Exception Handler, Controller Advice Of Spring

1. ExceptionHandler & ControllerAdvice
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이현동

2. ExceptionHandler
A_Controller.class
public String method(…) {
throw new Aexception();
}
Throws
@ExceptionHandler(value = Aexception.class)
….

3. ExceptionHandler
Throws

4. ControllerAdvice
A_Controller.class
B_Controller.class
C_Controller.class
D_Controller.class
@ControllerAdvice
@ExceptionHandler(value = Aexception.class)
….
@ExceptionHandler(value = Bexception.class)
….
@ExceptionHandler(value = Cexception.class)
….
@ExceptionHandler(value = Dexception.class)
….
Throws

5. ControllerAdvice
Throws

6. ExceptionHandler + ControllerAdvice
A_Controller.class
public String method(…) {
throw new Aexception();
}
@ExceptionHandler(value = Aexception.class)
….
@ControllerAdvice
@ExceptionHandler(value = Aexception.class)
….
@ExceptionHandler(value = Bexception.class)
….
@ExceptionHandler(value = Cexception.class)
….
@ExceptionHandler(value = Dexception.class)
….
동일한 Exception에 대하여 ExceptionHandler를 두 곳에 선언해 놓으면 ?

7. ExceptionHandler + ControllerAdvice
A_Controller.class
public String method(…) {
throw new Aexception();
}
@ExceptionHandler(value = Aexception.class)
….
@ControllerAdvice
@ExceptionHandler(value = Aexception.class)
….
@ExceptionHandler(value = Bexception.class)
….
@ExceptionHandler(value = Cexception.class)
….
@ExceptionHandler(value = Dexception.class)
….
Class에 선언된 ExceptionHandler가 우선시된다

8. ExceptionHandlerExceptionResolver.java
. . . .
Class에 선언된 ExceptionHandler가 우선시된다

9. 감사합니다.