jsp UI에서 값 받는 sevlet page #2

package midas.pm;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import midas.equipment.ManagementManager;

import midas.application.SearchUserManager;
import midas.modules.util.IllegalCommandException;
import midas.modules.util.Manager;
import midas.modules.util.PageForward;

public class PMServlet  extends HttpServlet {
 
 /**
  *
  */
 private static final long serialVersionUID = 4749453770777604392L;

 public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
 {
  doPost(request, response);
 }

 public void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException
 {
  //-----------------------
  // Session Check.  update 2007.04.06
  //-----------------------
  if(request.getSession().getAttribute("LoginedUser")==null){
   RequestDispatcher rd = getServletContext().getRequestDispatcher("/common/AfterSessionOut.jsp");
   rd.forward(request,response);
   return;
  }

  PageForward objForward = null;
  Manager objManager = null;
  try
  {
   String strClass  = request.getParameter("wrk");      //비즈니스 클래스명을 넘겨줌
   String strMethod = request.getParameter("cmd");      //클래스내의 메소드명을 넘겨줌

   objManager = getManager(strClass);         //CLASS의 오브젝트를 할당받는다.
   objForward = objManager.execute(request, response, strMethod);  //실행로직
   
  }
  catch(Exception e)
  {
   e.printStackTrace();
   throw new ServletException(e.getMessage());
  }

  if(objForward.isRedirect())
  {
   response.sendRedirect(objForward.getPath());
  }
  else
  {
   RequestDispatcher rd = request.getRequestDispatcher(objForward.getPath());
   rd.forward(request, response);  
  }
 }
 
 /**
  * Get Action
  * @param strCommand
  * @return
  * @throws IllegalCommandException
  */
 public Manager getManager(String strCommand) throws IllegalCommandException
 {
  Manager objManager = null;
 
  if (strCommand.equals("pm")) {
   objManager = new PMManager();
  }
  else if (strCommand.equals("SearchUser")) {
   objManager = new SearchUserManager();
  }
  else if (strCommand.equals("equipment")) {
   objManager = new ManagementManager();
  }
  else if (strCommand.equals("inspection")) {
   objManager = new InspectionEqManager();
  }
  else if (strCommand.equals("pmsheet")) {
   objManager = new PMSheetManager();
  }
  else if (strCommand.equals("eqhispart")) {
   objManager = new EqHisPartManager();
  }
  else {
   throw new IllegalCommandException("잘못된 실행명령! 올바른 클래스를 실행하세요. ");
  }

  return objManager;
 }
}