RESTful example

BookContoller.java

@RestController
@RequestMapping("books")
public class BookController {

    @Autowired
    private BookService bookService;

    @GetMapping("/{id}")
    public BookDto getById(@PathVariable(name = "id") Integer id) {
        return bookService.getById(id);
    }

    @PostMapping
    @ResponseStatus(HttpStatus.CREATED)
    public void save(@RequestBody BookDto bookDto) {
        bookService.create(bookDto);
    }
  
    @PutMapping("/{id}/stock")    
    public BookDto updateStock(@PathVariable(name = "id") Integer id, @RequestBody Stock stock){
        return bookService.updateStock(id, stock);
    }

    @DeleteMapping("/{id}")    
    @ResponseStatus(HttpStatus.NO_CONTENT)
    public BookDto delete(@PathVariable(name = "id") Integer id) {
        return bookService.delete(id);
    }
}