Spring - Cookie Filter 예제

package org.ph.web;

import java.io.IOException;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

/**

 * Servlet implementation class BoardServlet

 */

public class BoardServlet extends HttpServlet {

private static final long serialVersionUID = 1L;

       

    /**

     * @see HttpServlet#HttpServlet()

     */

    public BoardServlet() {

        super();

        // TODO Auto-generated constructor stub

    }

/**

* @see HttpServlet#service(HttpServletRequest request, HttpServletResponse response)

*/

//    @CheckLogin("login")

protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

// TODO Auto-generated method stub

System.out.println("service run..................");

}

}

package org.ph.web;

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.http.Cookie;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

/**

 * Servlet Filter implementation class CookieFilter

 */

public class CookieFilter implements Filter {

    /**

     * Default constructor. 

     */

    public CookieFilter() {

        // TODO Auto-generated constructor stub

    }

/**

* @see Filter#destroy()

*/

public void destroy() {

// TODO Auto-generated method stub

}

/**

* @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)

*/

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {

// TODO Auto-generated method stub

// place your code here

HttpServletRequest req = (HttpServletRequest)request;

HttpServletResponse res = (HttpServletResponse)response;

Cookie[] cookies = req.getCookies();

if(cookies==null||cookies.length==0){

System.out.println("no cookie.....");

res.sendRedirect("noCookie.jsp");

return;

}

for (Cookie cookie : cookies) {

if(cookie.getName().equals("login")){

System.out.println("logined user");

chain.doFilter(request, response);

return;

}

}

res.sendRedirect("noCookie.jsp");

// pass the request along the filter chain

// chain.doFilter(request, response);

}

/**

* @see Filter#init(FilterConfig)

*/

public void init(FilterConfig fConfig) throws ServletException {

// TODO Auto-generated method stub

}

}

package org.ph.web;

import java.io.IOException;

import javax.servlet.ServletException;

import javax.servlet.http.Cookie;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;

/**

 * Servlet implementation class LoginServlet

 */

public class LoginServlet extends HttpServlet {

private static final long serialVersionUID = 1L;

       

    /**

     * @see HttpServlet#HttpServlet()

     */

    public LoginServlet() {

        super();

        // TODO Auto-generated constructor stub

    }

/**

* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)

*/

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

// TODO Auto-generated method stub

// Cookie[] cookies = request.getCookies();

// if(cookies==null||cookies.length==0){

// System.out.println("Login Servlet...........no cookie");

//

// HttpSession session = request.getSession();

// session.setAttribute("login", "peno");

// return;

// }

// for (Cookie cookie : cookies) {

// System.out.println("Login Servlet..."+cookie.getName()+":"+cookie.getValue());

// System.out.println("-------------------------------------");

// }

doPost(request, response);

}

/**

* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)

*/

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

System.out.println("Loginservlet Post....");

Cookie ck=new Cookie("login", "PENO LOGIN CK");

ck.setMaxAge(60*5);

response.addCookie(ck);

}

}