userutil.java

基于struct结构的jsp

package com.ntsky.bbs.service;

/**
 * <p>Title: Ntsky OpenSource BBS</p>
 * <p>Description: 用户操作</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: 天网文化发展有限公司</p>
 * @author 姚君林
 * @version 1.0
 */

import java.util.*;
import org.apache.log4j.Logger ;

import com.ntsky.bbs.service.User;
import com.ntsky.bbs.service.db.DBUser;
import com.ntsky.bbs.service.UserFactory;
import com.ntsky.bbs.service.db.DBManager;

public class UserUtil {
    private final static Logger logger = Logger.getLogger(UserUtil.class);
    private static HashMap users = new HashMap();
    private static UserUtil userUtil = null;
    private static List list = new ArrayList();
    private static Object obj = new Object();
    private static UserFactory userFactory = UserFactory.getInstance();

    public UserUtil(){
        //将最新的用户添加到数组
        list.add(0,userFactory.getNewestUser());
    }

    public static UserUtil getInstance() {
        if (userUtil == null) {
            //使用synchronzed保证一次只有一个实例能访问userUtil对象
            synchronized (obj) {
                if (userUtil == null) {
                    try {
                        userUtil = new UserUtil();
                     }
                    catch (Exception e) {
                        System.err.println(
                            "UserUtil Exception loading class: " +
                            e.getMessage());
                        e.printStackTrace();
                    }
                }
            }
        }
        return userUtil;
    }

    /**
     * 管理用户的检验
     */
    public static boolean isManagerUser(int boaId,User user){
        if( user == null ){
            return false;
        }
        String usrName = user.getUsrName();
        List list = BoardUtil.masterArray(boaId);
        Manager manager = new DBManager();
        if((list.contains(usrName))||(manager.AdminArray().contains(usrName))){
            logger.info("该操作者是管理员......");
            return true;
        }
        else
            return false;
    }

    /**
     * 用户注册获取的接口
     */
    public static User getUserInstance(User user){
        return userFactory.getCreateUser(user);
    }

    /**
     * 判断是否有该用户
     */
    public static boolean isUserExist(User user){
        return getUserInstance(user).getIsUserExist();
    }

    /**
     * 从静态数组中获取最新的用户
     */
    public User getNewestUser(){
        return (User)list.get(0);
    }

    /**
     * 重置(重新设置数组)
     */
   public static void reset(){
       try {
           list.remove(0);
       }
       catch (Exception ex) {
           logger.error("移除数组错误 : " + ex.getMessage());
       }

       list.add(0,userFactory.getNewestUser());
       logger.info("reset数组成功 ---- 数组中存放了最新的数据");
   }

   /**
    * 用户添加主题时更新的信息
    */
   public static void upUserInfo_AddTopic(String usrName){
       userFactory.upUserInfo_AddTopic(usrName);
   }
    /**
     * 更新用户信息
     * @return Collection
     */
    public static boolean getEditUser(User user){
        return userFactory.editUser(user);
    }

    /**
     * 用户详细信息 1 (根据用户ID判断)
     * @return Collection
     */
    public static User getUserInfo(int usrId){
        return userFactory.userInfo(usrId);
    }
    /**
     * 2(根据用户名判断)
     */
    public static User userInfo(String usrName){
        return userFactory.userInfo(usrName);
    }

    //角色查询时用到
    /**
     * 查询用户是否存在判断(返回整个用户)
     */
    public static User selectUser(String usrName){
        return userFactory.selectUser(usrName);
    }
    /**
     * 用户数组
     */
    public static List getArrayUser(User user){
        List list = new ArrayList();
        list.add(new CommonDTO(user.getUsrId(),user.getUsrName()));
        return list;
    }
    /**
     * 根据角色得到的数据
     * @return Collection
     */
    public static List selArrayUser(int usrRole){
        List list = new ArrayList();
        Iterator rs = userFactory.selArrayUser(usrRole).iterator();
        while(rs.hasNext()){
            User user = (DBUser)rs.next();
            list.add(new CommonDTO(user.getUsrId(),user.getUsrName()));
        }
        return list;
    }

    /**
     * 更新用户角色
     * @return Collection
     */
    public static void upUserRole(int i,String usrRole,int usrId){
        userFactory.upUserRole(i,usrRole,usrId);
    }

    /**
     * 用户头像
     */
    public static Collection getUserFace(){
        List list = new ArrayList();
        for(int i=1;i<84;i++){
            list.add(new CommonDTO("/images/headpho/"+i+".gif",i+".gif"));
        }
        return list;
    }
    /**
     * 职业
     */
    public static Collection listUsrOccupation(){
        List list = new ArrayList();
        list.add(new CommonDTO("金融业","金融业"));
        list.add(new CommonDTO("服务业","服务业"));
        list.add(new CommonDTO("信息产业","信息产业"));
        list.add(new CommonDTO("制造业","制造业"));
        list.add(new CommonDTO("传播业","传播业"));
        list.add(new CommonDTO("教育","教育"));
        list.add(new CommonDTO("政府机构","政府机构"));
        list.add(new CommonDTO("医疗保健","医疗保健"));
        list.add(new CommonDTO("房地产","房地产"));
        list.add(new CommonDTO("其它","其它"));
        return list;
    }

    /**
     * 最高学历
     */
    public static Collection listUsrEducation(){
        List list = new ArrayList();
        list.add(new CommonDTO("博士","博士"));
        list.add(new CommonDTO("硕士","硕士"));
        list.add(new CommonDTO("大学","大学"));
        list.add(new CommonDTO("高中","高中"));
        list.add(new CommonDTO("初中","初中"));
        list.add(new CommonDTO("小学","小学"));
        return list;
    }
}