PermissionInterceptor.java

package com.hao.util.permission;

import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 权限拦截器
 * Created by user on 2016/4/19.
 */
public class PermissionInterceptor extends HandlerInterceptorAdapter{

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        if (!(handler instanceof HandlerMethod)) {
            return true;
        }
        HandlerMethod handlerMethod = (HandlerMethod) handler;
        Class<?> beanType = handlerMethod.getBeanType();
        AnnotationUtils.findAnnotation(beanType,RequirePermission.class);
        return true;
    }
}