package com.yeshi.fanli.aspect;

import java.io.PrintWriter;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Before;

//@Component
//@Aspect
public class TestAspect {
	public static final String EDP = "execution(* com.yeshi.shop.controller.**.*(..))";

	@Before(EDP)
	public void testBefore(JoinPoint joinpoint) {
		System.out.println("testBefore");
		System.out.println(joinpoint.getArgs().length);
	}

	@After(EDP)
	public void testAfter(JoinPoint joinpoint) {
		System.out.println("testAfter");
		Object[] objs = joinpoint.getArgs();
	}

	@AfterReturning(pointcut = EDP, returning = "rvt")
	public void testAfterReturning(JoinPoint joinpoint, Object rvt) {
		System.out.println("testAfterReturning");
	}

	@AfterThrowing(throwing = "e", pointcut = EDP)
	public void testAfterThrowing(JoinPoint joinpoint, Exception e) {
		System.out.println("testAfterThrowing");
	}

	@Around(EDP)
	public Object testAround(ProceedingJoinPoint joinPoint) {
		
		Object[] args = joinPoint.getArgs();
		PrintWriter print = (PrintWriter) args[1];
		print.print("AOP测试。");
		Object obj = null;
		try {
			// obj = joinPoint.proceed(args);
		} catch (Throwable e) {
			e.printStackTrace();
		}
		return obj;
	}

}