Kotlin Spring Skill

Idiomatic Spring Boot development with Kotlin.

Topics Covered

REST Controllers

@RestController
@RequestMapping("/api/v1/users")
class UserController(private val userService: UserService) {

    @GetMapping
    suspend fun findAll(): List<UserDTO> = userService.findAll()

    @GetMapping("/{id}")
    suspend fun findById(@PathVariable id: Long): UserDTO =
        userService.findById(id) ?: throw ResponseStatusException(NOT_FOUND)