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ExceptionHandler

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Struchkov Mark 2022-06-17 20:59:31 +03:00
parent 3269c0b399
commit 6328e4a393
1 changed files with 42 additions and 1 deletions
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43
src/main/java/dev/struchkov/example/controlleradvice/controller/PersonController.java
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@ -1,15 +1,21 @@
package dev.struchkov.example.controlleradvice.controller; package dev.struchkov.example.controlleradvice.controller;
import dev.struchkov.example.controlleradvice.domain.ErrorMessage;
import dev.struchkov.example.controlleradvice.domain.Person; import dev.struchkov.example.controlleradvice.domain.Person;
import dev.struchkov.example.controlleradvice.exception.NotFoundException;
import dev.struchkov.example.controlleradvice.service.PersonService; import dev.struchkov.example.controlleradvice.service.PersonService;
import lombok.RequiredArgsConstructor; import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j; import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity; import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController; import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException;
import java.util.UUID; import java.util.UUID;
@ -28,7 +34,42 @@ public class PersonController {
@GetMapping("{id}") @GetMapping("{id}")
public ResponseEntity<Person> getById(@PathVariable("id") UUID id) { public ResponseEntity<Person> getById(@PathVariable("id") UUID id) {
return ResponseEntity.ok(personService.getByIdOrThrown(id)); return ResponseEntity.ok(personService.getById(id).orElseThrow());
}
// Ниже методы предназначенные для обработки исключений.
@ExceptionHandler(NotFoundException.class)
public ResponseEntity<ErrorMessage> handleException(NotFoundException exception) {
log.error(exception.getMessage(), exception);
return ResponseEntity
.status(HttpStatus.NOT_FOUND)
.body(new ErrorMessage(exception.getMessage()));
}
// Вариант handleException без использованияResponseEntity.
// @ResponseStatus(HttpStatus.NOT_FOUND)
// @ExceptionHandler(NotFoundException.class)
// public ErrorMessage handleException(NotFoundException exception) {
// return new ErrorMessage(exception.getMessage());
// }
/**
* Не будет вызываться для getByLogin, пока не будет закомментирован обработчик @ExceptionHandler(NotFoundException.class).
* Но будет вызываться для getById
*/
@ExceptionHandler(RuntimeException.class)
public ResponseEntity<ErrorMessage> handleException(RuntimeException exception) {
return ResponseEntity
.status(HttpStatus.NOT_FOUND)
.body(new ErrorMessage(exception.getMessage()));
}
// Обработка ошибки преобразования
@ResponseStatus(HttpStatus.NOT_FOUND)
@ExceptionHandler(MethodArgumentTypeMismatchException.class)
public ErrorMessage handleException(MethodArgumentTypeMismatchException exception) {
return new ErrorMessage(exception.getMessage());
} }
} }