よく使うAOP

ApplicationAdvice.java

import io.grpc.Status;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.stereotype.Component;

import javax.validation.ConstraintViolationException;
import java.util.Arrays;

@Aspect
@Component
@Slf4j
public class ApplicationAdvice {

    @Before("@annotation(org.springframework.cloud.stream.annotation.StreamListener)")
    public void beforeStreamListener(JoinPoint joinPoint) {
        log.info("{}#{}: {}",
                joinPoint.getTarget().getClass(),
                joinPoint.getSignature().getName(),
                Arrays.toString(joinPoint.getArgs()));
    }

    @AfterThrowing(value="execution(* com.example.ui.grpc..*.*(..))", throwing="ex")
    public void handle(RuntimeException ex) {
        String message = ex.getMessage();
        throw Status.INTERNAL
                .withDescription(message == null ? ex.toString() : message)
                .asRuntimeException();
    }

    @AfterThrowing(value="execution(* com.example.ui.rest..*.*(..))", throwing="ex")
    public void handle(ConstraintViolationException ex) {
        throw new BadRequestException(ex.getMessage());
    }
}