<dependencies>
...
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-aop</artifactId>
</dependency>
...
</dependencies>
package com.example.aspect;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
@Aspect
@Component
public class LoggingAspect {
private final Logger logger = LoggerFactory.getLogger(LoggingAspect.class);
@Pointcut("execution(* com.example.service.*.*(..))")
public void serviceMethods() {}
@Before("serviceMethods()")
public void logBefore(JoinPoint joinPoint) {
logger.info("Method execution started: {}", joinPoint.getSignature());
}
@After("serviceMethods()")
public void logAfter(JoinPoint joinPoint) {
logger.info("Method execution completed: {}", joinPoint.getSignature());
}
}
package com.example;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
@SpringBootApplication
@EnableAspectJAutoProxy
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
package com.example.service;
import org.springframework.stereotype.Service;
@Service
public class UserService {
public void saveUser(String username) {
}
}
package com.example;
import com.example.service.UserService;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
public class ApplicationTest {
@Autowired
private UserService userService;
@Test
public void testSaveUser() {
userService.saveUser("John Doe");
}
}
