housetypeservlet.java

本软件系统可以实现预定酒店的多方位查询、预订酒店的功能。可以方便人们入住酒店,增加酒店的收入

package com.abc.hotel;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import javax.naming.*;
import javax.rmi.*;
import javax.ejb.*;

public class HouseTypeServlet extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";
    /*
    protected HotelRemoteHome hotelRemoteHome;
    protected HotelRemote hotelRemote;
    protected HouseTypeRemoteHome houseTypeRemoteHome;
    protected HouseTypeRemote houseTypeRemote;
    protected Integer hotelPK = null;
    //Initialize global variables
    public void init() throws ServletException {
    	hotelRemoteHome = lookupHotelRemoteHome();
    	houseTypeRemoteHome = lookupHouseTypeRemoteHome();
    	HotelRemoteHome hotelRemoteHome = lookupHotelRemoteHome();
    	HouseTypeRemoteHome houseTypeRemoteHome = lookupHouseTypeRemoteHome();
    	super.init();
    }
    */
    //Process the HTTP Get request
    //HttpSession session = new HttpSession();
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("gb2312");
        HttpSession session = request.getSession();
        response.setContentType(CONTENT_TYPE);
        PrintWriter out = response.getWriter();
        String action = (String)request.getParameter("action");
       	if(action.equals("addHouseType")){//----------------------------------------------------------------addHouseType
			System.out.println("this is in HouseTypeServlet");
			String houseName = request.getParameter("houseName");
        	String normalPrice = request.getParameter("normalPrice");
        	String vipPrice = request.getParameter("vipPrice");
        	String breakfast = request.getParameter("breakfast");
        	System.out.println ("+++++++++++++++++out put data begin++++++++++++++++++++++");
        	System.out.println (houseName);
        	System.out.println (normalPrice);
        	System.out.println (vipPrice);
        	System.out.println (breakfast);
        	System.out.println ("+++++++++++++++++out put data end  ++++++++++++++++++++++");
        	
        	//String str = request.getParameter("hotelPK");
        	//Integer hotelPK = Integer.decode(str);
        	Integer hotelPK = (Integer)session.getAttribute("session_hotelPK");
        	//把上面数据插入house_type表中
        	
        	try {
        		HouseTypeRemoteHome houseTypeRemoteHome = lookupHouseTypeRemoteHome();
				houseTypeRemoteHome.create(hotelPK,houseName,Integer.decode(normalPrice),Integer.decode(vipPrice),breakfast);
				
		    }
		    catch (Exception ex) {
		    	ex.printStackTrace();
		    	System.out.println ("I can't insert into HouseType table!!");
		    }
        	
        	try {
        		HouseTypeRemoteHome houseTypeRemoteHome = lookupHouseTypeRemoteHome();
        		Collection collection = houseTypeRemoteHome.findByHotelId(hotelPK);
				Iterator it = collection.iterator();
				request.setAttribute("session_it",it);
		    }
		    catch (Exception ex) {
		    	ex.printStackTrace();
		    }
        	forward(request,response,"/jsp/hotel/AddHouseType.jsp");//跳转页面到AddHouseType.jsp
        	
        	
       	}
       	if(action.equals("addHouseType2")){//----------------------------------------------------------------addHouseType
			System.out.println("this is in addHouseType2");
			String houseName = request.getParameter("houseName");
        	String normalPrice = request.getParameter("normalPrice");
        	String vipPrice = request.getParameter("vipPrice");
        	String breakfast = request.getParameter("breakfast");
        	System.out.println ("+++++++++++++++++out put data begin++++++++++++++++++++++");
        	System.out.println (houseName);
        	System.out.println (normalPrice);
        	System.out.println (vipPrice);
        	System.out.println (breakfast);
        	System.out.println ("+++++++++++++++++out put data end  ++++++++++++++++++++++");
        	
        	//String str = request.getParameter("hotelPK");
        	//Integer hotelPK = Integer.decode(str);
        	Integer hotelPK = (Integer)session.getAttribute("session_hotelPK");
        	//把上面数据插入house_type表中
        	
        	try {
        		HouseTypeRemoteHome houseTypeRemoteHome = lookupHouseTypeRemoteHome();
				houseTypeRemoteHome.create(hotelPK,houseName,Integer.decode(normalPrice),Integer.decode(vipPrice),breakfast);
				
		    }
		    catch (Exception ex) {
		    	ex.printStackTrace();
		    	System.out.println ("I can't insert into HouseType table!!");
		    }
        	
        	try {
        		HouseTypeRemoteHome houseTypeRemoteHome = lookupHouseTypeRemoteHome();
        		Collection collection = houseTypeRemoteHome.findByHotelId(hotelPK);
				Iterator it = collection.iterator();
				request.setAttribute("session_it",it);
		    }
		    catch (Exception ex) {
		    	ex.printStackTrace();
		    }
        	forward(request,response,"/jsp/hotel/UpdateHouseType.jsp");//UpdateHouseType.jsp
        	
        	
       	}
       	if(action.equals("delHouseType")){
       		String house_type_id = request.getParameter("house_type_id");
       		String hotelid = request.getParameter("hotelid");
       		System.out.println ("this is in delHouseType");
       		try {
       			HouseTypeRemoteHome houseTypeRemoteHome = lookupHouseTypeRemoteHome();
	       		HouseTypeRemote houseTypeRemote=houseTypeRemoteHome.findByPrimaryKey(new Integer(house_type_id));
	       		houseTypeRemote.remove();
	       		HouseTypeRemoteHome houseTypeRemoteHome1 = lookupHouseTypeRemoteHome();
        		Collection collection = houseTypeRemoteHome1.findByHotelId(new Integer(hotelid));
				Iterator it = collection.iterator();
				request.setAttribute("session_it",it);
	       		forward(request,response,"/jsp/hotel/UpdateHouseType.jsp");
			}catch (Exception ex) {
				ex.printStackTrace();
			}
       		

       	}
       	if(action.equals("showOneHouseType")){
       		String house_type_id = request.getParameter("house_type_id");
       		String hotelid = request.getParameter("hotelid");
       		System.out.println ("this is in updateHouseType");
       		System.out.println (house_type_id);
       		System.out.println (hotelid);
       		
       		
       		try {
       			HouseTypeRemoteHome houseTypeRemoteHome = lookupHouseTypeRemoteHome();
	       		HouseTypeRemote houseTypeRemote=houseTypeRemoteHome.findByPrimaryKey(new Integer(house_type_id));
	       		String houseName = houseTypeRemote.getHouseName();
	       		String normalPrice = houseTypeRemote.getNormalPrice().toString();
	       		String vipPrice = houseTypeRemote.getVipPrice().toString();
	       		String breakfast = houseTypeRemote.getBreakfast();
	       		request.setAttribute("houseName",houseName);
	       		request.setAttribute("normalPrice",normalPrice);
	       		request.setAttribute("vipPrice",vipPrice);
	       		request.setAttribute("breakfast",breakfast);
	       		request.setAttribute("house_type_id",house_type_id);
	       		request.setAttribute("hotelid",hotelid);

	       		forward(request,response,"/jsp/hotel/UpdateOneHouse.jsp");

			}catch (Exception ex) {
				ex.printStackTrace();
			}
			
       	}
       	if(action.equals("updateHouseType")){
       		System.out.println ("this is in updateHouseType");
       		String hotelid = request.getParameter("hotelid");
       		Integer hotelPK = Integer.decode(hotelid);
       		String house_type_id = request.getParameter("house_type_id");
       		
       		String houseName = request.getParameter("houseName");
       		String normalPrice = request.getParameter("normalPrice");
       		String vipPrice = request.getParameter("vipPrice");
       		String breakfast = request.getParameter("breakfast");
       		try {
       			HouseTypeRemoteHome houseTypeRemoteHome = lookupHouseTypeRemoteHome();
	       		HouseTypeRemote houseTypeRemote=houseTypeRemoteHome.findByPrimaryKey(new Integer(house_type_id));
	       		houseTypeRemote.setHouseName(houseName);
	       		houseTypeRemote.setNormalPrice(new Integer(normalPrice));
	       		houseTypeRemote.setVipPrice(new Integer(vipPrice));
	       		houseTypeRemote.setBreakfast(breakfast);
	       		session.setAttribute("session_hotelPK",hotelPK);
	       		
	       		HouseTypeRemoteHome houseTypeRemoteHome2 = lookupHouseTypeRemoteHome();
        		Collection collection = houseTypeRemoteHome2.findByHotelId(hotelPK);
				Iterator it = collection.iterator();
				request.setAttribute("session_it",it);
	       		forward(request,response,"/jsp/hotel/UpdateHouseType.jsp");
			}catch (Exception ex) {
				ex.printStackTrace();
			}
       		
       	}
       	/*
        if(action.equals("addHouseType")){
        	System.out.println ("*****************in action addHouseType ***** begin**********************");
        	//接收house_type传来的数据
        	String houseName = request.getParameter("houseName");
        	String normalPrice = request.getParameter("normalPrice");
        	String vipPrice = request.getParameter("vipPrice");
        	String breakfast = request.getParameter("breakfast");
        	//hotelPK = (Integer)request.getAttribute("session_hotelPK");
        	
           	System.out.println ("=======================begin========================");
        	System.out.println (houseName);
        	System.out.println (normalPrice);
        	System.out.println (vipPrice);
        	System.out.println (breakfast);
        	System.out.println ("=======================end========================");
       
        	//将收到的房间类型信息插入数据库
			//please insert something ..............................................................................................................
        	//跳转换回AddHouseType.jsp进行下一次添加
        	//System.out.println ("go to HouseType!!!!");
        	System.out.println ("from action = addHouseType to addHouseType page");
        
        	System.out.println ("hotelPK is:"+hotelPK);
        	this.goHouseType(request,response);
        	//forward(request,response,"/jsp/hotel/AddHouseType.jsp");//跳转页面到AddHouseType.jsp
        	System.out.println ("*****************in action addHouseType ***** out**********************");
        	response.sendRedirect("./jsp/hotel/AddHouseType.jsp");
       	
        }
        */
        
       
    }
    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doGet(request, response);
    }
    
    //Clean up resources
    public void destroy() {
    }
    
    private HotelRemoteHome lookupHotelRemoteHome() {
    // Lookup the beans home using JNDI

		HotelRemoteHome myHome = null;

		try {

			Hashtable ht = new Hashtable();
		    ht.put(Context.INITIAL_CONTEXT_FACTORY,"weblogic.jndi.WLInitialContextFactory");
			ht.put(Context.PROVIDER_URL, "t3://localhost:7001");
			Context ctx = new InitialContext(ht);
			Object home = ctx.lookup("HotelJndiName");

			myHome = (HotelRemoteHome) PortableRemoteObject.narrow(home, HotelRemoteHome.class);

        } catch (Exception e)
        {
            System.out.println("The client was unable to lookup the HotelRemoteHome.");
        }

        return myHome;
	}
	
	private HouseTypeRemoteHome lookupHouseTypeRemoteHome() {
    // Lookup the beans home using JNDI

		HouseTypeRemoteHome myHome = null;

		try {

			Hashtable ht = new Hashtable();
		    ht.put(Context.INITIAL_CONTEXT_FACTORY,"weblogic.jndi.WLInitialContextFactory");
			ht.put(Context.PROVIDER_URL, "t3://localhost:7001");
			Context ctx = new InitialContext(ht);
			Object home = ctx.lookup("HouseTypeJndiName");

			myHome = (HouseTypeRemoteHome) PortableRemoteObject.narrow(home, HouseTypeRemoteHome.class);

        } catch (Exception e)
        {
            System.out.println("The client was unable to lookup the HouseTypeRemoteHome.");
        }

        return myHome;
	}
	
	protected void forward(HttpServletRequest request,HttpServletResponse response,String url)    throws ServletException,IOException {
    RequestDispatcher dispatcher = request.getRequestDispatcher(url);
    dispatcher.forward(request, response);
   }
}