Getting Cookies with Javax Servlet

get_cookies_javax.java

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import java.net.URLDecoder;

public String recuperaCookie(HttpServletRequest request){
    String cookie = null;
    Cookie[] cookieArray = request.getCookies();
    for(Cookie c : cookieArray){
        if(c.getName().equals("name_cookie")){
            JSONObject json = new JSONObject(URLDecoder.decode(c.getValue()));
            cookie = json.toString();
        }
    }
    return cookie;
}