Parallelport-whts wrong with this code?

Question

guys i need to know wht's wrong with this code.i sent the byte x=5 to the parallel port.and tried to read it back intoo another variable y..but the value of y is not returning.
it showed the errors:
1. printer port LPT1 :failed to write:IOException
2.Exception
java.io.IOException The device is not connected in writebyte
i have no devices connected to the parallel port.
my code is included:
import javax.comm.*;
import java.io.*;
public class Parallelio {
private static OutputStream outputStream;;
private static ParallelPort parallelPort;
private static CommPortIdentifier port;
private static InputStream inputStream;
// CONSTANT
public static final String PARALLEL_PORT = "LPT1";
public static void main(String[] args) {
try {
     // get the parallel port connected to the printer
port = CommPortIdentifier.getPortIdentifier(PARALLEL_PORT);
     // open the parallel port -- open(App name, timeout)
parallelPort = (ParallelPort) port.open("CommTest", 50);
outputStream = parallelPort.getOutputStream();
     byte x=5;     
     byte y;
     outputStream.write(x);
     inputStream=parallelPort.getInputStream();
     y=(byte)inputStream.read();
     System.out.println("The value read is:"+y);
     outputStream.flush();
     outputStream.close();     
// inputStream.flush();
     inputStream.close();     
     } catch (NoSuchPortException nspe) {
System.out.println("\nPrinter Port LPT1 not found : "
+ "NoSuchPortException.\nException:\n" + nspe + "\n");
} catch (PortInUseException piue) {
System.out.println("\nPrinter Port LPT1 is in use : "
+ "PortInUseException.\nException:\n" + piue + "\n");
     catch (IOException ioe) {
System.out.println("\nPrinter Port LPT1 failed to write : "
+ "IOException.\nException:\n" + ioe + "\n");
} catch (Exception e) {
System.out
.println("\nFailed to open Printer Port LPT1 with exeception : "
+ e + "\n");
} finally {
if (port != null && port.isCurrentlyOwned()) {
parallelPort.close();
System.out.println("Closed all resources.\n");
regards
arun
Message was edited by:
arun_koshy
Message was edited by:
arun_koshy
Message was edited by:
arun_koshy

Answer 1

Hi
I also need jwrapi package, could someone send me the binaries or the password?
My email is
[email protected]
thank you.