Java Cookie 操作工具类

JSON 2016-08-22 16:47:42 10906

这个工具类是我们公司一个同事封装的 Java 对 Cookie 操作的工具类，我用着觉得挺好使的。所以就发出来共享。具体使用看每个方法的注释。

下面上代码：

package com.sojson.common.utils;

/**
 * 
 * 开发公司：九樱天下<br/>
 * 版权：九樱天下<br/>
 * <p>
 * 
 * <p>
 * 
 * 区分　责任人　日期　　　　说明<br/>
 * 创建　蒋飞　2014年6月19日 　<br/>
 * <p>
 * *******
 * <p>
 * @author jiang-fei
 * 
 * @version 1.0,2014年6月19日 <br/>
 * 
 */

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

public class CookieUtil {

	/**
	 * 设置cookie
	 * 
	 * @param response
	 * @param name
	 *            cookie名字
	 * @param value
	 *            cookie值
	 * @param maxAge
	 *            cookie生命周期 以秒为单位
	 */
	public static void addCookie(HttpServletResponse response, String name,
			String value, int maxAge) {
		try {
			Cookie cookie = new Cookie(name, value);
			if (maxAge > 0)
				cookie.setMaxAge(maxAge);
			cookie.setPath("/");
			response.addCookie(cookie);
		} catch (Exception ex) {
			LoggerUtils.error(CookieUtil.class, "创建Cookies发生异常！", ex);
		}
	}

	/**
	 * 清空Cookie操作 clearCookie
	 * 
	 * @param request
	 * @param response
	 * @return boolean
	 * @author JIANG FEI Jun 19, 2014 10:12:17 AM
	 */
	public static boolean clearCookie(HttpServletRequest request,
			HttpServletResponse response, String name) {
		boolean bool = false;
		Cookie[] cookies = request.getCookies();
		if(null == cookies || cookies.length == 0) return bool;
		try {
			for (int i = 0; i < cookies.length; i++) {
				Cookie cookie = new Cookie(name, null);
				cookie.setMaxAge(0);
				cookie.setPath("/");// 根据你创建cookie的路径进行填写
				response.addCookie(cookie);
				bool = true;
			}
		} catch (Exception ex) {
			LoggerUtils.error(CookieUtil.class, "清空Cookies发生异常！", ex);
		}
		return bool;
	}

	/**
	 * 清空Cookie操作 clearCookie
	 * 
	 * @param request
	 * @param response
	 * @return boolean
	 * @author JIANG FEI Jun 19, 2014 10:12:17 AM
	 */
	public static boolean clearCookie(HttpServletRequest request,
			HttpServletResponse response, String name, String domain) {
		boolean bool = false;
		Cookie[] cookies = request.getCookies();
		if(null == cookies || cookies.length == 0) return bool;
		try {
			for (int i = 0; i < cookies.length; i++) {
				Cookie cookie = new Cookie(name, null);
				cookie.setMaxAge(0);
				cookie.setPath("/");// 根据你创建cookie的路径进行填写
				cookie.setDomain(domain);
				response.addCookie(cookie);
				bool = true;
			}
		} catch (Exception ex) {
			LoggerUtils.error(CookieUtil.class, "清空Cookies发生异常！", ex);
		}
		return bool;
	}

	/**
	 * 获取指定cookies的值 findCookieByName
	 * 
	 * @param request
	 * @param name
	 * @return String
	 * @author JIANG FEI Jun 19, 2014 10:22:51 AM
	 */
	public static String findCookieByName(HttpServletRequest request,
			String name) {
		Cookie[] cookies = request.getCookies();
		if(null == cookies || cookies.length == 0) return null;
		String string = null;
		try {
			for (int i = 0; i < cookies.length; i++) {
				Cookie cookie = cookies[i];
				String cname = cookie.getName();
				if (!StringUtils.isBlank(cname) && cname.equals(name)) {
					string = cookie.getValue();
				}

			}
		} catch (Exception ex) {
			LoggerUtils.error(CookieUtil.class, "获取Cookies发生异常！", ex);
		}
		return string;
	}

}