package Filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;


@WebFilter(urlPatterns = "*.do")
public class LoginRequiredFilter implements Filter {

    // private static final Logger logger =
    // LogManager.getLogger(LoginRequiredFilter.class);
    // private static final Logger logger =
    // LogManager.getLogger("Filter.LoginRequiredFilter");
   // private static final Logger logger = LogManager.getLogger();

    public void destroy() {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain chain)
            throws IOException, ServletException {

        HttpServletRequest request = (HttpServletRequest) servletRequest;
        request.setCharacterEncoding("UTF-8");
        servletResponse.setContentType("text/plain");
        servletResponse.setCharacterEncoding("UTF-8");
        String path = request.getRequestURI();
        if (path.matches("^/admin.*$")) {
            if (path.equals("/adminsignup.do")) {

                chain.doFilter(servletRequest, servletResponse);
            } else {
                if (request.getSession().getAttribute("admin") != null) {

                    chain.doFilter(servletRequest, servletResponse);

                } else {
                    request.getRequestDispatcher("/adminlogin.do").forward(servletRequest, servletResponse);
                }
            }
        }
        else if (path.equals("/signup.do")) {

            chain.doFilter(servletRequest, servletResponse);
        } else {
            if (request.getSession().getAttribute("name") != null) {
                chain.doFilter(servletRequest, servletResponse);

            } else {
                request.getRequestDispatcher("/login.do").forward(servletRequest, servletResponse);
            }
        }

    }

    @Override
    public void init(FilterConfig arg0) throws ServletException {

    }

}



















package Filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebFilter(urlPatterns = "/views/*")
public class AuthFilter implements Filter {

    @Override
    public void destroy() {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain chain)
            throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;
        request.setCharacterEncoding("UTF-8");
        servletResponse.setContentType("text/plain");
        servletResponse.setCharacterEncoding("UTF-8");
        String path = request.getRequestURI();
        if (path.matches("^\\/views\\/back-end\\/.*")) {
            if (request.getSession().getAttribute("admin") != null) {

                chain.doFilter(servletRequest, servletResponse);

            } else {
                response.sendRedirect("/adminlogin.do");
            }

        } else {
            if (request.getSession().getAttribute("name") != null) {

                chain.doFilter(servletRequest, servletResponse);

            } else {
                response.sendRedirect("/login.do");
            }
        }

    }

    @Override
    public void init(FilterConfig arg0) throws ServletException {

    }

}