[Play Framework] Regenerate the samples. It was very outdated (#3760)

* Generate the samples for Play Framework. It was very outdated

* Add java-play-framework to the ensure-up-to-date script

* Update samples

bin/utils/ensure-up-to-date

@@ -62,6 +62,7 @@ declare -a scripts=(
 "./bin/dart-flutter-petstore.sh"
 "./bin/dart-petstore.sh"
 "./bin/dart2-petstore.sh"
+"./bin/java-play-framework-petstore-server-all.sh"
 #"./bin/elm-petstore-all.sh"
 "./bin/meta-codegen.sh"
 # OTHERS

samples/server/petstore/java-play-framework-api-package-override/.openapi-generator/VERSION

@@ -1 +1 @@
-3.1.1-SNAPSHOT
+4.1.2-SNAPSHOT

samples/server/petstore/java-play-framework-api-package-override/app/apimodels/Category.java

@@ -12,10 +12,10 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Category   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("name")
-  private String name = null;
+  private String name;
 
   public Category id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-api-package-override/app/apimodels/ModelApiResponse.java

@@ -12,13 +12,13 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class ModelApiResponse   {
   @JsonProperty("code")
-  private Integer code = null;
+  private Integer code;
 
   @JsonProperty("type")
-  private String type = null;
+  private String type;
 
   @JsonProperty("message")
-  private String message = null;
+  private String message;
 
   public ModelApiResponse code(Integer code) {
     this.code = code;

samples/server/petstore/java-play-framework-api-package-override/app/apimodels/Order.java

@@ -13,16 +13,16 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Order   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("petId")
-  private Long petId = null;
+  private Long petId;
 
   @JsonProperty("quantity")
-  private Integer quantity = null;
+  private Integer quantity;
 
   @JsonProperty("shipDate")
-  private OffsetDateTime shipDate = null;
+  private OffsetDateTime shipDate;
 
   /**
    * Order Status
@@ -47,18 +47,18 @@ public class Order   {
     }
 
     @JsonCreator
-    public static StatusEnum fromValue(String text) {
+    public static StatusEnum fromValue(String value) {
       for (StatusEnum b : StatusEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
 
   @JsonProperty("status")
-  private StatusEnum status = null;
+  private StatusEnum status;
 
   @JsonProperty("complete")
   private Boolean complete = false;

samples/server/petstore/java-play-framework-api-package-override/app/apimodels/Pet.java

@@ -16,13 +16,13 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Pet   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("category")
-  private Category category = null;
+  private Category category;
 
   @JsonProperty("name")
-  private String name = null;
+  private String name;
 
   @JsonProperty("photoUrls")
   private List<String> photoUrls = new ArrayList<>();
@@ -53,18 +53,18 @@ public class Pet   {
     }
 
     @JsonCreator
-    public static StatusEnum fromValue(String text) {
+    public static StatusEnum fromValue(String value) {
       for (StatusEnum b : StatusEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
 
   @JsonProperty("status")
-  private StatusEnum status = null;
+  private StatusEnum status;
 
   public Pet id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-api-package-override/app/apimodels/Tag.java

@@ -12,10 +12,10 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Tag   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("name")
-  private String name = null;
+  private String name;
 
   public Tag id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-api-package-override/app/apimodels/User.java

@@ -12,28 +12,28 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class User   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("username")
-  private String username = null;
+  private String username;
 
   @JsonProperty("firstName")
-  private String firstName = null;
+  private String firstName;
 
   @JsonProperty("lastName")
-  private String lastName = null;
+  private String lastName;
 
   @JsonProperty("email")
-  private String email = null;
+  private String email;
 
   @JsonProperty("password")
-  private String password = null;
+  private String password;
 
   @JsonProperty("phone")
-  private String phone = null;
+  private String phone;
 
   @JsonProperty("userStatus")
-  private Integer userStatus = null;
+  private Integer userStatus;
 
   public User id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/PetApiController.java

@@ -39,17 +39,17 @@ public class PetApiController extends Controller {
 
     @ApiAction
     public Result addPet() throws Exception {
-        JsonNode nodepet = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        Pet pet;
+        Pet body;
-        if (nodepet != null) {
+        if (nodebody != null) {
-            pet = mapper.readValue(nodepet.toString(), Pet.class);
+            body = mapper.readValue(nodebody.toString(), Pet.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(pet);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'Pet' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        imp.addPet(pet);
+        imp.addPet(body);
         return ok();
     }
 
@@ -126,17 +126,17 @@ public class PetApiController extends Controller {
 
     @ApiAction
     public Result updatePet() throws Exception {
-        JsonNode nodepet = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        Pet pet;
+        Pet body;
-        if (nodepet != null) {
+        if (nodebody != null) {
-            pet = mapper.readValue(nodepet.toString(), Pet.class);
+            body = mapper.readValue(nodebody.toString(), Pet.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(pet);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'Pet' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        imp.updatePet(pet);
+        imp.updatePet(body);
         return ok();
     }
 
@@ -147,14 +147,14 @@ public class PetApiController extends Controller {
         if (valuename != null) {
             name = valuename;
         } else {
-            name = "null";
+            name = null;
         }
         String valuestatus = (request().body().asMultipartFormData().asFormUrlEncoded().get("status"))[0];
         String status;
         if (valuestatus != null) {
             status = valuestatus;
         } else {
-            status = "null";
+            status = null;
         }
         imp.updatePetWithForm(petId, name, status);
         return ok();
@@ -167,7 +167,7 @@ public class PetApiController extends Controller {
         if (valueadditionalMetadata != null) {
             additionalMetadata = valueadditionalMetadata;
         } else {
-            additionalMetadata = "null";
+            additionalMetadata = null;
         }
         Http.MultipartFormData.FilePart file = request().body().asMultipartFormData().getFile("file");
         ModelApiResponse obj = imp.uploadFile(petId, additionalMetadata, file);

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/PetApiControllerImp.java

@@ -13,7 +13,7 @@ import javax.validation.constraints.*;
 
 public class PetApiControllerImp implements PetApiControllerImpInterface {
     @Override
-    public void addPet(Pet pet) throws Exception {
+    public void addPet(Pet body) throws Exception {
         //Do your magic!!!
     }
 
@@ -41,7 +41,7 @@ public class PetApiControllerImp implements PetApiControllerImpInterface {
     }
 
     @Override
-    public void updatePet(Pet pet) throws Exception {
+    public void updatePet(Pet body) throws Exception {
         //Do your magic!!!
     }
 

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/PetApiControllerImpInterface.java

@@ -13,7 +13,7 @@ import javax.validation.constraints.*;
 
 @SuppressWarnings("RedundantThrows")
 public interface PetApiControllerImpInterface {
-    void addPet(Pet pet) throws Exception;
+    void addPet(Pet body) throws Exception;
 
     void deletePet(Long petId, String apiKey) throws Exception;
 
@@ -23,7 +23,7 @@ public interface PetApiControllerImpInterface {
 
     Pet getPetById(Long petId) throws Exception;
 
-    void updatePet(Pet pet) throws Exception;
+    void updatePet(Pet body) throws Exception;
 
     void updatePetWithForm(Long petId, String name, String status) throws Exception;
 

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/StoreApiController.java

@@ -61,17 +61,17 @@ public class StoreApiController extends Controller {
 
     @ApiAction
     public Result placeOrder() throws Exception {
-        JsonNode nodeorder = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        Order order;
+        Order body;
-        if (nodeorder != null) {
+        if (nodebody != null) {
-            order = mapper.readValue(nodeorder.toString(), Order.class);
+            body = mapper.readValue(nodebody.toString(), Order.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(order);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'Order' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        Order obj = imp.placeOrder(order);
+        Order obj = imp.placeOrder(body);
         if (configuration.getBoolean("useOutputBeanValidation")) {
             OpenAPIUtils.validate(obj);
         }

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/StoreApiControllerImp.java

@@ -29,7 +29,7 @@ public class StoreApiControllerImp implements StoreApiControllerImpInterface {
     }
 
     @Override
-    public Order placeOrder(Order order) throws Exception {
+    public Order placeOrder(Order body) throws Exception {
         //Do your magic!!!
         return new Order();
     }

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/StoreApiControllerImpInterface.java

@@ -18,6 +18,6 @@ public interface StoreApiControllerImpInterface {
 
     Order getOrderById( @Min(1) @Max(5)Long orderId) throws Exception;
 
-    Order placeOrder(Order order) throws Exception;
+    Order placeOrder(Order body) throws Exception;
 
 }

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/UserApiController.java

@@ -38,53 +38,53 @@ public class UserApiController extends Controller {
 
     @ApiAction
     public Result createUser() throws Exception {
-        JsonNode nodeuser = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        User user;
+        User body;
-        if (nodeuser != null) {
+        if (nodebody != null) {
-            user = mapper.readValue(nodeuser.toString(), User.class);
+            body = mapper.readValue(nodebody.toString(), User.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(user);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'User' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        imp.createUser(user);
+        imp.createUser(body);
         return ok();
     }
 
     @ApiAction
     public Result createUsersWithArrayInput() throws Exception {
-        JsonNode nodeuser = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        List<User> user;
+        List<User> body;
-        if (nodeuser != null) {
+        if (nodebody != null) {
-            user = mapper.readValue(nodeuser.toString(), new TypeReference<List<User>>(){});
+            body = mapper.readValue(nodebody.toString(), new TypeReference<List<User>>(){});
             if (configuration.getBoolean("useInputBeanValidation")) {
-                for (User curItem : user) {
+                for (User curItem : body) {
                     OpenAPIUtils.validate(curItem);
                 }
             }
         } else {
-            throw new IllegalArgumentException("'User' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        imp.createUsersWithArrayInput(user);
+        imp.createUsersWithArrayInput(body);
         return ok();
     }
 
     @ApiAction
     public Result createUsersWithListInput() throws Exception {
-        JsonNode nodeuser = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        List<User> user;
+        List<User> body;
-        if (nodeuser != null) {
+        if (nodebody != null) {
-            user = mapper.readValue(nodeuser.toString(), new TypeReference<List<User>>(){});
+            body = mapper.readValue(nodebody.toString(), new TypeReference<List<User>>(){});
             if (configuration.getBoolean("useInputBeanValidation")) {
-                for (User curItem : user) {
+                for (User curItem : body) {
                     OpenAPIUtils.validate(curItem);
                 }
             }
         } else {
-            throw new IllegalArgumentException("'User' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        imp.createUsersWithListInput(user);
+        imp.createUsersWithListInput(body);
         return ok();
     }
 
@@ -133,17 +133,17 @@ public class UserApiController extends Controller {
 
     @ApiAction
     public Result updateUser(String username) throws Exception {
-        JsonNode nodeuser = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        User user;
+        User body;
-        if (nodeuser != null) {
+        if (nodebody != null) {
-            user = mapper.readValue(nodeuser.toString(), User.class);
+            body = mapper.readValue(nodebody.toString(), User.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(user);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'User' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        imp.updateUser(username, user);
+        imp.updateUser(username, body);
         return ok();
     }
 }

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/UserApiControllerImp.java

@@ -12,17 +12,17 @@ import javax.validation.constraints.*;
 
 public class UserApiControllerImp implements UserApiControllerImpInterface {
     @Override
-    public void createUser(User user) throws Exception {
+    public void createUser(User body) throws Exception {
         //Do your magic!!!
     }
 
     @Override
-    public void createUsersWithArrayInput(List<User> user) throws Exception {
+    public void createUsersWithArrayInput(List<User> body) throws Exception {
         //Do your magic!!!
     }
 
     @Override
-    public void createUsersWithListInput(List<User> user) throws Exception {
+    public void createUsersWithListInput(List<User> body) throws Exception {
         //Do your magic!!!
     }
 
@@ -49,7 +49,7 @@ public class UserApiControllerImp implements UserApiControllerImpInterface {
     }
 
     @Override
-    public void updateUser(String username, User user) throws Exception {
+    public void updateUser(String username, User body) throws Exception {
         //Do your magic!!!
     }
 

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/UserApiControllerImpInterface.java

@@ -12,11 +12,11 @@ import javax.validation.constraints.*;
 
 @SuppressWarnings("RedundantThrows")
 public interface UserApiControllerImpInterface {
-    void createUser(User user) throws Exception;
+    void createUser(User body) throws Exception;
 
-    void createUsersWithArrayInput(List<User> user) throws Exception;
+    void createUsersWithArrayInput(List<User> body) throws Exception;
 
-    void createUsersWithListInput(List<User> user) throws Exception;
+    void createUsersWithListInput(List<User> body) throws Exception;
 
     void deleteUser(String username) throws Exception;
 
@@ -26,6 +26,6 @@ public interface UserApiControllerImpInterface {
 
     void logoutUser() throws Exception;
 
-    void updateUser(String username, User user) throws Exception;
+    void updateUser(String username, User body) throws Exception;
 
 }

samples/server/petstore/java-play-framework-api-package-override/app/openapitools/OpenAPIUtils.java

@@ -98,6 +98,6 @@ public class OpenAPIUtils {
     }
 
     public static String formatDatetime(Date date) {
-    	return new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX").format(date);
+        return new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX", Locale.ROOT).format(date);
     }
 }

samples/server/petstore/java-play-framework-async/.openapi-generator/VERSION

@@ -1 +1 @@
-3.1.1-SNAPSHOT
+4.1.2-SNAPSHOT

samples/server/petstore/java-play-framework-async/app/apimodels/Category.java

@@ -12,10 +12,10 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Category   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("name")
-  private String name = null;
+  private String name;
 
   public Category id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-async/app/apimodels/ModelApiResponse.java

@@ -12,13 +12,13 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class ModelApiResponse   {
   @JsonProperty("code")
-  private Integer code = null;
+  private Integer code;
 
   @JsonProperty("type")
-  private String type = null;
+  private String type;
 
   @JsonProperty("message")
-  private String message = null;
+  private String message;
 
   public ModelApiResponse code(Integer code) {
     this.code = code;

samples/server/petstore/java-play-framework-async/app/apimodels/Order.java

@@ -13,16 +13,16 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Order   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("petId")
-  private Long petId = null;
+  private Long petId;
 
   @JsonProperty("quantity")
-  private Integer quantity = null;
+  private Integer quantity;
 
   @JsonProperty("shipDate")
-  private OffsetDateTime shipDate = null;
+  private OffsetDateTime shipDate;
 
   /**
    * Order Status
@@ -47,18 +47,18 @@ public class Order   {
     }
 
     @JsonCreator
-    public static StatusEnum fromValue(String text) {
+    public static StatusEnum fromValue(String value) {
       for (StatusEnum b : StatusEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
 
   @JsonProperty("status")
-  private StatusEnum status = null;
+  private StatusEnum status;
 
   @JsonProperty("complete")
   private Boolean complete = false;

samples/server/petstore/java-play-framework-async/app/apimodels/Pet.java

@@ -16,13 +16,13 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Pet   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("category")
-  private Category category = null;
+  private Category category;
 
   @JsonProperty("name")
-  private String name = null;
+  private String name;
 
   @JsonProperty("photoUrls")
   private List<String> photoUrls = new ArrayList<>();
@@ -53,18 +53,18 @@ public class Pet   {
     }
 
     @JsonCreator
-    public static StatusEnum fromValue(String text) {
+    public static StatusEnum fromValue(String value) {
       for (StatusEnum b : StatusEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
 
   @JsonProperty("status")
-  private StatusEnum status = null;
+  private StatusEnum status;
 
   public Pet id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-async/app/apimodels/Tag.java

@@ -12,10 +12,10 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Tag   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("name")
-  private String name = null;
+  private String name;
 
   public Tag id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-async/app/apimodels/User.java

@@ -12,28 +12,28 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class User   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("username")
-  private String username = null;
+  private String username;
 
   @JsonProperty("firstName")
-  private String firstName = null;
+  private String firstName;
 
   @JsonProperty("lastName")
-  private String lastName = null;
+  private String lastName;
 
   @JsonProperty("email")
-  private String email = null;
+  private String email;
 
   @JsonProperty("password")
-  private String password = null;
+  private String password;
 
   @JsonProperty("phone")
-  private String phone = null;
+  private String phone;
 
   @JsonProperty("userStatus")
-  private Integer userStatus = null;
+  private Integer userStatus;
 
   public User id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-async/app/controllers/PetApiController.java

@@ -17,9 +17,6 @@ import java.io.File;
 import openapitools.OpenAPIUtils;
 import com.fasterxml.jackson.core.type.TypeReference;
 
-import java.util.concurrent.CompletionStage;
-import java.util.concurrent.CompletableFuture;
-
 import javax.validation.constraints.*;
 import play.Configuration;
 
@@ -41,25 +38,23 @@ public class PetApiController extends Controller {
 
 
     @ApiAction
-    public CompletionStage<Result> addPet() throws Exception {
+    public Result addPet() throws Exception {
-        JsonNode nodepet = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        Pet pet;
+        Pet body;
-        if (nodepet != null) {
+        if (nodebody != null) {
-            pet = mapper.readValue(nodepet.toString(), Pet.class);
+            body = mapper.readValue(nodebody.toString(), Pet.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(pet);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'Pet' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        return CompletableFuture.supplyAsync(() -> {
+        imp.addPet(body);
-            imp.addPet(pet)
         return ok();
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> deletePet(Long petId) throws Exception {
+    public Result deletePet(Long petId) throws Exception {
         String valueapiKey = request().getHeader("api_key");
         String apiKey;
         if (valueapiKey != null) {
@@ -67,14 +62,12 @@ public class PetApiController extends Controller {
         } else {
             apiKey = null;
         }
-        return CompletableFuture.supplyAsync(() -> {
+        imp.deletePet(petId, apiKey);
-            imp.deletePet(petId, apiKey)
         return ok();
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> findPetsByStatus() throws Exception {
+    public Result findPetsByStatus() throws Exception {
         String[] statusArray = request().queryString().get("status");
         if (statusArray == null) {
             throw new IllegalArgumentException("'status' parameter is required");
@@ -87,22 +80,18 @@ public class PetApiController extends Controller {
                 status.add(curParam);
             }
         }
-        CompletionStage<List<Pet>> stage = imp.findPetsByStatus(status).thenApply(obj -> { 
+        List<Pet> obj = imp.findPetsByStatus(status);
         if (configuration.getBoolean("useOutputBeanValidation")) {
             for (Pet curItem : obj) {
                 OpenAPIUtils.validate(curItem);
             }
         }
-            return obj;
-        });
-        stage.thenApply(obj -> {
         JsonNode result = mapper.valueToTree(obj);
         return ok(result);
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> findPetsByTags() throws Exception {
+    public Result findPetsByTags() throws Exception {
         String[] tagsArray = request().queryString().get("tags");
         if (tagsArray == null) {
             throw new IllegalArgumentException("'tags' parameter is required");
@@ -115,93 +104,77 @@ public class PetApiController extends Controller {
                 tags.add(curParam);
             }
         }
-        CompletionStage<List<Pet>> stage = imp.findPetsByTags(tags).thenApply(obj -> { 
+        List<Pet> obj = imp.findPetsByTags(tags);
         if (configuration.getBoolean("useOutputBeanValidation")) {
             for (Pet curItem : obj) {
                 OpenAPIUtils.validate(curItem);
             }
         }
-            return obj;
-        });
-        stage.thenApply(obj -> {
         JsonNode result = mapper.valueToTree(obj);
         return ok(result);
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> getPetById(Long petId) throws Exception {
+    public Result getPetById(Long petId) throws Exception {
-        CompletionStage<Pet> stage = imp.getPetById(petId).thenApply(obj -> { 
+        Pet obj = imp.getPetById(petId);
         if (configuration.getBoolean("useOutputBeanValidation")) {
             OpenAPIUtils.validate(obj);
         }
-            return obj;
-        });
-        stage.thenApply(obj -> {
         JsonNode result = mapper.valueToTree(obj);
         return ok(result);
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> updatePet() throws Exception {
+    public Result updatePet() throws Exception {
-        JsonNode nodepet = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        Pet pet;
+        Pet body;
-        if (nodepet != null) {
+        if (nodebody != null) {
-            pet = mapper.readValue(nodepet.toString(), Pet.class);
+            body = mapper.readValue(nodebody.toString(), Pet.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(pet);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'Pet' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        return CompletableFuture.supplyAsync(() -> {
+        imp.updatePet(body);
-            imp.updatePet(pet)
         return ok();
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> updatePetWithForm(Long petId) throws Exception {
+    public Result updatePetWithForm(Long petId) throws Exception {
         String valuename = (request().body().asMultipartFormData().asFormUrlEncoded().get("name"))[0];
         String name;
         if (valuename != null) {
             name = valuename;
         } else {
-            name = "null";
+            name = null;
         }
         String valuestatus = (request().body().asMultipartFormData().asFormUrlEncoded().get("status"))[0];
         String status;
         if (valuestatus != null) {
             status = valuestatus;
         } else {
-            status = "null";
+            status = null;
         }
-        return CompletableFuture.supplyAsync(() -> {
+        imp.updatePetWithForm(petId, name, status);
-            imp.updatePetWithForm(petId, name, status)
         return ok();
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> uploadFile(Long petId) throws Exception {
+    public Result uploadFile(Long petId) throws Exception {
         String valueadditionalMetadata = (request().body().asMultipartFormData().asFormUrlEncoded().get("additionalMetadata"))[0];
         String additionalMetadata;
         if (valueadditionalMetadata != null) {
             additionalMetadata = valueadditionalMetadata;
         } else {
-            additionalMetadata = "null";
+            additionalMetadata = null;
         }
         Http.MultipartFormData.FilePart file = request().body().asMultipartFormData().getFile("file");
-        CompletionStage<ModelApiResponse> stage = imp.uploadFile(petId, additionalMetadata, file).thenApply(obj -> { 
+        ModelApiResponse obj = imp.uploadFile(petId, additionalMetadata, file);
         if (configuration.getBoolean("useOutputBeanValidation")) {
             OpenAPIUtils.validate(obj);
         }
-            return obj;
-        });
-        stage.thenApply(obj -> {
         JsonNode result = mapper.valueToTree(obj);
         return ok(result);
-        });
     }
 }

samples/server/petstore/java-play-framework-async/app/controllers/PetApiControllerImp.java

@@ -13,7 +13,7 @@ import javax.validation.constraints.*;
 
 public class PetApiControllerImp implements PetApiControllerImpInterface {
     @Override
-    public void addPet(Pet pet) throws Exception {
+    public void addPet(Pet body) throws Exception {
         //Do your magic!!!
     }
 
@@ -23,31 +23,25 @@ public class PetApiControllerImp implements PetApiControllerImpInterface {
     }
 
     @Override
-    public CompletionStage<List<Pet>> findPetsByStatus( @NotNull List<String> status) throws Exception {
+    public List<Pet> findPetsByStatus( @NotNull List<String> status) throws Exception {
         //Do your magic!!!
-        return CompletableFuture.supplyAsync(() -> {
         return new ArrayList<Pet>();
-        });
     }
 
     @Override
-    public CompletionStage<List<Pet>> findPetsByTags( @NotNull List<String> tags) throws Exception {
+    public List<Pet> findPetsByTags( @NotNull List<String> tags) throws Exception {
         //Do your magic!!!
-        return CompletableFuture.supplyAsync(() -> {
         return new ArrayList<Pet>();
-        });
     }
 
     @Override
-    public CompletionStage<Pet> getPetById(Long petId) throws Exception {
+    public Pet getPetById(Long petId) throws Exception {
         //Do your magic!!!
-        return CompletableFuture.supplyAsync(() -> {
         return new Pet();
-        });
     }
 
     @Override
-    public void updatePet(Pet pet) throws Exception {
+    public void updatePet(Pet body) throws Exception {
         //Do your magic!!!
     }
 
@@ -57,11 +51,9 @@ public class PetApiControllerImp implements PetApiControllerImpInterface {
     }
 
     @Override
-    public CompletionStage<ModelApiResponse> uploadFile(Long petId, String additionalMetadata, Http.MultipartFormData.FilePart file) throws Exception {
+    public ModelApiResponse uploadFile(Long petId, String additionalMetadata, Http.MultipartFormData.FilePart file) throws Exception {
         //Do your magic!!!
-        return CompletableFuture.supplyAsync(() -> {
         return new ModelApiResponse();
-        });
     }
 
 }

samples/server/petstore/java-play-framework-async/app/controllers/PetApiControllerImpInterface.java

@@ -8,27 +8,25 @@ import play.mvc.Http;
 import java.util.List;
 import java.util.ArrayList;
 import java.util.HashMap;
-import java.util.concurrent.CompletionStage;
-import java.util.concurrent.CompletableFuture;
 
 import javax.validation.constraints.*;
 
 @SuppressWarnings("RedundantThrows")
 public interface PetApiControllerImpInterface {
-    void addPet(Pet pet) throws Exception;
+    void addPet(Pet body) throws Exception;
 
     void deletePet(Long petId, String apiKey) throws Exception;
 
-    CompletionStage<List<Pet>> findPetsByStatus( @NotNull List<String> status) throws Exception;
+    List<Pet> findPetsByStatus( @NotNull List<String> status) throws Exception;
 
-    CompletionStage<List<Pet>> findPetsByTags( @NotNull List<String> tags) throws Exception;
+    List<Pet> findPetsByTags( @NotNull List<String> tags) throws Exception;
 
-    CompletionStage<Pet> getPetById(Long petId) throws Exception;
+    Pet getPetById(Long petId) throws Exception;
 
-    void updatePet(Pet pet) throws Exception;
+    void updatePet(Pet body) throws Exception;
 
     void updatePetWithForm(Long petId, String name, String status) throws Exception;
 
-    CompletionStage<ModelApiResponse> uploadFile(Long petId, String additionalMetadata, Http.MultipartFormData.FilePart file) throws Exception;
+    ModelApiResponse uploadFile(Long petId, String additionalMetadata, Http.MultipartFormData.FilePart file) throws Exception;
 
 }

samples/server/petstore/java-play-framework-async/app/controllers/StoreApiController.java

@@ -16,9 +16,6 @@ import java.io.File;
 import openapitools.OpenAPIUtils;
 import com.fasterxml.jackson.core.type.TypeReference;
 
-import java.util.concurrent.CompletionStage;
-import java.util.concurrent.CompletableFuture;
-
 import javax.validation.constraints.*;
 import play.Configuration;
 
@@ -40,59 +37,45 @@ public class StoreApiController extends Controller {
 
 
     @ApiAction
-    public CompletionStage<Result> deleteOrder(String orderId) throws Exception {
+    public Result deleteOrder(String orderId) throws Exception {
-        return CompletableFuture.supplyAsync(() -> {
+        imp.deleteOrder(orderId);
-            imp.deleteOrder(orderId)
         return ok();
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> getInventory() throws Exception {
+    public Result getInventory() throws Exception {
-        CompletionStage<Map<String, Integer>> stage = imp.getInventory().thenApply(obj -> { 
+        Map<String, Integer> obj = imp.getInventory();
-            return obj;
-        });
-        stage.thenApply(obj -> {
         JsonNode result = mapper.valueToTree(obj);
         return ok(result);
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> getOrderById( @Min(1) @Max(5)Long orderId) throws Exception {
+    public Result getOrderById( @Min(1) @Max(5)Long orderId) throws Exception {
-        CompletionStage<Order> stage = imp.getOrderById(orderId).thenApply(obj -> { 
+        Order obj = imp.getOrderById(orderId);
         if (configuration.getBoolean("useOutputBeanValidation")) {
             OpenAPIUtils.validate(obj);
         }
-            return obj;
-        });
-        stage.thenApply(obj -> {
         JsonNode result = mapper.valueToTree(obj);
         return ok(result);
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> placeOrder() throws Exception {
+    public Result placeOrder() throws Exception {
-        JsonNode nodeorder = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        Order order;
+        Order body;
-        if (nodeorder != null) {
+        if (nodebody != null) {
-            order = mapper.readValue(nodeorder.toString(), Order.class);
+            body = mapper.readValue(nodebody.toString(), Order.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(order);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'Order' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        CompletionStage<Order> stage = imp.placeOrder(order).thenApply(obj -> { 
+        Order obj = imp.placeOrder(body);
         if (configuration.getBoolean("useOutputBeanValidation")) {
             OpenAPIUtils.validate(obj);
         }
-            return obj;
-        });
-        stage.thenApply(obj -> {
         JsonNode result = mapper.valueToTree(obj);
         return ok(result);
-        });
     }
 }

samples/server/petstore/java-play-framework-async/app/controllers/StoreApiControllerImp.java

@@ -17,27 +17,21 @@ public class StoreApiControllerImp implements StoreApiControllerImpInterface {
     }
 
     @Override
-    public CompletionStage<Map<String, Integer>> getInventory() throws Exception {
+    public Map<String, Integer> getInventory() throws Exception {
         //Do your magic!!!
-        return CompletableFuture.supplyAsync(() -> {
         return new HashMap<String, Integer>();
-        });
     }
 
     @Override
-    public CompletionStage<Order> getOrderById( @Min(1) @Max(5)Long orderId) throws Exception {
+    public Order getOrderById( @Min(1) @Max(5)Long orderId) throws Exception {
         //Do your magic!!!
-        return CompletableFuture.supplyAsync(() -> {
         return new Order();
-        });
     }
 
     @Override
-    public CompletionStage<Order> placeOrder(Order order) throws Exception {
+    public Order placeOrder(Order body) throws Exception {
         //Do your magic!!!
-        return CompletableFuture.supplyAsync(() -> {
         return new Order();
-        });
     }
 
 }

samples/server/petstore/java-play-framework-async/app/controllers/StoreApiControllerImpInterface.java

@@ -7,8 +7,6 @@ import play.mvc.Http;
 import java.util.List;
 import java.util.ArrayList;
 import java.util.HashMap;
-import java.util.concurrent.CompletionStage;
-import java.util.concurrent.CompletableFuture;
 
 import javax.validation.constraints.*;
 
@@ -16,10 +14,10 @@ import javax.validation.constraints.*;
 public interface StoreApiControllerImpInterface {
     void deleteOrder(String orderId) throws Exception;
 
-    CompletionStage<Map<String, Integer>> getInventory() throws Exception;
+    Map<String, Integer> getInventory() throws Exception;
 
-    CompletionStage<Order> getOrderById( @Min(1) @Max(5)Long orderId) throws Exception;
+    Order getOrderById( @Min(1) @Max(5)Long orderId) throws Exception;
 
-    CompletionStage<Order> placeOrder(Order order) throws Exception;
+    Order placeOrder(Order body) throws Exception;
 
 }

samples/server/petstore/java-play-framework-async/app/controllers/UserApiController.java

@@ -16,9 +16,6 @@ import java.io.File;
 import openapitools.OpenAPIUtils;
 import com.fasterxml.jackson.core.type.TypeReference;
 
-import java.util.concurrent.CompletionStage;
-import java.util.concurrent.CompletableFuture;
-
 import javax.validation.constraints.*;
 import play.Configuration;
 
@@ -40,87 +37,75 @@ public class UserApiController extends Controller {
 
 
     @ApiAction
-    public CompletionStage<Result> createUser() throws Exception {
+    public Result createUser() throws Exception {
-        JsonNode nodeuser = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        User user;
+        User body;
-        if (nodeuser != null) {
+        if (nodebody != null) {
-            user = mapper.readValue(nodeuser.toString(), User.class);
+            body = mapper.readValue(nodebody.toString(), User.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(user);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'User' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        return CompletableFuture.supplyAsync(() -> {
+        imp.createUser(body);
-            imp.createUser(user)
         return ok();
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> createUsersWithArrayInput() throws Exception {
+    public Result createUsersWithArrayInput() throws Exception {
-        JsonNode nodeuser = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        List<User> user;
+        List<User> body;
-        if (nodeuser != null) {
+        if (nodebody != null) {
-            user = mapper.readValue(nodeuser.toString(), new TypeReference<List<User>>(){});
+            body = mapper.readValue(nodebody.toString(), new TypeReference<List<User>>(){});
             if (configuration.getBoolean("useInputBeanValidation")) {
-                for (User curItem : user) {
+                for (User curItem : body) {
                     OpenAPIUtils.validate(curItem);
                 }
             }
         } else {
-            throw new IllegalArgumentException("'User' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        return CompletableFuture.supplyAsync(() -> {
+        imp.createUsersWithArrayInput(body);
-            imp.createUsersWithArrayInput(user)
         return ok();
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> createUsersWithListInput() throws Exception {
+    public Result createUsersWithListInput() throws Exception {
-        JsonNode nodeuser = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        List<User> user;
+        List<User> body;
-        if (nodeuser != null) {
+        if (nodebody != null) {
-            user = mapper.readValue(nodeuser.toString(), new TypeReference<List<User>>(){});
+            body = mapper.readValue(nodebody.toString(), new TypeReference<List<User>>(){});
             if (configuration.getBoolean("useInputBeanValidation")) {
-                for (User curItem : user) {
+                for (User curItem : body) {
                     OpenAPIUtils.validate(curItem);
                 }
             }
         } else {
-            throw new IllegalArgumentException("'User' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        return CompletableFuture.supplyAsync(() -> {
+        imp.createUsersWithListInput(body);
-            imp.createUsersWithListInput(user)
         return ok();
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> deleteUser(String username) throws Exception {
+    public Result deleteUser(String username) throws Exception {
-        return CompletableFuture.supplyAsync(() -> {
+        imp.deleteUser(username);
-            imp.deleteUser(username)
         return ok();
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> getUserByName(String username) throws Exception {
+    public Result getUserByName(String username) throws Exception {
-        CompletionStage<User> stage = imp.getUserByName(username).thenApply(obj -> { 
+        User obj = imp.getUserByName(username);
         if (configuration.getBoolean("useOutputBeanValidation")) {
             OpenAPIUtils.validate(obj);
         }
-            return obj;
-        });
-        stage.thenApply(obj -> {
         JsonNode result = mapper.valueToTree(obj);
         return ok(result);
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> loginUser() throws Exception {
+    public Result loginUser() throws Exception {
         String valueusername = request().getQueryString("username");
         String username;
         if (valueusername != null) {
@@ -135,38 +120,30 @@ public class UserApiController extends Controller {
         } else {
             throw new IllegalArgumentException("'password' parameter is required");
         }
-        CompletionStage<String> stage = imp.loginUser(username, password).thenApply(obj -> { 
+        String obj = imp.loginUser(username, password);
-            return obj;
-        });
-        stage.thenApply(obj -> {
         JsonNode result = mapper.valueToTree(obj);
         return ok(result);
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> logoutUser() throws Exception {
+    public Result logoutUser() throws Exception {
-        return CompletableFuture.supplyAsync(() -> {
+        imp.logoutUser();
-            imp.logoutUser()
         return ok();
-        });
     }
 
     @ApiAction
-    public CompletionStage<Result> updateUser(String username) throws Exception {
+    public Result updateUser(String username) throws Exception {
-        JsonNode nodeuser = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        User user;
+        User body;
-        if (nodeuser != null) {
+        if (nodebody != null) {
-            user = mapper.readValue(nodeuser.toString(), User.class);
+            body = mapper.readValue(nodebody.toString(), User.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(user);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'User' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        return CompletableFuture.supplyAsync(() -> {
+        imp.updateUser(username, body);
-            imp.updateUser(username, user)
         return ok();
-        });
     }
 }

samples/server/petstore/java-play-framework-async/app/controllers/UserApiControllerImp.java

@@ -12,17 +12,17 @@ import javax.validation.constraints.*;
 
 public class UserApiControllerImp implements UserApiControllerImpInterface {
     @Override
-    public void createUser(User user) throws Exception {
+    public void createUser(User body) throws Exception {
         //Do your magic!!!
     }
 
     @Override
-    public void createUsersWithArrayInput(List<User> user) throws Exception {
+    public void createUsersWithArrayInput(List<User> body) throws Exception {
         //Do your magic!!!
     }
 
     @Override
-    public void createUsersWithListInput(List<User> user) throws Exception {
+    public void createUsersWithListInput(List<User> body) throws Exception {
         //Do your magic!!!
     }
 
@@ -32,19 +32,15 @@ public class UserApiControllerImp implements UserApiControllerImpInterface {
     }
 
     @Override
-    public CompletionStage<User> getUserByName(String username) throws Exception {
+    public User getUserByName(String username) throws Exception {
         //Do your magic!!!
-        return CompletableFuture.supplyAsync(() -> {
         return new User();
-        });
     }
 
     @Override
-    public CompletionStage<String> loginUser( @NotNull String username,  @NotNull String password) throws Exception {
+    public String loginUser( @NotNull String username,  @NotNull String password) throws Exception {
         //Do your magic!!!
-        return CompletableFuture.supplyAsync(() -> {
         return new String();
-        });
     }
 
     @Override
@@ -53,7 +49,7 @@ public class UserApiControllerImp implements UserApiControllerImpInterface {
     }
 
     @Override
-    public void updateUser(String username, User user) throws Exception {
+    public void updateUser(String username, User body) throws Exception {
         //Do your magic!!!
     }
 

samples/server/petstore/java-play-framework-async/app/controllers/UserApiControllerImpInterface.java

@@ -7,27 +7,25 @@ import play.mvc.Http;
 import java.util.List;
 import java.util.ArrayList;
 import java.util.HashMap;
-import java.util.concurrent.CompletionStage;
-import java.util.concurrent.CompletableFuture;
 
 import javax.validation.constraints.*;
 
 @SuppressWarnings("RedundantThrows")
 public interface UserApiControllerImpInterface {
-    void createUser(User user) throws Exception;
+    void createUser(User body) throws Exception;
 
-    void createUsersWithArrayInput(List<User> user) throws Exception;
+    void createUsersWithArrayInput(List<User> body) throws Exception;
 
-    void createUsersWithListInput(List<User> user) throws Exception;
+    void createUsersWithListInput(List<User> body) throws Exception;
 
     void deleteUser(String username) throws Exception;
 
-    CompletionStage<User> getUserByName(String username) throws Exception;
+    User getUserByName(String username) throws Exception;
 
-    CompletionStage<String> loginUser( @NotNull String username,  @NotNull String password) throws Exception;
+    String loginUser( @NotNull String username,  @NotNull String password) throws Exception;
 
     void logoutUser() throws Exception;
 
-    void updateUser(String username, User user) throws Exception;
+    void updateUser(String username, User body) throws Exception;
 
 }

samples/server/petstore/java-play-framework-async/app/openapitools/OpenAPIUtils.java

@@ -98,6 +98,6 @@ public class OpenAPIUtils {
     }
 
     public static String formatDatetime(Date date) {
-    	return new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX").format(date);
+        return new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX", Locale.ROOT).format(date);
     }
 }

samples/server/petstore/java-play-framework-controller-only/.openapi-generator/VERSION

@@ -1 +1 @@
-3.1.1-SNAPSHOT
+4.1.2-SNAPSHOT

samples/server/petstore/java-play-framework-controller-only/app/apimodels/Category.java

@@ -12,10 +12,10 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Category   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("name")
-  private String name = null;
+  private String name;
 
   public Category id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-controller-only/app/apimodels/ModelApiResponse.java

@@ -12,13 +12,13 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class ModelApiResponse   {
   @JsonProperty("code")
-  private Integer code = null;
+  private Integer code;
 
   @JsonProperty("type")
-  private String type = null;
+  private String type;
 
   @JsonProperty("message")
-  private String message = null;
+  private String message;
 
   public ModelApiResponse code(Integer code) {
     this.code = code;

samples/server/petstore/java-play-framework-controller-only/app/apimodels/Order.java

@@ -13,16 +13,16 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Order   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("petId")
-  private Long petId = null;
+  private Long petId;
 
   @JsonProperty("quantity")
-  private Integer quantity = null;
+  private Integer quantity;
 
   @JsonProperty("shipDate")
-  private OffsetDateTime shipDate = null;
+  private OffsetDateTime shipDate;
 
   /**
    * Order Status
@@ -47,18 +47,18 @@ public class Order   {
     }
 
     @JsonCreator
-    public static StatusEnum fromValue(String text) {
+    public static StatusEnum fromValue(String value) {
       for (StatusEnum b : StatusEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
 
   @JsonProperty("status")
-  private StatusEnum status = null;
+  private StatusEnum status;
 
   @JsonProperty("complete")
   private Boolean complete = false;

samples/server/petstore/java-play-framework-controller-only/app/apimodels/Pet.java

@@ -16,13 +16,13 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Pet   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("category")
-  private Category category = null;
+  private Category category;
 
   @JsonProperty("name")
-  private String name = null;
+  private String name;
 
   @JsonProperty("photoUrls")
   private List<String> photoUrls = new ArrayList<>();
@@ -53,18 +53,18 @@ public class Pet   {
     }
 
     @JsonCreator
-    public static StatusEnum fromValue(String text) {
+    public static StatusEnum fromValue(String value) {
       for (StatusEnum b : StatusEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
 
   @JsonProperty("status")
-  private StatusEnum status = null;
+  private StatusEnum status;
 
   public Pet id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-controller-only/app/apimodels/Tag.java

@@ -12,10 +12,10 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Tag   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("name")
-  private String name = null;
+  private String name;
 
   public Tag id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-controller-only/app/apimodels/User.java

@@ -12,28 +12,28 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class User   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("username")
-  private String username = null;
+  private String username;
 
   @JsonProperty("firstName")
-  private String firstName = null;
+  private String firstName;
 
   @JsonProperty("lastName")
-  private String lastName = null;
+  private String lastName;
 
   @JsonProperty("email")
-  private String email = null;
+  private String email;
 
   @JsonProperty("password")
-  private String password = null;
+  private String password;
 
   @JsonProperty("phone")
-  private String phone = null;
+  private String phone;
 
   @JsonProperty("userStatus")
-  private Integer userStatus = null;
+  private Integer userStatus;
 
   public User id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-controller-only/app/controllers/PetApiController.java

@@ -37,15 +37,15 @@ public class PetApiController extends Controller {
 
     @ApiAction
     public Result addPet() throws Exception {
-        JsonNode nodepet = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        Pet pet;
+        Pet body;
-        if (nodepet != null) {
+        if (nodebody != null) {
-            pet = mapper.readValue(nodepet.toString(), Pet.class);
+            body = mapper.readValue(nodebody.toString(), Pet.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(pet);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'Pet' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
         return ok();
     }
@@ -103,15 +103,15 @@ public class PetApiController extends Controller {
 
     @ApiAction
     public Result updatePet() throws Exception {
-        JsonNode nodepet = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        Pet pet;
+        Pet body;
-        if (nodepet != null) {
+        if (nodebody != null) {
-            pet = mapper.readValue(nodepet.toString(), Pet.class);
+            body = mapper.readValue(nodebody.toString(), Pet.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(pet);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'Pet' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
         return ok();
     }
@@ -123,14 +123,14 @@ public class PetApiController extends Controller {
         if (valuename != null) {
             name = valuename;
         } else {
-            name = "null";
+            name = null;
         }
         String valuestatus = (request().body().asMultipartFormData().asFormUrlEncoded().get("status"))[0];
         String status;
         if (valuestatus != null) {
             status = valuestatus;
         } else {
-            status = "null";
+            status = null;
         }
         return ok();
     }
@@ -142,7 +142,7 @@ public class PetApiController extends Controller {
         if (valueadditionalMetadata != null) {
             additionalMetadata = valueadditionalMetadata;
         } else {
-            additionalMetadata = "null";
+            additionalMetadata = null;
         }
         Http.MultipartFormData.FilePart file = request().body().asMultipartFormData().getFile("file");
         return ok();

samples/server/petstore/java-play-framework-controller-only/app/controllers/StoreApiController.java

@@ -51,15 +51,15 @@ public class StoreApiController extends Controller {
 
     @ApiAction
     public Result placeOrder() throws Exception {
-        JsonNode nodeorder = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        Order order;
+        Order body;
-        if (nodeorder != null) {
+        if (nodebody != null) {
-            order = mapper.readValue(nodeorder.toString(), Order.class);
+            body = mapper.readValue(nodebody.toString(), Order.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(order);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'Order' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
         return ok();
     }

samples/server/petstore/java-play-framework-controller-only/app/controllers/UserApiController.java

@@ -36,49 +36,49 @@ public class UserApiController extends Controller {
 
     @ApiAction
     public Result createUser() throws Exception {
-        JsonNode nodeuser = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        User user;
+        User body;
-        if (nodeuser != null) {
+        if (nodebody != null) {
-            user = mapper.readValue(nodeuser.toString(), User.class);
+            body = mapper.readValue(nodebody.toString(), User.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(user);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'User' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
         return ok();
     }
 
     @ApiAction
     public Result createUsersWithArrayInput() throws Exception {
-        JsonNode nodeuser = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        List<User> user;
+        List<User> body;
-        if (nodeuser != null) {
+        if (nodebody != null) {
-            user = mapper.readValue(nodeuser.toString(), new TypeReference<List<User>>(){});
+            body = mapper.readValue(nodebody.toString(), new TypeReference<List<User>>(){});
             if (configuration.getBoolean("useInputBeanValidation")) {
-                for (User curItem : user) {
+                for (User curItem : body) {
                     OpenAPIUtils.validate(curItem);
                 }
             }
         } else {
-            throw new IllegalArgumentException("'User' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
         return ok();
     }
 
     @ApiAction
     public Result createUsersWithListInput() throws Exception {
-        JsonNode nodeuser = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        List<User> user;
+        List<User> body;
-        if (nodeuser != null) {
+        if (nodebody != null) {
-            user = mapper.readValue(nodeuser.toString(), new TypeReference<List<User>>(){});
+            body = mapper.readValue(nodebody.toString(), new TypeReference<List<User>>(){});
             if (configuration.getBoolean("useInputBeanValidation")) {
-                for (User curItem : user) {
+                for (User curItem : body) {
                     OpenAPIUtils.validate(curItem);
                 }
             }
         } else {
-            throw new IllegalArgumentException("'User' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
         return ok();
     }
@@ -119,15 +119,15 @@ public class UserApiController extends Controller {
 
     @ApiAction
     public Result updateUser(String username) throws Exception {
-        JsonNode nodeuser = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        User user;
+        User body;
-        if (nodeuser != null) {
+        if (nodebody != null) {
-            user = mapper.readValue(nodeuser.toString(), User.class);
+            body = mapper.readValue(nodebody.toString(), User.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(user);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'User' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
         return ok();
     }

samples/server/petstore/java-play-framework-controller-only/app/openapitools/OpenAPIUtils.java

@@ -98,6 +98,6 @@ public class OpenAPIUtils {
     }
 
     public static String formatDatetime(Date date) {
-    	return new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX").format(date);
+        return new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX", Locale.ROOT).format(date);
     }
 }

samples/server/petstore/java-play-framework-fake-endpoints/.openapi-generator/VERSION

@@ -1 +1 @@
-3.1.1-SNAPSHOT
+4.1.2-SNAPSHOT

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/AdditionalPropertiesAnyType.java

@@ -0,0 +1,77 @@
+package apimodels;
+
+import java.util.HashMap;
+import java.util.Map;
+import com.fasterxml.jackson.annotation.*;
+import java.util.Set;
+import javax.validation.*;
+import java.util.Objects;
+import javax.validation.constraints.*;
+/**
+ * AdditionalPropertiesAnyType
+ */
+
+@SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
+public class AdditionalPropertiesAnyType extends HashMap<String, Object>  {
+  @JsonProperty("name")
+  private String name;
+
+  public AdditionalPropertiesAnyType name(String name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+    public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    AdditionalPropertiesAnyType additionalPropertiesAnyType = (AdditionalPropertiesAnyType) o;
+    return Objects.equals(name, additionalPropertiesAnyType.name) &&
+        super.equals(o);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(name, super.hashCode());
+  }
+
+  @SuppressWarnings("StringBufferReplaceableByString")
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class AdditionalPropertiesAnyType {\n");
+    sb.append("    ").append(toIndentedString(super.toString())).append("\n");
+    sb.append("    name: ").append(toIndentedString(name)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/AdditionalPropertiesArray.java

@@ -0,0 +1,78 @@
+package apimodels;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import com.fasterxml.jackson.annotation.*;
+import java.util.Set;
+import javax.validation.*;
+import java.util.Objects;
+import javax.validation.constraints.*;
+/**
+ * AdditionalPropertiesArray
+ */
+
+@SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
+public class AdditionalPropertiesArray extends HashMap<String, List>  {
+  @JsonProperty("name")
+  private String name;
+
+  public AdditionalPropertiesArray name(String name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+    public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    AdditionalPropertiesArray additionalPropertiesArray = (AdditionalPropertiesArray) o;
+    return Objects.equals(name, additionalPropertiesArray.name) &&
+        super.equals(o);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(name, super.hashCode());
+  }
+
+  @SuppressWarnings("StringBufferReplaceableByString")
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class AdditionalPropertiesArray {\n");
+    sb.append("    ").append(toIndentedString(super.toString())).append("\n");
+    sb.append("    name: ").append(toIndentedString(name)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/AdditionalPropertiesBoolean.java

@@ -0,0 +1,77 @@
+package apimodels;
+
+import java.util.HashMap;
+import java.util.Map;
+import com.fasterxml.jackson.annotation.*;
+import java.util.Set;
+import javax.validation.*;
+import java.util.Objects;
+import javax.validation.constraints.*;
+/**
+ * AdditionalPropertiesBoolean
+ */
+
+@SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
+public class AdditionalPropertiesBoolean extends HashMap<String, Boolean>  {
+  @JsonProperty("name")
+  private String name;
+
+  public AdditionalPropertiesBoolean name(String name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+    public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    AdditionalPropertiesBoolean additionalPropertiesBoolean = (AdditionalPropertiesBoolean) o;
+    return Objects.equals(name, additionalPropertiesBoolean.name) &&
+        super.equals(o);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(name, super.hashCode());
+  }
+
+  @SuppressWarnings("StringBufferReplaceableByString")
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class AdditionalPropertiesBoolean {\n");
+    sb.append("    ").append(toIndentedString(super.toString())).append("\n");
+    sb.append("    name: ").append(toIndentedString(name)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/AdditionalPropertiesClass.java

@@ -1,5 +1,6 @@
 package apimodels;
 
+import java.math.BigDecimal;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -14,61 +15,296 @@ import javax.validation.constraints.*;
 
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class AdditionalPropertiesClass   {
-  @JsonProperty("map_property")
+  @JsonProperty("map_string")
-  private Map<String, String> mapProperty = null;
+  private Map<String, String> mapString = null;
 
-  @JsonProperty("map_of_map_property")
+  @JsonProperty("map_number")
-  private Map<String, Map<String, String>> mapOfMapProperty = null;
+  private Map<String, BigDecimal> mapNumber = null;
 
-  public AdditionalPropertiesClass mapProperty(Map<String, String> mapProperty) {
+  @JsonProperty("map_integer")
-    this.mapProperty = mapProperty;
+  private Map<String, Integer> mapInteger = null;
+
+  @JsonProperty("map_boolean")
+  private Map<String, Boolean> mapBoolean = null;
+
+  @JsonProperty("map_array_integer")
+  private Map<String, List<Integer>> mapArrayInteger = null;
+
+  @JsonProperty("map_array_anytype")
+  private Map<String, List<Object>> mapArrayAnytype = null;
+
+  @JsonProperty("map_map_string")
+  private Map<String, Map<String, String>> mapMapString = null;
+
+  @JsonProperty("map_map_anytype")
+  private Map<String, Map<String, Object>> mapMapAnytype = null;
+
+  @JsonProperty("anytype_1")
+  private Object anytype1;
+
+  @JsonProperty("anytype_2")
+  private Object anytype2;
+
+  @JsonProperty("anytype_3")
+  private Object anytype3;
+
+  public AdditionalPropertiesClass mapString(Map<String, String> mapString) {
+    this.mapString = mapString;
     return this;
   }
 
-  public AdditionalPropertiesClass putMapPropertyItem(String key, String mapPropertyItem) {
+  public AdditionalPropertiesClass putMapStringItem(String key, String mapStringItem) {
-    if (this.mapProperty == null) {
+    if (this.mapString == null) {
-      this.mapProperty = new HashMap<>();
+      this.mapString = new HashMap<>();
     }
-    this.mapProperty.put(key, mapPropertyItem);
+    this.mapString.put(key, mapStringItem);
     return this;
   }
 
    /**
-   * Get mapProperty
+   * Get mapString
-   * @return mapProperty
+   * @return mapString
   **/
-    public Map<String, String> getMapProperty() {
+    public Map<String, String> getMapString() {
-    return mapProperty;
+    return mapString;
   }
 
-  public void setMapProperty(Map<String, String> mapProperty) {
+  public void setMapString(Map<String, String> mapString) {
-    this.mapProperty = mapProperty;
+    this.mapString = mapString;
   }
 
-  public AdditionalPropertiesClass mapOfMapProperty(Map<String, Map<String, String>> mapOfMapProperty) {
+  public AdditionalPropertiesClass mapNumber(Map<String, BigDecimal> mapNumber) {
-    this.mapOfMapProperty = mapOfMapProperty;
+    this.mapNumber = mapNumber;
     return this;
   }
 
-  public AdditionalPropertiesClass putMapOfMapPropertyItem(String key, Map<String, String> mapOfMapPropertyItem) {
+  public AdditionalPropertiesClass putMapNumberItem(String key, BigDecimal mapNumberItem) {
-    if (this.mapOfMapProperty == null) {
+    if (this.mapNumber == null) {
-      this.mapOfMapProperty = new HashMap<>();
+      this.mapNumber = new HashMap<>();
     }
-    this.mapOfMapProperty.put(key, mapOfMapPropertyItem);
+    this.mapNumber.put(key, mapNumberItem);
     return this;
   }
 
    /**
-   * Get mapOfMapProperty
+   * Get mapNumber
-   * @return mapOfMapProperty
+   * @return mapNumber
   **/
   @Valid
-  public Map<String, Map<String, String>> getMapOfMapProperty() {
+  public Map<String, BigDecimal> getMapNumber() {
-    return mapOfMapProperty;
+    return mapNumber;
   }
 
-  public void setMapOfMapProperty(Map<String, Map<String, String>> mapOfMapProperty) {
+  public void setMapNumber(Map<String, BigDecimal> mapNumber) {
-    this.mapOfMapProperty = mapOfMapProperty;
+    this.mapNumber = mapNumber;
+  }
+
+  public AdditionalPropertiesClass mapInteger(Map<String, Integer> mapInteger) {
+    this.mapInteger = mapInteger;
+    return this;
+  }
+
+  public AdditionalPropertiesClass putMapIntegerItem(String key, Integer mapIntegerItem) {
+    if (this.mapInteger == null) {
+      this.mapInteger = new HashMap<>();
+    }
+    this.mapInteger.put(key, mapIntegerItem);
+    return this;
+  }
+
+   /**
+   * Get mapInteger
+   * @return mapInteger
+  **/
+    public Map<String, Integer> getMapInteger() {
+    return mapInteger;
+  }
+
+  public void setMapInteger(Map<String, Integer> mapInteger) {
+    this.mapInteger = mapInteger;
+  }
+
+  public AdditionalPropertiesClass mapBoolean(Map<String, Boolean> mapBoolean) {
+    this.mapBoolean = mapBoolean;
+    return this;
+  }
+
+  public AdditionalPropertiesClass putMapBooleanItem(String key, Boolean mapBooleanItem) {
+    if (this.mapBoolean == null) {
+      this.mapBoolean = new HashMap<>();
+    }
+    this.mapBoolean.put(key, mapBooleanItem);
+    return this;
+  }
+
+   /**
+   * Get mapBoolean
+   * @return mapBoolean
+  **/
+    public Map<String, Boolean> getMapBoolean() {
+    return mapBoolean;
+  }
+
+  public void setMapBoolean(Map<String, Boolean> mapBoolean) {
+    this.mapBoolean = mapBoolean;
+  }
+
+  public AdditionalPropertiesClass mapArrayInteger(Map<String, List<Integer>> mapArrayInteger) {
+    this.mapArrayInteger = mapArrayInteger;
+    return this;
+  }
+
+  public AdditionalPropertiesClass putMapArrayIntegerItem(String key, List<Integer> mapArrayIntegerItem) {
+    if (this.mapArrayInteger == null) {
+      this.mapArrayInteger = new HashMap<>();
+    }
+    this.mapArrayInteger.put(key, mapArrayIntegerItem);
+    return this;
+  }
+
+   /**
+   * Get mapArrayInteger
+   * @return mapArrayInteger
+  **/
+  @Valid
+  public Map<String, List<Integer>> getMapArrayInteger() {
+    return mapArrayInteger;
+  }
+
+  public void setMapArrayInteger(Map<String, List<Integer>> mapArrayInteger) {
+    this.mapArrayInteger = mapArrayInteger;
+  }
+
+  public AdditionalPropertiesClass mapArrayAnytype(Map<String, List<Object>> mapArrayAnytype) {
+    this.mapArrayAnytype = mapArrayAnytype;
+    return this;
+  }
+
+  public AdditionalPropertiesClass putMapArrayAnytypeItem(String key, List<Object> mapArrayAnytypeItem) {
+    if (this.mapArrayAnytype == null) {
+      this.mapArrayAnytype = new HashMap<>();
+    }
+    this.mapArrayAnytype.put(key, mapArrayAnytypeItem);
+    return this;
+  }
+
+   /**
+   * Get mapArrayAnytype
+   * @return mapArrayAnytype
+  **/
+  @Valid
+  public Map<String, List<Object>> getMapArrayAnytype() {
+    return mapArrayAnytype;
+  }
+
+  public void setMapArrayAnytype(Map<String, List<Object>> mapArrayAnytype) {
+    this.mapArrayAnytype = mapArrayAnytype;
+  }
+
+  public AdditionalPropertiesClass mapMapString(Map<String, Map<String, String>> mapMapString) {
+    this.mapMapString = mapMapString;
+    return this;
+  }
+
+  public AdditionalPropertiesClass putMapMapStringItem(String key, Map<String, String> mapMapStringItem) {
+    if (this.mapMapString == null) {
+      this.mapMapString = new HashMap<>();
+    }
+    this.mapMapString.put(key, mapMapStringItem);
+    return this;
+  }
+
+   /**
+   * Get mapMapString
+   * @return mapMapString
+  **/
+  @Valid
+  public Map<String, Map<String, String>> getMapMapString() {
+    return mapMapString;
+  }
+
+  public void setMapMapString(Map<String, Map<String, String>> mapMapString) {
+    this.mapMapString = mapMapString;
+  }
+
+  public AdditionalPropertiesClass mapMapAnytype(Map<String, Map<String, Object>> mapMapAnytype) {
+    this.mapMapAnytype = mapMapAnytype;
+    return this;
+  }
+
+  public AdditionalPropertiesClass putMapMapAnytypeItem(String key, Map<String, Object> mapMapAnytypeItem) {
+    if (this.mapMapAnytype == null) {
+      this.mapMapAnytype = new HashMap<>();
+    }
+    this.mapMapAnytype.put(key, mapMapAnytypeItem);
+    return this;
+  }
+
+   /**
+   * Get mapMapAnytype
+   * @return mapMapAnytype
+  **/
+  @Valid
+  public Map<String, Map<String, Object>> getMapMapAnytype() {
+    return mapMapAnytype;
+  }
+
+  public void setMapMapAnytype(Map<String, Map<String, Object>> mapMapAnytype) {
+    this.mapMapAnytype = mapMapAnytype;
+  }
+
+  public AdditionalPropertiesClass anytype1(Object anytype1) {
+    this.anytype1 = anytype1;
+    return this;
+  }
+
+   /**
+   * Get anytype1
+   * @return anytype1
+  **/
+  @Valid
+  public Object getAnytype1() {
+    return anytype1;
+  }
+
+  public void setAnytype1(Object anytype1) {
+    this.anytype1 = anytype1;
+  }
+
+  public AdditionalPropertiesClass anytype2(Object anytype2) {
+    this.anytype2 = anytype2;
+    return this;
+  }
+
+   /**
+   * Get anytype2
+   * @return anytype2
+  **/
+  @Valid
+  public Object getAnytype2() {
+    return anytype2;
+  }
+
+  public void setAnytype2(Object anytype2) {
+    this.anytype2 = anytype2;
+  }
+
+  public AdditionalPropertiesClass anytype3(Object anytype3) {
+    this.anytype3 = anytype3;
+    return this;
+  }
+
+   /**
+   * Get anytype3
+   * @return anytype3
+  **/
+  @Valid
+  public Object getAnytype3() {
+    return anytype3;
+  }
+
+  public void setAnytype3(Object anytype3) {
+    this.anytype3 = anytype3;
   }
 
 
@@ -81,13 +317,22 @@ public class AdditionalPropertiesClass   {
       return false;
     }
     AdditionalPropertiesClass additionalPropertiesClass = (AdditionalPropertiesClass) o;
-    return Objects.equals(mapProperty, additionalPropertiesClass.mapProperty) &&
+    return Objects.equals(mapString, additionalPropertiesClass.mapString) &&
-        Objects.equals(mapOfMapProperty, additionalPropertiesClass.mapOfMapProperty);
+        Objects.equals(mapNumber, additionalPropertiesClass.mapNumber) &&
+        Objects.equals(mapInteger, additionalPropertiesClass.mapInteger) &&
+        Objects.equals(mapBoolean, additionalPropertiesClass.mapBoolean) &&
+        Objects.equals(mapArrayInteger, additionalPropertiesClass.mapArrayInteger) &&
+        Objects.equals(mapArrayAnytype, additionalPropertiesClass.mapArrayAnytype) &&
+        Objects.equals(mapMapString, additionalPropertiesClass.mapMapString) &&
+        Objects.equals(mapMapAnytype, additionalPropertiesClass.mapMapAnytype) &&
+        Objects.equals(anytype1, additionalPropertiesClass.anytype1) &&
+        Objects.equals(anytype2, additionalPropertiesClass.anytype2) &&
+        Objects.equals(anytype3, additionalPropertiesClass.anytype3);
   }
 
   @Override
   public int hashCode() {
-    return Objects.hash(mapProperty, mapOfMapProperty);
+    return Objects.hash(mapString, mapNumber, mapInteger, mapBoolean, mapArrayInteger, mapArrayAnytype, mapMapString, mapMapAnytype, anytype1, anytype2, anytype3);
   }
 
   @SuppressWarnings("StringBufferReplaceableByString")
@@ -96,8 +341,17 @@ public class AdditionalPropertiesClass   {
     StringBuilder sb = new StringBuilder();
     sb.append("class AdditionalPropertiesClass {\n");
     
-    sb.append("    mapProperty: ").append(toIndentedString(mapProperty)).append("\n");
+    sb.append("    mapString: ").append(toIndentedString(mapString)).append("\n");
-    sb.append("    mapOfMapProperty: ").append(toIndentedString(mapOfMapProperty)).append("\n");
+    sb.append("    mapNumber: ").append(toIndentedString(mapNumber)).append("\n");
+    sb.append("    mapInteger: ").append(toIndentedString(mapInteger)).append("\n");
+    sb.append("    mapBoolean: ").append(toIndentedString(mapBoolean)).append("\n");
+    sb.append("    mapArrayInteger: ").append(toIndentedString(mapArrayInteger)).append("\n");
+    sb.append("    mapArrayAnytype: ").append(toIndentedString(mapArrayAnytype)).append("\n");
+    sb.append("    mapMapString: ").append(toIndentedString(mapMapString)).append("\n");
+    sb.append("    mapMapAnytype: ").append(toIndentedString(mapMapAnytype)).append("\n");
+    sb.append("    anytype1: ").append(toIndentedString(anytype1)).append("\n");
+    sb.append("    anytype2: ").append(toIndentedString(anytype2)).append("\n");
+    sb.append("    anytype3: ").append(toIndentedString(anytype3)).append("\n");
     sb.append("}");
     return sb.toString();
   }

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/AdditionalPropertiesInteger.java

@@ -0,0 +1,77 @@
+package apimodels;
+
+import java.util.HashMap;
+import java.util.Map;
+import com.fasterxml.jackson.annotation.*;
+import java.util.Set;
+import javax.validation.*;
+import java.util.Objects;
+import javax.validation.constraints.*;
+/**
+ * AdditionalPropertiesInteger
+ */
+
+@SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
+public class AdditionalPropertiesInteger extends HashMap<String, Integer>  {
+  @JsonProperty("name")
+  private String name;
+
+  public AdditionalPropertiesInteger name(String name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+    public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    AdditionalPropertiesInteger additionalPropertiesInteger = (AdditionalPropertiesInteger) o;
+    return Objects.equals(name, additionalPropertiesInteger.name) &&
+        super.equals(o);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(name, super.hashCode());
+  }
+
+  @SuppressWarnings("StringBufferReplaceableByString")
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class AdditionalPropertiesInteger {\n");
+    sb.append("    ").append(toIndentedString(super.toString())).append("\n");
+    sb.append("    name: ").append(toIndentedString(name)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/AdditionalPropertiesNumber.java

@@ -0,0 +1,78 @@
+package apimodels;
+
+import java.math.BigDecimal;
+import java.util.HashMap;
+import java.util.Map;
+import com.fasterxml.jackson.annotation.*;
+import java.util.Set;
+import javax.validation.*;
+import java.util.Objects;
+import javax.validation.constraints.*;
+/**
+ * AdditionalPropertiesNumber
+ */
+
+@SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
+public class AdditionalPropertiesNumber extends HashMap<String, BigDecimal>  {
+  @JsonProperty("name")
+  private String name;
+
+  public AdditionalPropertiesNumber name(String name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+    public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    AdditionalPropertiesNumber additionalPropertiesNumber = (AdditionalPropertiesNumber) o;
+    return Objects.equals(name, additionalPropertiesNumber.name) &&
+        super.equals(o);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(name, super.hashCode());
+  }
+
+  @SuppressWarnings("StringBufferReplaceableByString")
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class AdditionalPropertiesNumber {\n");
+    sb.append("    ").append(toIndentedString(super.toString())).append("\n");
+    sb.append("    name: ").append(toIndentedString(name)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/AdditionalPropertiesObject.java

@@ -0,0 +1,77 @@
+package apimodels;
+
+import java.util.HashMap;
+import java.util.Map;
+import com.fasterxml.jackson.annotation.*;
+import java.util.Set;
+import javax.validation.*;
+import java.util.Objects;
+import javax.validation.constraints.*;
+/**
+ * AdditionalPropertiesObject
+ */
+
+@SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
+public class AdditionalPropertiesObject extends HashMap<String, Map>  {
+  @JsonProperty("name")
+  private String name;
+
+  public AdditionalPropertiesObject name(String name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+    public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    AdditionalPropertiesObject additionalPropertiesObject = (AdditionalPropertiesObject) o;
+    return Objects.equals(name, additionalPropertiesObject.name) &&
+        super.equals(o);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(name, super.hashCode());
+  }
+
+  @SuppressWarnings("StringBufferReplaceableByString")
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class AdditionalPropertiesObject {\n");
+    sb.append("    ").append(toIndentedString(super.toString())).append("\n");
+    sb.append("    name: ").append(toIndentedString(name)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/AdditionalPropertiesString.java

@@ -0,0 +1,77 @@
+package apimodels;
+
+import java.util.HashMap;
+import java.util.Map;
+import com.fasterxml.jackson.annotation.*;
+import java.util.Set;
+import javax.validation.*;
+import java.util.Objects;
+import javax.validation.constraints.*;
+/**
+ * AdditionalPropertiesString
+ */
+
+@SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
+public class AdditionalPropertiesString extends HashMap<String, String>  {
+  @JsonProperty("name")
+  private String name;
+
+  public AdditionalPropertiesString name(String name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+    public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    AdditionalPropertiesString additionalPropertiesString = (AdditionalPropertiesString) o;
+    return Objects.equals(name, additionalPropertiesString.name) &&
+        super.equals(o);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(name, super.hashCode());
+  }
+
+  @SuppressWarnings("StringBufferReplaceableByString")
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class AdditionalPropertiesString {\n");
+    sb.append("    ").append(toIndentedString(super.toString())).append("\n");
+    sb.append("    name: ").append(toIndentedString(name)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/Animal.java

@@ -14,7 +14,7 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Animal   {
   @JsonProperty("className")
-  private String className = null;
+  private String className;
 
   @JsonProperty("color")
   private String color = "red";

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/Capitalization.java

@@ -12,22 +12,22 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Capitalization   {
   @JsonProperty("smallCamel")
-  private String smallCamel = null;
+  private String smallCamel;
 
   @JsonProperty("CapitalCamel")
-  private String capitalCamel = null;
+  private String capitalCamel;
 
   @JsonProperty("small_Snake")
-  private String smallSnake = null;
+  private String smallSnake;
 
   @JsonProperty("Capital_Snake")
-  private String capitalSnake = null;
+  private String capitalSnake;
 
   @JsonProperty("SCA_ETH_Flow_Points")
-  private String scAETHFlowPoints = null;
+  private String scAETHFlowPoints;
 
   @JsonProperty("ATT_NAME")
-  private String ATT_NAME = null;
+  private String ATT_NAME;
 
   public Capitalization smallCamel(String smallCamel) {
     this.smallCamel = smallCamel;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/Cat.java

@@ -1,6 +1,7 @@
 package apimodels;
 
 import apimodels.Animal;
+import apimodels.CatAllOf;
 import com.fasterxml.jackson.annotation.*;
 import java.util.Set;
 import javax.validation.*;
@@ -13,7 +14,7 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Cat extends Animal  {
   @JsonProperty("declawed")
-  private Boolean declawed = null;
+  private Boolean declawed;
 
   public Cat declawed(Boolean declawed) {
     this.declawed = declawed;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/CatAllOf.java

@@ -0,0 +1,74 @@
+package apimodels;
+
+import com.fasterxml.jackson.annotation.*;
+import java.util.Set;
+import javax.validation.*;
+import java.util.Objects;
+import javax.validation.constraints.*;
+/**
+ * CatAllOf
+ */
+
+@SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
+public class CatAllOf   {
+  @JsonProperty("declawed")
+  private Boolean declawed;
+
+  public CatAllOf declawed(Boolean declawed) {
+    this.declawed = declawed;
+    return this;
+  }
+
+   /**
+   * Get declawed
+   * @return declawed
+  **/
+    public Boolean getDeclawed() {
+    return declawed;
+  }
+
+  public void setDeclawed(Boolean declawed) {
+    this.declawed = declawed;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    CatAllOf catAllOf = (CatAllOf) o;
+    return Objects.equals(declawed, catAllOf.declawed);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(declawed);
+  }
+
+  @SuppressWarnings("StringBufferReplaceableByString")
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class CatAllOf {\n");
+    
+    sb.append("    declawed: ").append(toIndentedString(declawed)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/Category.java

@@ -12,10 +12,10 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Category   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("name")
-  private String name = null;
+  private String name = "default-name";
 
   public Category id(Long id) {
     this.id = id;
@@ -43,6 +43,7 @@ public class Category   {
    * Get name
    * @return name
   **/
+  @NotNull
   public String getName() {
     return name;
   }

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/ClassModel.java

@@ -12,7 +12,7 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class ClassModel   {
   @JsonProperty("_class")
-  private String propertyClass = null;
+  private String propertyClass;
 
   public ClassModel propertyClass(String propertyClass) {
     this.propertyClass = propertyClass;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/Client.java

@@ -12,7 +12,7 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Client   {
   @JsonProperty("client")
-  private String client = null;
+  private String client;
 
   public Client client(String client) {
     this.client = client;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/Dog.java

@@ -1,6 +1,7 @@
 package apimodels;
 
 import apimodels.Animal;
+import apimodels.DogAllOf;
 import com.fasterxml.jackson.annotation.*;
 import java.util.Set;
 import javax.validation.*;
@@ -13,7 +14,7 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Dog extends Animal  {
   @JsonProperty("breed")
-  private String breed = null;
+  private String breed;
 
   public Dog breed(String breed) {
     this.breed = breed;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/DogAllOf.java

@@ -0,0 +1,74 @@
+package apimodels;
+
+import com.fasterxml.jackson.annotation.*;
+import java.util.Set;
+import javax.validation.*;
+import java.util.Objects;
+import javax.validation.constraints.*;
+/**
+ * DogAllOf
+ */
+
+@SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
+public class DogAllOf   {
+  @JsonProperty("breed")
+  private String breed;
+
+  public DogAllOf breed(String breed) {
+    this.breed = breed;
+    return this;
+  }
+
+   /**
+   * Get breed
+   * @return breed
+  **/
+    public String getBreed() {
+    return breed;
+  }
+
+  public void setBreed(String breed) {
+    this.breed = breed;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    DogAllOf dogAllOf = (DogAllOf) o;
+    return Objects.equals(breed, dogAllOf.breed);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(breed);
+  }
+
+  @SuppressWarnings("StringBufferReplaceableByString")
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class DogAllOf {\n");
+    
+    sb.append("    breed: ").append(toIndentedString(breed)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/EnumArrays.java

@@ -34,18 +34,18 @@ public class EnumArrays   {
     }
 
     @JsonCreator
-    public static JustSymbolEnum fromValue(String text) {
+    public static JustSymbolEnum fromValue(String value) {
       for (JustSymbolEnum b : JustSymbolEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
 
   @JsonProperty("just_symbol")
-  private JustSymbolEnum justSymbol = null;
+  private JustSymbolEnum justSymbol;
 
   /**
    * Gets or Sets arrayEnum
@@ -68,13 +68,13 @@ public class EnumArrays   {
     }
 
     @JsonCreator
-    public static ArrayEnumEnum fromValue(String text) {
+    public static ArrayEnumEnum fromValue(String value) {
       for (ArrayEnumEnum b : ArrayEnumEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
  

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/EnumClass.java

@@ -29,13 +29,13 @@ public enum EnumClass {
   }
 
   @JsonCreator
-  public static EnumClass fromValue(String text) {
+  public static EnumClass fromValue(String value) {
     for (EnumClass b : EnumClass.values()) {
-      if (String.valueOf(b.value).equals(text)) {
+      if (b.value.equals(value)) {
         return b;
       }
     }
-    return null;
+    throw new IllegalArgumentException("Unexpected value '" + value + "'");
   }
 }
 

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/EnumTest.java

@@ -35,18 +35,18 @@ public class EnumTest   {
     }
 
     @JsonCreator
-    public static EnumStringEnum fromValue(String text) {
+    public static EnumStringEnum fromValue(String value) {
       for (EnumStringEnum b : EnumStringEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
 
   @JsonProperty("enum_string")
-  private EnumStringEnum enumString = null;
+  private EnumStringEnum enumString;
 
   /**
    * Gets or Sets enumStringRequired
@@ -71,18 +71,18 @@ public class EnumTest   {
     }
 
     @JsonCreator
-    public static EnumStringRequiredEnum fromValue(String text) {
+    public static EnumStringRequiredEnum fromValue(String value) {
       for (EnumStringRequiredEnum b : EnumStringRequiredEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
 
   @JsonProperty("enum_string_required")
-  private EnumStringRequiredEnum enumStringRequired = null;
+  private EnumStringRequiredEnum enumStringRequired;
 
   /**
    * Gets or Sets enumInteger
@@ -105,18 +105,18 @@ public class EnumTest   {
     }
 
     @JsonCreator
-    public static EnumIntegerEnum fromValue(String text) {
+    public static EnumIntegerEnum fromValue(Integer value) {
       for (EnumIntegerEnum b : EnumIntegerEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
 
   @JsonProperty("enum_integer")
-  private EnumIntegerEnum enumInteger = null;
+  private EnumIntegerEnum enumInteger;
 
   /**
    * Gets or Sets enumNumber
@@ -139,21 +139,21 @@ public class EnumTest   {
     }
 
     @JsonCreator
-    public static EnumNumberEnum fromValue(String text) {
+    public static EnumNumberEnum fromValue(Double value) {
       for (EnumNumberEnum b : EnumNumberEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
 
   @JsonProperty("enum_number")
-  private EnumNumberEnum enumNumber = null;
+  private EnumNumberEnum enumNumber;
 
   @JsonProperty("outerEnum")
-  private OuterEnum outerEnum = null;
+  private OuterEnum outerEnum;
 
   public EnumTest enumString(EnumStringEnum enumString) {
     this.enumString = enumString;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/FileSchemaTestClass.java

@@ -14,7 +14,7 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class FileSchemaTestClass   {
   @JsonProperty("file")
-  private java.io.File file = null;
+  private java.io.File file;
 
   @JsonProperty("files")
   private List<java.io.File> files = null;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/FormatTest.java

@@ -17,43 +17,43 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class FormatTest   {
   @JsonProperty("integer")
-  private Integer integer = null;
+  private Integer integer;
 
   @JsonProperty("int32")
-  private Integer int32 = null;
+  private Integer int32;
 
   @JsonProperty("int64")
-  private Long int64 = null;
+  private Long int64;
 
   @JsonProperty("number")
-  private BigDecimal number = null;
+  private BigDecimal number;
 
   @JsonProperty("float")
-  private Float _float = null;
+  private Float _float;
 
   @JsonProperty("double")
-  private Double _double = null;
+  private Double _double;
 
   @JsonProperty("string")
-  private String string = null;
+  private String string;
 
   @JsonProperty("byte")
-  private byte[] _byte = null;
+  private byte[] _byte;
 
   @JsonProperty("binary")
-  private InputStream binary = null;
+  private InputStream binary;
 
   @JsonProperty("date")
-  private LocalDate date = null;
+  private LocalDate date;
 
   @JsonProperty("dateTime")
-  private OffsetDateTime dateTime = null;
+  private OffsetDateTime dateTime;
 
   @JsonProperty("uuid")
-  private UUID uuid = null;
+  private UUID uuid;
 
   @JsonProperty("password")
-  private String password = null;
+  private String password;
 
   public FormatTest integer(Integer integer) {
     this.integer = integer;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/HasOnlyReadOnly.java

@@ -12,10 +12,10 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class HasOnlyReadOnly   {
   @JsonProperty("bar")
-  private String bar = null;
+  private String bar;
 
   @JsonProperty("foo")
-  private String foo = null;
+  private String foo;
 
   public HasOnlyReadOnly bar(String bar) {
     this.bar = bar;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/MapTest.java

@@ -1,6 +1,5 @@
 package apimodels;
 
-import apimodels.StringBooleanMap;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -39,13 +38,13 @@ public class MapTest   {
     }
 
     @JsonCreator
-    public static InnerEnum fromValue(String text) {
+    public static InnerEnum fromValue(String value) {
       for (InnerEnum b : InnerEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
  
@@ -56,7 +55,7 @@ public class MapTest   {
   private Map<String, Boolean> directMap = null;
 
   @JsonProperty("indirect_map")
-  private StringBooleanMap indirectMap = null;
+  private Map<String, Boolean> indirectMap = null;
 
   public MapTest mapMapOfString(Map<String, Map<String, String>> mapMapOfString) {
     this.mapMapOfString = mapMapOfString;
@@ -134,21 +133,28 @@ public class MapTest   {
     this.directMap = directMap;
   }
 
-  public MapTest indirectMap(StringBooleanMap indirectMap) {
+  public MapTest indirectMap(Map<String, Boolean> indirectMap) {
     this.indirectMap = indirectMap;
     return this;
   }
 
+  public MapTest putIndirectMapItem(String key, Boolean indirectMapItem) {
+    if (this.indirectMap == null) {
+      this.indirectMap = new HashMap<>();
+    }
+    this.indirectMap.put(key, indirectMapItem);
+    return this;
+  }
+
    /**
    * Get indirectMap
    * @return indirectMap
   **/
-  @Valid
+    public Map<String, Boolean> getIndirectMap() {
-  public StringBooleanMap getIndirectMap() {
     return indirectMap;
   }
 
-  public void setIndirectMap(StringBooleanMap indirectMap) {
+  public void setIndirectMap(Map<String, Boolean> indirectMap) {
     this.indirectMap = indirectMap;
   }
 

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/MixedPropertiesAndAdditionalPropertiesClass.java

@@ -18,10 +18,10 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class MixedPropertiesAndAdditionalPropertiesClass   {
   @JsonProperty("uuid")
-  private UUID uuid = null;
+  private UUID uuid;
 
   @JsonProperty("dateTime")
-  private OffsetDateTime dateTime = null;
+  private OffsetDateTime dateTime;
 
   @JsonProperty("map")
   private Map<String, Animal> map = null;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/Model200Response.java

@@ -12,10 +12,10 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Model200Response   {
   @JsonProperty("name")
-  private Integer name = null;
+  private Integer name;
 
   @JsonProperty("class")
-  private String propertyClass = null;
+  private String propertyClass;
 
   public Model200Response name(Integer name) {
     this.name = name;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/ModelApiResponse.java

@@ -12,13 +12,13 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class ModelApiResponse   {
   @JsonProperty("code")
-  private Integer code = null;
+  private Integer code;
 
   @JsonProperty("type")
-  private String type = null;
+  private String type;
 
   @JsonProperty("message")
-  private String message = null;
+  private String message;
 
   public ModelApiResponse code(Integer code) {
     this.code = code;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/ModelReturn.java

@@ -12,7 +12,7 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class ModelReturn   {
   @JsonProperty("return")
-  private Integer _return = null;
+  private Integer _return;
 
   public ModelReturn _return(Integer _return) {
     this._return = _return;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/Name.java

@@ -12,16 +12,16 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Name   {
   @JsonProperty("name")
-  private Integer name = null;
+  private Integer name;
 
   @JsonProperty("snake_case")
-  private Integer snakeCase = null;
+  private Integer snakeCase;
 
   @JsonProperty("property")
-  private String property = null;
+  private String property;
 
   @JsonProperty("123Number")
-  private Integer _123number = null;
+  private Integer _123number;
 
   public Name name(Integer name) {
     this.name = name;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/NumberOnly.java

@@ -13,7 +13,7 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class NumberOnly   {
   @JsonProperty("JustNumber")
-  private BigDecimal justNumber = null;
+  private BigDecimal justNumber;
 
   public NumberOnly justNumber(BigDecimal justNumber) {
     this.justNumber = justNumber;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/Order.java

@@ -13,16 +13,16 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Order   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("petId")
-  private Long petId = null;
+  private Long petId;
 
   @JsonProperty("quantity")
-  private Integer quantity = null;
+  private Integer quantity;
 
   @JsonProperty("shipDate")
-  private OffsetDateTime shipDate = null;
+  private OffsetDateTime shipDate;
 
   /**
    * Order Status
@@ -47,18 +47,18 @@ public class Order   {
     }
 
     @JsonCreator
-    public static StatusEnum fromValue(String text) {
+    public static StatusEnum fromValue(String value) {
       for (StatusEnum b : StatusEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
 
   @JsonProperty("status")
-  private StatusEnum status = null;
+  private StatusEnum status;
 
   @JsonProperty("complete")
   private Boolean complete = false;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/OuterComposite.java

@@ -13,13 +13,13 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class OuterComposite   {
   @JsonProperty("my_number")
-  private BigDecimal myNumber = null;
+  private BigDecimal myNumber;
 
   @JsonProperty("my_string")
-  private String myString = null;
+  private String myString;
 
   @JsonProperty("my_boolean")
-  private Boolean myBoolean = null;
+  private Boolean myBoolean;
 
   public OuterComposite myNumber(BigDecimal myNumber) {
     this.myNumber = myNumber;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/OuterEnum.java

@@ -29,13 +29,13 @@ public enum OuterEnum {
   }
 
   @JsonCreator
-  public static OuterEnum fromValue(String text) {
+  public static OuterEnum fromValue(String value) {
     for (OuterEnum b : OuterEnum.values()) {
-      if (String.valueOf(b.value).equals(text)) {
+      if (b.value.equals(value)) {
         return b;
       }
     }
-    return null;
+    throw new IllegalArgumentException("Unexpected value '" + value + "'");
   }
 }
 

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/Pet.java

@@ -16,13 +16,13 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Pet   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("category")
-  private Category category = null;
+  private Category category;
 
   @JsonProperty("name")
-  private String name = null;
+  private String name;
 
   @JsonProperty("photoUrls")
   private List<String> photoUrls = new ArrayList<>();
@@ -53,18 +53,18 @@ public class Pet   {
     }
 
     @JsonCreator
-    public static StatusEnum fromValue(String text) {
+    public static StatusEnum fromValue(String value) {
       for (StatusEnum b : StatusEnum.values()) {
-        if (String.valueOf(b.value).equals(text)) {
+        if (b.value.equals(value)) {
           return b;
         }
       }
-      return null;
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
     }
   }
 
   @JsonProperty("status")
-  private StatusEnum status = null;
+  private StatusEnum status;
 
   public Pet id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/ReadOnlyFirst.java

@@ -12,10 +12,10 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class ReadOnlyFirst   {
   @JsonProperty("bar")
-  private String bar = null;
+  private String bar;
 
   @JsonProperty("baz")
-  private String baz = null;
+  private String baz;
 
   public ReadOnlyFirst bar(String bar) {
     this.bar = bar;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/SpecialModelName.java

@@ -12,7 +12,7 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class SpecialModelName   {
   @JsonProperty("$special[property.name]")
-  private Long $specialPropertyName = null;
+  private Long $specialPropertyName;
 
   public SpecialModelName $specialPropertyName(Long $specialPropertyName) {
     this.$specialPropertyName = $specialPropertyName;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/Tag.java

@@ -12,10 +12,10 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Tag   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("name")
-  private String name = null;
+  private String name;
 
   public Tag id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/TypeHolderDefault.java

@@ -0,0 +1,176 @@
+package apimodels;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+import com.fasterxml.jackson.annotation.*;
+import java.util.Set;
+import javax.validation.*;
+import java.util.Objects;
+import javax.validation.constraints.*;
+/**
+ * TypeHolderDefault
+ */
+
+@SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
+public class TypeHolderDefault   {
+  @JsonProperty("string_item")
+  private String stringItem = "what";
+
+  @JsonProperty("number_item")
+  private BigDecimal numberItem;
+
+  @JsonProperty("integer_item")
+  private Integer integerItem;
+
+  @JsonProperty("bool_item")
+  private Boolean boolItem = true;
+
+  @JsonProperty("array_item")
+  private List<Integer> arrayItem = new ArrayList<>();
+
+  public TypeHolderDefault stringItem(String stringItem) {
+    this.stringItem = stringItem;
+    return this;
+  }
+
+   /**
+   * Get stringItem
+   * @return stringItem
+  **/
+  @NotNull
+  public String getStringItem() {
+    return stringItem;
+  }
+
+  public void setStringItem(String stringItem) {
+    this.stringItem = stringItem;
+  }
+
+  public TypeHolderDefault numberItem(BigDecimal numberItem) {
+    this.numberItem = numberItem;
+    return this;
+  }
+
+   /**
+   * Get numberItem
+   * @return numberItem
+  **/
+  @NotNull
+@Valid
+  public BigDecimal getNumberItem() {
+    return numberItem;
+  }
+
+  public void setNumberItem(BigDecimal numberItem) {
+    this.numberItem = numberItem;
+  }
+
+  public TypeHolderDefault integerItem(Integer integerItem) {
+    this.integerItem = integerItem;
+    return this;
+  }
+
+   /**
+   * Get integerItem
+   * @return integerItem
+  **/
+  @NotNull
+  public Integer getIntegerItem() {
+    return integerItem;
+  }
+
+  public void setIntegerItem(Integer integerItem) {
+    this.integerItem = integerItem;
+  }
+
+  public TypeHolderDefault boolItem(Boolean boolItem) {
+    this.boolItem = boolItem;
+    return this;
+  }
+
+   /**
+   * Get boolItem
+   * @return boolItem
+  **/
+  @NotNull
+  public Boolean getBoolItem() {
+    return boolItem;
+  }
+
+  public void setBoolItem(Boolean boolItem) {
+    this.boolItem = boolItem;
+  }
+
+  public TypeHolderDefault arrayItem(List<Integer> arrayItem) {
+    this.arrayItem = arrayItem;
+    return this;
+  }
+
+  public TypeHolderDefault addArrayItemItem(Integer arrayItemItem) {
+    arrayItem.add(arrayItemItem);
+    return this;
+  }
+
+   /**
+   * Get arrayItem
+   * @return arrayItem
+  **/
+  @NotNull
+  public List<Integer> getArrayItem() {
+    return arrayItem;
+  }
+
+  public void setArrayItem(List<Integer> arrayItem) {
+    this.arrayItem = arrayItem;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    TypeHolderDefault typeHolderDefault = (TypeHolderDefault) o;
+    return Objects.equals(stringItem, typeHolderDefault.stringItem) &&
+        Objects.equals(numberItem, typeHolderDefault.numberItem) &&
+        Objects.equals(integerItem, typeHolderDefault.integerItem) &&
+        Objects.equals(boolItem, typeHolderDefault.boolItem) &&
+        Objects.equals(arrayItem, typeHolderDefault.arrayItem);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(stringItem, numberItem, integerItem, boolItem, arrayItem);
+  }
+
+  @SuppressWarnings("StringBufferReplaceableByString")
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class TypeHolderDefault {\n");
+    
+    sb.append("    stringItem: ").append(toIndentedString(stringItem)).append("\n");
+    sb.append("    numberItem: ").append(toIndentedString(numberItem)).append("\n");
+    sb.append("    integerItem: ").append(toIndentedString(integerItem)).append("\n");
+    sb.append("    boolItem: ").append(toIndentedString(boolItem)).append("\n");
+    sb.append("    arrayItem: ").append(toIndentedString(arrayItem)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/TypeHolderExample.java

@@ -0,0 +1,176 @@
+package apimodels;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+import com.fasterxml.jackson.annotation.*;
+import java.util.Set;
+import javax.validation.*;
+import java.util.Objects;
+import javax.validation.constraints.*;
+/**
+ * TypeHolderExample
+ */
+
+@SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
+public class TypeHolderExample   {
+  @JsonProperty("string_item")
+  private String stringItem;
+
+  @JsonProperty("number_item")
+  private BigDecimal numberItem;
+
+  @JsonProperty("integer_item")
+  private Integer integerItem;
+
+  @JsonProperty("bool_item")
+  private Boolean boolItem;
+
+  @JsonProperty("array_item")
+  private List<Integer> arrayItem = new ArrayList<>();
+
+  public TypeHolderExample stringItem(String stringItem) {
+    this.stringItem = stringItem;
+    return this;
+  }
+
+   /**
+   * Get stringItem
+   * @return stringItem
+  **/
+  @NotNull
+  public String getStringItem() {
+    return stringItem;
+  }
+
+  public void setStringItem(String stringItem) {
+    this.stringItem = stringItem;
+  }
+
+  public TypeHolderExample numberItem(BigDecimal numberItem) {
+    this.numberItem = numberItem;
+    return this;
+  }
+
+   /**
+   * Get numberItem
+   * @return numberItem
+  **/
+  @NotNull
+@Valid
+  public BigDecimal getNumberItem() {
+    return numberItem;
+  }
+
+  public void setNumberItem(BigDecimal numberItem) {
+    this.numberItem = numberItem;
+  }
+
+  public TypeHolderExample integerItem(Integer integerItem) {
+    this.integerItem = integerItem;
+    return this;
+  }
+
+   /**
+   * Get integerItem
+   * @return integerItem
+  **/
+  @NotNull
+  public Integer getIntegerItem() {
+    return integerItem;
+  }
+
+  public void setIntegerItem(Integer integerItem) {
+    this.integerItem = integerItem;
+  }
+
+  public TypeHolderExample boolItem(Boolean boolItem) {
+    this.boolItem = boolItem;
+    return this;
+  }
+
+   /**
+   * Get boolItem
+   * @return boolItem
+  **/
+  @NotNull
+  public Boolean getBoolItem() {
+    return boolItem;
+  }
+
+  public void setBoolItem(Boolean boolItem) {
+    this.boolItem = boolItem;
+  }
+
+  public TypeHolderExample arrayItem(List<Integer> arrayItem) {
+    this.arrayItem = arrayItem;
+    return this;
+  }
+
+  public TypeHolderExample addArrayItemItem(Integer arrayItemItem) {
+    arrayItem.add(arrayItemItem);
+    return this;
+  }
+
+   /**
+   * Get arrayItem
+   * @return arrayItem
+  **/
+  @NotNull
+  public List<Integer> getArrayItem() {
+    return arrayItem;
+  }
+
+  public void setArrayItem(List<Integer> arrayItem) {
+    this.arrayItem = arrayItem;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    TypeHolderExample typeHolderExample = (TypeHolderExample) o;
+    return Objects.equals(stringItem, typeHolderExample.stringItem) &&
+        Objects.equals(numberItem, typeHolderExample.numberItem) &&
+        Objects.equals(integerItem, typeHolderExample.integerItem) &&
+        Objects.equals(boolItem, typeHolderExample.boolItem) &&
+        Objects.equals(arrayItem, typeHolderExample.arrayItem);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(stringItem, numberItem, integerItem, boolItem, arrayItem);
+  }
+
+  @SuppressWarnings("StringBufferReplaceableByString")
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class TypeHolderExample {\n");
+    
+    sb.append("    stringItem: ").append(toIndentedString(stringItem)).append("\n");
+    sb.append("    numberItem: ").append(toIndentedString(numberItem)).append("\n");
+    sb.append("    integerItem: ").append(toIndentedString(integerItem)).append("\n");
+    sb.append("    boolItem: ").append(toIndentedString(boolItem)).append("\n");
+    sb.append("    arrayItem: ").append(toIndentedString(arrayItem)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/User.java

@@ -12,28 +12,28 @@ import javax.validation.constraints.*;
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class User   {
   @JsonProperty("id")
-  private Long id = null;
+  private Long id;
 
   @JsonProperty("username")
-  private String username = null;
+  private String username;
 
   @JsonProperty("firstName")
-  private String firstName = null;
+  private String firstName;
 
   @JsonProperty("lastName")
-  private String lastName = null;
+  private String lastName;
 
   @JsonProperty("email")
-  private String email = null;
+  private String email;
 
   @JsonProperty("password")
-  private String password = null;
+  private String password;
 
   @JsonProperty("phone")
-  private String phone = null;
+  private String phone;
 
   @JsonProperty("userStatus")
-  private Integer userStatus = null;
+  private Integer userStatus;
 
   public User id(Long id) {
     this.id = id;

samples/server/petstore/java-play-framework-fake-endpoints/app/apimodels/XmlItem.java

@@ -0,0 +1,770 @@
+package apimodels;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+import com.fasterxml.jackson.annotation.*;
+import java.util.Set;
+import javax.validation.*;
+import java.util.Objects;
+import javax.validation.constraints.*;
+/**
+ * XmlItem
+ */
+
+@SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
+public class XmlItem   {
+  @JsonProperty("attribute_string")
+  private String attributeString;
+
+  @JsonProperty("attribute_number")
+  private BigDecimal attributeNumber;
+
+  @JsonProperty("attribute_integer")
+  private Integer attributeInteger;
+
+  @JsonProperty("attribute_boolean")
+  private Boolean attributeBoolean;
+
+  @JsonProperty("wrapped_array")
+  private List<Integer> wrappedArray = null;
+
+  @JsonProperty("name_string")
+  private String nameString;
+
+  @JsonProperty("name_number")
+  private BigDecimal nameNumber;
+
+  @JsonProperty("name_integer")
+  private Integer nameInteger;
+
+  @JsonProperty("name_boolean")
+  private Boolean nameBoolean;
+
+  @JsonProperty("name_array")
+  private List<Integer> nameArray = null;
+
+  @JsonProperty("name_wrapped_array")
+  private List<Integer> nameWrappedArray = null;
+
+  @JsonProperty("prefix_string")
+  private String prefixString;
+
+  @JsonProperty("prefix_number")
+  private BigDecimal prefixNumber;
+
+  @JsonProperty("prefix_integer")
+  private Integer prefixInteger;
+
+  @JsonProperty("prefix_boolean")
+  private Boolean prefixBoolean;
+
+  @JsonProperty("prefix_array")
+  private List<Integer> prefixArray = null;
+
+  @JsonProperty("prefix_wrapped_array")
+  private List<Integer> prefixWrappedArray = null;
+
+  @JsonProperty("namespace_string")
+  private String namespaceString;
+
+  @JsonProperty("namespace_number")
+  private BigDecimal namespaceNumber;
+
+  @JsonProperty("namespace_integer")
+  private Integer namespaceInteger;
+
+  @JsonProperty("namespace_boolean")
+  private Boolean namespaceBoolean;
+
+  @JsonProperty("namespace_array")
+  private List<Integer> namespaceArray = null;
+
+  @JsonProperty("namespace_wrapped_array")
+  private List<Integer> namespaceWrappedArray = null;
+
+  @JsonProperty("prefix_ns_string")
+  private String prefixNsString;
+
+  @JsonProperty("prefix_ns_number")
+  private BigDecimal prefixNsNumber;
+
+  @JsonProperty("prefix_ns_integer")
+  private Integer prefixNsInteger;
+
+  @JsonProperty("prefix_ns_boolean")
+  private Boolean prefixNsBoolean;
+
+  @JsonProperty("prefix_ns_array")
+  private List<Integer> prefixNsArray = null;
+
+  @JsonProperty("prefix_ns_wrapped_array")
+  private List<Integer> prefixNsWrappedArray = null;
+
+  public XmlItem attributeString(String attributeString) {
+    this.attributeString = attributeString;
+    return this;
+  }
+
+   /**
+   * Get attributeString
+   * @return attributeString
+  **/
+    public String getAttributeString() {
+    return attributeString;
+  }
+
+  public void setAttributeString(String attributeString) {
+    this.attributeString = attributeString;
+  }
+
+  public XmlItem attributeNumber(BigDecimal attributeNumber) {
+    this.attributeNumber = attributeNumber;
+    return this;
+  }
+
+   /**
+   * Get attributeNumber
+   * @return attributeNumber
+  **/
+  @Valid
+  public BigDecimal getAttributeNumber() {
+    return attributeNumber;
+  }
+
+  public void setAttributeNumber(BigDecimal attributeNumber) {
+    this.attributeNumber = attributeNumber;
+  }
+
+  public XmlItem attributeInteger(Integer attributeInteger) {
+    this.attributeInteger = attributeInteger;
+    return this;
+  }
+
+   /**
+   * Get attributeInteger
+   * @return attributeInteger
+  **/
+    public Integer getAttributeInteger() {
+    return attributeInteger;
+  }
+
+  public void setAttributeInteger(Integer attributeInteger) {
+    this.attributeInteger = attributeInteger;
+  }
+
+  public XmlItem attributeBoolean(Boolean attributeBoolean) {
+    this.attributeBoolean = attributeBoolean;
+    return this;
+  }
+
+   /**
+   * Get attributeBoolean
+   * @return attributeBoolean
+  **/
+    public Boolean getAttributeBoolean() {
+    return attributeBoolean;
+  }
+
+  public void setAttributeBoolean(Boolean attributeBoolean) {
+    this.attributeBoolean = attributeBoolean;
+  }
+
+  public XmlItem wrappedArray(List<Integer> wrappedArray) {
+    this.wrappedArray = wrappedArray;
+    return this;
+  }
+
+  public XmlItem addWrappedArrayItem(Integer wrappedArrayItem) {
+    if (wrappedArray == null) {
+      wrappedArray = new ArrayList<>();
+    }
+    wrappedArray.add(wrappedArrayItem);
+    return this;
+  }
+
+   /**
+   * Get wrappedArray
+   * @return wrappedArray
+  **/
+    public List<Integer> getWrappedArray() {
+    return wrappedArray;
+  }
+
+  public void setWrappedArray(List<Integer> wrappedArray) {
+    this.wrappedArray = wrappedArray;
+  }
+
+  public XmlItem nameString(String nameString) {
+    this.nameString = nameString;
+    return this;
+  }
+
+   /**
+   * Get nameString
+   * @return nameString
+  **/
+    public String getNameString() {
+    return nameString;
+  }
+
+  public void setNameString(String nameString) {
+    this.nameString = nameString;
+  }
+
+  public XmlItem nameNumber(BigDecimal nameNumber) {
+    this.nameNumber = nameNumber;
+    return this;
+  }
+
+   /**
+   * Get nameNumber
+   * @return nameNumber
+  **/
+  @Valid
+  public BigDecimal getNameNumber() {
+    return nameNumber;
+  }
+
+  public void setNameNumber(BigDecimal nameNumber) {
+    this.nameNumber = nameNumber;
+  }
+
+  public XmlItem nameInteger(Integer nameInteger) {
+    this.nameInteger = nameInteger;
+    return this;
+  }
+
+   /**
+   * Get nameInteger
+   * @return nameInteger
+  **/
+    public Integer getNameInteger() {
+    return nameInteger;
+  }
+
+  public void setNameInteger(Integer nameInteger) {
+    this.nameInteger = nameInteger;
+  }
+
+  public XmlItem nameBoolean(Boolean nameBoolean) {
+    this.nameBoolean = nameBoolean;
+    return this;
+  }
+
+   /**
+   * Get nameBoolean
+   * @return nameBoolean
+  **/
+    public Boolean getNameBoolean() {
+    return nameBoolean;
+  }
+
+  public void setNameBoolean(Boolean nameBoolean) {
+    this.nameBoolean = nameBoolean;
+  }
+
+  public XmlItem nameArray(List<Integer> nameArray) {
+    this.nameArray = nameArray;
+    return this;
+  }
+
+  public XmlItem addNameArrayItem(Integer nameArrayItem) {
+    if (nameArray == null) {
+      nameArray = new ArrayList<>();
+    }
+    nameArray.add(nameArrayItem);
+    return this;
+  }
+
+   /**
+   * Get nameArray
+   * @return nameArray
+  **/
+    public List<Integer> getNameArray() {
+    return nameArray;
+  }
+
+  public void setNameArray(List<Integer> nameArray) {
+    this.nameArray = nameArray;
+  }
+
+  public XmlItem nameWrappedArray(List<Integer> nameWrappedArray) {
+    this.nameWrappedArray = nameWrappedArray;
+    return this;
+  }
+
+  public XmlItem addNameWrappedArrayItem(Integer nameWrappedArrayItem) {
+    if (nameWrappedArray == null) {
+      nameWrappedArray = new ArrayList<>();
+    }
+    nameWrappedArray.add(nameWrappedArrayItem);
+    return this;
+  }
+
+   /**
+   * Get nameWrappedArray
+   * @return nameWrappedArray
+  **/
+    public List<Integer> getNameWrappedArray() {
+    return nameWrappedArray;
+  }
+
+  public void setNameWrappedArray(List<Integer> nameWrappedArray) {
+    this.nameWrappedArray = nameWrappedArray;
+  }
+
+  public XmlItem prefixString(String prefixString) {
+    this.prefixString = prefixString;
+    return this;
+  }
+
+   /**
+   * Get prefixString
+   * @return prefixString
+  **/
+    public String getPrefixString() {
+    return prefixString;
+  }
+
+  public void setPrefixString(String prefixString) {
+    this.prefixString = prefixString;
+  }
+
+  public XmlItem prefixNumber(BigDecimal prefixNumber) {
+    this.prefixNumber = prefixNumber;
+    return this;
+  }
+
+   /**
+   * Get prefixNumber
+   * @return prefixNumber
+  **/
+  @Valid
+  public BigDecimal getPrefixNumber() {
+    return prefixNumber;
+  }
+
+  public void setPrefixNumber(BigDecimal prefixNumber) {
+    this.prefixNumber = prefixNumber;
+  }
+
+  public XmlItem prefixInteger(Integer prefixInteger) {
+    this.prefixInteger = prefixInteger;
+    return this;
+  }
+
+   /**
+   * Get prefixInteger
+   * @return prefixInteger
+  **/
+    public Integer getPrefixInteger() {
+    return prefixInteger;
+  }
+
+  public void setPrefixInteger(Integer prefixInteger) {
+    this.prefixInteger = prefixInteger;
+  }
+
+  public XmlItem prefixBoolean(Boolean prefixBoolean) {
+    this.prefixBoolean = prefixBoolean;
+    return this;
+  }
+
+   /**
+   * Get prefixBoolean
+   * @return prefixBoolean
+  **/
+    public Boolean getPrefixBoolean() {
+    return prefixBoolean;
+  }
+
+  public void setPrefixBoolean(Boolean prefixBoolean) {
+    this.prefixBoolean = prefixBoolean;
+  }
+
+  public XmlItem prefixArray(List<Integer> prefixArray) {
+    this.prefixArray = prefixArray;
+    return this;
+  }
+
+  public XmlItem addPrefixArrayItem(Integer prefixArrayItem) {
+    if (prefixArray == null) {
+      prefixArray = new ArrayList<>();
+    }
+    prefixArray.add(prefixArrayItem);
+    return this;
+  }
+
+   /**
+   * Get prefixArray
+   * @return prefixArray
+  **/
+    public List<Integer> getPrefixArray() {
+    return prefixArray;
+  }
+
+  public void setPrefixArray(List<Integer> prefixArray) {
+    this.prefixArray = prefixArray;
+  }
+
+  public XmlItem prefixWrappedArray(List<Integer> prefixWrappedArray) {
+    this.prefixWrappedArray = prefixWrappedArray;
+    return this;
+  }
+
+  public XmlItem addPrefixWrappedArrayItem(Integer prefixWrappedArrayItem) {
+    if (prefixWrappedArray == null) {
+      prefixWrappedArray = new ArrayList<>();
+    }
+    prefixWrappedArray.add(prefixWrappedArrayItem);
+    return this;
+  }
+
+   /**
+   * Get prefixWrappedArray
+   * @return prefixWrappedArray
+  **/
+    public List<Integer> getPrefixWrappedArray() {
+    return prefixWrappedArray;
+  }
+
+  public void setPrefixWrappedArray(List<Integer> prefixWrappedArray) {
+    this.prefixWrappedArray = prefixWrappedArray;
+  }
+
+  public XmlItem namespaceString(String namespaceString) {
+    this.namespaceString = namespaceString;
+    return this;
+  }
+
+   /**
+   * Get namespaceString
+   * @return namespaceString
+  **/
+    public String getNamespaceString() {
+    return namespaceString;
+  }
+
+  public void setNamespaceString(String namespaceString) {
+    this.namespaceString = namespaceString;
+  }
+
+  public XmlItem namespaceNumber(BigDecimal namespaceNumber) {
+    this.namespaceNumber = namespaceNumber;
+    return this;
+  }
+
+   /**
+   * Get namespaceNumber
+   * @return namespaceNumber
+  **/
+  @Valid
+  public BigDecimal getNamespaceNumber() {
+    return namespaceNumber;
+  }
+
+  public void setNamespaceNumber(BigDecimal namespaceNumber) {
+    this.namespaceNumber = namespaceNumber;
+  }
+
+  public XmlItem namespaceInteger(Integer namespaceInteger) {
+    this.namespaceInteger = namespaceInteger;
+    return this;
+  }
+
+   /**
+   * Get namespaceInteger
+   * @return namespaceInteger
+  **/
+    public Integer getNamespaceInteger() {
+    return namespaceInteger;
+  }
+
+  public void setNamespaceInteger(Integer namespaceInteger) {
+    this.namespaceInteger = namespaceInteger;
+  }
+
+  public XmlItem namespaceBoolean(Boolean namespaceBoolean) {
+    this.namespaceBoolean = namespaceBoolean;
+    return this;
+  }
+
+   /**
+   * Get namespaceBoolean
+   * @return namespaceBoolean
+  **/
+    public Boolean getNamespaceBoolean() {
+    return namespaceBoolean;
+  }
+
+  public void setNamespaceBoolean(Boolean namespaceBoolean) {
+    this.namespaceBoolean = namespaceBoolean;
+  }
+
+  public XmlItem namespaceArray(List<Integer> namespaceArray) {
+    this.namespaceArray = namespaceArray;
+    return this;
+  }
+
+  public XmlItem addNamespaceArrayItem(Integer namespaceArrayItem) {
+    if (namespaceArray == null) {
+      namespaceArray = new ArrayList<>();
+    }
+    namespaceArray.add(namespaceArrayItem);
+    return this;
+  }
+
+   /**
+   * Get namespaceArray
+   * @return namespaceArray
+  **/
+    public List<Integer> getNamespaceArray() {
+    return namespaceArray;
+  }
+
+  public void setNamespaceArray(List<Integer> namespaceArray) {
+    this.namespaceArray = namespaceArray;
+  }
+
+  public XmlItem namespaceWrappedArray(List<Integer> namespaceWrappedArray) {
+    this.namespaceWrappedArray = namespaceWrappedArray;
+    return this;
+  }
+
+  public XmlItem addNamespaceWrappedArrayItem(Integer namespaceWrappedArrayItem) {
+    if (namespaceWrappedArray == null) {
+      namespaceWrappedArray = new ArrayList<>();
+    }
+    namespaceWrappedArray.add(namespaceWrappedArrayItem);
+    return this;
+  }
+
+   /**
+   * Get namespaceWrappedArray
+   * @return namespaceWrappedArray
+  **/
+    public List<Integer> getNamespaceWrappedArray() {
+    return namespaceWrappedArray;
+  }
+
+  public void setNamespaceWrappedArray(List<Integer> namespaceWrappedArray) {
+    this.namespaceWrappedArray = namespaceWrappedArray;
+  }
+
+  public XmlItem prefixNsString(String prefixNsString) {
+    this.prefixNsString = prefixNsString;
+    return this;
+  }
+
+   /**
+   * Get prefixNsString
+   * @return prefixNsString
+  **/
+    public String getPrefixNsString() {
+    return prefixNsString;
+  }
+
+  public void setPrefixNsString(String prefixNsString) {
+    this.prefixNsString = prefixNsString;
+  }
+
+  public XmlItem prefixNsNumber(BigDecimal prefixNsNumber) {
+    this.prefixNsNumber = prefixNsNumber;
+    return this;
+  }
+
+   /**
+   * Get prefixNsNumber
+   * @return prefixNsNumber
+  **/
+  @Valid
+  public BigDecimal getPrefixNsNumber() {
+    return prefixNsNumber;
+  }
+
+  public void setPrefixNsNumber(BigDecimal prefixNsNumber) {
+    this.prefixNsNumber = prefixNsNumber;
+  }
+
+  public XmlItem prefixNsInteger(Integer prefixNsInteger) {
+    this.prefixNsInteger = prefixNsInteger;
+    return this;
+  }
+
+   /**
+   * Get prefixNsInteger
+   * @return prefixNsInteger
+  **/
+    public Integer getPrefixNsInteger() {
+    return prefixNsInteger;
+  }
+
+  public void setPrefixNsInteger(Integer prefixNsInteger) {
+    this.prefixNsInteger = prefixNsInteger;
+  }
+
+  public XmlItem prefixNsBoolean(Boolean prefixNsBoolean) {
+    this.prefixNsBoolean = prefixNsBoolean;
+    return this;
+  }
+
+   /**
+   * Get prefixNsBoolean
+   * @return prefixNsBoolean
+  **/
+    public Boolean getPrefixNsBoolean() {
+    return prefixNsBoolean;
+  }
+
+  public void setPrefixNsBoolean(Boolean prefixNsBoolean) {
+    this.prefixNsBoolean = prefixNsBoolean;
+  }
+
+  public XmlItem prefixNsArray(List<Integer> prefixNsArray) {
+    this.prefixNsArray = prefixNsArray;
+    return this;
+  }
+
+  public XmlItem addPrefixNsArrayItem(Integer prefixNsArrayItem) {
+    if (prefixNsArray == null) {
+      prefixNsArray = new ArrayList<>();
+    }
+    prefixNsArray.add(prefixNsArrayItem);
+    return this;
+  }
+
+   /**
+   * Get prefixNsArray
+   * @return prefixNsArray
+  **/
+    public List<Integer> getPrefixNsArray() {
+    return prefixNsArray;
+  }
+
+  public void setPrefixNsArray(List<Integer> prefixNsArray) {
+    this.prefixNsArray = prefixNsArray;
+  }
+
+  public XmlItem prefixNsWrappedArray(List<Integer> prefixNsWrappedArray) {
+    this.prefixNsWrappedArray = prefixNsWrappedArray;
+    return this;
+  }
+
+  public XmlItem addPrefixNsWrappedArrayItem(Integer prefixNsWrappedArrayItem) {
+    if (prefixNsWrappedArray == null) {
+      prefixNsWrappedArray = new ArrayList<>();
+    }
+    prefixNsWrappedArray.add(prefixNsWrappedArrayItem);
+    return this;
+  }
+
+   /**
+   * Get prefixNsWrappedArray
+   * @return prefixNsWrappedArray
+  **/
+    public List<Integer> getPrefixNsWrappedArray() {
+    return prefixNsWrappedArray;
+  }
+
+  public void setPrefixNsWrappedArray(List<Integer> prefixNsWrappedArray) {
+    this.prefixNsWrappedArray = prefixNsWrappedArray;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    XmlItem xmlItem = (XmlItem) o;
+    return Objects.equals(attributeString, xmlItem.attributeString) &&
+        Objects.equals(attributeNumber, xmlItem.attributeNumber) &&
+        Objects.equals(attributeInteger, xmlItem.attributeInteger) &&
+        Objects.equals(attributeBoolean, xmlItem.attributeBoolean) &&
+        Objects.equals(wrappedArray, xmlItem.wrappedArray) &&
+        Objects.equals(nameString, xmlItem.nameString) &&
+        Objects.equals(nameNumber, xmlItem.nameNumber) &&
+        Objects.equals(nameInteger, xmlItem.nameInteger) &&
+        Objects.equals(nameBoolean, xmlItem.nameBoolean) &&
+        Objects.equals(nameArray, xmlItem.nameArray) &&
+        Objects.equals(nameWrappedArray, xmlItem.nameWrappedArray) &&
+        Objects.equals(prefixString, xmlItem.prefixString) &&
+        Objects.equals(prefixNumber, xmlItem.prefixNumber) &&
+        Objects.equals(prefixInteger, xmlItem.prefixInteger) &&
+        Objects.equals(prefixBoolean, xmlItem.prefixBoolean) &&
+        Objects.equals(prefixArray, xmlItem.prefixArray) &&
+        Objects.equals(prefixWrappedArray, xmlItem.prefixWrappedArray) &&
+        Objects.equals(namespaceString, xmlItem.namespaceString) &&
+        Objects.equals(namespaceNumber, xmlItem.namespaceNumber) &&
+        Objects.equals(namespaceInteger, xmlItem.namespaceInteger) &&
+        Objects.equals(namespaceBoolean, xmlItem.namespaceBoolean) &&
+        Objects.equals(namespaceArray, xmlItem.namespaceArray) &&
+        Objects.equals(namespaceWrappedArray, xmlItem.namespaceWrappedArray) &&
+        Objects.equals(prefixNsString, xmlItem.prefixNsString) &&
+        Objects.equals(prefixNsNumber, xmlItem.prefixNsNumber) &&
+        Objects.equals(prefixNsInteger, xmlItem.prefixNsInteger) &&
+        Objects.equals(prefixNsBoolean, xmlItem.prefixNsBoolean) &&
+        Objects.equals(prefixNsArray, xmlItem.prefixNsArray) &&
+        Objects.equals(prefixNsWrappedArray, xmlItem.prefixNsWrappedArray);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(attributeString, attributeNumber, attributeInteger, attributeBoolean, wrappedArray, nameString, nameNumber, nameInteger, nameBoolean, nameArray, nameWrappedArray, prefixString, prefixNumber, prefixInteger, prefixBoolean, prefixArray, prefixWrappedArray, namespaceString, namespaceNumber, namespaceInteger, namespaceBoolean, namespaceArray, namespaceWrappedArray, prefixNsString, prefixNsNumber, prefixNsInteger, prefixNsBoolean, prefixNsArray, prefixNsWrappedArray);
+  }
+
+  @SuppressWarnings("StringBufferReplaceableByString")
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class XmlItem {\n");
+    
+    sb.append("    attributeString: ").append(toIndentedString(attributeString)).append("\n");
+    sb.append("    attributeNumber: ").append(toIndentedString(attributeNumber)).append("\n");
+    sb.append("    attributeInteger: ").append(toIndentedString(attributeInteger)).append("\n");
+    sb.append("    attributeBoolean: ").append(toIndentedString(attributeBoolean)).append("\n");
+    sb.append("    wrappedArray: ").append(toIndentedString(wrappedArray)).append("\n");
+    sb.append("    nameString: ").append(toIndentedString(nameString)).append("\n");
+    sb.append("    nameNumber: ").append(toIndentedString(nameNumber)).append("\n");
+    sb.append("    nameInteger: ").append(toIndentedString(nameInteger)).append("\n");
+    sb.append("    nameBoolean: ").append(toIndentedString(nameBoolean)).append("\n");
+    sb.append("    nameArray: ").append(toIndentedString(nameArray)).append("\n");
+    sb.append("    nameWrappedArray: ").append(toIndentedString(nameWrappedArray)).append("\n");
+    sb.append("    prefixString: ").append(toIndentedString(prefixString)).append("\n");
+    sb.append("    prefixNumber: ").append(toIndentedString(prefixNumber)).append("\n");
+    sb.append("    prefixInteger: ").append(toIndentedString(prefixInteger)).append("\n");
+    sb.append("    prefixBoolean: ").append(toIndentedString(prefixBoolean)).append("\n");
+    sb.append("    prefixArray: ").append(toIndentedString(prefixArray)).append("\n");
+    sb.append("    prefixWrappedArray: ").append(toIndentedString(prefixWrappedArray)).append("\n");
+    sb.append("    namespaceString: ").append(toIndentedString(namespaceString)).append("\n");
+    sb.append("    namespaceNumber: ").append(toIndentedString(namespaceNumber)).append("\n");
+    sb.append("    namespaceInteger: ").append(toIndentedString(namespaceInteger)).append("\n");
+    sb.append("    namespaceBoolean: ").append(toIndentedString(namespaceBoolean)).append("\n");
+    sb.append("    namespaceArray: ").append(toIndentedString(namespaceArray)).append("\n");
+    sb.append("    namespaceWrappedArray: ").append(toIndentedString(namespaceWrappedArray)).append("\n");
+    sb.append("    prefixNsString: ").append(toIndentedString(prefixNsString)).append("\n");
+    sb.append("    prefixNsNumber: ").append(toIndentedString(prefixNsNumber)).append("\n");
+    sb.append("    prefixNsInteger: ").append(toIndentedString(prefixNsInteger)).append("\n");
+    sb.append("    prefixNsBoolean: ").append(toIndentedString(prefixNsBoolean)).append("\n");
+    sb.append("    prefixNsArray: ").append(toIndentedString(prefixNsArray)).append("\n");
+    sb.append("    prefixNsWrappedArray: ").append(toIndentedString(prefixNsWrappedArray)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/server/petstore/java-play-framework-fake-endpoints/app/controllers/AnotherFakeApiController.java

@@ -36,18 +36,18 @@ public class AnotherFakeApiController extends Controller {
 
 
     @ApiAction
-    public Result testSpecialTags() throws Exception {
+    public Result call123testSpecialTags() throws Exception {
-        JsonNode nodeclient = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        Client client;
+        Client body;
-        if (nodeclient != null) {
+        if (nodebody != null) {
-            client = mapper.readValue(nodeclient.toString(), Client.class);
+            body = mapper.readValue(nodebody.toString(), Client.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(client);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'Client' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        Client obj = imp.testSpecialTags(client);
+        Client obj = imp.call123testSpecialTags(body);
         if (configuration.getBoolean("useOutputBeanValidation")) {
             OpenAPIUtils.validate(obj);
         }

samples/server/petstore/java-play-framework-fake-endpoints/app/controllers/AnotherFakeApiControllerImp.java

@@ -11,7 +11,7 @@ import javax.validation.constraints.*;
 
 public class AnotherFakeApiControllerImp implements AnotherFakeApiControllerImpInterface {
     @Override
-    public Client testSpecialTags(Client client) throws Exception {
+    public Client call123testSpecialTags(Client body) throws Exception {
         //Do your magic!!!
         return new Client();
     }

samples/server/petstore/java-play-framework-fake-endpoints/app/controllers/AnotherFakeApiControllerImpInterface.java

@@ -11,6 +11,6 @@ import javax.validation.constraints.*;
 
 @SuppressWarnings("RedundantThrows")
 public interface AnotherFakeApiControllerImpInterface {
-    Client testSpecialTags(Client client) throws Exception;
+    Client call123testSpecialTags(Client body) throws Exception;
 
 }

samples/server/petstore/java-play-framework-fake-endpoints/app/controllers/FakeApiController.java

@@ -9,6 +9,7 @@ import java.util.Map;
 import java.time.OffsetDateTime;
 import apimodels.OuterComposite;
 import apimodels.User;
+import apimodels.XmlItem;
 
 import play.mvc.Controller;
 import play.mvc.Result;
@@ -43,6 +44,22 @@ public class FakeApiController extends Controller {
     }
 
 
+    @ApiAction
+    public Result createXmlItem() throws Exception {
+        JsonNode nodexmlItem = request().body().asJson();
+        XmlItem xmlItem;
+        if (nodexmlItem != null) {
+            xmlItem = mapper.readValue(nodexmlItem.toString(), XmlItem.class);
+            if (configuration.getBoolean("useInputBeanValidation")) {
+                OpenAPIUtils.validate(xmlItem);
+            }
+        } else {
+            throw new IllegalArgumentException("'XmlItem' parameter is required");
+        }
+        imp.createXmlItem(xmlItem);
+        return ok();
+    }
+
     @ApiAction
     public Result fakeOuterBooleanSerialize() throws Exception {
         JsonNode nodebody = request().body().asJson();
@@ -62,17 +79,17 @@ public class FakeApiController extends Controller {
 
     @ApiAction
     public Result fakeOuterCompositeSerialize() throws Exception {
-        JsonNode nodeouterComposite = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        OuterComposite outerComposite;
+        OuterComposite body;
-        if (nodeouterComposite != null) {
+        if (nodebody != null) {
-            outerComposite = mapper.readValue(nodeouterComposite.toString(), OuterComposite.class);
+            body = mapper.readValue(nodebody.toString(), OuterComposite.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(outerComposite);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            outerComposite = null;
+            body = null;
         }
-        OuterComposite obj = imp.fakeOuterCompositeSerialize(outerComposite);
+        OuterComposite obj = imp.fakeOuterCompositeSerialize(body);
         if (configuration.getBoolean("useOutputBeanValidation")) {
             OpenAPIUtils.validate(obj);
         }
@@ -119,31 +136,31 @@ public class FakeApiController extends Controller {
 
     @ApiAction
     public Result testBodyWithFileSchema() throws Exception {
-        JsonNode nodefileSchemaTestClass = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        FileSchemaTestClass fileSchemaTestClass;
+        FileSchemaTestClass body;
-        if (nodefileSchemaTestClass != null) {
+        if (nodebody != null) {
-            fileSchemaTestClass = mapper.readValue(nodefileSchemaTestClass.toString(), FileSchemaTestClass.class);
+            body = mapper.readValue(nodebody.toString(), FileSchemaTestClass.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(fileSchemaTestClass);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'FileSchemaTestClass' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        imp.testBodyWithFileSchema(fileSchemaTestClass);
+        imp.testBodyWithFileSchema(body);
         return ok();
     }
 
     @ApiAction
     public Result testBodyWithQueryParams() throws Exception {
-        JsonNode nodeuser = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        User user;
+        User body;
-        if (nodeuser != null) {
+        if (nodebody != null) {
-            user = mapper.readValue(nodeuser.toString(), User.class);
+            body = mapper.readValue(nodebody.toString(), User.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(user);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'User' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
         String valuequery = request().getQueryString("query");
         String query;
@@ -152,23 +169,23 @@ public class FakeApiController extends Controller {
         } else {
             throw new IllegalArgumentException("'query' parameter is required");
         }
-        imp.testBodyWithQueryParams(query, user);
+        imp.testBodyWithQueryParams(query, body);
         return ok();
     }
 
     @ApiAction
     public Result testClientModel() throws Exception {
-        JsonNode nodeclient = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        Client client;
+        Client body;
-        if (nodeclient != null) {
+        if (nodebody != null) {
-            client = mapper.readValue(nodeclient.toString(), Client.class);
+            body = mapper.readValue(nodebody.toString(), Client.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(client);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'Client' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        Client obj = imp.testClientModel(client);
+        Client obj = imp.testClientModel(body);
         if (configuration.getBoolean("useOutputBeanValidation")) {
             OpenAPIUtils.validate(obj);
         }
@@ -225,7 +242,7 @@ public class FakeApiController extends Controller {
         if (valuestring != null) {
             string = valuestring;
         } else {
-            string = "null";
+            string = null;
         }
         String valuepatternWithoutDelimiter = (request().body().asMultipartFormData().asFormUrlEncoded().get("pattern_without_delimiter"))[0];
         String patternWithoutDelimiter;
@@ -261,14 +278,14 @@ public class FakeApiController extends Controller {
         if (valuepassword != null) {
             password = valuepassword;
         } else {
-            password = "null";
+            password = null;
         }
         String valueparamCallback = (request().body().asMultipartFormData().asFormUrlEncoded().get("callback"))[0];
         String paramCallback;
         if (valueparamCallback != null) {
             paramCallback = valueparamCallback;
         } else {
-            paramCallback = "null";
+            paramCallback = null;
         }
         imp.testEndpointParameters(number, _double, patternWithoutDelimiter, _byte, integer, int32, int64, _float, string, binary, date, dateTime, password, paramCallback);
         return ok();
@@ -342,21 +359,69 @@ public class FakeApiController extends Controller {
         return ok();
     }
 
+    @ApiAction
+    public Result testGroupParameters() throws Exception {
+        String valuerequiredStringGroup = request().getQueryString("required_string_group");
+        Integer requiredStringGroup;
+        if (valuerequiredStringGroup != null) {
+            requiredStringGroup = Integer.parseInt(valuerequiredStringGroup);
+        } else {
+            throw new IllegalArgumentException("'required_string_group' parameter is required");
+        }
+        String valuerequiredInt64Group = request().getQueryString("required_int64_group");
+        Long requiredInt64Group;
+        if (valuerequiredInt64Group != null) {
+            requiredInt64Group = Long.parseLong(valuerequiredInt64Group);
+        } else {
+            throw new IllegalArgumentException("'required_int64_group' parameter is required");
+        }
+        String valuestringGroup = request().getQueryString("string_group");
+        Integer stringGroup;
+        if (valuestringGroup != null) {
+            stringGroup = Integer.parseInt(valuestringGroup);
+        } else {
+            stringGroup = null;
+        }
+        String valueint64Group = request().getQueryString("int64_group");
+        Long int64Group;
+        if (valueint64Group != null) {
+            int64Group = Long.parseLong(valueint64Group);
+        } else {
+            int64Group = null;
+        }
+        String valuerequiredBooleanGroup = request().getHeader("required_boolean_group");
+        Boolean requiredBooleanGroup;
+        if (valuerequiredBooleanGroup != null) {
+            requiredBooleanGroup = Boolean.valueOf(valuerequiredBooleanGroup);
+        } else {
+            throw new IllegalArgumentException("'required_boolean_group' parameter is required");
+        }
+        String valuebooleanGroup = request().getHeader("boolean_group");
+        Boolean booleanGroup;
+        if (valuebooleanGroup != null) {
+            booleanGroup = Boolean.valueOf(valuebooleanGroup);
+        } else {
+            booleanGroup = null;
+        }
+        imp.testGroupParameters(requiredStringGroup, requiredBooleanGroup, requiredInt64Group, stringGroup, booleanGroup, int64Group);
+        return ok();
+    }
+
     @ApiAction
     public Result testInlineAdditionalProperties() throws Exception {
-        JsonNode noderequestBody = request().body().asJson();
+        JsonNode nodeparam = request().body().asJson();
-        Map<String, String> requestBody;
+        Map<String, String> param;
-        if (noderequestBody != null) {
+        if (nodeparam != null) {
-            requestBody = mapper.readValue(noderequestBody.toString(), new TypeReference<Map<String, String>>(){});
+            param = mapper.readValue(nodeparam.toString(), new TypeReference<Map<String, String>>(){});
             if (configuration.getBoolean("useInputBeanValidation")) {
-                for (Map.Entry<String, String> entry : requestBody.entrySet()) {
+                for (Map.Entry<String, String> entry : param.entrySet()) {
                     OpenAPIUtils.validate(entry.getValue());
                 }
             }
         } else {
-            throw new IllegalArgumentException("'request_body' parameter is required");
+            throw new IllegalArgumentException("'param' parameter is required");
         }
-        imp.testInlineAdditionalProperties(requestBody);
+        imp.testInlineAdditionalProperties(param);
         return ok();
     }
 
@@ -379,4 +444,70 @@ public class FakeApiController extends Controller {
         imp.testJsonFormData(param, param2);
         return ok();
     }
+
+    @ApiAction
+    public Result testQueryParameterCollectionFormat() throws Exception {
+        String[] pipeArray = request().queryString().get("pipe");
+        if (pipeArray == null) {
+            throw new IllegalArgumentException("'pipe' parameter is required");
+        }
+        List<String> pipeList = OpenAPIUtils.parametersToList("csv", pipeArray);
+        List<String> pipe = new ArrayList<String>();
+        for (String curParam : pipeList) {
+            if (!curParam.isEmpty()) {
+                //noinspection UseBulkOperation
+                pipe.add(curParam);
+            }
+        }
+        String[] ioutilArray = request().queryString().get("ioutil");
+        if (ioutilArray == null) {
+            throw new IllegalArgumentException("'ioutil' parameter is required");
+        }
+        List<String> ioutilList = OpenAPIUtils.parametersToList("csv", ioutilArray);
+        List<String> ioutil = new ArrayList<String>();
+        for (String curParam : ioutilList) {
+            if (!curParam.isEmpty()) {
+                //noinspection UseBulkOperation
+                ioutil.add(curParam);
+            }
+        }
+        String[] httpArray = request().queryString().get("http");
+        if (httpArray == null) {
+            throw new IllegalArgumentException("'http' parameter is required");
+        }
+        List<String> httpList = OpenAPIUtils.parametersToList("space", httpArray);
+        List<String> http = new ArrayList<String>();
+        for (String curParam : httpList) {
+            if (!curParam.isEmpty()) {
+                //noinspection UseBulkOperation
+                http.add(curParam);
+            }
+        }
+        String[] urlArray = request().queryString().get("url");
+        if (urlArray == null) {
+            throw new IllegalArgumentException("'url' parameter is required");
+        }
+        List<String> urlList = OpenAPIUtils.parametersToList("csv", urlArray);
+        List<String> url = new ArrayList<String>();
+        for (String curParam : urlList) {
+            if (!curParam.isEmpty()) {
+                //noinspection UseBulkOperation
+                url.add(curParam);
+            }
+        }
+        String[] contextArray = request().queryString().get("context");
+        if (contextArray == null) {
+            throw new IllegalArgumentException("'context' parameter is required");
+        }
+        List<String> contextList = OpenAPIUtils.parametersToList("multi", contextArray);
+        List<String> context = new ArrayList<String>();
+        for (String curParam : contextList) {
+            if (!curParam.isEmpty()) {
+                //noinspection UseBulkOperation
+                context.add(curParam);
+            }
+        }
+        imp.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        return ok();
+    }
 }

samples/server/petstore/java-play-framework-fake-endpoints/app/controllers/FakeApiControllerImp.java

@@ -9,6 +9,7 @@ import java.util.Map;
 import java.time.OffsetDateTime;
 import apimodels.OuterComposite;
 import apimodels.User;
+import apimodels.XmlItem;
 
 import play.mvc.Http;
 import java.util.List;
@@ -18,6 +19,11 @@ import java.io.FileInputStream;
 import javax.validation.constraints.*;
 
 public class FakeApiControllerImp implements FakeApiControllerImpInterface {
+    @Override
+    public void createXmlItem(XmlItem xmlItem) throws Exception {
+        //Do your magic!!!
+    }
+
     @Override
     public Boolean fakeOuterBooleanSerialize(Boolean body) throws Exception {
         //Do your magic!!!
@@ -25,7 +31,7 @@ public class FakeApiControllerImp implements FakeApiControllerImpInterface {
     }
 
     @Override
-    public OuterComposite fakeOuterCompositeSerialize(OuterComposite outerComposite) throws Exception {
+    public OuterComposite fakeOuterCompositeSerialize(OuterComposite body) throws Exception {
         //Do your magic!!!
         return new OuterComposite();
     }
@@ -43,17 +49,17 @@ public class FakeApiControllerImp implements FakeApiControllerImpInterface {
     }
 
     @Override
-    public void testBodyWithFileSchema(FileSchemaTestClass fileSchemaTestClass) throws Exception {
+    public void testBodyWithFileSchema(FileSchemaTestClass body) throws Exception {
         //Do your magic!!!
     }
 
     @Override
-    public void testBodyWithQueryParams( @NotNull String query, User user) throws Exception {
+    public void testBodyWithQueryParams( @NotNull String query, User body) throws Exception {
         //Do your magic!!!
     }
 
     @Override
-    public Client testClientModel(Client client) throws Exception {
+    public Client testClientModel(Client body) throws Exception {
         //Do your magic!!!
         return new Client();
     }
@@ -69,7 +75,12 @@ public class FakeApiControllerImp implements FakeApiControllerImpInterface {
     }
 
     @Override
-    public void testInlineAdditionalProperties(Map<String, String> requestBody) throws Exception {
+    public void testGroupParameters( @NotNull Integer requiredStringGroup, Boolean requiredBooleanGroup,  @NotNull Long requiredInt64Group, Integer stringGroup, Boolean booleanGroup, Long int64Group) throws Exception {
+        //Do your magic!!!
+    }
+
+    @Override
+    public void testInlineAdditionalProperties(Map<String, String> param) throws Exception {
         //Do your magic!!!
     }
 
@@ -78,4 +89,9 @@ public class FakeApiControllerImp implements FakeApiControllerImpInterface {
         //Do your magic!!!
     }
 
+    @Override
+    public void testQueryParameterCollectionFormat( @NotNull List<String> pipe,  @NotNull List<String> ioutil,  @NotNull List<String> http,  @NotNull List<String> url,  @NotNull List<String> context) throws Exception {
+        //Do your magic!!!
+    }
+
 }

samples/server/petstore/java-play-framework-fake-endpoints/app/controllers/FakeApiControllerImpInterface.java

@@ -9,6 +9,7 @@ import java.util.Map;
 import java.time.OffsetDateTime;
 import apimodels.OuterComposite;
 import apimodels.User;
+import apimodels.XmlItem;
 
 import play.mvc.Http;
 import java.util.List;
@@ -19,26 +20,32 @@ import javax.validation.constraints.*;
 
 @SuppressWarnings("RedundantThrows")
 public interface FakeApiControllerImpInterface {
+    void createXmlItem(XmlItem xmlItem) throws Exception;
+
     Boolean fakeOuterBooleanSerialize(Boolean body) throws Exception;
 
-    OuterComposite fakeOuterCompositeSerialize(OuterComposite outerComposite) throws Exception;
+    OuterComposite fakeOuterCompositeSerialize(OuterComposite body) throws Exception;
 
     BigDecimal fakeOuterNumberSerialize(BigDecimal body) throws Exception;
 
     String fakeOuterStringSerialize(String body) throws Exception;
 
-    void testBodyWithFileSchema(FileSchemaTestClass fileSchemaTestClass) throws Exception;
+    void testBodyWithFileSchema(FileSchemaTestClass body) throws Exception;
 
-    void testBodyWithQueryParams( @NotNull String query, User user) throws Exception;
+    void testBodyWithQueryParams( @NotNull String query, User body) throws Exception;
 
-    Client testClientModel(Client client) throws Exception;
+    Client testClientModel(Client body) throws Exception;
 
     void testEndpointParameters(BigDecimal number, Double _double, String patternWithoutDelimiter, byte[] _byte, Integer integer, Integer int32, Long int64, Float _float, String string, Http.MultipartFormData.FilePart binary, LocalDate date, OffsetDateTime dateTime, String password, String paramCallback) throws Exception;
 
     void testEnumParameters(List<String> enumHeaderStringArray, String enumHeaderString, List<String> enumQueryStringArray, String enumQueryString, Integer enumQueryInteger, Double enumQueryDouble, List<String> enumFormStringArray, String enumFormString) throws Exception;
 
-    void testInlineAdditionalProperties(Map<String, String> requestBody) throws Exception;
+    void testGroupParameters( @NotNull Integer requiredStringGroup, Boolean requiredBooleanGroup,  @NotNull Long requiredInt64Group, Integer stringGroup, Boolean booleanGroup, Long int64Group) throws Exception;
+
+    void testInlineAdditionalProperties(Map<String, String> param) throws Exception;
 
     void testJsonFormData(String param, String param2) throws Exception;
 
+    void testQueryParameterCollectionFormat( @NotNull List<String> pipe,  @NotNull List<String> ioutil,  @NotNull List<String> http,  @NotNull List<String> url,  @NotNull List<String> context) throws Exception;
+
 }

samples/server/petstore/java-play-framework-fake-endpoints/app/controllers/FakeClassnameTags123ApiController.java

@@ -37,17 +37,17 @@ public class FakeClassnameTags123ApiController extends Controller {
 
     @ApiAction
     public Result testClassname() throws Exception {
-        JsonNode nodeclient = request().body().asJson();
+        JsonNode nodebody = request().body().asJson();
-        Client client;
+        Client body;
-        if (nodeclient != null) {
+        if (nodebody != null) {
-            client = mapper.readValue(nodeclient.toString(), Client.class);
+            body = mapper.readValue(nodebody.toString(), Client.class);
             if (configuration.getBoolean("useInputBeanValidation")) {
-                OpenAPIUtils.validate(client);
+                OpenAPIUtils.validate(body);
             }
         } else {
-            throw new IllegalArgumentException("'Client' parameter is required");
+            throw new IllegalArgumentException("'body' parameter is required");
         }
-        Client obj = imp.testClassname(client);
+        Client obj = imp.testClassname(body);
         if (configuration.getBoolean("useOutputBeanValidation")) {
             OpenAPIUtils.validate(obj);
         }

samples/server/petstore/java-play-framework-fake-endpoints/app/controllers/FakeClassnameTags123ApiControllerImp.java

@@ -11,7 +11,7 @@ import javax.validation.constraints.*;
 
 public class FakeClassnameTags123ApiControllerImp implements FakeClassnameTags123ApiControllerImpInterface {
     @Override
-    public Client testClassname(Client client) throws Exception {
+    public Client testClassname(Client body) throws Exception {
         //Do your magic!!!
         return new Client();
     }

samples/server/petstore/java-play-framework-fake-endpoints/app/controllers/FakeClassnameTags123ApiControllerImpInterface.java

@@ -11,6 +11,6 @@ import javax.validation.constraints.*;
 
 @SuppressWarnings("RedundantThrows")
 public interface FakeClassnameTags123ApiControllerImpInterface {
-    Client testClassname(Client client) throws Exception;
+    Client testClassname(Client body) throws Exception;
 
 }