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About Byron Kiourtzoglou

Byron Kiourtzoglou
Byron is a master software engineer working in the IT and Telecom domains. He is an applications developer in a wide variety of applications/services. He is currently acting as the team leader and technical architect for a proprietary service creation and integration platform for both the IT and Telecom industries in addition to a in-house big data real-time analytics solution. He is always fascinated by SOA, middleware services and mobile development. Byron is co-founder and Executive Editor at Java Code Geeks.

Use Printing Service in Java

In this example we are going to see how to use streaming printing services in a Java Desktop Application. This is very usefull when you wanto to handle print jobs inside your application.

It’s very easy to use streaming printing services in Java. All you have to do is:

  • Open a pdf file using new BufferedInputStream(new FileInputStream("myfile.pdf")).
  • Create a PDF DocFlavor.
  • Locate factories for print services that can be used with a print job to output a stream of data in the PDF format usingStreamPrintServiceFactory.lookupStreamPrintServiceFactories.
  • Get a service that can print to the specified output stream using getPrintService.
  • Create a new DocPrintJob using service.createPrintJob().
  • Print a document with the specified job attributes with printJob.print(doc, null).

Let’s see the code:

package com.javacodegeeks.snippets.desktop;

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.InputStream;

import javax.print.Doc;
import javax.print.DocFlavor;
import javax.print.DocPrintJob;
import javax.print.PrintService;
import javax.print.PrintServiceLookup;
import javax.print.SimpleDoc;
import javax.print.event.PrintJobAdapter;
import javax.print.event.PrintJobEvent;

public class UsePrintingServiceInJava {

	private static boolean jobRunning = true;

	public static void main(String[] args) throws Exception {

		// Open the image file

  InputStream is =

new BufferedInputStream(new FileInputStream("myfile.pdf"));

  // create a PDF doc flavor

  DocFlavor flavor = DocFlavor.INPUT_STREAM.PDF;

  // Locate the default print service for this environment.

  PrintService service = PrintServiceLookup.lookupDefaultPrintService();

  // Create and return a PrintJob capable of handling data from

  // any of the supported document flavors.

  DocPrintJob printJob = service.createPrintJob();

  // register a listener to get notified when the job is complete

  printJob.addPrintJobListener(new JobCompleteMonitor());

  // Construct a SimpleDoc with the specified 

  // print data, doc flavor and doc attribute set.

  Doc doc = new SimpleDoc(is, flavor, null);

  // Print a document with the specified job attributes.

  printJob.print(doc, null);

  while (jobRunning) {

  	Thread.sleep(1000);

  }

  System.out.println("Exiting app");

  is.close();

	}

	private static class JobCompleteMonitor extends PrintJobAdapter {
		@Override
		public void printJobCompleted(PrintJobEvent jobEvent) {
			System.out.println("Job completed");
			jobRunning = false;
		}
	}

}

 
This was an example on how to use Printing Service in Java.

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