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com.sicheng.common.utils.CookieUtils Maven / Gradle / Ivy
/**
* 本作品使用 木兰公共许可证,第2版（Mulan PubL v2） 开源协议，请遵守相关条款，或者联系sicheng.net获取商用授权。
* Copyright (c) 2016 SiCheng.Net
* This software is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
package com.sicheng.common.utils;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.Date;
/**
* Cookie工具类
*
* @author zhaolei
* @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(HttpServletRequest request, HttpServletResponse response, String name, String value) {
setCookie(request, 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）
* @param uri 路径
*/
public static void setCookie(HttpServletRequest request, HttpServletResponse response, String name, String value, String path) {
setCookie(request, response, name, value, path, 60 * 60 * 24);
}
/**
* 设置 Cookie
*
* @param name 名称
* @param value 值
* @param maxAge 生存时间（单位秒）-1代表关闭浏览器就失效
* @param uri 路径
*/
public static void setCookie(HttpServletRequest request, HttpServletResponse response, String name, String value, int maxAge) {
setCookie(request, response, name, value, "/", maxAge);
}
/**
* 设置 Cookie
*
* @param name 名称
* @param value 值
* @param maxAge 生存时间（单位秒）
* @param uri 路径
*/
public static void setCookie(HttpServletRequest request, HttpServletResponse response, String name, String value, String path, int maxAge) {
Cookie cookie = new Cookie(name, null);
cookie.setPath(path);
cookie.setMaxAge(maxAge);
cookie.setValue(value);
response.addCookie(cookie);
}
public static void setCookieHttpOnly(HttpServletRequest request, HttpServletResponse response, String name, String value, String path, int maxAge) {
Date date = new Date();
long ms = date.getTime() + (maxAge * 1000);
date = new Date(ms);
response.addHeader("Set-Cookie", name + "=" + (value == null ? "" : value) + ";Path=" + path + "; HttpOnly;Expires=" + date.toString());
}
/**
* 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;
}
}
