/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package Controller;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author 454222
 */
public class PacsReportDownload extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HttpSession session = request.getSession(false);
        //String fileName = request.getParameter("file_name");
       // String date = request.getParameter("datepickerhidden");
        //String directoryName = date.split("/")[0] + date.split("/")[1] + date.split("/")[2];
        String directoryName = date.split("/")[2] + date.split("/")[1] + date.split("/")[0];
        String filePath = getServletContext().getInitParameter("pacs-report") + File.separator + session.getAttribute("pacsId").toString() + File.separator + directoryName + File.separator + fileName;

        response.setContentType("text/plain");
        response.setHeader("Content-Disposition", "attachment; filename=" + fileName);
        ///*Workbook workbook = (new CreateExcel()).createExcel(IcrBrBeanObj);
        ServletOutputStream outStream = response.getOutputStream();
        File downloadFile = new File(filePath);
        FileInputStream inStream = new FileInputStream(downloadFile);
        byte[] buffer = new byte[4096];
        int bytesRead = -1;

        while ((bytesRead = inStream.read(buffer)) != -1) {
            outStream.write(buffer, 0, bytesRead);
        }

        //workbook.write(outStream);
        outStream.close();
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
