rurales.FileUploadRural.java Source code

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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package rurales;

import conn.ConectionDB;
import in.co.sneh.model.FileUpload;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.commons.fileupload.FileItemIterator;
import org.apache.commons.fileupload.FileItemStream;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

/**
 *
 * @author anonimus
 */
public class FileUploadRural extends HttpServlet {

    leeRural lee = new leeRural();

    /**
     * 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 {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet FileUploadRural</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet FileUploadRural at " + request.getContextPath() + "</h1>");
            out.println("</body>");
            out.println("</html>");
        } finally {
            out.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 {
        ConectionDB con = new ConectionDB();
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        String Unidad = "";

        boolean isMultiPart = ServletFileUpload.isMultipartContent(request);
        if (isMultiPart) {
            ServletFileUpload upload = new ServletFileUpload();
            try {
                HttpSession sesion = request.getSession(true);
                FileItemIterator itr = upload.getItemIterator(request);
                while (itr.hasNext()) {
                    FileItemStream item = itr.next();
                    if (item.isFormField()) {
                        String fielName = item.getFieldName();
                        InputStream is = item.openStream();
                        byte[] b = new byte[is.available()];
                        is.read(b);
                        String value = new String(b);
                        response.getWriter().println(fielName + ":" + value + "<br/>");
                    } else {
                        String path = getServletContext().getRealPath("/");
                        if (FileUpload.processFile(path, item)) {
                            //response.getWriter().println("file uploaded successfully");
                            if (lee.obtieneArchivo(path, item.getName())) {
                                out.println("<script>alert('Se carg el Folio Correctamente')</script>");
                                out.println("<script>window.location='requerimiento.jsp'</script>");
                            }
                            //response.sendRedirect("cargaFotosCensos.jsp");
                        } else {
                            //response.getWriter().println("file uploading falied");
                            //response.sendRedirect("cargaFotosCensos.jsp");
                        }
                    }
                }
            } catch (FileUploadException fue) {
                fue.printStackTrace();
            }
            out.println("<script>alert('No se pudo cargar el Folio, verifique las celdas')</script>");
            out.println("<script>window.location='requerimiento.jsp'</script>");
            //response.sendRedirect("carga.jsp");
        }

        /*
         * Para insertar el excel en tablas
         */
    }
}

/**
 * Returns a short description of the servlet.
 *
 * @return a String containing servlet description
 */