LoginAction

package com.store.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.store.form.LoginForm;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import java.util.Calendar;
import java.util.Enumeration;
import java.util.Set;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.text.SimpleDateFormat;

import javax.servlet.RequestDispatcher;
import javax.servlet.Servlet;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;


public class LoginAction extends Action
{
    public ActionForward execute(ActionMapping mapping, ActionForm form,  HttpServletRequest request, HttpServletResponse response)
    throws Exception {
        String target = null;
        String textFile = "";
        String dateTime ="";
        LoginForm loginForm = (LoginForm)form;
        String[] tempDateStore;
        String delimiter = "AD at";
        String finalDate = "";
        String driveName = "";
        String folderName = "";
        String completePath = "";
        String fileNamePath = "";
        FileOutputStream fout;
        FileInputStream fin;
        if((!loginForm.getItemName().equals("")) && (!loginForm.getLotNumber().equals(""))&& (!loginForm.getStockGodown().equals("")))
        {
                //Create name of txt file
                dateTime = now("yyyy.MM.dd G 'at' hh:mm:ss z");
                tempDateStore = dateTime.split(delimiter);
                String dateMod =tempDateStore[0].replace(".", ".");
                String timeMod = tempDateStore[1].replace(":", ".");

                finalDate = dateMod.trim()+"_" + timeMod.trim();
                textFile = loginForm.getItemName().trim()+"_"+loginForm.getLotNumber().trim()+"_"+loginForm.getStockGodown().trim()+"_"+finalDate+".txt";

                //Create a text file in C:temp after folder check
                    ServletContext context = getServlet().getServletContext();
                    driveName = context.getInitParameter("drive");
                    folderName = context.getInitParameter("foldername");

                    completePath = driveName.trim() +":\\"+ folderName.trim();
                    boolean exists = (new File(completePath)).exists();
                        if(!exists){
                        File f = new File(completePath);
                        f.mkdir();
                        }
                    fileNamePath =  completePath.trim()+"\\"+textFile.trim();
                    boolean fileExists = (new File(fileNamePath).exists());
                    if(!fileExists){
                        File file = new File(fileNamePath);
                        file.createNewFile();

                    }


                target = "success";
                request.setAttribute("message", textFile);
                request.setAttribute("itemname",loginForm.getItemName().trim());
                request.setAttribute("lotnumber",loginForm.getLotNumber().trim());
                request.setAttribute("godownname",loginForm.getStockGodown().trim());
            }
        else {
            target = "failure";
            }
        return mapping.findForward(target);
        }


    public static String now(String dateFormat) {
        Calendar cal = Calendar.getInstance();
        SimpleDateFormat sdf = new SimpleDateFormat(dateFormat);
        return sdf.format(cal.getTime());

      }




    }