Java CookieUtils
/**
* <html>
* <body>
* <P> Copyright 1994 JsonInternational</p>
* <p> All rights reserved.</p>
* <p> Created on 19941115</p>
* <p> Created by Jason</p>
* </body>
* </html>
*/
package cn.ucaner.alpaca.framework.utils.cookie;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* @Package：cn.ucaner.framework.utils
* @ClassName：CookieUtils
* @Description： <p> cookie工具类 </p>
* @Author： - Jason
* @CreatTime：2017年8月30日 下午2:15:01
* @Modify By：
* @ModifyTime：
* @Modify marker：
* @version V1.0
*/
public class CookieUtils {
/**
* 设置cookie.
* @param response 响应
* @param name cookie名字
* @param value cookie值
* @param timeOut 有效时间
* @param cookieDomain
* @param path 设置cookie路径
*/
public static void setCookie(HttpServletResponse response, String name, String value, int timeOut, String cookieDomain, String path) {
Cookie cookie = new Cookie(name, value);
cookie.setMaxAge(timeOut);
if (cookieDomain != null) {
cookie.setDomain(cookieDomain);
}
if (path != null) {
cookie.setPath(path);
}
response.addCookie(cookie);
}
/**
* 获取cookie信息
* @param request 请求对象
* @param name cookie名称
* @return String cookie 值
*/
public static String getCookieVal(HttpServletRequest request, String name) {
Cookie cookie = getCookieObj(request, name);
String val = cookie == null ? null : cookie.getValue();
return val;
}
/**
* 返回cookie对象
* @param request
* @param name
* @return
*/
public static Cookie getCookieObj(HttpServletRequest request, String name) {
Cookie[] cookies = request.getCookies();
if (cookies == null) {
return null;
}
for (int idx = 0; idx < cookies.length; idx++) {
if ( ( cookies[idx].getName() ).equals(name)) {
return cookies[idx];
}
}
return null;
}
/**
* 删除cookie
* @param request
* @param name
*/
public static void delCookie(HttpServletRequest request, HttpServletResponse response, String name) {
Cookie cookie = getCookieObj(request, name);
if (cookie != null) {
cookie.setMaxAge(0);
cookie.setPath("/");
response.addCookie(cookie);
}
}
}