[Java][Spring] Fix spring cloud client due to enhancement in adding server example responses. (#5497)

* add use spring cloud client option

* uncomment spring cloud client test

* remove scala-related tests from pom.xml for circleci

* fix mismstach tag

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/SpringCodegen.java

@@ -206,8 +206,8 @@ public class SpringCodegen extends AbstractJavaCodegen implements BeanValidation
                 if (!additionalProperties.containsKey(SINGLE_CONTENT_TYPES)) {
                     additionalProperties.put(SINGLE_CONTENT_TYPES, "true");
                     this.setSingleContentTypes(true);
-
                 }
+                additionalProperties.put("useSpringCloudClient", true);
 
             } else {
                 apiTemplateFiles.put("apiController.mustache", "Controller.java");

modules/swagger-codegen/src/main/resources/JavaSpring/api.mustache

@@ -16,7 +16,9 @@ import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RequestPart;
 import org.springframework.web.multipart.MultipartFile;
+{{#useSpringCloudClient}}
 import java.io.IOException;
+{{/useSpringCloudClient}}
 
 import java.util.List;
 {{#async}}
@@ -52,11 +54,20 @@ public interface {{classname}} {
         produces = { {{#produces}}"{{{mediaType}}}"{{#hasMore}}, {{/hasMore}}{{/produces}} }, {{/hasProduces}}{{#hasConsumes}}
         consumes = { {{#consumes}}"{{{mediaType}}}"{{#hasMore}}, {{/hasMore}}{{/consumes}} },{{/hasConsumes}}{{/singleContentTypes}}
         method = RequestMethod.{{httpMethod}})
+{{#useSpringCloudClient}}
+    {{#jdk8}}default {{/jdk8}}{{#responseWrapper}}{{.}}<{{/responseWrapper}}ResponseEntity<{{>returnTypes}}>{{#responseWrapper}}>{{/responseWrapper}} {{operationId}}({{#allParams}}{{>queryParams}}{{>pathParams}}{{>headerParams}}{{>bodyParams}}{{>formParams}}{{#hasMore}},{{/hasMore}}{{/allParams}}){{^jdk8}};{{/jdk8}}{{#jdk8}} {
+        // do some magic!
+        return {{#async}}CompletableFuture.completedFuture({{/async}}new ResponseEntity<{{>returnTypes}}>(HttpStatus.OK){{#async}}){{/async}};
+    }{{/jdk8}}
+
+{{/useSpringCloudClient}}
+{{^useSpringCloudClient}}
     {{#jdk8}}default {{/jdk8}}{{#responseWrapper}}{{.}}<{{/responseWrapper}}ResponseEntity<{{>returnTypes}}>{{#responseWrapper}}>{{/responseWrapper}} {{operationId}}({{#allParams}}{{>queryParams}}{{>pathParams}}{{>headerParams}}{{>bodyParams}}{{>formParams}},{{/allParams}} @RequestHeader("Accept") String accept){{#examples}}{{#-first}} throws IOException{{/-first}}{{/examples}}{{^jdk8}};{{/jdk8}}{{#jdk8}} {
         // do some magic!
         return {{#async}}CompletableFuture.completedFuture({{/async}}new ResponseEntity<{{>returnTypes}}>(HttpStatus.OK){{#async}}){{/async}};
     }{{/jdk8}}
 
+{{/useSpringCloudClient}}
 {{/operation}}
 }
 {{/operations}}

modules/swagger-codegen/src/main/resources/JavaSpring/apiController.mustache

@@ -17,8 +17,10 @@ import org.springframework.web.bind.annotation.RequestHeader;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RequestPart;
 import org.springframework.web.multipart.MultipartFile;
+{{^useSpringCloudClient}}
 import com.fasterxml.jackson.databind.ObjectMapper;
 import java.io.IOException;
+{{/useSpringCloudClient}}
 
 import java.util.List;
 {{#async}}
@@ -52,6 +54,25 @@ public class {{classname}}Controller implements {{classname}} {
     public {{#async}}Callable<{{/async}}ResponseEntity<{{>returnTypes}}>{{#async}}>{{/async}} {{operationId}}({{#allParams}}{{>queryParams}}{{>pathParams}}{{>headerParams}}{{>bodyParams}}{{>formParams}},
         {{/allParams}}@RequestHeader("Accept") String accept){{#examples}}{{#-first}} throws IOException{{/-first}}{{/examples}} {
         // do some magic!
+{{#useSpringCloudClient}}
+        {{^isDelegate}}
+        {{^async}}
+        return new ResponseEntity<{{>returnTypes}}>(HttpStatus.OK);
+        {{/async}}
+        {{#async}}
+        return new Callable<ResponseEntity<{{>returnTypes}}>>() {
+            @Override
+            public ResponseEntity<{{>returnTypes}}> call() throws Exception {
+                return new ResponseEntity<{{>returnTypes}}>(HttpStatus.OK);
+            }
+        };
+        {{/async}}
+        {{/isDelegate}}
+        {{#isDelegate}}
+        return delegate.{{operationId}}({{#allParams}}{{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});
+        {{/isDelegate}}
+{{/useSpringCloudClient}}
+{{^useSpringCloudClient}}
         {{^isDelegate}}
         {{^async}}
         {{#examples}}
@@ -75,6 +96,7 @@ public class {{classname}}Controller implements {{classname}} {
         {{#isDelegate}}
         return delegate.{{operationId}}({{#allParams}}{{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});
         {{/isDelegate}}
+{{/useSpringCloudClient}}
     }
 
 {{/operation}}

pom.xml

@@ -831,15 +831,13 @@
                 <module>samples/server/petstore/jaxrs-resteasy/joda</module>
                 <module>samples/server/petstore/scalatra</module>
                 <module>samples/server/petstore/spring-mvc</module>
-                <!-- comment out due to change in method signature
+                <module>samples/client/petstore/spring-cloud</module>
-                <module>samples/client/petstore/spring-cloud</module> -->
                 <module>samples/server/petstore/springboot</module>
                 <module>samples/server/petstore/springboot-beanvalidation</module>
                 <module>samples/server/petstore/jaxrs-cxf</module>
                 <module>samples/server/petstore/jaxrs-cxf-annotated-base-path</module>
                 <module>samples/server/petstore/jaxrs-cxf-cdi</module>
                 <module>samples/server/petstore/jaxrs-cxf-non-spring-app</module>
-
                 <!--<module>samples/server/petstore/java-msf4j</module> note: JDK8 only -->
             </modules>
         </profile>

samples/client/petstore/spring-cloud/src/main/java/io/swagger/api/PetApi.java

@@ -31,7 +31,6 @@ public interface PetApi {
     }, tags={ "pet", })
     @ApiResponses(value = { 
         @ApiResponse(code = 405, message = "Invalid input", response = Void.class) })
-    
     @RequestMapping(value = "/pet",
         produces = "application/json",
         consumes = "application/json",
@@ -47,7 +46,6 @@ public interface PetApi {
     }, tags={ "pet", })
     @ApiResponses(value = { 
         @ApiResponse(code = 400, message = "Invalid pet value", response = Void.class) })
-    
     @RequestMapping(value = "/pet/{petId}",
         produces = "application/json",
         consumes = "application/json",
@@ -64,12 +62,11 @@ public interface PetApi {
     @ApiResponses(value = { 
         @ApiResponse(code = 200, message = "successful operation", response = Pet.class),
         @ApiResponse(code = 400, message = "Invalid status value", response = Pet.class) })
-    
     @RequestMapping(value = "/pet/findByStatus",
         produces = "application/json",
         consumes = "application/json",
         method = RequestMethod.GET)
-    com.netflix.hystrix.HystrixCommand<ResponseEntity<List<Pet>>> findPetsByStatus( @NotNull @ApiParam(value = "Status values that need to be considered for filter", required = true, allowableValues = "available, pending, sold") @RequestParam(value = "status", required = true) List<String> status) throws IOException;
+    com.netflix.hystrix.HystrixCommand<ResponseEntity<List<Pet>>> findPetsByStatus( @NotNull@ApiParam(value = "Status values that need to be considered for filter", required = true, allowableValues = "available, pending, sold") @RequestParam(value = "status", required = true) List<String> status);
 
 
     @ApiOperation(value = "Finds Pets by tags", notes = "Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.", response = Pet.class, responseContainer = "List", authorizations = {
@@ -81,12 +78,11 @@ public interface PetApi {
     @ApiResponses(value = { 
         @ApiResponse(code = 200, message = "successful operation", response = Pet.class),
         @ApiResponse(code = 400, message = "Invalid tag value", response = Pet.class) })
-    
     @RequestMapping(value = "/pet/findByTags",
         produces = "application/json",
         consumes = "application/json",
         method = RequestMethod.GET)
-    com.netflix.hystrix.HystrixCommand<ResponseEntity<List<Pet>>> findPetsByTags( @NotNull @ApiParam(value = "Tags to filter by", required = true) @RequestParam(value = "tags", required = true) List<String> tags) throws IOException;
+    com.netflix.hystrix.HystrixCommand<ResponseEntity<List<Pet>>> findPetsByTags( @NotNull@ApiParam(value = "Tags to filter by", required = true) @RequestParam(value = "tags", required = true) List<String> tags);
 
 
     @ApiOperation(value = "Find pet by ID", notes = "Returns a single pet", response = Pet.class, authorizations = {
@@ -96,12 +92,11 @@ public interface PetApi {
         @ApiResponse(code = 200, message = "successful operation", response = Pet.class),
         @ApiResponse(code = 400, message = "Invalid ID supplied", response = Pet.class),
         @ApiResponse(code = 404, message = "Pet not found", response = Pet.class) })
-    
     @RequestMapping(value = "/pet/{petId}",
         produces = "application/json",
         consumes = "application/json",
         method = RequestMethod.GET)
-    com.netflix.hystrix.HystrixCommand<ResponseEntity<Pet>> getPetById(@ApiParam(value = "ID of pet to return",required=true ) @PathVariable("petId") Long petId) throws IOException;
+    com.netflix.hystrix.HystrixCommand<ResponseEntity<Pet>> getPetById(@ApiParam(value = "ID of pet to return",required=true ) @PathVariable("petId") Long petId);
 
 
     @ApiOperation(value = "Update an existing pet", notes = "", response = Void.class, authorizations = {
@@ -114,7 +109,6 @@ public interface PetApi {
         @ApiResponse(code = 400, message = "Invalid ID supplied", response = Void.class),
         @ApiResponse(code = 404, message = "Pet not found", response = Void.class),
         @ApiResponse(code = 405, message = "Validation exception", response = Void.class) })
-    
     @RequestMapping(value = "/pet",
         produces = "application/json",
         consumes = "application/json",
@@ -130,7 +124,6 @@ public interface PetApi {
     }, tags={ "pet", })
     @ApiResponses(value = { 
         @ApiResponse(code = 405, message = "Invalid input", response = Void.class) })
-    
     @RequestMapping(value = "/pet/{petId}",
         produces = "application/json",
         consumes = "application/x-www-form-urlencoded",
@@ -146,11 +139,10 @@ public interface PetApi {
     }, tags={ "pet", })
     @ApiResponses(value = { 
         @ApiResponse(code = 200, message = "successful operation", response = ModelApiResponse.class) })
-    
     @RequestMapping(value = "/pet/{petId}/uploadImage",
         produces = "application/json",
         consumes = "multipart/form-data",
         method = RequestMethod.POST)
-    com.netflix.hystrix.HystrixCommand<ResponseEntity<ModelApiResponse>> uploadFile(@ApiParam(value = "ID of pet to update",required=true ) @PathVariable("petId") Long petId,@ApiParam(value = "Additional data to pass to server" ) @RequestParam(value="additionalMetadata", required=false)  String additionalMetadata,@ApiParam(value = "file detail") @RequestParam("file") MultipartFile file) throws IOException;
+    com.netflix.hystrix.HystrixCommand<ResponseEntity<ModelApiResponse>> uploadFile(@ApiParam(value = "ID of pet to update",required=true ) @PathVariable("petId") Long petId,@ApiParam(value = "Additional data to pass to server" ) @RequestParam(value="additionalMetadata", required=false)  String additionalMetadata,@ApiParam(value = "file detail") @RequestParam("file") MultipartFile file);
 
 }

samples/client/petstore/spring-cloud/src/main/java/io/swagger/api/StoreApi.java

@@ -26,7 +26,6 @@ public interface StoreApi {
     @ApiResponses(value = { 
         @ApiResponse(code = 400, message = "Invalid ID supplied", response = Void.class),
         @ApiResponse(code = 404, message = "Order not found", response = Void.class) })
-    
     @RequestMapping(value = "/store/order/{orderId}",
         produces = "application/json",
         consumes = "application/json",
@@ -39,12 +38,11 @@ public interface StoreApi {
     }, tags={ "store", })
     @ApiResponses(value = { 
         @ApiResponse(code = 200, message = "successful operation", response = Integer.class) })
-    
     @RequestMapping(value = "/store/inventory",
         produces = "application/json",
         consumes = "application/json",
         method = RequestMethod.GET)
-    com.netflix.hystrix.HystrixCommand<ResponseEntity<Map<String, Integer>>> getInventory() throws IOException;
+    com.netflix.hystrix.HystrixCommand<ResponseEntity<Map<String, Integer>>> getInventory();
 
 
     @ApiOperation(value = "Find purchase order by ID", notes = "For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions", response = Order.class, tags={ "store", })
@@ -52,23 +50,21 @@ public interface StoreApi {
         @ApiResponse(code = 200, message = "successful operation", response = Order.class),
         @ApiResponse(code = 400, message = "Invalid ID supplied", response = Order.class),
         @ApiResponse(code = 404, message = "Order not found", response = Order.class) })
-    
     @RequestMapping(value = "/store/order/{orderId}",
         produces = "application/json",
         consumes = "application/json",
         method = RequestMethod.GET)
-    com.netflix.hystrix.HystrixCommand<ResponseEntity<Order>> getOrderById( @Min(1) @Max(5)@ApiParam(value = "ID of pet that needs to be fetched",required=true ) @PathVariable("orderId") Long orderId) throws IOException;
+    com.netflix.hystrix.HystrixCommand<ResponseEntity<Order>> getOrderById( @Min(1) @Max(5)@ApiParam(value = "ID of pet that needs to be fetched",required=true ) @PathVariable("orderId") Long orderId);
 
 
     @ApiOperation(value = "Place an order for a pet", notes = "", response = Order.class, tags={ "store", })
     @ApiResponses(value = { 
         @ApiResponse(code = 200, message = "successful operation", response = Order.class),
         @ApiResponse(code = 400, message = "Invalid Order", response = Order.class) })
-    
     @RequestMapping(value = "/store/order",
         produces = "application/json",
         consumes = "application/json",
         method = RequestMethod.POST)
-    com.netflix.hystrix.HystrixCommand<ResponseEntity<Order>> placeOrder(@ApiParam(value = "order placed for purchasing the pet" ,required=true )  @Valid @RequestBody Order body) throws IOException;
+    com.netflix.hystrix.HystrixCommand<ResponseEntity<Order>> placeOrder(@ApiParam(value = "order placed for purchasing the pet" ,required=true )  @Valid @RequestBody Order body);
 
 }

samples/client/petstore/spring-cloud/src/main/java/io/swagger/api/UserApi.java

@@ -25,7 +25,6 @@ public interface UserApi {
     @ApiOperation(value = "Create user", notes = "This can only be done by the logged in user.", response = Void.class, tags={ "user", })
     @ApiResponses(value = { 
         @ApiResponse(code = 200, message = "successful operation", response = Void.class) })
-    
     @RequestMapping(value = "/user",
         produces = "application/json",
         consumes = "application/json",
@@ -36,7 +35,6 @@ public interface UserApi {
     @ApiOperation(value = "Creates list of users with given input array", notes = "", response = Void.class, tags={ "user", })
     @ApiResponses(value = { 
         @ApiResponse(code = 200, message = "successful operation", response = Void.class) })
-    
     @RequestMapping(value = "/user/createWithArray",
         produces = "application/json",
         consumes = "application/json",
@@ -47,7 +45,6 @@ public interface UserApi {
     @ApiOperation(value = "Creates list of users with given input array", notes = "", response = Void.class, tags={ "user", })
     @ApiResponses(value = { 
         @ApiResponse(code = 200, message = "successful operation", response = Void.class) })
-    
     @RequestMapping(value = "/user/createWithList",
         produces = "application/json",
         consumes = "application/json",
@@ -59,7 +56,6 @@ public interface UserApi {
     @ApiResponses(value = { 
         @ApiResponse(code = 400, message = "Invalid username supplied", response = Void.class),
         @ApiResponse(code = 404, message = "User not found", response = Void.class) })
-    
     @RequestMapping(value = "/user/{username}",
         produces = "application/json",
         consumes = "application/json",
@@ -72,30 +68,27 @@ public interface UserApi {
         @ApiResponse(code = 200, message = "successful operation", response = User.class),
         @ApiResponse(code = 400, message = "Invalid username supplied", response = User.class),
         @ApiResponse(code = 404, message = "User not found", response = User.class) })
-    
     @RequestMapping(value = "/user/{username}",
         produces = "application/json",
         consumes = "application/json",
         method = RequestMethod.GET)
-    com.netflix.hystrix.HystrixCommand<ResponseEntity<User>> getUserByName(@ApiParam(value = "The name that needs to be fetched. Use user1 for testing. ",required=true ) @PathVariable("username") String username) throws IOException;
+    com.netflix.hystrix.HystrixCommand<ResponseEntity<User>> getUserByName(@ApiParam(value = "The name that needs to be fetched. Use user1 for testing. ",required=true ) @PathVariable("username") String username);
 
 
     @ApiOperation(value = "Logs user into the system", notes = "", response = String.class, tags={ "user", })
     @ApiResponses(value = { 
         @ApiResponse(code = 200, message = "successful operation", response = String.class),
         @ApiResponse(code = 400, message = "Invalid username/password supplied", response = String.class) })
-    
     @RequestMapping(value = "/user/login",
         produces = "application/json",
         consumes = "application/json",
         method = RequestMethod.GET)
-    com.netflix.hystrix.HystrixCommand<ResponseEntity<String>> loginUser( @NotNull @ApiParam(value = "The user name for login", required = true) @RequestParam(value = "username", required = true) String username, @NotNull @ApiParam(value = "The password for login in clear text", required = true) @RequestParam(value = "password", required = true) String password) throws IOException;
+    com.netflix.hystrix.HystrixCommand<ResponseEntity<String>> loginUser( @NotNull@ApiParam(value = "The user name for login", required = true) @RequestParam(value = "username", required = true) String username, @NotNull@ApiParam(value = "The password for login in clear text", required = true) @RequestParam(value = "password", required = true) String password);
 
 
     @ApiOperation(value = "Logs out current logged in user session", notes = "", response = Void.class, tags={ "user", })
     @ApiResponses(value = { 
         @ApiResponse(code = 200, message = "successful operation", response = Void.class) })
-    
     @RequestMapping(value = "/user/logout",
         produces = "application/json",
         consumes = "application/json",
@@ -107,7 +100,6 @@ public interface UserApi {
     @ApiResponses(value = { 
         @ApiResponse(code = 400, message = "Invalid user supplied", response = Void.class),
         @ApiResponse(code = 404, message = "User not found", response = Void.class) })
-    
     @RequestMapping(value = "/user/{username}",
         produces = "application/json",
         consumes = "application/json",

samples/client/petstore/spring-cloud/src/main/java/io/swagger/model/Category.java

@@ -5,7 +5,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
+import javax.validation.Valid;
 import javax.validation.constraints.*;
+
 /**
  * A category for a pet
  */
@@ -28,6 +30,8 @@ public class Category   {
    * @return id
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public Long getId() {
     return id;
   }
@@ -46,6 +50,8 @@ public class Category   {
    * @return name
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public String getName() {
     return name;
   }

samples/client/petstore/spring-cloud/src/main/java/io/swagger/model/ModelApiResponse.java

@@ -5,7 +5,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
+import javax.validation.Valid;
 import javax.validation.constraints.*;
+
 /**
  * Describes the result of uploading an image resource
  */
@@ -31,6 +33,8 @@ public class ModelApiResponse   {
    * @return code
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public Integer getCode() {
     return code;
   }
@@ -49,6 +53,8 @@ public class ModelApiResponse   {
    * @return type
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public String getType() {
     return type;
   }
@@ -67,6 +73,8 @@ public class ModelApiResponse   {
    * @return message
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public String getMessage() {
     return message;
   }

samples/client/petstore/spring-cloud/src/main/java/io/swagger/model/Order.java

@@ -7,7 +7,9 @@ import com.fasterxml.jackson.annotation.JsonValue;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import org.joda.time.DateTime;
+import javax.validation.Valid;
 import javax.validation.constraints.*;
+
 /**
  * An order for a pets from the pet store
  */
@@ -75,6 +77,8 @@ public class Order   {
    * @return id
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public Long getId() {
     return id;
   }
@@ -93,6 +97,8 @@ public class Order   {
    * @return petId
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public Long getPetId() {
     return petId;
   }
@@ -111,6 +117,8 @@ public class Order   {
    * @return quantity
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public Integer getQuantity() {
     return quantity;
   }
@@ -129,6 +137,8 @@ public class Order   {
    * @return shipDate
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public DateTime getShipDate() {
     return shipDate;
   }
@@ -147,6 +157,8 @@ public class Order   {
    * @return status
   **/
   @ApiModelProperty(value = "Order Status")
+
+  @Valid
   public StatusEnum getStatus() {
     return status;
   }
@@ -165,6 +177,8 @@ public class Order   {
    * @return complete
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public Boolean getComplete() {
     return complete;
   }

samples/client/petstore/spring-cloud/src/main/java/io/swagger/model/Pet.java

@@ -10,7 +10,9 @@ import io.swagger.model.Category;
 import io.swagger.model.Tag;
 import java.util.ArrayList;
 import java.util.List;
+import javax.validation.Valid;
 import javax.validation.constraints.*;
+
 /**
  * A pet for sale in the pet store
  */
@@ -78,6 +80,8 @@ public class Pet   {
    * @return id
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public Long getId() {
     return id;
   }
@@ -96,6 +100,8 @@ public class Pet   {
    * @return category
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public Category getCategory() {
     return category;
   }
@@ -115,6 +121,8 @@ public class Pet   {
   **/
   @ApiModelProperty(example = "doggie", required = true, value = "")
   @NotNull
+
+  @Valid
   public String getName() {
     return name;
   }
@@ -139,6 +147,8 @@ public class Pet   {
   **/
   @ApiModelProperty(required = true, value = "")
   @NotNull
+
+  @Valid
   public List<String> getPhotoUrls() {
     return photoUrls;
   }
@@ -165,6 +175,8 @@ public class Pet   {
    * @return tags
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public List<Tag> getTags() {
     return tags;
   }
@@ -183,6 +195,8 @@ public class Pet   {
    * @return status
   **/
   @ApiModelProperty(value = "pet status in the store")
+
+  @Valid
   public StatusEnum getStatus() {
     return status;
   }

samples/client/petstore/spring-cloud/src/main/java/io/swagger/model/Tag.java

@@ -5,7 +5,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
+import javax.validation.Valid;
 import javax.validation.constraints.*;
+
 /**
  * A tag for a pet
  */
@@ -28,6 +30,8 @@ public class Tag   {
    * @return id
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public Long getId() {
     return id;
   }
@@ -46,6 +50,8 @@ public class Tag   {
    * @return name
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public String getName() {
     return name;
   }

samples/client/petstore/spring-cloud/src/main/java/io/swagger/model/User.java

@@ -5,7 +5,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
+import javax.validation.Valid;
 import javax.validation.constraints.*;
+
 /**
  * A User who is purchasing from the pet store
  */
@@ -46,6 +48,8 @@ public class User   {
    * @return id
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public Long getId() {
     return id;
   }
@@ -64,6 +68,8 @@ public class User   {
    * @return username
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public String getUsername() {
     return username;
   }
@@ -82,6 +88,8 @@ public class User   {
    * @return firstName
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public String getFirstName() {
     return firstName;
   }
@@ -100,6 +108,8 @@ public class User   {
    * @return lastName
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public String getLastName() {
     return lastName;
   }
@@ -118,6 +128,8 @@ public class User   {
    * @return email
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public String getEmail() {
     return email;
   }
@@ -136,6 +148,8 @@ public class User   {
    * @return password
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public String getPassword() {
     return password;
   }
@@ -154,6 +168,8 @@ public class User   {
    * @return phone
   **/
   @ApiModelProperty(value = "")
+
+  @Valid
   public String getPhone() {
     return phone;
   }
@@ -172,6 +188,8 @@ public class User   {
    * @return userStatus
   **/
   @ApiModelProperty(value = "User Status")
+
+  @Valid
   public Integer getUserStatus() {
     return userStatus;
   }