package com.yj.filter;


import com.yj.bean.User;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;

/**
 * @author yj
 * @create 2020-08-28 15:16
 */
public class ManagerFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest httpServletRequest = (HttpServletRequest) servletRequest;
        User user = (User) httpServletRequest.getSession().getAttribute("user");
        if(user==null) {
            httpServletRequest.getRequestDispatcher("/pages/user/login.jsp").forward(servletRequest,servletResponse);
        } else if(!"yangjie".equals(user.getUsername())){
            httpServletRequest.getRequestDispatcher("/pages/error/errorManager.jsp").forward(servletRequest,servletResponse);
        }else{
            filterChain.doFilter(servletRequest,servletResponse);
        }
    }

    @Override
    public void destroy() {

    }
}
