    ): ResponseEntity<StreamingResponseBody> {
         val track = musicService.getMusic(albumHash, trackNumber)
         val responseBody = StreamingResponseBody { stream -> stream.write(track.readBytes()) }
         return ResponseEntity.ok().body(responseBody)

src/main/kotlin/net/halfbinary/prettyplayerapi/exception/AlbumFolderNotFoundException.kt

@@ -1,4 +1,4 @@
 package net.halfbinary.prettyplayerapi.exception
 
-class AlbumFolderNotFoundException(folder: String) : RuntimeException("Album folder $folder does not exist") {
-}
+class AlbumFolderNotFoundException(folder: String) :
+    RuntimeException("Album folder $folder does not exist")

src/main/kotlin/net/halfbinary/prettyplayerapi/exception/AlbumHashNotFoundException.kt

@@ -1,4 +1,3 @@
 package net.halfbinary.prettyplayerapi.exception
 
-class AlbumHashNotFoundException(hash: String) : RuntimeException("Album hash $hash not found") {
-}
+class AlbumHashNotFoundException(hash: String) : RuntimeException("Album hash $hash not found")

src/main/kotlin/net/halfbinary/prettyplayerapi/exception/EnvironmentVariableNotFoundException.kt

@@ -1,4 +1,4 @@
 package net.halfbinary.prettyplayerapi.exception
 
-class EnvironmentVariableNotFoundException(envVar: String) : RuntimeException("Environment variable $envVar does not exist, please specify") {
-}
+class EnvironmentVariableNotFoundException(envVar: String) :
+    RuntimeException("Environment variable $envVar does not exist, please specify")

src/main/kotlin/net/halfbinary/prettyplayerapi/exception/GlobalExceptionHandler.kt

@@ -10,28 +10,41 @@ class GlobalExceptionHandler {
     @ExceptionHandler
     fun handleEnvironmentVariableNotFoundException(e: EnvironmentVariableNotFoundException): ResponseEntity<ErrorResponse> {
         return ResponseEntity(
-            ErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR.value(),
-            e.message ?:""), HttpStatus.INTERNAL_SERVER_ERROR)
+            ErrorResponse(
+                HttpStatus.INTERNAL_SERVER_ERROR.value(),
+                e.message ?: ""
+            ), HttpStatus.INTERNAL_SERVER_ERROR
+        )
     }
 
     @ExceptionHandler
     fun handleAlbumHashNotFoundException(e: AlbumHashNotFoundException): ResponseEntity<ErrorResponse> {
         return ResponseEntity(
-            ErrorResponse(HttpStatus.BAD_REQUEST.value(),
-                e.message ?:""), HttpStatus.BAD_REQUEST)
+            ErrorResponse(
+                HttpStatus.BAD_REQUEST.value(),
+                e.message ?: ""
+            ), HttpStatus.BAD_REQUEST
+        )
     }
 
     @ExceptionHandler
     fun handleAlbumFolderNotFoundException(e: AlbumFolderNotFoundException): ResponseEntity<ErrorResponse> {
         return ResponseEntity(
-            ErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR.value(),
-                e.message ?:""), HttpStatus.INTERNAL_SERVER_ERROR)
+            ErrorResponse(
+                HttpStatus.INTERNAL_SERVER_ERROR.value(),
+                e.message ?: ""
+            ), HttpStatus.INTERNAL_SERVER_ERROR
+        )
     }
+
     @ExceptionHandler
     fun handleException(e: RuntimeException): ResponseEntity<ErrorResponse> {
         return ResponseEntity(
-            ErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR.value(),
-            e.message?:""), HttpStatus.INTERNAL_SERVER_ERROR)
+            ErrorResponse(
+                HttpStatus.INTERNAL_SERVER_ERROR.value(),
+                e.message ?: ""
+            ), HttpStatus.INTERNAL_SERVER_ERROR
+        )
     }
 
 }