[kotlin] fix Date types usages (#8594)

* [kotlin] fix Date types usages

samples/server/petstore/kotlin-springboot-modelMutable/.openapi-generator/VERSION

@@ -1 +1 @@
-5.0.0-SNAPSHOT
+5.0.1-SNAPSHOT

samples/server/petstore/kotlin-springboot-modelMutable/src/main/kotlin/org/openapitools/api/PetApi.kt

@@ -13,14 +13,7 @@ import org.springframework.http.HttpStatus
 import org.springframework.http.MediaType
 import org.springframework.http.ResponseEntity
 
-import org.springframework.web.bind.annotation.RequestBody
-import org.springframework.web.bind.annotation.RequestPart
-import org.springframework.web.bind.annotation.RequestParam
-import org.springframework.web.bind.annotation.PathVariable
-import org.springframework.web.bind.annotation.RequestHeader
-import org.springframework.web.bind.annotation.RequestMethod
-import org.springframework.web.bind.annotation.RequestMapping
-import org.springframework.web.bind.annotation.RestController
+import org.springframework.web.bind.annotation.*
 import org.springframework.validation.annotation.Validated
 import org.springframework.web.context.request.NativeWebRequest
 import org.springframework.beans.factory.annotation.Autowired
@@ -39,7 +32,7 @@ import kotlin.collections.Map
 
 @RestController
 @Validated
-@Api(value = "Pet", description = "The Pet API")
+@Api(value = "pet", description = "The pet API")
 @RequestMapping("\${api.base-path:/v2}")
 class PetApiController(@Autowired(required = true) val service: PetApiService) {
 
@@ -50,10 +43,10 @@ class PetApiController(@Autowired(required = true) val service: PetApiService) {
         authorizations = [Authorization(value = "petstore_auth", scopes = [AuthorizationScope(scope = "write:pets", description = "modify pets in your account"), AuthorizationScope(scope = "read:pets", description = "read your pets")])])
     @ApiResponses(
         value = [ApiResponse(code = 405, message = "Invalid input")])
-    @RequestMapping(
+    @PostMapping(
         value = ["/pet"],
-        consumes = ["application/json", "application/xml"],
-        method = [RequestMethod.POST])
+        consumes = ["application/json", "application/xml"]
+    )
     fun addPet(@ApiParam(value = "Pet object that needs to be added to the store" ,required=true ) @Valid @RequestBody body: Pet
 ): ResponseEntity<Unit> {
         return ResponseEntity(service.addPet(body), HttpStatus.valueOf(405))
@@ -66,9 +59,9 @@ class PetApiController(@Autowired(required = true) val service: PetApiService) {
         authorizations = [Authorization(value = "petstore_auth", scopes = [AuthorizationScope(scope = "write:pets", description = "modify pets in your account"), AuthorizationScope(scope = "read:pets", description = "read your pets")])])
     @ApiResponses(
         value = [ApiResponse(code = 400, message = "Invalid pet value")])
-    @RequestMapping(
-        value = ["/pet/{petId}"],
-        method = [RequestMethod.DELETE])
+    @DeleteMapping(
+        value = ["/pet/{petId}"]
+    )
     fun deletePet(@ApiParam(value = "Pet id to delete", required=true) @PathVariable("petId") petId: kotlin.Long
 ,@ApiParam(value = "" ) @RequestHeader(value="api_key", required=false) apiKey: kotlin.String?
 ): ResponseEntity<Unit> {
@@ -84,10 +77,10 @@ class PetApiController(@Autowired(required = true) val service: PetApiService) {
         authorizations = [Authorization(value = "petstore_auth", scopes = [AuthorizationScope(scope = "write:pets", description = "modify pets in your account"), AuthorizationScope(scope = "read:pets", description = "read your pets")])])
     @ApiResponses(
         value = [ApiResponse(code = 200, message = "successful operation", response = Pet::class, responseContainer = "List"),ApiResponse(code = 400, message = "Invalid status value")])
-    @RequestMapping(
+    @GetMapping(
         value = ["/pet/findByStatus"],
-        produces = ["application/xml", "application/json"], 
-        method = [RequestMethod.GET])
+        produces = ["application/xml", "application/json"]
+    )
     fun findPetsByStatus(@NotNull @ApiParam(value = "Status values that need to be considered for filter", required = true, allowableValues = "available, pending, sold") @Valid @RequestParam(value = "status", required = true) status: kotlin.collections.List<kotlin.String>
 ): ResponseEntity<List<Pet>> {
         return ResponseEntity(service.findPetsByStatus(status), HttpStatus.valueOf(200))
@@ -102,10 +95,10 @@ class PetApiController(@Autowired(required = true) val service: PetApiService) {
         authorizations = [Authorization(value = "petstore_auth", scopes = [AuthorizationScope(scope = "write:pets", description = "modify pets in your account"), AuthorizationScope(scope = "read:pets", description = "read your pets")])])
     @ApiResponses(
         value = [ApiResponse(code = 200, message = "successful operation", response = Pet::class, responseContainer = "List"),ApiResponse(code = 400, message = "Invalid tag value")])
-    @RequestMapping(
+    @GetMapping(
         value = ["/pet/findByTags"],
-        produces = ["application/xml", "application/json"], 
-        method = [RequestMethod.GET])
+        produces = ["application/xml", "application/json"]
+    )
     fun findPetsByTags(@NotNull @ApiParam(value = "Tags to filter by", required = true) @Valid @RequestParam(value = "tags", required = true) tags: kotlin.collections.List<kotlin.String>
 ): ResponseEntity<List<Pet>> {
         return ResponseEntity(service.findPetsByTags(tags), HttpStatus.valueOf(200))
@@ -119,10 +112,10 @@ class PetApiController(@Autowired(required = true) val service: PetApiService) {
         authorizations = [Authorization(value = "api_key")])
     @ApiResponses(
         value = [ApiResponse(code = 200, message = "successful operation", response = Pet::class),ApiResponse(code = 400, message = "Invalid ID supplied"),ApiResponse(code = 404, message = "Pet not found")])
-    @RequestMapping(
+    @GetMapping(
         value = ["/pet/{petId}"],
-        produces = ["application/xml", "application/json"], 
-        method = [RequestMethod.GET])
+        produces = ["application/xml", "application/json"]
+    )
     fun getPetById(@ApiParam(value = "ID of pet to return", required=true) @PathVariable("petId") petId: kotlin.Long
 ): ResponseEntity<Pet> {
         return ResponseEntity(service.getPetById(petId), HttpStatus.valueOf(200))
@@ -135,10 +128,10 @@ class PetApiController(@Autowired(required = true) val service: PetApiService) {
         authorizations = [Authorization(value = "petstore_auth", scopes = [AuthorizationScope(scope = "write:pets", description = "modify pets in your account"), AuthorizationScope(scope = "read:pets", description = "read your pets")])])
     @ApiResponses(
         value = [ApiResponse(code = 400, message = "Invalid ID supplied"),ApiResponse(code = 404, message = "Pet not found"),ApiResponse(code = 405, message = "Validation exception")])
-    @RequestMapping(
+    @PutMapping(
         value = ["/pet"],
-        consumes = ["application/json", "application/xml"],
-        method = [RequestMethod.PUT])
+        consumes = ["application/json", "application/xml"]
+    )
     fun updatePet(@ApiParam(value = "Pet object that needs to be added to the store" ,required=true ) @Valid @RequestBody body: Pet
 ): ResponseEntity<Unit> {
         return ResponseEntity(service.updatePet(body), HttpStatus.valueOf(400))
@@ -151,10 +144,10 @@ class PetApiController(@Autowired(required = true) val service: PetApiService) {
         authorizations = [Authorization(value = "petstore_auth", scopes = [AuthorizationScope(scope = "write:pets", description = "modify pets in your account"), AuthorizationScope(scope = "read:pets", description = "read your pets")])])
     @ApiResponses(
         value = [ApiResponse(code = 405, message = "Invalid input")])
-    @RequestMapping(
+    @PostMapping(
         value = ["/pet/{petId}"],
-        consumes = ["application/x-www-form-urlencoded"],
-        method = [RequestMethod.POST])
+        consumes = ["application/x-www-form-urlencoded"]
+    )
     fun updatePetWithForm(@ApiParam(value = "ID of pet that needs to be updated", required=true) @PathVariable("petId") petId: kotlin.Long
 ,@ApiParam(value = "Updated name of the pet") @RequestParam(value="name", required=false) name: kotlin.String? 
 ,@ApiParam(value = "Updated status of the pet") @RequestParam(value="status", required=false) status: kotlin.String? 
@@ -170,11 +163,11 @@ class PetApiController(@Autowired(required = true) val service: PetApiService) {
         authorizations = [Authorization(value = "petstore_auth", scopes = [AuthorizationScope(scope = "write:pets", description = "modify pets in your account"), AuthorizationScope(scope = "read:pets", description = "read your pets")])])
     @ApiResponses(
         value = [ApiResponse(code = 200, message = "successful operation", response = ModelApiResponse::class)])
-    @RequestMapping(
+    @PostMapping(
         value = ["/pet/{petId}/uploadImage"],
-        produces = ["application/json"], 
-        consumes = ["multipart/form-data"],
-        method = [RequestMethod.POST])
+        produces = ["application/json"],
+        consumes = ["multipart/form-data"]
+    )
     fun uploadFile(@ApiParam(value = "ID of pet to update", required=true) @PathVariable("petId") petId: kotlin.Long
 ,@ApiParam(value = "Additional data to pass to server") @RequestParam(value="additionalMetadata", required=false) additionalMetadata: kotlin.String? 
 ,@ApiParam(value = "file detail") @Valid @RequestPart("file") file: org.springframework.core.io.Resource?

samples/server/petstore/kotlin-springboot-modelMutable/src/main/kotlin/org/openapitools/api/StoreApi.kt

@@ -12,14 +12,7 @@ import org.springframework.http.HttpStatus
 import org.springframework.http.MediaType
 import org.springframework.http.ResponseEntity
 
-import org.springframework.web.bind.annotation.RequestBody
-import org.springframework.web.bind.annotation.RequestPart
-import org.springframework.web.bind.annotation.RequestParam
-import org.springframework.web.bind.annotation.PathVariable
-import org.springframework.web.bind.annotation.RequestHeader
-import org.springframework.web.bind.annotation.RequestMethod
-import org.springframework.web.bind.annotation.RequestMapping
-import org.springframework.web.bind.annotation.RestController
+import org.springframework.web.bind.annotation.*
 import org.springframework.validation.annotation.Validated
 import org.springframework.web.context.request.NativeWebRequest
 import org.springframework.beans.factory.annotation.Autowired
@@ -38,7 +31,7 @@ import kotlin.collections.Map
 
 @RestController
 @Validated
-@Api(value = "Store", description = "The Store API")
+@Api(value = "store", description = "The store API")
 @RequestMapping("\${api.base-path:/v2}")
 class StoreApiController(@Autowired(required = true) val service: StoreApiService) {
 
@@ -48,9 +41,9 @@ class StoreApiController(@Autowired(required = true) val service: StoreApiServic
         notes = "For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors")
     @ApiResponses(
         value = [ApiResponse(code = 400, message = "Invalid ID supplied"),ApiResponse(code = 404, message = "Order not found")])
-    @RequestMapping(
-        value = ["/store/order/{orderId}"],
-        method = [RequestMethod.DELETE])
+    @DeleteMapping(
+        value = ["/store/order/{orderId}"]
+    )
     fun deleteOrder(@ApiParam(value = "ID of the order that needs to be deleted", required=true) @PathVariable("orderId") orderId: kotlin.String
 ): ResponseEntity<Unit> {
         return ResponseEntity(service.deleteOrder(orderId), HttpStatus.valueOf(400))
@@ -65,10 +58,10 @@ class StoreApiController(@Autowired(required = true) val service: StoreApiServic
         authorizations = [Authorization(value = "api_key")])
     @ApiResponses(
         value = [ApiResponse(code = 200, message = "successful operation", response = kotlin.collections.Map::class, responseContainer = "Map")])
-    @RequestMapping(
+    @GetMapping(
         value = ["/store/inventory"],
-        produces = ["application/json"], 
-        method = [RequestMethod.GET])
+        produces = ["application/json"]
+    )
     fun getInventory(): ResponseEntity<Map<String, kotlin.Int>> {
         return ResponseEntity(service.getInventory(), HttpStatus.valueOf(200))
     }
@@ -80,10 +73,10 @@ class StoreApiController(@Autowired(required = true) val service: StoreApiServic
         response = Order::class)
     @ApiResponses(
         value = [ApiResponse(code = 200, message = "successful operation", response = Order::class),ApiResponse(code = 400, message = "Invalid ID supplied"),ApiResponse(code = 404, message = "Order not found")])
-    @RequestMapping(
+    @GetMapping(
         value = ["/store/order/{orderId}"],
-        produces = ["application/xml", "application/json"], 
-        method = [RequestMethod.GET])
+        produces = ["application/xml", "application/json"]
+    )
     fun getOrderById(@Min(1L) @Max(5L) @ApiParam(value = "ID of pet that needs to be fetched", required=true) @PathVariable("orderId") orderId: kotlin.Long
 ): ResponseEntity<Order> {
         return ResponseEntity(service.getOrderById(orderId), HttpStatus.valueOf(200))
@@ -96,10 +89,10 @@ class StoreApiController(@Autowired(required = true) val service: StoreApiServic
         response = Order::class)
     @ApiResponses(
         value = [ApiResponse(code = 200, message = "successful operation", response = Order::class),ApiResponse(code = 400, message = "Invalid Order")])
-    @RequestMapping(
+    @PostMapping(
         value = ["/store/order"],
-        produces = ["application/xml", "application/json"], 
-        method = [RequestMethod.POST])
+        produces = ["application/xml", "application/json"]
+    )
     fun placeOrder(@ApiParam(value = "order placed for purchasing the pet" ,required=true ) @Valid @RequestBody body: Order
 ): ResponseEntity<Order> {
         return ResponseEntity(service.placeOrder(body), HttpStatus.valueOf(200))

samples/server/petstore/kotlin-springboot-modelMutable/src/main/kotlin/org/openapitools/api/UserApi.kt

@@ -12,14 +12,7 @@ import org.springframework.http.HttpStatus
 import org.springframework.http.MediaType
 import org.springframework.http.ResponseEntity
 
-import org.springframework.web.bind.annotation.RequestBody
-import org.springframework.web.bind.annotation.RequestPart
-import org.springframework.web.bind.annotation.RequestParam
-import org.springframework.web.bind.annotation.PathVariable
-import org.springframework.web.bind.annotation.RequestHeader
-import org.springframework.web.bind.annotation.RequestMethod
-import org.springframework.web.bind.annotation.RequestMapping
-import org.springframework.web.bind.annotation.RestController
+import org.springframework.web.bind.annotation.*
 import org.springframework.validation.annotation.Validated
 import org.springframework.web.context.request.NativeWebRequest
 import org.springframework.beans.factory.annotation.Autowired
@@ -38,7 +31,7 @@ import kotlin.collections.Map
 
 @RestController
 @Validated
-@Api(value = "User", description = "The User API")
+@Api(value = "user", description = "The user API")
 @RequestMapping("\${api.base-path:/v2}")
 class UserApiController(@Autowired(required = true) val service: UserApiService) {
 
@@ -48,9 +41,9 @@ class UserApiController(@Autowired(required = true) val service: UserApiService)
         notes = "This can only be done by the logged in user.")
     @ApiResponses(
         value = [ApiResponse(code = 200, message = "successful operation")])
-    @RequestMapping(
-        value = ["/user"],
-        method = [RequestMethod.POST])
+    @PostMapping(
+        value = ["/user"]
+    )
     fun createUser(@ApiParam(value = "Created user object" ,required=true ) @Valid @RequestBody body: User
 ): ResponseEntity<Unit> {
         return ResponseEntity(service.createUser(body), HttpStatus.valueOf(200))
@@ -62,9 +55,9 @@ class UserApiController(@Autowired(required = true) val service: UserApiService)
         notes = "")
     @ApiResponses(
         value = [ApiResponse(code = 200, message = "successful operation")])
-    @RequestMapping(
-        value = ["/user/createWithArray"],
-        method = [RequestMethod.POST])
+    @PostMapping(
+        value = ["/user/createWithArray"]
+    )
     fun createUsersWithArrayInput(@ApiParam(value = "List of user object" ,required=true ) @Valid @RequestBody body: kotlin.collections.List<User>
 ): ResponseEntity<Unit> {
         return ResponseEntity(service.createUsersWithArrayInput(body), HttpStatus.valueOf(200))
@@ -76,9 +69,9 @@ class UserApiController(@Autowired(required = true) val service: UserApiService)
         notes = "")
     @ApiResponses(
         value = [ApiResponse(code = 200, message = "successful operation")])
-    @RequestMapping(
-        value = ["/user/createWithList"],
-        method = [RequestMethod.POST])
+    @PostMapping(
+        value = ["/user/createWithList"]
+    )
     fun createUsersWithListInput(@ApiParam(value = "List of user object" ,required=true ) @Valid @RequestBody body: kotlin.collections.List<User>
 ): ResponseEntity<Unit> {
         return ResponseEntity(service.createUsersWithListInput(body), HttpStatus.valueOf(200))
@@ -90,9 +83,9 @@ class UserApiController(@Autowired(required = true) val service: UserApiService)
         notes = "This can only be done by the logged in user.")
     @ApiResponses(
         value = [ApiResponse(code = 400, message = "Invalid username supplied"),ApiResponse(code = 404, message = "User not found")])
-    @RequestMapping(
-        value = ["/user/{username}"],
-        method = [RequestMethod.DELETE])
+    @DeleteMapping(
+        value = ["/user/{username}"]
+    )
     fun deleteUser(@ApiParam(value = "The name that needs to be deleted", required=true) @PathVariable("username") username: kotlin.String
 ): ResponseEntity<Unit> {
         return ResponseEntity(service.deleteUser(username), HttpStatus.valueOf(400))
@@ -105,10 +98,10 @@ class UserApiController(@Autowired(required = true) val service: UserApiService)
         response = User::class)
     @ApiResponses(
         value = [ApiResponse(code = 200, message = "successful operation", response = User::class),ApiResponse(code = 400, message = "Invalid username supplied"),ApiResponse(code = 404, message = "User not found")])
-    @RequestMapping(
+    @GetMapping(
         value = ["/user/{username}"],
-        produces = ["application/xml", "application/json"], 
-        method = [RequestMethod.GET])
+        produces = ["application/xml", "application/json"]
+    )
     fun getUserByName(@ApiParam(value = "The name that needs to be fetched. Use user1 for testing.", required=true) @PathVariable("username") username: kotlin.String
 ): ResponseEntity<User> {
         return ResponseEntity(service.getUserByName(username), HttpStatus.valueOf(200))
@@ -121,10 +114,10 @@ class UserApiController(@Autowired(required = true) val service: UserApiService)
         response = kotlin.String::class)
     @ApiResponses(
         value = [ApiResponse(code = 200, message = "successful operation", response = kotlin.String::class),ApiResponse(code = 400, message = "Invalid username/password supplied")])
-    @RequestMapping(
+    @GetMapping(
         value = ["/user/login"],
-        produces = ["application/xml", "application/json"], 
-        method = [RequestMethod.GET])
+        produces = ["application/xml", "application/json"]
+    )
     fun loginUser(@NotNull @ApiParam(value = "The user name for login", required = true) @Valid @RequestParam(value = "username", required = true) username: kotlin.String
 ,@NotNull @ApiParam(value = "The password for login in clear text", required = true) @Valid @RequestParam(value = "password", required = true) password: kotlin.String
 ): ResponseEntity<kotlin.String> {
@@ -137,9 +130,9 @@ class UserApiController(@Autowired(required = true) val service: UserApiService)
         notes = "")
     @ApiResponses(
         value = [ApiResponse(code = 200, message = "successful operation")])
-    @RequestMapping(
-        value = ["/user/logout"],
-        method = [RequestMethod.GET])
+    @GetMapping(
+        value = ["/user/logout"]
+    )
     fun logoutUser(): ResponseEntity<Unit> {
         return ResponseEntity(service.logoutUser(), HttpStatus.valueOf(200))
     }
@@ -150,9 +143,9 @@ class UserApiController(@Autowired(required = true) val service: UserApiService)
         notes = "This can only be done by the logged in user.")
     @ApiResponses(
         value = [ApiResponse(code = 400, message = "Invalid user supplied"),ApiResponse(code = 404, message = "User not found")])
-    @RequestMapping(
-        value = ["/user/{username}"],
-        method = [RequestMethod.PUT])
+    @PutMapping(
+        value = ["/user/{username}"]
+    )
     fun updateUser(@ApiParam(value = "name that need to be deleted", required=true) @PathVariable("username") username: kotlin.String
 ,@ApiParam(value = "Updated user object" ,required=true ) @Valid @RequestBody body: User
 ): ResponseEntity<Unit> {

samples/server/petstore/kotlin-springboot-modelMutable/src/main/kotlin/org/openapitools/model/Category.kt

@@ -9,6 +9,7 @@ import javax.validation.constraints.Min
 import javax.validation.constraints.NotNull
 import javax.validation.constraints.Pattern
 import javax.validation.constraints.Size
+import javax.validation.Valid
 import io.swagger.annotations.ApiModelProperty
 
 /**

samples/server/petstore/kotlin-springboot-modelMutable/src/main/kotlin/org/openapitools/model/ModelApiResponse.kt

@@ -9,6 +9,7 @@ import javax.validation.constraints.Min
 import javax.validation.constraints.NotNull
 import javax.validation.constraints.Pattern
 import javax.validation.constraints.Size
+import javax.validation.Valid
 import io.swagger.annotations.ApiModelProperty
 
 /**

samples/server/petstore/kotlin-springboot-modelMutable/src/main/kotlin/org/openapitools/model/Order.kt

@@ -10,6 +10,7 @@ import javax.validation.constraints.Min
 import javax.validation.constraints.NotNull
 import javax.validation.constraints.Pattern
 import javax.validation.constraints.Size
+import javax.validation.Valid
 import io.swagger.annotations.ApiModelProperty
 
 /**
@@ -39,7 +40,7 @@ data class Order(
     @field:JsonProperty("status") var status: Order.Status? = null,
 
     @ApiModelProperty(example = "null", value = "")
-    @field:JsonProperty("complete") var complete: kotlin.Boolean? = null
+    @field:JsonProperty("complete") var complete: kotlin.Boolean? = false
 ) {
 
     /**

samples/server/petstore/kotlin-springboot-modelMutable/src/main/kotlin/org/openapitools/model/Pet.kt

@@ -12,6 +12,7 @@ import javax.validation.constraints.Min
 import javax.validation.constraints.NotNull
 import javax.validation.constraints.Pattern
 import javax.validation.constraints.Size
+import javax.validation.Valid
 import io.swagger.annotations.ApiModelProperty
 
 /**
@@ -25,20 +26,20 @@ import io.swagger.annotations.ApiModelProperty
  */
 data class Pet(
 
-    @get:NotNull 
     @ApiModelProperty(example = "doggie", required = true, value = "")
-    @field:JsonProperty("name") var name: kotlin.String,
+    @field:JsonProperty("name", required = true) var name: kotlin.String,
 
-    @get:NotNull 
     @ApiModelProperty(example = "null", required = true, value = "")
-    @field:JsonProperty("photoUrls") var photoUrls: kotlin.collections.List<kotlin.String>,
+    @field:JsonProperty("photoUrls", required = true) var photoUrls: kotlin.collections.List<kotlin.String>,
 
     @ApiModelProperty(example = "null", value = "")
     @field:JsonProperty("id") var id: kotlin.Long? = null,
 
+    @field:Valid
     @ApiModelProperty(example = "null", value = "")
     @field:JsonProperty("category") var category: Category? = null,
 
+    @field:Valid
     @ApiModelProperty(example = "null", value = "")
     @field:JsonProperty("tags") var tags: kotlin.collections.List<Tag>? = null,
 

samples/server/petstore/kotlin-springboot-modelMutable/src/main/kotlin/org/openapitools/model/Tag.kt

@@ -9,6 +9,7 @@ import javax.validation.constraints.Min
 import javax.validation.constraints.NotNull
 import javax.validation.constraints.Pattern
 import javax.validation.constraints.Size
+import javax.validation.Valid
 import io.swagger.annotations.ApiModelProperty
 
 /**

samples/server/petstore/kotlin-springboot-modelMutable/src/main/kotlin/org/openapitools/model/User.kt

@@ -9,6 +9,7 @@ import javax.validation.constraints.Min
 import javax.validation.constraints.NotNull
 import javax.validation.constraints.Pattern
 import javax.validation.constraints.Size
+import javax.validation.Valid
 import io.swagger.annotations.ApiModelProperty
 
 /**