Cookie工具类

package com.solu.b2b.common.utils;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
 * Cookie工具类
 * @version 2013 -01 -15
 */
public class CookieUtils {
     /**
      * 设置 Cookie（生成时间为1天）
      * @param name 名称
      * @param value 值
      */
     public static void setCookie(HttpServletResponse response, String name, String value) {
           setCookie(response, name, value, 60*60*24);
     }
     /**
      * 设置 Cookie
      * @param name 名称
      * @param value 值
      * @param maxAge 生存时间（单位秒）
      */
     public static void setCookie(HttpServletResponse response, String name, String value, int maxAge) {
          Cookie cookie = new Cookie(name, null);
        if(StringUtils. isNotBlank(SpringContextHolder.getApplicationContext().getApplicationName())){
            cookie.setPath(SpringContextHolder.getApplicationContext().getApplicationName());
        }else{
            cookie.setPath( "/");
        }
          cookie.setMaxAge(maxAge);
           try {
              cookie.setValue(URLEncoder. encode(value, "utf-8"));
          } catch (UnsupportedEncodingException e) {
              e.printStackTrace();
          }
          response.addCookie(cookie);
     }
     /**
      * 获得指定Cookie的值
      * @param name 名称
      * @return 值
      */
     public static String getCookie(HttpServletRequest request, String name) {
           return getCookie(request, null, name, false);
     }
     /**
      * 获得指定Cookie的值，并删除。
      * @param name 名称
      * @return 值
      */
     public static String getCookie(HttpServletRequest request, HttpServletResponse response, String name) {
           return getCookie(request, response, name, true);
     }
     /**
      * 获得指定Cookie的值
      * @param request 请求对象
      * @param response 响应对象
      * @param name 名字
      * @param isRemove 是否移除
      * @return 值
      */
     public static String getCookie(HttpServletRequest request, HttpServletResponse response, String name, boolean isRemove) {
          String value = null;
          Cookie[] cookies = request.getCookies();
           if (cookies != null) {
               for (Cookie cookie : cookies) {
                    if (cookie.getName().equals(name)) {
                         try {
                             value = URLDecoder.decode(cookie.getValue(), "utf-8");
                        } catch (UnsupportedEncodingException e) {
                             e.printStackTrace();
                        }
                         if (isRemove) {
                             cookie.setMaxAge(0);
                             response.addCookie(cookie);
                        }
                   }
              }
          }
           return value;
     }
}