gcookie.java

BBS论坛设计JSP＋MYSQL

package com.bcxy.bbs.util;

/**
 * Title:
 * Description:
 * Copyright:
 * Company: www.liyunet.com
 * 
 * @author lishujiang	
 * @version 1.0
 */

import java.net.URLDecoder;
import java.net.URLEncoder;

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

import org.apache.log4j.Logger;

import com.bcxy.conf.ENV;

public class GCookie
{
	private static Logger log = Logger.getLogger(GCookie.class);
	
	public static String getCookieValue(HttpServletRequest request,String cookieName,String defaultValue)
	{		
		Cookie cookieList[] = request.getCookies();
		if(cookieList==null || cookieName==null){
			return defaultValue;
		}
		for(int i= 0;i<cookieList.length;i++)
		{
			try{
				if(cookieList[i].getName().equals(cookieName)){
					return URLDecoder.decode(cookieList[i].getValue(), ENV.CHARSET);
				}
			}
			catch(Exception e){
				log.error("读取Cookie出错", e);
			}
		}
		return defaultValue;
	}
	
	public static void setCookie(HttpServletResponse response,String cookieName,String cookieValue)
	{
		try{
			Cookie theCookie = new Cookie(URLEncoder.encode(cookieName, ENV.CHARSET),URLEncoder.encode(cookieValue, ENV.CHARSET));
			response.addCookie(theCookie);
		}catch(Exception e){
			log.error("写入Cookie出错", e);
		}
	}
	
	public static void setCookie(HttpServletResponse response,String cookieName,String cookieValue,int cookieMaxage)
	{
		try{
			Cookie theCookie=new Cookie(URLEncoder.encode(cookieName, ENV.CHARSET),URLEncoder.encode(cookieValue, ENV.CHARSET));
			theCookie.setMaxAge(cookieMaxage);
			response.addCookie(theCookie);
		}catch(Exception e){
			log.error("读取Cookie出错", e);
		}
	}
}