import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;

public class deleteMsg extends HttpServlet {
//Initialize global variables
  FMSInterface fms;
  public void init(ServletConfig config) throws ServletException {
    try{
      super.init(config);
      fms = (FMSInterface)System.getProperties().get("MDM.FMServer");
    }
    catch(Exception ex){
      ex.printStackTrace();
    }
  }

//Process the HTTP Post request

  public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    try{
//Get the values of the parameters message
      String userName = req.getParameter("userName");
      String folder = req.getParameter("folder");
      String msgId = req.getParameter("msgId");
      fms.deleteMsg(userName, folder, msgId);
      res.setStatus(res.SC_NO_CONTENT);
    }
    catch(NullPointerException ex){
        try{
          System.out.println("Recreating connection to FMServer");
          org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init();
       	  fms = FMSInterfaceHelper.bind(orb, "FMServer");
          System.getProperties().put("MDM.FMServer", fms);
        }
        catch(Exception subEx){
          subEx.printStackTrace();
        }
    }
    catch(ClassCastException ex){
        try{
          System.out.println("Recreating connection to FMServer");
          org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init();
       	  fms = FMSInterfaceHelper.bind(orb, "FMServer");
          System.getProperties().put("MDM.FMServer", fms);
        }
        catch(Exception subEx){
          subEx.printStackTrace();
        }
    }
    catch(Exception ex){
      ex.printStackTrace();
    }
  }

  public void destroy(){
    try{
      fms = null;
    }
    catch(Exception ex){
      ex.printStackTrace();
    }
  }

//Get Servlet information

  public String getServletInfo() {
    return "deleteMsg Information";
  }
}