Add support for empty router in RouterFunctionDsl

Issue: SPR-17247
2018-09-05 16:53:59 +02:00
parent f8a0e3d084
commit 48c660fa41
2 changed files with 11 additions and 1 deletions
--- a/spring-webflux/src/main/kotlin/org/springframework/web/reactive/function/server/RouterFunctionDsl.kt
+++ b/spring-webflux/src/main/kotlin/org/springframework/web/reactive/function/server/RouterFunctionDsl.kt
@@ -546,7 +546,12 @@ open class RouterFunctionDsl(private val init: RouterFunctionDsl.() -> Unit) : (
 	 */
 	override fun invoke(): RouterFunction<ServerResponse> {
 		init()
-		return routes.reduce(RouterFunction<ServerResponse>::and)
+		return if (routes.isEmpty()) {
+			RouterFunction<ServerResponse> { Mono.empty() }
+		}
+		else {
+			routes.reduce(RouterFunction<ServerResponse>::and)
+		}
 	}

 }