on 11-15-2005 10:46 AM
hi all,
iam reading a file from R/3 using a function module. It returns the contents in binary format. Now my require ment is to print this file in its native format.
note: I want to print that file with out opening it .
Thanks in Advance
Swamy.B
Hi if its a pdf file the following program can help u out.
import java.lang.reflect.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.print.*;
import java.awt.Graphics2D;
import java.io.*;
import javax.swing.*;
import javax.print.*;
import javax.print.attribute.*;
import javax.print.attribute.standard.*;
import javax.print.event.*;
public class BasicPrint {
JFrame frame;
JButton btn;
private boolean PrintJobDone = false;
protected void MakeGui() {
frame = new JFrame("PrintService");
btn = new JButton("Cancel Print Job");
btn.disable();
frame.getContentPane().add(btn, BorderLayout.SOUTH);
frame.pack();
frame.setVisible(true);
}
BasicPrint(String FileToPrint, String pMode) {
try {
MakeGui();
// Open the image file
InputStream is = new BufferedInputStream(new FileInputStream(FileToPrint));
// Find the default service
DocFlavor flavor = DocFlavor.INPUT_STREAM.AUTOSENSE;
if (pMode != null && pMode.equalsIgnoreCase("TXT"))
flavor = DocFlavor.INPUT_STREAM.TEXT_PLAIN_UTF8;
else if (pMode != null && pMode.equalsIgnoreCase("PS"))
flavor = DocFlavor.INPUT_STREAM.POSTSCRIPT;
else if (pMode != null && pMode.equalsIgnoreCase("PDF"))
flavor = DocFlavor.INPUT_STREAM.PDF;
else if (pMode != null && pMode.equalsIgnoreCase("JPG"))
flavor = DocFlavor.INPUT_STREAM.JPEG;
else if (pMode != null && pMode.equalsIgnoreCase("GIF"))
flavor = DocFlavor.INPUT_STREAM.GIF;
else if (pMode != null && pMode.equalsIgnoreCase("PNG"))
flavor = DocFlavor.INPUT_STREAM.PNG;
else if (pMode != null && pMode.equalsIgnoreCase("PCL"))
flavor = DocFlavor.INPUT_STREAM.PCL;
else if (pMode != null && pMode.equalsIgnoreCase("RAW"))
flavor = DocFlavor.INPUT_STREAM.AUTOSENSE;
System.err.println("* IMPRIMIR " + FileToPrint + " " + pMode + " " + flavor);
PrintService dservice = PrintServiceLookup.lookupDefaultPrintService();
PrintService[] services = PrintServiceLookup.lookupPrintServices(flavor, null);
if (services == null || services.length < 1)
services = PrintServiceLookup.lookupPrintServices(null, null);
PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();
aset.add(new Copies(1));
aset.add(OrientationRequested.PORTRAIT);
// aset.add(MediaTray.MAIN);
aset.add(Sides.ONE_SIDED);
aset.add(MediaSizeName.ISO_A4);
PrintService service = ServiceUI.printDialog(
(GraphicsConfiguration) null,
60, 60,
services,
(PrintService) dservice,
(DocFlavor) flavor,
aset);
if (service != null) {
// Create the print job
final DocPrintJob job = service.createPrintJob();
Doc doc = new SimpleDoc(is, flavor, null);
// Monitor print job events; for the implementation of PrintJobWatcher,
PrintJobWatcher pjDone = new PrintJobWatcher(job);
if (job instanceof CancelablePrintJob) {
btn.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent evt) {
CancelablePrintJob cancelJob = (CancelablePrintJob) job;
try {
cancelJob.cancel();
} catch (PrintException e) {
// Possible reason is job was already finished
}
}
});
btn.enable();
}
try {
// Print it
job.print(doc, (PrintRequestAttributeSet) aset);
} catch (PrintException e) {
e.printStackTrace();
}
System.err.println("* Impresion Realizada - Esperando ..");
// Wait for the print job to be done
pjDone.waitForDone();
}
// It is now safe to close the input stream
is.close();
} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
synchronized (BasicPrint.this) {
PrintJobDone = true;
BasicPrint.this.notify();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
public synchronized void waitForDone() {
try {
while (!PrintJobDone) {
wait();
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
try {
if (args.length < 1) {
System.err.println("\nSintaxis:\n\n java BasicPrint FileToPrint [pMode]\n");
System.exit(0);
}
BasicPrint bp = null;
if (args.length < 2)
bp = new BasicPrint(args[0], null);
else
bp = new BasicPrint(args[0], args[1]);
bp.waitForDone();
System.exit(0);
} catch (Exception e) {
e.printStackTrace();
}
}
class PrintJobWatcher {
// true iff it is safe to close the print job's input stream
boolean done = false;
int lastEvent = 0;
PrintJobWatcher(DocPrintJob job) {
// Add a listener to the print job
job.addPrintJobListener(
new PrintJobAdapter() {
public void printJobRequiresAttention(PrintJobEvent pje) {
lastEvent = pje.getPrintEventType();
System.err.println("* La impresora requiere de su Atencion ! * " + pje);
// allDone();
}
public void printDataTransferCompleted(PrintJobEvent pje) {
lastEvent = pje.getPrintEventType();
System.err.println("* Transferencia de datos a la impresora OK. * " + pje);
// allDone();
}
public void printJobCanceled(PrintJobEvent pje) {
lastEvent = pje.getPrintEventType();
System.err.println("* Trabajo de impresion CANCELADO ! * " + pje);
allDone();
}
public void printJobCompleted(PrintJobEvent pje) {
lastEvent = pje.getPrintEventType();
System.err.println("* Impresion completa OK. * " + pje);
allDone();
}
public void printJobFailed(PrintJobEvent pje) {
lastEvent = pje.getPrintEventType();
System.err.println("* ERROR en la Impresion ! * " + pje);
// allDone();
}
public void printJobNoMoreEvents(PrintJobEvent pje) {
lastEvent = pje.getPrintEventType();
System.err.println("* No mas eventos de impresion * " + pje);
allDone();
}
void allDone() {
synchronized (PrintJobWatcher.this) {
done = true;
PrintJobWatcher.this.notify();
}
}
});
}
/** Description of the Method */
public synchronized void waitForDone() {
try {
while (!done) {
wait();
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
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