wholechatroominfo.java

基于JSP的网络聊天室系统,功能明了易懂

package chat;

import java.util.*;
import java.sql.*;

public class WholeChatRoomInfo {
   static Vector rooms=new Vector();  //类型为RoomInfo
   static Vector wander=new Vector(); //类型为TempInfo
   static int room_num;

   static int room_max_num;
   static int serverport;
   static int refreshtime;
   static int reintime;

   static Vector ticks=new Vector();

   //static Vector receivepac=new Vector();

   static public boolean findName(String name)
   {
     UserTempInfo uInfo=new UserTempInfo();
     for(int i=0;i<rooms.size();i++)
     {
        RoomInfo rInfo=new RoomInfo();
        rInfo=(RoomInfo) rooms.elementAt(i);
        for(int j=0;j<rInfo.user.size();j++)
       {
            uInfo=(UserTempInfo)rInfo.user.elementAt(j);
           if(name.compareTo(uInfo.getname())==0)
              return true;
        }
      }
      for(int i=0;i<wander.size();i++)
      {
        uInfo=(UserTempInfo)wander.elementAt(i);
        if(name.compareTo(uInfo.getname())==0)
            return true;
      }
      return false;
   }
  static public UserTempInfo getinfobyName(String name)
  {
    UserTempInfo uInfo=new UserTempInfo();
    for(int i=0;i<rooms.size();i++)
    {
      RoomInfo rInfo=new RoomInfo();
      rInfo=(RoomInfo) rooms.elementAt(i);
      for(int j=0;j<rInfo.user.size();j++)
      {
        uInfo=(UserTempInfo)rInfo.user.elementAt(j);
        if(name.compareTo(uInfo.getname())==0)
          return uInfo;
      }
    }
    return uInfo;
  }

static public int finduserRoom(String name)
{
  for(int i=0;i<WholeChatRoomInfo.rooms.size();i++)
  {
     RoomInfo rInfo=new RoomInfo();
     rInfo=(RoomInfo)WholeChatRoomInfo.rooms.elementAt(i);
     for(int j=0;j<rInfo.user.size();j++)
     {
       UserTempInfo tempinfo =new UserTempInfo();
       tempinfo = (UserTempInfo) rInfo.user.elementAt(j);
       if(name.compareTo(tempinfo.getname())==0)
         return i;
     }
  }
  return -1;
}

  public WholeChatRoomInfo() {
  }

 static public boolean findtickname(String tickname,int num)
  {
    for(int i=0;i<ticks.size();i++)
    {
      TickInfo tInfo=new TickInfo();
      tInfo=(TickInfo)ticks.elementAt(i);
      RoomInfo rInfo=(RoomInfo)rooms.elementAt(num);
      if(tickname.compareTo(tInfo.username)==0 && rInfo.room_name.compareTo(tInfo.roomname)==0)
      {
        return true;
      }
    }
    return false;
  }
  public boolean InitialRoom()
  {
    //从数据库获取有几个room
    WholeChatRoomInfo.rooms.clear();
    DataBean db=new DataBean();
    db.connect();
    try
    {
      //int i=0;
      String sql="select * from chat_attribute";
      ResultSet rs2=db.openRs(sql);
      if(rs2.next())
      {
        serverport=Integer.parseInt(rs2.getString("port"));
        reintime=Integer.parseInt(rs2.getString("reintime"));
        refreshtime=Integer.parseInt(rs2.getString("refreshtime"));
      }
       sql="select * from room_info";
      ResultSet rs=db.openRs(sql);
      while(rs.next())
      {
        RoomInfo info=new RoomInfo();
        info.setroomname(rs.getString("room_name"));
        info.setmaxnum(Integer.parseInt(rs.getString("room_max_member")));
        WholeChatRoomInfo.rooms.addElement(info);
        String str=info.room_name;
      }
      WholeChatRoomInfo.room_num=WholeChatRoomInfo.rooms.size();
      rs.close();
    }
    catch(Exception e)
    {
      return false;
    }
    return true;
  }

}