https://github.com/OpenAPITools/openapi-generator/issues/9725

Author: klalit

modules/openapi-generator/src/main/resources/JavaVertXWebServer/apiHandler.mustache

@@ -56,11 +56,8 @@ public class {{classname}}Handler {
         api.{{operationId}}({{#allParams}}{{paramName}}{{^-last}}, {{/-last}}{{/allParams}})
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                routingContext.response().setStatusCode(apiResponse.getStatusCode());
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }

modules/openapi-generator/src/main/resources/JavaVertXWebServer/supportFiles/ApiResponse.mustache

@@ -1,4 +1,5 @@
 package {{invokerPackage}};
+import io.vertx.ext.web.RoutingContext;
 
 public class ApiResponse<T> {
     private final T data;
@@ -32,6 +33,12 @@ public class ApiResponse<T> {
     public int getStatusCode() {
         return statusCode;
     }
-}
-
 
+    public void sendResponse(RoutingContext routingContext){
+        if (this.hasData()) {
+            routingContext.json(this.getData());
+        } else {
+            routingContext.response().end();
+        }
+    }
+}