登录拦截验证token

package com.futuredata.web.portrait.aspect;

import com.futuredata.web.portrait.login.utils.MemoryCache;
import com.futuredata.web.portrait.pojo.Response;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;


@Component
@Aspect
public class loginAspect {

    @Pointcut("within(com.futuredata.web.portrait.controller.*) && !within(com.futuredata.web.portrait.login.api.*) && !execution(public * com.futuredata.web.portrait.controller.CompareAnalysisViewApi.exportAbilityCompareData(..)) && !execution(public * com.futuredata.web.portrait.controller.PoliticsApi.importData(..))")
    public void login(){
    }

    @Around("login()")
    public Object auth(ProceedingJoinPoint joinPoint) throws Throwable {
        // 获取session中的用户信息
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
        String token = request.getHeader("token");
        if (token != null && MemoryCache.get(token) != null){
            return joinPoint.proceed();
        }else {
            return new Response(-1, "token不存在或已过期");
        }
    }

}

package com.futuredata.web.portrait.login.utils;


import avro.shaded.com.google.common.collect.Maps;
import com.futuredata.web.portrait.login.pojo.CacheObject;

import java.util.Map;



public class MemoryCache {
    public static Map cacheObjectMap = Maps.newConcurrentMap();
    private static final long cachedTime = 20 * 24 * 60 * 60000;

    public static Object get(String key) {
        if (cacheObjectMap.containsKey(key)) {
            CacheObject cacheObject = cacheObjectMap.get(key);
            if (cacheObject != null) {
                if (System.currentTimeMillis() - cacheObject.getCreateTime() < cachedTime) {
                    cacheObject.setCreateTime(System.currentTimeMillis());
                    return cacheObject.getData();
                } else {
                    cacheObjectMap.remove(key);
                }
            }
        }

        return null;
    }

    public static void put(String key, Object value) {
        CacheObject cacheObject = new CacheObject(value);
        cacheObjectMap.put(key, cacheObject);
    }

    public static void remove(String key) {
        cacheObjectMap.remove(key);
    }
}