composite-build-usage-example

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package by.andd3dfx.templateapp.error;
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import by.andd3dfx.templateapp.error.exception.NotFoundException;
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import by.andd3dfx.templateapp.error.exception.UnauthorizedException;
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import by.andd3dfx.templateapp.error.dto.ExceptionResponse;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.ControllerAdvice;
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import org.springframework.web.bind.annotation.ExceptionHandler;
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import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
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import java.time.LocalDateTime;
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/**
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 * Add more methods if needed.
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 */
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@ControllerAdvice
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public class GlobalExceptionHandler extends ResponseEntityExceptionHandler {
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    /**
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     * 401.
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     */
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    @ExceptionHandler(UnauthorizedException.class)
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    public ResponseEntity<ExceptionResponse> handleUnauthorizedException(UnauthorizedException ex) {
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        return buildResponseEntity(ex, HttpStatus.UNAUTHORIZED);
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    }
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    /**
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     * 404.
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     */
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    @ExceptionHandler(NotFoundException.class)
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    public ResponseEntity handleResourceNotFoundException(NotFoundException ex) {
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        return buildResponseEntity(ex, HttpStatus.NOT_FOUND);
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    }
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    /**
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     * 409.
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     */
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    @ExceptionHandler({IllegalArgumentException.class, IllegalStateException.class})
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    public ResponseEntity handleIllegalExceptions(RuntimeException ex) {
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        return buildResponseEntity(ex, HttpStatus.CONFLICT);
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    }
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    /**
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     * 500.
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     * Throw exception for any other unpredicted reason.
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     * Avoid modification of this method to make problem visible in logs.
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     * Don't delete this method to avoid descendants declare it and catch 'any error'.
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     */
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    @ExceptionHandler(Exception.class)
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    public final ResponseEntity handleOtherExceptions(Exception ex) throws Exception {
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        throw ex;
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    }
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    private ResponseEntity<ExceptionResponse> buildResponseEntity(Exception ex, HttpStatus httpStatus) {
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        return ResponseEntity
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                .status(httpStatus)
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                .body(new ExceptionResponse(ex.getMessage(), httpStatus.name(), LocalDateTime.now()));
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    }
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}
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