package com.moral.common.aop;

import java.util.HashMap;
import java.util.Map;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.springframework.stereotype.Component;

import com.moral.common.exception.BusinessException;

import lombok.extern.log4j.Log4j;

@Log4j
@Aspect
@Component
public class ControllerAOP {
	
	@Around("execution(* com.moral.controller.*Controller.*(..))")
	public Object handlerControllerMethod(ProceedingJoinPoint pjp) {
		long startTime = System.currentTimeMillis();
        Map<String, Object> result;
		try {
			result = (Map<String, Object>) pjp.proceed();
			log.info(pjp.getSignature() + "use time:" + (System.currentTimeMillis() - startTime));
		} catch (Throwable e) {
			result = handlerException(pjp, e);
		}

		return result;
	}

	private Map<String, Object> handlerException(ProceedingJoinPoint pjp, Throwable e) {
		Map<String, Object> result = new HashMap<String, Object>();

		// 已知异常
		if (e instanceof BusinessException) {
			result.put("msg", e.getLocalizedMessage());
		} else {
			log.error(pjp.getSignature() + " error ", e);
			result.put("msg", e.toString());
			//TODO 未知的异常，应该格外注意，可以发送邮件通知等
		}

		return result;
	}
}