diff --git a/modules/openapi-generator/src/main/resources/JavaVertXWebServer/apiHandler.mustache b/modules/openapi-generator/src/main/resources/JavaVertXWebServer/apiHandler.mustache
index 807f60e5b44d..06cbf51930bf 100644
--- a/modules/openapi-generator/src/main/resources/JavaVertXWebServer/apiHandler.mustache
+++ b/modules/openapi-generator/src/main/resources/JavaVertXWebServer/apiHandler.mustache
@@ -56,11 +56,7 @@ 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();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
diff --git a/modules/openapi-generator/src/main/resources/JavaVertXWebServer/supportFiles/ApiResponse.mustache b/modules/openapi-generator/src/main/resources/JavaVertXWebServer/supportFiles/ApiResponse.mustache
index 4554dd577ae8..f2fa3ddc9f2b 100644
--- a/modules/openapi-generator/src/main/resources/JavaVertXWebServer/supportFiles/ApiResponse.mustache
+++ b/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;
@@ -32,4 +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();
+        }
+    }
 }
diff --git a/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/ApiResponse.java b/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/ApiResponse.java
index 6e43aa3d74cd..28ab659970b0 100644
--- a/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/ApiResponse.java
+++ b/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/ApiResponse.java
@@ -1,4 +1,5 @@
 package org.openapitools.vertxweb.server;
+import io.vertx.ext.web.RoutingContext;
 
 public class ApiResponse<T> {
     private final T data;
@@ -32,4 +33,12 @@ public T getData() {
     public int getStatusCode() {
         return statusCode;
     }
+
+    public void sendResponse(RoutingContext routingContext){
+        if (this.hasData()) {
+            routingContext.json(this.getData());
+        } else {
+            routingContext.response().end();
+        }
+    }
 }
diff --git a/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/api/PetApiHandler.java b/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/api/PetApiHandler.java
index ef7ac405e2eb..9ccf7c493594 100644
--- a/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/api/PetApiHandler.java
+++ b/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/api/PetApiHandler.java
@@ -58,11 +58,7 @@ private void addPet(RoutingContext routingContext) {
         api.addPet(pet)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -82,11 +78,7 @@ private void deletePet(RoutingContext routingContext) {
         api.deletePet(petId, apiKey)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -104,11 +96,7 @@ private void findPetsByStatus(RoutingContext routingContext) {
         api.findPetsByStatus(status)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -126,11 +114,7 @@ private void findPetsByTags(RoutingContext routingContext) {
         api.findPetsByTags(tags)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -148,11 +132,7 @@ private void getPetById(RoutingContext routingContext) {
         api.getPetById(petId)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -171,11 +151,7 @@ private void updatePet(RoutingContext routingContext) {
         api.updatePet(pet)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -196,11 +172,7 @@ private void updatePetWithForm(RoutingContext routingContext) {
         api.updatePetWithForm(petId, formBody)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -220,11 +192,7 @@ private void uploadFile(RoutingContext routingContext) {
         api.uploadFile(petId, file)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
diff --git a/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/api/StoreApiHandler.java b/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/api/StoreApiHandler.java
index 6abff2c93378..abbf97ace19a 100644
--- a/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/api/StoreApiHandler.java
+++ b/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/api/StoreApiHandler.java
@@ -51,11 +51,7 @@ private void deleteOrder(RoutingContext routingContext) {
         api.deleteOrder(orderId)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -71,11 +67,7 @@ private void getInventory(RoutingContext routingContext) {
         api.getInventory()
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -93,11 +85,7 @@ private void getOrderById(RoutingContext routingContext) {
         api.getOrderById(orderId)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -116,11 +104,7 @@ private void placeOrder(RoutingContext routingContext) {
         api.placeOrder(order)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
diff --git a/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/api/UserApiHandler.java b/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/api/UserApiHandler.java
index 85beafc942d8..f1816c054989 100644
--- a/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/api/UserApiHandler.java
+++ b/samples/server/petstore/java-vertx-web/src/main/java/org/openapitools/vertxweb/server/api/UserApiHandler.java
@@ -56,11 +56,7 @@ private void createUser(RoutingContext routingContext) {
         api.createUser(user)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -79,11 +75,7 @@ private void createUsersWithArrayInput(RoutingContext routingContext) {
         api.createUsersWithArrayInput(user)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -102,11 +94,7 @@ private void createUsersWithListInput(RoutingContext routingContext) {
         api.createUsersWithListInput(user)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -124,11 +112,7 @@ private void deleteUser(RoutingContext routingContext) {
         api.deleteUser(username)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -146,11 +130,7 @@ private void getUserByName(RoutingContext routingContext) {
         api.getUserByName(username)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -170,11 +150,7 @@ private void loginUser(RoutingContext routingContext) {
         api.loginUser(username, password)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -190,11 +166,7 @@ private void logoutUser(RoutingContext routingContext) {
         api.logoutUser()
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }
@@ -215,11 +187,7 @@ private void updateUser(RoutingContext routingContext) {
         api.updateUser(username, user)
             .onSuccess(apiResponse -> {
                 routingContext.response().setStatusCode(apiResponse.getStatusCode());
-                if (apiResponse.hasData()) {
-                    routingContext.json(apiResponse.getData());
-                } else {
-                    routingContext.response().end();
-                }
+                apiResponse.sendResponse(routingContext);
             })
             .onFailure(routingContext::fail);
     }