bbsstatbiz.java

一个不错的bbs论坛系统．对初学者很有帮助

package com.yhbbs.bbs.biz;

import java.sql.SQLException;
import org.apache.log4j.Logger;

import com.yhbbs.article.biz.ArticleBiz;
import com.yhbbs.bbs.dao.BbsStatDaoIm;
import com.yhbbs.bbs.itface.BbsStat;
import com.yhbbs.bbs.itface.dao.BbsStatDao;
import com.yhbbs.forum.biz.ForumBiz;
import com.yhbbs.utils.Constants;
import com.yhbbs.utils.DateUtils;
/**
 * <p>Title:系统状态相关操作</p>
 * <li> 系统状态的所有相关操作<br>
 * <br><b>WebSite: www.yyhweb.com</b>
 * <br><b>CopyRight: yyhweb[由由华网]</b>
 * @author stephen
 * @version YHBBS-2.0
 */
public class BbsStatBiz {
	
	private static Logger bbslog = Logger.getLogger(BbsStatBiz.class);
	
	private static BbsStatDao bbsdao = BbsStatDaoIm.getInstance();
	
	/**
	 *  判断论坛状态时间是否等于今天时间
	 */
	public static void theSameDay(){
		String curDate = DateUtils.getCurFormatDate(Constants.dateFS);
		String bbstime = getBbsTime();
		String fbbstime = DateUtils.getStr2Str(Constants.dateFS,bbstime);
		if(curDate.equals(fbbstime)){
			return ;
		}else{
			upYesday();
			upToday(false);
			ForumBiz.upAllFYesdayC();
		}
	}
	
	/** 返回论坛状态的当前时间
	 * @return String 论坛时间
	 */
	public static String getBbsTime(){
		
	    try {
	       return bbsdao.getBbsTime();
	    }
	    catch(SQLException e) {
	         bbslog.error("Throws a SqlException when invoke getBbsTime():\n" + e.toString());
	    }
	    return "";
	}
	/** 取得系统状态
	 * @return BbsStat 系统状态
	 */
	public static BbsStat getBbsStat(){
		
		try {
			return bbsdao.getBbsStat();
		}
		catch(SQLException e) {
			bbslog.error("Throws a SqlException when invoke getBbsStat():\n" + e.toString());
		}
		return null;
	}

	/** 注册一个用户，同时更新最新用户，系统用户总数加一。
	 * @param userId 新用户Id 
	 * @param userName 新用户名
	 */
	public static void upRegUser(int userId,String userName){
		
		try {
            bbsdao.upNewRegUser(userId, userName);
        }
        catch(SQLException e) {
            bbslog.error("Throws a SqlException when invoke upUserCount():\n" + e.toString());
        }
        return;
	}
	
	/** 发表帖子,判断是主题贴还是回复，系统相关总数加一
	 * @param flag true:主题贴 false:回复贴
	 */
	public static void upArtCount(boolean flag){
		upToday(true);
		upPostCount(flag);
	}
	
	/** 发表一个主题帖子，系统主题数加一
	 * @param flag true:主题帖 false:回复贴
	 */
	public static void upPostCount(boolean flag) {
		
		try {
			if(flag)
				bbsdao.upPostCount();
			else
				bbsdao.upRepCount();
        }
        catch(SQLException e) {
            bbslog.error("Throws a SqlException when invoke upPostCount():\n" + e.toString());
        }
        return;
	}
	
	/** 删除帖子，系统统计数减一
	 * @param flag true:主题贴 false:回复贴
	 */
	public static void deleteArticle(boolean flag){
		
		try {
			bbsdao.delArticle(flag);
		}catch(SQLException e) {
			bbslog.error("Throws a SqlException when invoke deleteArticle(boolean flag):\n" + e.toString());
		}
		return;
	}
	
	/** 更新今天发帖总数,同时检查今天发帖是否最多
	 * @param flag 如果发帖是同一天则加一,否则更新之
	 */
	public static void upToday(boolean flag) {
		int today = 0;
		if(!flag)
			today = ArticleBiz.getTodayCount();
		try {
            bbsdao.upToday(flag,today);
            upMaxPost();
        }
        catch(SQLException e) {
            bbslog.error("Throws a SqlException when invoke upToday(flag):\n" + e.toString());
        }
        return;
	}
	
	/** 更新昨天发帖总数
	 */
	public static void upYesday() {
		int yesday = ArticleBiz.getYesdayCount();
		try {
            bbsdao.upYesday(yesday);
        }
        catch(SQLException e) {
            bbslog.error("Throws a SqlException when invoke upYesday():\n" + e.toString());
        }
        return;
	}
	
	/** 更新最大发帖总数
	 */
	public static void upMaxPost() {
		
		try {
			int today = bbsdao.getToday();
			int max = bbsdao.getMaxPost();
			if(today>max){
				bbsdao.upMaxPost(today);
				bbslog.info("Today is the day which post article most! ");
			}
        }catch(SQLException e) {
            bbslog.error("Throws a SqlException when invoke upMaxPost(num):\n" + e.toString());
        }
        return;
	}
	
	/** 更新最大在线用户总数
	 * @param num 在线用户总数
	 */
	public static void upMaxOnline(int num) {
		
		try {
			int max = bbsdao.getMaxOnline();
			if(num>max){
				bbsdao.upMaxOnline(num);
				bbslog.info("Today is the day which most user online at the same time! ");
			}
        }catch(SQLException e) {
            bbslog.error("Throws a SqlException when invoke upMaxOnline(num):\n" + e.toString());
        }
        return;
	}
}