server/compbio/listeners/QueryServlet.java

   1 package compbio.listeners;
   2
   3 import java.io.IOException;
   4 import java.util.Calendar;
   5 import java.util.List;
   6
   7 import javax.servlet.RequestDispatcher;
   8 import javax.servlet.ServletException;
   9 import javax.servlet.annotation.WebServlet;
  10 import javax.servlet.http.HttpServlet;
  11 import javax.servlet.http.HttpServletRequest;
  12 import javax.servlet.http.HttpServletResponse;
  13
  14 import compbio.cassandra.DataBase;
  15 import compbio.statistic.StatisticsProt;
  16
  17 @WebServlet("/QueryServlet")
  18 public class QueryServlet extends HttpServlet {
  19         private static final long serialVersionUID = 1L;
  20
  21         /**
  22          * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
  23          *      response)
  24          */
  25         protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  26                 String date1 = request.getParameter("data1");
  27                 String date2 = request.getParameter("data2");
  28                 StatisticsProt sp = new StatisticsProt();
  29                 if (null != request.getParameter("option")) {
  30                         Calendar cal = Calendar.getInstance();
  31                         date1 = StatisticsProt.DateFormatYYMMDD(sp.earliestDate());
  32                         date2 = cal.get(Calendar.YEAR) + "/" + (cal.get(Calendar.MONTH) + 1) + "/" + cal.get(Calendar.DAY_OF_MONTH);
  33                 }
  34                 request.setAttribute("data1", date1);
  35                 request.setAttribute("data2", date2);
  36                 List<DataBase> res = sp.readDetails(date1, date2);
  37                 request.setAttribute("result", res);
  38                 System.out.println ("QueryServlet.doGet: total number of dates = " + res.size());
  39                 request.setAttribute("flag", request.getParameter("option"));
  40                 RequestDispatcher rd = request.getRequestDispatcher("/ReportNew.jsp");
  41                 rd.forward(request, response);
  42         }
  43
  44         protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  45                 doGet(request, response);
  46         }
  47
  48 }