Exemple #1
0
  public static void main(String[] args) {

    if (args.length < 2) {
      System.out.println("Usage: <port> <filename>");
      System.exit(0);
    }

    int port = Integer.parseInt(args[0]);
    String filename = args[1];

    DataOutputPacketManager dopm = null;
    IncomingConnection conn = null;

    try {
      dopm = new DataOutputPacketManager(filename);
      conn = new IncomingConnection(port);
    } catch (Exception e) {
      System.err.println(e.getMessage());
      e.printStackTrace();
      System.exit(99);
    }

    System.out.println("Ready to receive");

    Packet p;
    do {

      p = conn.getNextPacket();
      if (p == null) continue;

      try {
        System.out.println("Received packet (" + p.getShort(0) + ")");
      } catch (PacketException e1) {
        System.err.println(e1.getMessage());
        e1.printStackTrace();
      }

      try {
        dopm.storePacket(p);
      } catch (PacketException e) {
        System.err.println(e.getMessage());
        e.printStackTrace();
        continue;
      }

    } while (!dopm.complete());

    System.out.println("Receiver complete");

    conn.close();
  }
 // Function To Generate AlphaNumeric Random Strings that will be used as unique Invoice ID.
 public String invoiceIDGenerator() {
   long decimalNumber = System.nanoTime();
   String strBaseDigits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
   String invoiceID = "";
   int mod = 0;
   while (decimalNumber != 0) {
     mod = (int) (decimalNumber % 36);
     invoiceID = strBaseDigits.substring(mod, mod + 1) + invoiceID;
     decimalNumber = decimalNumber / 36;
   }
   return invoiceID;
 }
  public void writeToFile(String invID, String carNumber, String carModel, String packName) {
    String separator = System.getProperty("line.separator");
    // variable declarations for storing the data from the database.
    String bookedBy = new String();
    String usedBy = new String();
    String branch = new String();
    int dd = 0, mm = 0, yyyy = 0, usedKms = 0, usedHours = 0, packKms = 0, packHours = 0;
    Double eKmsCharge = 0.0;
    Double eHoursCharge = 0.0;
    Double osaDays = 0.0;
    Double osaNights = 0.0;
    Double parking = 0.0;
    Double others = 0.0;
    Double subTotalA = 0.0;
    Double subTotalB = 0.0;
    Double serviceTax = 0.0;
    Double bookingAmount = 0.0;
    Double finalAmount = 0.0;

    String compName = new String();
    String compAddr = new String();
    String compPAN = new String();
    String compDD = new String();

    try {
      Connection con = db.createConnection();
      Connection con2 = db.createConnection();
      String retrieveStatement = "select * from invoices where invoiceno=?";
      String retrieveCompanyInfo = "select * from company";
      PreparedStatement ps = con.prepareStatement(retrieveStatement);
      Statement st = con2.createStatement();
      ps.setString(1, invID);
      ResultSet rs = ps.executeQuery();
      ResultSet rs2 = st.executeQuery(retrieveCompanyInfo);
      while (rs.next()) {
        bookedBy = rs.getString(2);
        usedBy = rs.getString(3);
        branch = rs.getString(4);
        dd = rs.getInt(5);
        mm = rs.getInt(6);
        yyyy = rs.getInt(7);
        usedKms = rs.getInt(8);
        usedHours = rs.getInt(9);
        packKms = rs.getInt(10);
        packHours = rs.getInt(11);
        eKmsCharge = rs.getDouble(13);
        eHoursCharge = rs.getDouble(14);
        osaDays = rs.getDouble(15);
        osaNights = rs.getDouble(16);
        parking = rs.getDouble(17);
        others = rs.getDouble(18);
        subTotalA = rs.getDouble(19);
        subTotalB = rs.getDouble(20);
        serviceTax = rs.getDouble(21);
        bookingAmount = rs.getDouble(22);
        finalAmount = rs.getDouble(23);
      }
      while (rs2.next()) {
        compName = rs2.getString(1);
        compAddr = rs2.getString(2);
        compPAN = rs2.getString(3);
        compDD = rs2.getString(4);
      }

      File file = new File("temp.txt");
      Writer writer = new BufferedWriter(new FileWriter(file));
      writer.write(separator + " Invoice ID: " + invID);
      writer.write(separator + " Company Name: " + compName);
      writer.write(
          separator
              + " Used By:   "
              + usedBy
              + separator
              + " Booked By: "
              + bookedBy
              + "                        Branch Requested: "
              + branch);
      writer.write(
          separator
              + "------------------------------------------------------------------------------------------------------------------");
      writer.write(separator + " Car No.: " + carNumber + "\t\tCar Alotted: " + carModel);
      writer.write(separator + " Package: " + packName);
      writer.write(
          separator
              + " Kms Used: "
              + usedKms
              + "                Extra Kms: "
              + (usedKms - packKms)
              + "             Extra Kms Charge(@10% extra rate): "
              + eKmsCharge);
      writer.write(
          separator
              + " Hours Used: "
              + usedHours
              + "                Extra Hours: "
              + (usedHours - packHours)
              + "          Extra Hours Charge(@Rs.50/hr): "
              + eHoursCharge);
      writer.write(
          separator
              + " Car Used On: "
              + dd
              + "-"
              + mm
              + "-"
              + yyyy
              + "                                                                    Sub Total (A): "
              + subTotalA);
      writer.write(
          separator
              + "------------------------------------------------------------------------------------------------------------------");
      writer.write(
          separator
              + " Parking & Toll: "
              + parking
              + "                                                    Others: "
              + others);
      writer.write(
          separator
              + " Out Station Allowance (in Rs.) for \t Days: "
              + osaDays
              + "                Nights: "
              + osaNights);
      writer.write(
          separator
              + "                                                                                                                      Sub Total (B): "
              + subTotalB);
      writer.write(
          separator
              + "------------------------------------------------------------------------------------------------------------------");
      writer.write(
          separator
              + "                                                                                                                      Total (A+B): "
              + (subTotalA + subTotalB));
      writer.write(
          separator
              + separator
              + " PAN: "
              + compPAN
              + "                                                                                 Service Tax: "
              + serviceTax);
      writer.write(separator + " Service Tax Category: Rent-a-Cab\t\tTotal: " + finalAmount);
      writer.write(
          separator
              + " All Cheques/Drafts to be drawn in favor of\t\tBooking Amount: "
              + bookingAmount
              + separator
              + " "
              + compDD
              + "\t\tNet Payable: "
              + (finalAmount - bookingAmount));
      writer.write(separator + separator + " Billing Address" + separator + " " + compAddr);

      writer.flush();
      con.close();
      con2.close();
      Invoice i = new Invoice();
      i.setVisible(true);

    } catch (Exception ee) {
      ee.printStackTrace();
    }
  }