@Custom annotation implements access log

1. Custom annotations

/**
 * System log comments
 *
 * @author chenshun
 * @email [email protected]
 *@date March 8, 2017 at 10:19:56 AM
 */
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface SysLog {

    String value() default "";
}

 

Second, cut surface processing

/**
 * System log, aspect processing class
 */
@Aspect
@Component
public class SysLogAspect {
    @Autowired
    private SysLogService sysLogService;
    
    @Pointcut("@annotation(io.renren.common.annotation.SysLog)")
    public void logPointCut() { 
        
    }

    @Around( "logPointCut()" )
     public Object around(ProceedingJoinPoint point) throws Throwable {
         long beginTime = System.currentTimeMillis();
         // Execution method 
        Object result = point.proceed();
         // Execution duration (milliseconds) 
        long time = System.currentTimeMillis() - beginTime;

        // Save the log 
        saveSysLog(point, time);

        return result;
    }

    private void saveSysLog(ProceedingJoinPoint joinPoint, long time) {
        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        Method method = signature.getMethod();

        SysLogEntity sysLog = new SysLogEntity();
        SysLog syslog = method.getAnnotation(SysLog.class );
         if (syslog != null ){
             // Description on the annotation sysLog.setOperation( syslog.value             ());

        }

        // Request method name 
        String className = joinPoint.getTarget().getClass().getName();
        String methodName = signature.getName();
        sysLog.setMethod(className + "." + methodName + "()");

        // Requested parameters 
        Object[] args = joinPoint.getArgs();
         try {
            String params = new Gson().toJson(args[0]);
            sysLog.setParams(params);
        }catch (Exception e){

        }

        //获取request
        HttpServletRequest request = HttpContextUtils.getHttpServletRequest();
        //设置IP地址
        sysLog.setIp(IPUtils.getIpAddr(request));

        //用户名
        String username = ((SysUserEntity) SecurityUtils.getSubject().getPrincipal()).getUsername();
        sysLog.setUsername(username);

        sysLog.setTime(time);
        sysLog.setCreateDate( new Date());
         // Save system log 
        sysLogService.save(sysLog);
    }
}