Cookie管理

package com.yimei.util;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
 * Cookie管理
 * @author coder_hero
 *
 */
public class CookieManager {
 private HttpServletRequest request = null;
 private HttpServletResponse response = null;
 //private String securityCode = "yimei1234abcd09"; //加密code
 public CookieManager(HttpServletRequest request, HttpServletResponse response) {
  this.request = request;
  this.response = response;
 }
 /**
  * 获取cookie
  * @param name
  * @return
  */
 public String getCookie(String name) {
  if (name == null) return null;
  Cookie[] cookies = request.getCookies();
  if (cookies != null) {
   for (int i = 0; i < cookies.length; i++) {
    if (cookies[i].getName().equals(name)){
     String value = new String( cookies[i].getValue());
     //return DESede.DeCrypt(value,securityCode);
     return value;
    }
   }
  }
  return null;
 }
 /**
  * 设置cookie
  * @param name
  * @param value
  * @param maxAge
  */
 public void setCookie(String name, String value, int maxAge) {
  //value = DESede.EnCrypt(value,securityCode);
  Cookie cookie = new Cookie(name, value);
  cookie.setMaxAge(maxAge);
  cookie.setPath("/");
  response.addCookie(cookie);
 }
 
 /**
  * 设置cookie
  * @param name
  * @param value
  */
 public void setCookie(String name, String value) {
  //value = DESede.EnCrypt(value,securityCode);
  Cookie cookie = new Cookie(name, value);
  cookie.setMaxAge(3600);
  cookie.setPath("/");
  response.addCookie(cookie);
 }
 /**
  * 删除cookie
  * @param name
  */
 public void delCookie(String name) {
  Cookie cookie = new Cookie(name, null);
  cookie.setMaxAge(0);
  cookie.setPath("/");
  response.addCookie(cookie);
 }
}