J2EE常用工具类—Cookie操作

package cn.org.jshuwei.j2ee.util;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;

/**
* 
* Cookie操作的工具类
* 
* @author huwei(jshuwei.org.cn)
* @since 1.0
* 
*/
public class CookieUtil {

    /**
     * 
     * 查找cookie
     * 
     * @since 1.0
     * @param name
     *            cookie名称
     * @param cookies
     *            客户端cookie
     * @return Cookie
     * 
     */
    public static Cookie FindCookie(String name, Cookie[] cookies) {
        if (cookies != null) {
            for (Cookie cookie : cookies) {
                if (cookie.getName().equals(name)) {
                    return cookie;
                }
            }
        }
        return null;
    }

    /**
     * 
     * 删除cookie
     * 
     * @since 1.0
     * @param cookie
     *            需要删除的某个cookie
     * @param response
     *            响应对象
     * 
     */
    public static void DeleteCookie(Cookie cookie, HttpServletResponse response) {
        if (cookie != null) {
            cookie.setMaxAge(0);
            response.addCookie(cookie);
        }
    }

    /**
     * 
     * 保存cookie
     * 
     * @since 1.0
     * @param cookie
     *            需要保存的cookie
     * @param response
     *            响应对象
     * 
     */
    public static void SaveCookie(Cookie cookie, HttpServletResponse response) {
        response.addCookie(cookie);
    }
}