[Spring] Aop, Logback 활용

Aop

@Component
@Aspect
public class MyAspect {
    
    private final Logger logger = LoggerFactory.getLogger("tLogger");
    
    @Before("execution(* com.example.demo.service.MyService.*(..))")
    public void before(JoinPoint jp) throws Exception {
        
        MethodSignature methodSignature = (MethodSignature) jp.getSignature();
        Method method = methodSignature.getMethod();
        logger.info("Call Before : " + method.getName());
    }
    
    @After("execution(* com.example.demo.service.MyService.*(..))")
    public void after(JoinPoint jp) throws Exception {
        
        MethodSignature methodSignature = (MethodSignature) jp.getSignature();
        Method method = methodSignature.getMethod();
        logger.info("Call After : " + method.getName());
    }
    
    @AfterThrowing(pointcut = "execution(* com.example.demo.service.MyService.*(..))", throwing = "e")
    public void afterThrowing(JoinPoint jp, Exception e) throws Exception {
        
        MethodSignature methodSignature = (MethodSignature) jp.getSignature();
        Method method = methodSignature.getMethod();
        logger.info("Call AfterThrowing : " + method.getName() + " / " + e);
    }
    
    @Around("execution(* com.example.demo.service.MyService.*(..))")
    public Object around(ProceedingJoinPoint pjp) throws Throwable {
        
        long start = System.currentTimeMillis();
        
        logger.info("Call Around Target : " + pjp.getTarget());
        logger.info("Call Around Parameter : " + Arrays.toString(pjp.getArgs()));
        
        Object object = null;
        
        try {
            
            object = pjp.proceed();
            
        } catch (Exception e) {
            logger.error("Call Around Exception : " + e);
        }
        
        long end = System.currentTimeMillis();
        logger.info("Call Around Time : " + (end - start));
        
        return object;
    }
}

 

@Service
public class MyService {
    
    public int sum(int a, int b) throws Exception {
        return a + b;
    }
    
    public void parseInteger(String str) throws Exception {
        Integer.parseInt(str);
    }
}

 

    @PostMapping("/aspect")
    public void aspect(@RequestBody String body) throws Exception {
        
        TestVO vo = new ObjectMapper().readValue(body, TestVO.class);
        myService.sum(vo.getValue().getNum1().intValue(), vo.getValue().getNum2().intValue());
        myService.parseInteger("String");
        logger.info("MyController Finish.");
    }

 

INFO  22-04-28 14:44:06[http-nio-8080-exec-2] [tLogger:53] - Call Around Target : com.example.demo.service.MyService@1091d063
INFO  22-04-28 14:44:06[http-nio-8080-exec-2] [tLogger:54] - Call Around Parameter : [10, 7]
INFO  22-04-28 14:44:06[http-nio-8080-exec-2] [tLogger:29] - Call Before : sum
INFO  22-04-28 14:44:06[http-nio-8080-exec-2] [tLogger:37] - Call After : sum
INFO  22-04-28 14:44:06[http-nio-8080-exec-2] [tLogger:67] - Call Around Time : 11
 
INFO  22-04-28 14:44:06[http-nio-8080-exec-2] [tLogger:53] - Call Around Target : com.example.demo.service.MyService@1091d063
INFO  22-04-28 14:44:06[http-nio-8080-exec-2] [tLogger:54] - Call Around Parameter : [String]
INFO  22-04-28 14:44:06[http-nio-8080-exec-2] [tLogger:29] - Call Before : parseInteger
INFO  22-04-28 14:44:06[http-nio-8080-exec-2] [tLogger:45] - Call AfterThrowing : parseInteger / java.lang.NumberFormatException: For input string: "String"
INFO  22-04-28 14:44:06[http-nio-8080-exec-2] [tLogger:37] - Call After : parseInteger
ERROR 22-04-28 14:44:06[http-nio-8080-exec-2] [tLogger:63] - Call Around Exception : java.lang.NumberFormatException: For input string: "String"
INFO  22-04-28 14:44:06[http-nio-8080-exec-2] [tLogger:67] - Call Around Time : 0
INFO  22-04-28 14:44:06[http-nio-8080-exec-2] [tLogger:31] - MyController Finish.
 

 

Logback

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    
    <property name="LOG_PATTERN" value="%-5level %d{yy-MM-dd HH:mm:ss}[%thread] [%logger{0}:%line] - %msg%n"/>
    
    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
        <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
            <pattern>${LOG_PATTERN}</pattern>
        </encoder>
    </appender>
 
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender"> 
        <!-- 파일경로 설정 -->
        <file>C:/Users/user/Documents/로그/test.log</file> 
        <!-- 출력패턴 설정 -->
        <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
            <pattern>${LOG_PATTERN}</pattern>
        </encoder> 
        <!-- Rolling 정책 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"> 
            <!-- .gz,.zip 등을 넣으면 자동 일자별 로그파일 압축 -->
                <fileNamePattern>C:/Users/user/Documents/로그/test.%d{yyyy-MM-dd}.log</fileNamePattern>
<!--             <fileNamePattern>C:/Users/user/Documents/로그/test.%d{yyyy-MM-dd}_%i.log</fileNamePattern> -->
<!--             <timeBasedFileNamingAndTriggeringPolicy -->
<!--                 class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">  -->
<!--                 파일당 최고 용량 kb, mb, gb -->
<!--                 <maxFileSize>10MB</maxFileSize> -->
<!--             </timeBasedFileNamingAndTriggeringPolicy>  -->
            <!-- 일자별 로그파일 최대 보관주기(~일), 해당 설정일 이상된 파일은 자동으로 제거 -->
            <maxHistory>30</maxHistory>
        </rollingPolicy>
    </appender>
    
    <root level="info">
        <appender-ref ref="CONSOLE" />
    </root>
    
    <logger name="tLogger" level="info" additivity="false">
        <appender-ref ref="FILE" />
    </logger>
</configuration>