クライアントサイトでクッキーにアクセスする方法

package com.mkyong;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class ServletDemoCookie extends HttpServlet{

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

        response.setContentType("text/html");
        PrintWriter pw = response.getWriter();

        Cookie[]cookie = request.getCookies();
        pw.println("All Cookies in your browsers");

        for(Cookie obj : cookie){

            if(obj.getName().equals("url")){
                pw.println(obj.getName() + " : " + obj.getValue());
                break;
            }
        }
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp__ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app__2__4.xsd">

    <display-name>servletdemo</display-name>

    <servlet>
        <servlet-name>PrintCookieServlet</servlet-name>
        <servlet-class>com.mkyong.ServletDemoCookie</servlet-class>
    </servlet>

    <servlet-mapping>
        <servlet-name>PrintCookieServlet</servlet-name>
        <url-pattern>/printCookie</url-pattern>
    </servlet-mapping>

</web-app>