roomlistservlet.java

《JSP2.0动态网站开发实例指南》------------------源代码

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import AccountsPack.User;
import RoomPackage.Room;
import DataCenterPackage.Condition;

public class roomListServlet extends HttpServlet{
    public void doPost (HttpServletRequest request,
		       HttpServletResponse response) {
        doGet(request, response);
        
    }
    
    public void doGet (HttpServletRequest request,
		       HttpServletResponse response) {
        try{
            HttpSession session = request.getSession(true);
            User user = (User)session.getAttribute("userBean");

            Room []roomList;
            if ( user.get_identity() == User.GRP_OPERATOR ||
                user.get_identity() == User.GRP_ADMINISTRATOR ) {
                roomList = user.SearchRoom((Condition[])null);
                request.setAttribute("roomList", roomList);
                getServletConfig().getServletContext().getRequestDispatcher("/roomlist.jsp").forward(request, response);
            } else {
                request.setAttribute("errorinfo","invalid operation, request refused!");
                getServletConfig().getServletContext().getRequestDispatcher("/error.jsp").forward(request, response);
            }
        }
        catch(Exception ex){
            ex.printStackTrace();
        }
    }
}