gatewayfactory.java

源码 / 社区论坛 阿菜java论坛

package net.acai.forum;
/**
 * Title:        阿菜网络
 * Description:
 * Copyright:    Copyright (c) 2002
 * Company:      www.justhis.com
 * @author:       acai
 * @version 1.0
 */
import net.acai.database.*;
import net.acai.forum.GateWayNotFoundException;
import java.sql.ResultSet;
import java.util.Vector;
import javax.servlet.http.*;
import net.acai.util.*;
public class GateWayFactory{
	public static Vector getGateWays() throws GateWayNotFoundException{
		try{
			DBConnect dbc=new DBConnect("select * from class order by id");
			ResultSet rs=dbc.executeQuery();
			Vector gateWayVector=new Vector();
			int gateWayID;
			String gateWayName;
			GateWay gateWay;
			while(rs.next()){
				gateWayID=rs.getInt(1);
				gateWayName=rs.getString(2);
				gateWay=new GateWay(gateWayID,gateWayName);
				gateWayVector.add(gateWay);
			}
			dbc.close();
			return gateWayVector;
		}
		catch(Exception e){
			throw new GateWayNotFoundException();
		}
		
	}
	public static GateWay getGateWay(HttpServletRequest request) throws Exception{
		int ID;	
		try{
			ID=ParamUtil.getInt(request,"id");
		}
		catch(Exception e){
			throw new Exception("请您选择您要排序的分类的ID");
		}
		DBConnect dbc=new DBConnect();
		String sql="select id,class from class where id="+ID;
		ResultSet rs=dbc.executeQuery(sql);
		if(!rs.next())
		throw new Exception("没有找到相应的论坛分类。");
		rs.next();
		GateWay gateWay=new GateWay(rs.getInt(1),rs.getString(2));
		dbc.close();
		return gateWay;
	}
}