rva.taskinsert.RetelLog.java Source code

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package rva.taskinsert;

import java.io.*;
import java.util.*;

import javax.servlet.RequestDispatcher;

import javax.servlet.ServletConfig;
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 jxl.*;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.io.output.*;
import rva.dbaccess.DBConnect;
import rva.userlogin.LogBean;

public class RetelLog extends HttpServlet {
    private boolean isMultipart;
    private String filePath;
    private int maxFileSize = 100000000 * 1024;
    private int maxMemSize = 1000000000 * 1024;
    private File file;

    public void init() {
        // Get the file location where it would be stored.
        filePath = getServletContext().getInitParameter("retelfileuploadingpath");
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, java.io.IOException {
        // Check that we have a file upload request
        HttpSession session = request.getSession();
        LogBean lb = (LogBean) session.getAttribute("currloginsession");
        String performdate = (String) session.getAttribute("logindate");
        String empname = lb.getAuditorname();
        isMultipart = ServletFileUpload.isMultipartContent(request);
        response.setContentType("text/html");

        java.io.PrintWriter out = response.getWriter();
        // out.println(isMultipart);
        if (!isMultipart) {
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet upload</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<p>No file uploaded</p>");
            out.println("</body>");
            out.println("</html>");
            return;
        }

        DiskFileItemFactory factory = new DiskFileItemFactory();
        // maximum size that will be stored in memory
        factory.setSizeThreshold(maxMemSize);
        // Location to save data that is larger than maxMemSize.
        factory.setRepository(new File("c:\\temp"));
        // Create a new file upload handler
        ServletFileUpload upload = new ServletFileUpload(factory);
        // maximum file size to be uploaded.
        upload.setSizeMax(maxFileSize);

        try {
            // Parse the request to get file items.

            List fileItems = upload.parseRequest(request);
            // Process the uploaded file items
            Iterator i = fileItems.iterator();

            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet upload</title>");
            out.println("</head>");
            out.println("<body>");
            while (i.hasNext()) {

                FileItem fi = (FileItem) i.next();

                if (!fi.isFormField())

                {

                    // Get the uploaded file parameters
                    String fieldName = fi.getFieldName();
                    String fileName = fi.getName();
                    String contentType = fi.getContentType();
                    boolean isInMemory = fi.isInMemory();
                    long sizeInBytes = fi.getSize();
                    // Write the file

                    if (fileName.lastIndexOf("\\") >= 0) {
                        file = new File(filePath + fileName.substring(fileName.lastIndexOf("\\")));
                    } else {
                        file = new File(filePath + fileName.substring(fileName.lastIndexOf("\\") + 1));
                    }
                    fi.write(file);
                    String upfile = filePath + fileName;
                    RetFileRead.readExcels(upfile, empname, performdate);
                    out.println("<html>");
                    out.println("<body>");
                    //HttpSession session=request.getSession();
                    response.sendRedirect("reteltaskinsert.jsp");
                    session.setAttribute("filepathret", upfile);
                    // RequestDispatcher rd=request.getRequestDispatcher("fileuploading.jsp");
                    // rd.include(request, response);
                    //out.println("Uploaded Filename:" +upfile+ "<br>");
                    out.println("</body>");
                    out.println("</html>");
                }
            }
            out.println("File3");
            out.println("</body>");
            out.println("</html>");
        } catch (Exception ex) {
            System.out.println(ex);
        }
    }

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, java.io.IOException {
        throw new ServletException("GET method used with " + getClass().getName() + ": POST method required.");
    }
}