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POCan't print file to printer using java applet
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  1. POCan't print file to printer using java applet
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    copied!<p>i have created java applet class, to print text file to printer, but when i running this program is nothing happend, in my printer status is no activity...</p> <p>this is my applet code (print function) : </p> <pre><code>public void testPrintDoPrivileged(){ AccessController.doPrivileged(new PrivilegedAction() { @Override public Object run() { FileInputStream textStream; try{ textStream = new FileInputStream("D:\\email_address.txt"); DocFlavor myFormat = DocFlavor.INPUT_STREAM.AUTOSENSE; Doc myDoc = new SimpleDoc(textStream, myFormat, null); PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet(); aset.add(new Copies(1)); aset.add(Sides.ONE_SIDED); PrintService printService = PrintServiceLookup.lookupDefaultPrintService(); System.out.println("Printing to default printer: "+ printService.getName()); DocPrintJob job = printService.createPrintJob(); job.print(myDoc, aset); } catch( FileNotFoundException e1){ e1.printStackTrace(System.out); System.err.println(e1); } catch (PrintException ex) { System.err.println(ex); } return null; } }); } </code></pre> <p>and then by accident, i unplug my usb printer, then i try to test print again... in my printer(offline now) status is show a pending document.</p> <p>this is the picture : <img src="https://i.stack.imgur.com/42Dfa.jpg" alt="this is in offline printer(usb cable unplug)"></p> <p>there something wrong in my code or else..?.</p> <p>sorry for my english...</p> <p>thank you before...</p> <p><strong>Edit :</strong> </p> <p>the problem is in <em>DocFlavor</em>.</p> <p>my code running well in linux OS...</p> <p>because linux have much DocFlavor support...</p> <p>i use this code to check DocFlavor:</p> <pre><code>PrintService printServices = PrintServiceLookup.lookupDefaultPrintService(); DocFlavor[] docF = printServices.getSupportedDocFlavors(); for(int i = 0; i &lt; docF.length; i++){ System.out.println(docF[i].getMimeType()); } </code></pre>
 

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