Java Code Examples for javax.print.PrintServiceLookup#lookupPrintServices()

protected static PrintService lookupDefaultPrintService() {
    PrintService service = PrintServiceLookup.lookupDefaultPrintService();

    /* Pageable implies Printable so checking both isn't strictly needed */
    if (service != null &&
        service.isDocFlavorSupported(
                            DocFlavor.SERVICE_FORMATTED.PAGEABLE) &&
        service.isDocFlavorSupported(
                            DocFlavor.SERVICE_FORMATTED.PRINTABLE)) {
        return service;
    } else {
       PrintService []services =
         PrintServiceLookup.lookupPrintServices(
                            DocFlavor.SERVICE_FORMATTED.PAGEABLE, null);
       if (services.length > 0) {
           return services[0];
       }
    }
    return null;
}
 

protected static PrintService lookupDefaultPrintService() {
    PrintService service = PrintServiceLookup.lookupDefaultPrintService();

    /* Pageable implies Printable so checking both isn't strictly needed */
    if (service != null &&
        service.isDocFlavorSupported(
                            DocFlavor.SERVICE_FORMATTED.PAGEABLE) &&
        service.isDocFlavorSupported(
                            DocFlavor.SERVICE_FORMATTED.PRINTABLE)) {
        return service;
    } else {
       PrintService []services =
         PrintServiceLookup.lookupPrintServices(
                            DocFlavor.SERVICE_FORMATTED.PAGEABLE, null);
       if (services.length > 0) {
           return services[0];
       }
    }
    return null;
}
 

private static void printTest() {
    ServiceDlgSheetCollateTest pd = new ServiceDlgSheetCollateTest();
    DocFlavor flavor = DocFlavor.INPUT_STREAM.JPEG;
    //DocFlavor flavor = DocFlavor.SERVICE_FORMATTED.PRINTABLE;
    PrintService defService = null, service[] = null;
    defService = PrintServiceLookup.lookupDefaultPrintService();
    service = PrintServiceLookup.lookupPrintServices(flavor, null);

    if ((service == null) || (service.length == 0)) {
        throw new RuntimeException("No Printer services found");
    }
    if (defService != null) {
        System.out.println("\nDefault print service: " + service );
        System.out.println("is flavor: "+flavor+" supported? "+
                        defService.isDocFlavorSupported(flavor));
        System.out.println("is SheetCollate category supported? "+
              defService.isAttributeCategorySupported(SheetCollate.class));
        System.out.println("is SheetCollate.COLLATED value supported ? "+
              defService.isAttributeValueSupported(SheetCollate.COLLATED,
                                                        flavor, null));
    }
    HashPrintRequestAttributeSet prSet = new HashPrintRequestAttributeSet();
    try {
        PrintService selService = ServiceUI.printDialog(null, 200, 200, service, defService, flavor, prSet);
    } catch (IllegalArgumentException ia) {
        System.out.println("Exception thrown : " + ia);
    }

    System.out.println("\nSelected Values\n");
    Attribute attr[] = prSet.toArray();
    for (int x = 0; x < attr.length; x ++) {
        System.out.println("Attribute: " + attr[x].getName() + " Value: " + attr[x]);
    }

}
 

public static void main(String[] args) {
    PrintService[] services = PrintServiceLookup.lookupPrintServices(null, null);
    for(final PrintService service: services) {
        Thread thread = new Thread() {
            public void run() {
                service.getSupportedAttributeValues(Media.class, null, null);
            }
        };
        thread.start();
    }
}
 

public static void main(String[] args) throws Exception {
   String os = System.getProperty("os.name").toLowerCase();
   System.out.println("OS is " + os);
   if (!os.equals("linux")) {
       System.out.println("Linux specific test. No need to continue");
       return;
   }
   PrintService services[] =
       PrintServiceLookup.lookupPrintServices(null, null);
   if (services.length > 0) {
      System.out.println("Services found. No need to test further.");
      return;
   }
   String[] lpcmd = { "lpstat", "-a" };
   Process proc = Runtime.getRuntime().exec(lpcmd);
   proc.waitFor();
   InputStreamReader ir = new InputStreamReader(proc.getInputStream());
   BufferedReader br = new BufferedReader(ir);
   int count = 0;
   String printer;
   while ((printer = br.readLine()) != null) {
      System.out.println("lpstat:: " + printer);
      count++;
   }
   if (count > 0) {
       throw new RuntimeException("Services exist, but not found by JDK.");
   }
}
 

public static void main(String[] args) throws Exception {
  for (PrintService service : PrintServiceLookup.lookupPrintServices(null, null)) {
    String serviceName = service.getName();
    PrintService serviceByName = lookupByName(serviceName);
    if (!service.equals(serviceByName)) {
      throw new RuntimeException("NOK " + serviceName
                                 + " expected: " + service.getClass().getName()
                                 + " got: " + serviceByName.getClass().getName());
    }
  }
  System.out.println("Test PASSED");
}
 

public static void main(String[] args) throws Exception {
   String os = System.getProperty("os.name").toLowerCase();
   System.out.println("OS is " + os);
   if (!os.equals("linux")) {
       System.out.println("Linux specific test. No need to continue");
       return;
   }
   PrintService services[] =
       PrintServiceLookup.lookupPrintServices(null, null);
   if (services.length > 0) {
      System.out.println("Services found. No need to test further.");
      return;
   }
   String[] lpcmd = { "lpstat", "-a" };
   Process proc = Runtime.getRuntime().exec(lpcmd);
   proc.waitFor();
   InputStreamReader ir = new InputStreamReader(proc.getInputStream());
   BufferedReader br = new BufferedReader(ir);
   int count = 0;
   String printer;
   while ((printer = br.readLine()) != null) {
      System.out.println("lpstat:: " + printer);
      count++;
   }
   if (count > 0) {
       throw new RuntimeException("Services exist, but not found by JDK.");
   }
}
 

public static void main(String[] args) throws Exception {
  for (PrintService service : PrintServiceLookup.lookupPrintServices(null, null)) {
    String serviceName = service.getName();
    PrintService serviceByName = lookupByName(serviceName);
    if (!service.equals(serviceByName)) {
      throw new RuntimeException("NOK " + serviceName
                                 + " expected: " + service.getClass().getName()
                                 + " got: " + serviceByName.getClass().getName());
    }
  }
  System.out.println("Test PASSED");
}
 

private static void printTest() {
    PrintService defService = null, service[] = null;
    HashPrintRequestAttributeSet prSet = new HashPrintRequestAttributeSet();
    DocFlavor flavor = DocFlavor.INPUT_STREAM.JPEG;

    service = PrintServiceLookup.lookupPrintServices(flavor, null);
    defService = PrintServiceLookup.lookupDefaultPrintService();

    if ((service == null) || (service.length == 0)) {
        throw new RuntimeException("No Printer services found");
    }
    File f = new File("output.ps");
    Destination d = new Destination(f.toURI());
    prSet.add(d);
    if (defService != null) {
        System.out.println("isAttrCategory Supported? " +
                defService.isAttributeCategorySupported(Destination.class));
        System.out.println("isAttrValue Supported? " +
                defService.isAttributeValueSupported(d, flavor, null));
    }

    defService = ServiceUI.printDialog(null, 100, 100, service, defService,
            flavor, prSet);

    ServiceUI.printDialog(null, 100, 100, service, defService,
            DocFlavor.SERVICE_FORMATTED.PAGEABLE,
            new HashPrintRequestAttributeSet());
}
 

static void trial() {
    PrintService pserv1 = PrintServiceLookup.lookupDefaultPrintService();
    PrintService[] pservs = PrintServiceLookup.lookupPrintServices(null, null);
    PrintService pserv2 = PrintServiceLookup.lookupDefaultPrintService();

    if ((pserv1 == null) || (pserv2==null)) {
        return;
    }

    if (pserv1.hashCode() != pserv2.hashCode()) {
        throw new RuntimeException("Different hashCodes for equal print "
                        + "services: " + pserv1.hashCode() + " "
                        + pserv2.hashCode());
    }
}
 

private static List<ServiceItem> collectPrinterList() {
    PrintService[] printServices = PrintServiceLookup.lookupPrintServices(null, null);
    List<ServiceItem> list = new ArrayList<>(printServices.length);
    for (PrintService service : printServices) {
        list.add(new ServiceItem(service.getName()));
    }
    return list;
}
 

public static void main(String[] args) throws Exception {
  for (PrintService service : PrintServiceLookup.lookupPrintServices(null, null)) {
    String serviceName = service.getName();
    PrintService serviceByName = lookupByName(serviceName);
    if (!service.equals(serviceByName)) {
      throw new RuntimeException("NOK " + serviceName
                                 + " expected: " + service.getClass().getName()
                                 + " got: " + serviceByName.getClass().getName());
    }
  }
  System.out.println("Test PASSED");
}
 

public static void main(String[] args) throws Exception {
   String os = System.getProperty("os.name").toLowerCase();
   System.out.println("OS is " + os);
   if (!os.equals("linux")) {
       System.out.println("Linux specific test. No need to continue");
       return;
   }
   PrintService services[] =
       PrintServiceLookup.lookupPrintServices(null, null);
   if (services.length > 0) {
      System.out.println("Services found. No need to test further.");
      return;
   }
   String[] lpcmd = { "lpstat", "-a" };
   Process proc = Runtime.getRuntime().exec(lpcmd);
   proc.waitFor();
   InputStreamReader ir = new InputStreamReader(proc.getInputStream());
   BufferedReader br = new BufferedReader(ir);
   int count = 0;
   String printer;
   while ((printer = br.readLine()) != null) {
      System.out.println("lpstat:: " + printer);
      count++;
   }
   if (count > 0) {
       throw new RuntimeException("Services exist, but not found by JDK.");
   }
}
 

static void trial() {
    PrintService pserv1 = PrintServiceLookup.lookupDefaultPrintService();
    PrintService[] pservs = PrintServiceLookup.lookupPrintServices(null, null);
    PrintService pserv2 = PrintServiceLookup.lookupDefaultPrintService();

    if ((pserv1 == null) || (pserv2==null)) {
        return;
    }

    if (pserv1.hashCode() != pserv2.hashCode()) {
        throw new RuntimeException("Different hashCodes for equal print "
                        + "services: " + pserv1.hashCode() + " "
                        + pserv2.hashCode());
    }
}
 

public static void main(String[] args) {
    PrintService[] services = PrintServiceLookup.lookupPrintServices(null, null);
    for(final PrintService service: services) {
        Thread thread = new Thread() {
            public void run() {
                service.getSupportedAttributeValues(Media.class, null, null);
            }
        };
        thread.start();
    }
}
 

public static void main(String[] args) throws Exception {
  for (PrintService service : PrintServiceLookup.lookupPrintServices(null, null)) {
    String serviceName = service.getName();
    PrintService serviceByName = lookupByName(serviceName);
    if (!service.equals(serviceByName)) {
      throw new RuntimeException("NOK " + serviceName
                                 + " expected: " + service.getClass().getName()
                                 + " got: " + serviceByName.getClass().getName());
    }
  }
  System.out.println("Test PASSED");
}
 

public static void main(String[] args) {
    PrintService[] services = PrintServiceLookup.lookupPrintServices(null, null);
    for(final PrintService service: services) {
        Thread thread = new Thread() {
            public void run() {
                service.getSupportedAttributeValues(Media.class, null, null);
            }
        };
        thread.start();
    }
}
 

public static String[] getPrintNames() {
    PrintService[] pservices = 
            PrintServiceLookup.lookupPrintServices(DocFlavor.SERVICE_FORMATTED.PRINTABLE , null);
    
    String printers[] = new String[pservices.length];
    for (int i = 0; i < pservices.length; i++) {    
        printers[i] = pservices[i].getName();
    }
    
    return printers;
}
 

/**
 * A convenience method which looks up 2D print services.
 * Services returned from this method may be installed on
 * {@code PrinterJob}s which support print services.
 * Calling this method is equivalent to calling
 * {@link javax.print.PrintServiceLookup#lookupPrintServices(
 * DocFlavor, AttributeSet)
 * PrintServiceLookup.lookupPrintServices()}
 * and specifying a Pageable DocFlavor.
 * @return a possibly empty array of 2D print services.
 * @since     1.4
 */
public static PrintService[] lookupPrintServices() {
    return PrintServiceLookup.
        lookupPrintServices(DocFlavor.SERVICE_FORMATTED.PAGEABLE, null);
}
 

/**
 * A convenience method which looks up 2D print services.
 * Services returned from this method may be installed on
 * <code>PrinterJob</code>s which support print services.
 * Calling this method is equivalent to calling
 * {@link javax.print.PrintServiceLookup#lookupPrintServices(
 * DocFlavor, AttributeSet)
 * PrintServiceLookup.lookupPrintServices()}
 * and specifying a Pageable DocFlavor.
 * @return a possibly empty array of 2D print services.
 * @since     1.4
 */
public static PrintService[] lookupPrintServices() {
    return PrintServiceLookup.
        lookupPrintServices(DocFlavor.SERVICE_FORMATTED.PAGEABLE, null);
}