Java 类javax.print.attribute.standard.Destination 实例源码

public Object getDefaultAttributeValue(Class category) {
    if (category.equals(JobName.class)) {
        return new JobName("Java GDI client print job", Locale.US);
    } else if (category.equals(RequestingUserName.class)) {
        return new RequestingUserName(System.getProperty("user.name"),
                Locale.US);
    } else if (category.equals(Destination.class)) {
        File file = new File(System.getProperty("user.dir") +
                File.separator + "output.prn");
        return new Destination(file.toURI());
    } else if (category.equals(SheetCollate.class)) {
        return SheetCollate.COLLATED;
    } else if (category.equals(Copies.class)) {
        return new Copies(1);
    }
    return null;
}

String getDestination(PrintRequestAttributeSet attrs)
        throws PrintException {
    if (attrs != null) {
        if (attrs.containsKey(Destination.class)) {
            Destination destination =
                (Destination)attrs.get(Destination.class);
            if (!destination.getURI().getScheme().equals("file")) {
                throw new PrintException(
                        "Only files supported as destinations.");
            }
            String file = destination.getURI().getPath();
            if (file.startsWith("/")) {
                file = file.substring(1);
            }
            return file;
        }
    }
    return null;
}

private Object[] getDefaultAttributeValueEx(Class category) {
    if (Destination.class.isAssignableFrom(category)) {
        return new Object[0];
    } else if (RequestingUserName.class.isAssignableFrom(category)) {
        return new Object[] { new RequestingUserName(
                (String) AccessController
                        .doPrivileged(new PrivilegedAction() {
                            public Object run() {
                                return System.getProperty("user.name");
                            }
                        }), Locale.US) };
    } else if (JobName.class.isAssignableFrom(category)) {
        return new Object[] { new JobName("Java print job", Locale.US) };
    } else if (DocumentName.class.isAssignableFrom(category)) {
        return new Object[] { new DocumentName("Java print document",
                Locale.US) };
    }
    return null;
}

private Object[] getSupportedAttributeValuesEx(Class category,
        DocFlavor flavor) {
    if (Destination.class.isAssignableFrom(category)) {
        String ms = flavor.getMediaSubtype();

        if (ms.equalsIgnoreCase("gif") || ms.equalsIgnoreCase("jpeg")
                || ms.equalsIgnoreCase("png")
                || ms.equalsIgnoreCase("postscript")
                || flavor.getClass() == DocFlavor.SERVICE_FORMATTED.class) {
            try {
                return new Object[] { new Destination(new URI(
                        "file:///foo/bar")) };
            } catch (URISyntaxException e) {
                // return empty array - values are not supported
                return new Object[0];
            }
        }
    } else if (RequestingUserName.class.isAssignableFrom(category)) {
        return new Object[] { new RequestingUserName("I.A.Muser", Locale.US) };
    } else if (JobName.class.isAssignableFrom(category)) {
        return new Object[] { new JobName("Foo print job", Locale.US) };
    } else if (DocumentName.class.isAssignableFrom(category)) {
        return new Object[] { new DocumentName("Foo document", Locale.US) };
    }
    return null;
}

public Object getDefaultAttributeValue(Class category) {
    if (category.equals(JobName.class)) {
        return new JobName("Java GDI client print job", Locale.US);
    } else if (category.equals(RequestingUserName.class)) {
        return new RequestingUserName(System.getProperty("user.name"),
                Locale.US);
    } else if (category.equals(Destination.class)) {
        File file = new File(System.getProperty("user.dir") +
                File.separator + "output.prn");
        return new Destination(file.toURI());
    } else if (category.equals(SheetCollate.class)) {
        return SheetCollate.COLLATED;
    } else if (category.equals(Copies.class)) {
        return new Copies(1);
    }
    return null;
}

String getDestination(PrintRequestAttributeSet attrs)
        throws PrintException {
    if (attrs != null) {
        if (attrs.containsKey(Destination.class)) {
            Destination destination =
                (Destination)attrs.get(Destination.class);
            if (!destination.getURI().getScheme().equals("file")) {
                throw new PrintException(
                        "Only files supported as destinations.");
            }
            String file = destination.getURI().getPath();
            if (file.startsWith("/")) {
                file = file.substring(1);
            }
            return file;
        }
    }
    return null;
}

private Object[] getDefaultAttributeValueEx(Class category) {
    if (Destination.class.isAssignableFrom(category)) {
        return new Object[0];
    } else if (RequestingUserName.class.isAssignableFrom(category)) {
        return new Object[] { new RequestingUserName(
                (String) AccessController
                        .doPrivileged(new PrivilegedAction() {
                            public Object run() {
                                return System.getProperty("user.name");
                            }
                        }), Locale.US) };
    } else if (JobName.class.isAssignableFrom(category)) {
        return new Object[] { new JobName("Java print job", Locale.US) };
    } else if (DocumentName.class.isAssignableFrom(category)) {
        return new Object[] { new DocumentName("Java print document",
                Locale.US) };
    }
    return null;
}

private Object[] getSupportedAttributeValuesEx(Class category,
        DocFlavor flavor) {
    if (Destination.class.isAssignableFrom(category)) {
        String ms = flavor.getMediaSubtype();

        if (ms.equalsIgnoreCase("gif") || ms.equalsIgnoreCase("jpeg")
                || ms.equalsIgnoreCase("png")
                || ms.equalsIgnoreCase("postscript")
                || flavor.getClass() == DocFlavor.SERVICE_FORMATTED.class) {
            try {
                return new Object[] { new Destination(new URI(
                        "file:///foo/bar")) };
            } catch (URISyntaxException e) {
                // return empty array - values are not supported
                return new Object[0];
            }
        }
    } else if (RequestingUserName.class.isAssignableFrom(category)) {
        return new Object[] { new RequestingUserName("I.A.Muser", Locale.US) };
    } else if (JobName.class.isAssignableFrom(category)) {
        return new Object[] { new JobName("Foo print job", Locale.US) };
    } else if (DocumentName.class.isAssignableFrom(category)) {
        return new Object[] { new DocumentName("Foo document", Locale.US) };
    }
    return null;
}

public Object getDefaultAttributeValue(Class category) {
    if (category.equals(JobName.class)) {
        return new JobName("Java GDI client print job", Locale.US);
    } else if (category.equals(RequestingUserName.class)) {
        return new RequestingUserName(System.getProperty("user.name"),
                Locale.US);
    } else if (category.equals(Destination.class)) {
        File file = new File(System.getProperty("user.dir") +
                File.separator + "output.prn");
        return new Destination(file.toURI());
    } else if (category.equals(SheetCollate.class)) {
        return SheetCollate.COLLATED;
    } else if (category.equals(Copies.class)) {
        return new Copies(1);
    }
    return null;
}

String getDestination(PrintRequestAttributeSet attrs)
        throws PrintException {
    if (attrs != null) {
        if (attrs.containsKey(Destination.class)) {
            Destination destination =
                (Destination)attrs.get(Destination.class);
            if (!destination.getURI().getScheme().equals("file")) {
                throw new PrintException(
                        "Only files supported as destinations.");
            }
            String file = destination.getURI().getPath();
            if (file.startsWith("/")) {
                file = file.substring(1);
            }
            return file;
        }
    }
    return null;
}

private Object[] getDefaultAttributeValueEx(Class category) {
    if (Destination.class.isAssignableFrom(category)) {
        return new Object[0];
    } else if (RequestingUserName.class.isAssignableFrom(category)) {
        return new Object[] { new RequestingUserName(
                (String) AccessController
                        .doPrivileged(new PrivilegedAction() {
                            public Object run() {
                                return System.getProperty("user.name");
                            }
                        }), Locale.US) };
    } else if (JobName.class.isAssignableFrom(category)) {
        return new Object[] { new JobName("Java print job", Locale.US) };
    } else if (DocumentName.class.isAssignableFrom(category)) {
        return new Object[] { new DocumentName("Java print document",
                Locale.US) };
    }
    return null;
}

private Object[] getSupportedAttributeValuesEx(Class category,
        DocFlavor flavor) {
    if (Destination.class.isAssignableFrom(category)) {
        String ms = flavor.getMediaSubtype();

        if (ms.equalsIgnoreCase("gif") || ms.equalsIgnoreCase("jpeg")
                || ms.equalsIgnoreCase("png")
                || ms.equalsIgnoreCase("postscript")
                || flavor.getClass() == DocFlavor.SERVICE_FORMATTED.class) {
            try {
                return new Object[] { new Destination(new URI(
                        "file:///foo/bar")) };
            } catch (URISyntaxException e) {
                // return empty array - values are not supported
                return new Object[0];
            }
        }
    } else if (RequestingUserName.class.isAssignableFrom(category)) {
        return new Object[] { new RequestingUserName("I.A.Muser", Locale.US) };
    } else if (JobName.class.isAssignableFrom(category)) {
        return new Object[] { new JobName("Foo print job", Locale.US) };
    } else if (DocumentName.class.isAssignableFrom(category)) {
        return new Object[] { new DocumentName("Foo document", Locale.US) };
    }
    return null;
}

public static void main(String[] args) throws Exception {
    PrinterJob printerJob = PrinterJob.getPrinterJob();
    printerJob.setPrintable((graphics, pageFormat, pageIndex) -> {
        if (pageIndex != 0) {
            return Printable.NO_SUCH_PAGE;
        } else {
            Shape shape = new Rectangle(110, 110, 10, 10);
            Rectangle rect = shape.getBounds();

            BufferedImage image = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice()
                    .getDefaultConfiguration().createCompatibleImage(rect.width, rect.height, Transparency.BITMASK);
            graphics.drawImage(image, rect.x, rect.y, rect.width, rect.height, null);

            return Printable.PAGE_EXISTS;
        }
    });

    File file = null;
    try {
        HashPrintRequestAttributeSet hashPrintRequestAttributeSet = new HashPrintRequestAttributeSet();
        file = File.createTempFile("out", "ps");
        file.deleteOnExit();
        Destination destination = new Destination(file.toURI());
        hashPrintRequestAttributeSet.add(destination);
        printerJob.print(hashPrintRequestAttributeSet);
    } finally {
        if (file != null) {
            file.delete();
        }
    }
}

public static void main(String[] args) throws Exception {
    PrinterJob printerJob = PrinterJob.getPrinterJob();
    printerJob.setPrintable((graphics, pageFormat, pageIndex) -> {
        if (pageIndex != 0) {
            return Printable.NO_SUCH_PAGE;
        } else {
            Shape shape = new Rectangle(110, 110, 10, 10);
            Rectangle rect = shape.getBounds();

            BufferedImage image = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice()
                    .getDefaultConfiguration().createCompatibleImage(rect.width, rect.height, Transparency.BITMASK);
            graphics.drawImage(image, rect.x, rect.y, rect.width, rect.height, null);

            return Printable.PAGE_EXISTS;
        }
    });

    File file = null;
    try {
        HashPrintRequestAttributeSet hashPrintRequestAttributeSet = new HashPrintRequestAttributeSet();
        file = File.createTempFile("out", "ps");
        file.deleteOnExit();
        Destination destination = new Destination(file.toURI());
        hashPrintRequestAttributeSet.add(destination);
        printerJob.print(hashPrintRequestAttributeSet);
    } finally {
        if (file != null) {
            file.delete();
        }
    }
}

/**
 * Starts the application.
 */
public static void main(java.lang.String[] args) {
        PrintDlgApp pd = new PrintDlgApp();
        PrinterJob pj = PrinterJob.getPrinterJob();
        System.out.println(pj);
        PrintRequestAttributeSet pSet = new HashPrintRequestAttributeSet();
        pSet.add(new Copies(1));
        //PageFormat pf = pj.pageDialog(pSet);
        PageFormat pf = new PageFormat();
        System.out.println("Setting Printable...pf = "+pf);
        if (pf == null) {
            return;
        }
        pj.setPrintable(pd,pf);

        //try { pj.setPrintService(services[0]); } catch(Exception e) { e.printStackTrace(); }
        pSet.add(new Destination(new java.io.File("./out.prn").toURI()));
        System.out.println("open PrintDialog..");
        for (int i=0; i<2; i++) {
        if (pj.printDialog(pSet)) {
                try {
                        System.out.println("About to print the data ...");
                        pj.print(pSet);
                        System.out.println("Printed");
                }
                catch (PrinterException pe) {
                        pe.printStackTrace();
                }
        }
        }

}

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());
}

/**
 * Starts the application.
 */
public static void main(java.lang.String[] args) {
        PrintDlgApp pd = new PrintDlgApp();
        PrinterJob pj = PrinterJob.getPrinterJob();
        System.out.println(pj);
        PrintRequestAttributeSet pSet = new HashPrintRequestAttributeSet();
        pSet.add(new Copies(1));
        //PageFormat pf = pj.pageDialog(pSet);
        PageFormat pf = new PageFormat();
        System.out.println("Setting Printable...pf = "+pf);
        if (pf == null) {
            return;
        }
        pj.setPrintable(pd,pf);

        //try { pj.setPrintService(services[0]); } catch(Exception e) { e.printStackTrace(); }
        pSet.add(new Destination(new java.io.File("./out.prn").toURI()));
        System.out.println("open PrintDialog..");
        for (int i=0; i<2; i++) {
        if (pj.printDialog(pSet)) {
                try {
                        System.out.println("About to print the data ...");
                        pj.print(pSet);
                        System.out.println("Printed");
                }
                catch (PrinterException pe) {
                        pe.printStackTrace();
                }
        }
        }

}

public static void main(String[] args) throws Exception {
    PrinterJob printerJob = PrinterJob.getPrinterJob();
    printerJob.setPrintable((graphics, pageFormat, pageIndex) -> {
        if (pageIndex != 0) {
            return Printable.NO_SUCH_PAGE;
        } else {
            Shape shape = new Rectangle(110, 110, 10, 10);
            Rectangle rect = shape.getBounds();

            BufferedImage image = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice()
                    .getDefaultConfiguration().createCompatibleImage(rect.width, rect.height, Transparency.BITMASK);
            graphics.drawImage(image, rect.x, rect.y, rect.width, rect.height, null);

            return Printable.PAGE_EXISTS;
        }
    });

    File file = null;
    try {
        HashPrintRequestAttributeSet hashPrintRequestAttributeSet = new HashPrintRequestAttributeSet();
        file = File.createTempFile("out", "ps");
        file.deleteOnExit();
        Destination destination = new Destination(file.toURI());
        hashPrintRequestAttributeSet.add(destination);
        printerJob.print(hashPrintRequestAttributeSet);
    } finally {
        if (file != null) {
            file.delete();
        }
    }
}

public static void main(String[] args) throws Exception {
    PrinterJob printerJob = PrinterJob.getPrinterJob();
    printerJob.setPrintable((graphics, pageFormat, pageIndex) -> {
        if (pageIndex != 0) {
            return Printable.NO_SUCH_PAGE;
        } else {
            Shape shape = new Rectangle(110, 110, 10, 10);
            Rectangle rect = shape.getBounds();

            BufferedImage image = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice()
                    .getDefaultConfiguration().createCompatibleImage(rect.width, rect.height, Transparency.BITMASK);
            graphics.drawImage(image, rect.x, rect.y, rect.width, rect.height, null);

            return Printable.PAGE_EXISTS;
        }
    });

    File file = null;
    try {
        HashPrintRequestAttributeSet hashPrintRequestAttributeSet = new HashPrintRequestAttributeSet();
        file = File.createTempFile("out", "ps");
        file.deleteOnExit();
        Destination destination = new Destination(file.toURI());
        hashPrintRequestAttributeSet.add(destination);
        printerJob.print(hashPrintRequestAttributeSet);
    } finally {
        if (file != null) {
            file.delete();
        }
    }
}

/**
 * Called to update for new selected
 * print service. Tests if currently
 * selected attributes are supported.
 */
void updateForSelectedService()
{
  PrinterMakeAndModel att1 =
    getSelectedPrintService().getAttribute(PrinterMakeAndModel.class);
  typValue.setText(att1 == null ? "" : att1.getValue());

  PrinterInfo att2 =
    getSelectedPrintService().getAttribute(PrinterInfo.class);
  infoValue.setText(att2 == null ? "" : att2.getValue());

  PrinterIsAcceptingJobs att3 =
    getSelectedPrintService().getAttribute(PrinterIsAcceptingJobs.class);
  PrinterState att4 =
    getSelectedPrintService().getAttribute(PrinterState.class);

  String status = att4.toString();
  if (att3 == PrinterIsAcceptingJobs.ACCEPTING_JOBS)
    status += " - " + getLocalizedString("lb.acceptingjobs");
  else if (att3 == PrinterIsAcceptingJobs.NOT_ACCEPTING_JOBS)
    status += " - " + getLocalizedString("lb.notacceptingjobs");

  statusValue.setText(status);

  if (categorySupported(Destination.class))
    {
      fileRedirection_cb.setEnabled(false);
    }
}

/**
 * Called to update for new selected
 * print service. Tests if currently
 * selected attributes are supported.
 */
void updateForSelectedService()
{
  PrinterMakeAndModel att1 =
    getSelectedPrintService().getAttribute(PrinterMakeAndModel.class);
  typValue.setText(att1 == null ? "" : att1.getValue());

  PrinterInfo att2 = 
    getSelectedPrintService().getAttribute(PrinterInfo.class);
  infoValue.setText(att2 == null ? "" : att2.getValue());

  PrinterIsAcceptingJobs att3 =
    getSelectedPrintService().getAttribute(PrinterIsAcceptingJobs.class);
  PrinterState att4 =
    getSelectedPrintService().getAttribute(PrinterState.class);

  String status = att4.toString();  
  if (att3 == PrinterIsAcceptingJobs.ACCEPTING_JOBS)
    status += " - " + getLocalizedString("lb.acceptingjobs");
  else if (att3 == PrinterIsAcceptingJobs.NOT_ACCEPTING_JOBS)
    status += " - " + getLocalizedString("lb.notacceptingjobs");

  statusValue.setText(status);

  if (categorySupported(Destination.class))
    {
      fileRedirection_cb.setEnabled(false);
    }
}

/** If a PDF printer is available print to it.
 *  @exception PrinterException If a printer with the string "PDF"
 * cannot be found or if the job cannot be set to the PDF print
 * service or if there is another problem printing.
 */
protected void _printPDF() throws PrinterException {
    // Find something that will print to PDF
    boolean foundPDFPrinter = false;

    PrintService pdfPrintService = null;
    PrintService printServices[] = PrinterJob.lookupPrintServices();
    for (int i = 0; i < printServices.length; i++) {
        if (printServices[i].getName().indexOf("PDF") != -1) {
            foundPDFPrinter = true;
            pdfPrintService = printServices[i];
        }
    }

    if (pdfPrintService == null) {
        throw new PrinterException("Could not find a printer with the "
                + "string \"PDF\" in its name.");
    }

    PrinterJob job = PrinterJob.getPrinterJob();
    job.setPrintService(pdfPrintService);
    job.setPrintable(plot, job.defaultPage());

    PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();
    // This gets ignored, but let's try it anyway
    Destination destination = new Destination(new File("plot.pdf").toURI());
    aset.add(destination);

    job.print(aset);
    if (foundPDFPrinter) {
        System.out
                .println("Plot printed from command line. "
                        + "Under MacOSX, look for "
                        + "~/Desktop/Java Printing.pdf");
    }
}

public Object getDefaultAttributeValue(
                final Class<? extends Attribute> category) {
    checkArgs(category, null);

    final DevmodeStructWrapper dm = getDefaultPrinterProps();

    if (JobName.class.equals(category)) {
        return DEFAULT_JOB_NAME;
    } else if (RequestingUserName.class.equals(category)) {
        return new RequestingUserName(getSystemProperty("user.name"), //$NON-NLS-1$
                        null);
    } else if (Destination.class.equals(category)) {
        File file = new File(getSystemProperty("user.dir") //$NON-NLS-1$
                        + File.separator + "output.prn"); //$NON-NLS-1$
        return new Destination(file.toURI());
    } else if (OrientationRequested.class.equals(category)) {
        return dm.getOrientation();
    } else if (Paper.class.equals(category)) {
        return getDefaultPaper();
    } else if (Media.class.equals(category)) {
        return getDefaultPaper().getSize().getMediaSizeName();
    } else if (MediaSize.class.equals(category)) {
        return getDefaultPaper().getSize();
    } else if (PrintQuality.class.equals(category)) {
        return dm.getPrintQuality();
    } else if (Sides.class.equals(category)) {
        return dm.getSides();
    } else if (Copies.class.equals(category)) {
        return dm.getCopies();
    } else if (SheetCollate.class.equals(category)) {
        return dm.getCollate();
    } else if (PrinterResolution.class.equals(category)) {
        return dm.getPrinterResolution();
    } else if (Chromaticity.class.equals(category)) {
        return dm.getChromaticity();
    }

    return null;
}

private String getDestinationPath(final PrintRequestAttributeSet attrs)
                throws PrintException {
    if (attrs != null) {
        final Destination dest = (Destination) attrs
                        .get(Destination.class);
        return dest != null ? new File(dest.getURI()).getAbsolutePath()
                        : null;
    }
    return null;
}

public Class[] getSupportedAttributeCategories() {
    ArrayList supportedCategories = new ArrayList();
    if (getCopiesSupported(serviceName) >= 1) {
        supportedCategories.add(Copies.class);
    }
    if (getSidesSupported(serviceName)) {
        supportedCategories.add(Sides.class);
    }
    if (getSupportedMediaSizeNames() != null) {
        supportedCategories.add(Media.class);
    }
    if (getResolutionsSupported(serviceName) != null) {
        supportedCategories.add(PrinterResolution.class);
    }
    if (getOrientationSupported(serviceName)) {
        supportedCategories.add(OrientationRequested.class);
    }
    if (getCollateSupported(serviceName)) {
        supportedCategories.add(SheetCollate.class);
    }
    supportedCategories.add(Chromaticity.class);
    supportedCategories.add(JobName.class);
    supportedCategories.add(RequestingUserName.class);
    supportedCategories.add(Destination.class);

    Class[] categories = new Class[supportedCategories.size()];
    supportedCategories.toArray(categories);
    return categories;
}

void filltoFileBox() {
    if (firstUse && attrs.containsKey(Destination.class)) {
        toFileBox.setSelected(true);
    }
    toFileBox.setEnabled(checkFilePermission(destPermission)
            && myService.isAttributeCategorySupported(Destination.class));
}

private void getSupportedAttributeCategoriesEx(ArrayList clazz) {
    if (!clazz.contains(Destination.class)) {
        clazz.add(Destination.class);
    }
    if (!clazz.contains(RequestingUserName.class)) {
        clazz.add(RequestingUserName.class);
    }
    if (!clazz.contains(JobName.class)) {
        clazz.add(JobName.class);
    }
    if (!clazz.contains(DocumentName.class)) {
        clazz.add(DocumentName.class);
    }
}

private boolean[] isAttributeValueSupportedEx(Attribute avalue,
        DocFlavor flavor) {
    if (Destination.class.isAssignableFrom(avalue.getCategory())) {
        String ms = (flavor != null ? flavor.getMediaSubtype() : "");
        Class cls = (flavor != null ? flavor.getClass() : null);

        if (ms.equalsIgnoreCase("gif") || ms.equalsIgnoreCase("jpeg")
                || ms.equalsIgnoreCase("png")
                || ms.equalsIgnoreCase("postscript") || flavor == null
                || cls == DocFlavor.SERVICE_FORMATTED.class) {
            if (!canPrintToFile()) {
                return new boolean[] { false };
            }

            URI uri = ((Destination) avalue).getURI();
            try {
                File file = new File(uri);

                if (file.isFile()) {
                    if (file.canWrite()) {
                        return new boolean[] { true };
                    }
                    return new boolean[] { false };
                }

                String path = file.getParent();
                File parent = new File(path);
                if (parent.isDirectory()) {
                    if (parent.canWrite()) {
                        return new boolean[] { true };
                    }
                    return new boolean[] { false };
                }
            } catch (Exception e) {
                return new boolean[] { false };
            }
        }
    }
    return null;
}

/**
 * Called to update for new selected
 * print service. Tests if currently
 * selected attributes are supported.
 */
void updateForSelectedService()
{
  PrinterMakeAndModel att1 =
    getSelectedPrintService().getAttribute(PrinterMakeAndModel.class);
  typValue.setText(att1 == null ? "" : att1.getValue());

  PrinterInfo att2 = 
    getSelectedPrintService().getAttribute(PrinterInfo.class);
  infoValue.setText(att2 == null ? "" : att2.getValue());

  PrinterIsAcceptingJobs att3 =
    getSelectedPrintService().getAttribute(PrinterIsAcceptingJobs.class);
  PrinterState att4 =
    getSelectedPrintService().getAttribute(PrinterState.class);

  String status = att4.toString();  
  if (att3 == PrinterIsAcceptingJobs.ACCEPTING_JOBS)
    status += " - " + getLocalizedString("lb.acceptingjobs");
  else if (att3 == PrinterIsAcceptingJobs.NOT_ACCEPTING_JOBS)
    status += " - " + getLocalizedString("lb.notacceptingjobs");

  statusValue.setText(status);

  if (categorySupported(Destination.class))
    {
      fileRedirection_cb.setEnabled(false);
    }
}

/** If a PDF printer is available print to it.
 *  @exception PrinterException If a printer with the string "PDF"
 * cannot be found or if the job cannot be set to the PDF print
 * service or if there is another problem printing.
 */
protected void _printPDF() throws PrinterException {
    // Find something that will print to PDF
    boolean foundPDFPrinter = false;

    PrintService pdfPrintService = null;
    PrintService printServices[] = PrinterJob.lookupPrintServices();
    for (int i = 0; i < printServices.length; i++) {
        if (printServices[i].getName().indexOf("PDF") != -1) {
            foundPDFPrinter = true;
            pdfPrintService = printServices[i];
        }
    }

    if (pdfPrintService == null) {
        throw new PrinterException("Could not find a printer with the "
                + "string \"PDF\" in its name.");
    }

    PrinterJob job = PrinterJob.getPrinterJob();
    job.setPrintService(pdfPrintService);
    job.setPrintable(plot, job.defaultPage());

    PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();
    // This gets ignored, but let's try it anyway
    Destination destination = new Destination(new File("plot.pdf").toURI());
    aset.add(destination);

    job.print(aset);
    if (foundPDFPrinter) {
        System.out
                .println("Plot printed from command line. "
                        + "Under MacOSX, look for "
                        + "~/Desktop/Java Printing.pdf");
    }
}

/**
 * Called to update for new selected
 * print service. Tests if currently
 * selected attributes are supported.
 */
void updateForSelectedService()
{
  PrinterMakeAndModel att1 =
    getSelectedPrintService().getAttribute(PrinterMakeAndModel.class);
  typValue.setText(att1 == null ? "" : att1.getValue());

  PrinterInfo att2 =
    getSelectedPrintService().getAttribute(PrinterInfo.class);
  infoValue.setText(att2 == null ? "" : att2.getValue());

  PrinterIsAcceptingJobs att3 =
    getSelectedPrintService().getAttribute(PrinterIsAcceptingJobs.class);
  PrinterState att4 =
    getSelectedPrintService().getAttribute(PrinterState.class);

  String status = att4.toString();
  if (att3 == PrinterIsAcceptingJobs.ACCEPTING_JOBS)
    status += " - " + getLocalizedString("lb.acceptingjobs");
  else if (att3 == PrinterIsAcceptingJobs.NOT_ACCEPTING_JOBS)
    status += " - " + getLocalizedString("lb.notacceptingjobs");

  statusValue.setText(status);

  if (categorySupported(Destination.class))
    {
      fileRedirection_cb.setEnabled(false);
    }
}

public Class[] getSupportedAttributeCategories() {
    ArrayList supportedCategories = new ArrayList();
    if (getCopiesSupported(serviceName) >= 1) {
        supportedCategories.add(Copies.class);
    }
    if (getSidesSupported(serviceName)) {
        supportedCategories.add(Sides.class);
    }
    if (getSupportedMediaSizeNames() != null) {
        supportedCategories.add(Media.class);
    }
    if (getResolutionsSupported(serviceName) != null) {
        supportedCategories.add(PrinterResolution.class);
    }
    if (getOrientationSupported(serviceName)) {
        supportedCategories.add(OrientationRequested.class);
    }
    if (getCollateSupported(serviceName)) {
        supportedCategories.add(SheetCollate.class);
    }
    supportedCategories.add(Chromaticity.class);
    supportedCategories.add(JobName.class);
    supportedCategories.add(RequestingUserName.class);
    supportedCategories.add(Destination.class);

    Class[] categories = new Class[supportedCategories.size()];
    supportedCategories.toArray(categories);
    return categories;
}

void filltoFileBox() {
    if (firstUse && attrs.containsKey(Destination.class)) {
        toFileBox.setSelected(true);
    }
    toFileBox.setEnabled(checkFilePermission(destPermission)
            && myService.isAttributeCategorySupported(Destination.class));
}

private void getSupportedAttributeCategoriesEx(ArrayList clazz) {
    if (!clazz.contains(Destination.class)) {
        clazz.add(Destination.class);
    }
    if (!clazz.contains(RequestingUserName.class)) {
        clazz.add(RequestingUserName.class);
    }
    if (!clazz.contains(JobName.class)) {
        clazz.add(JobName.class);
    }
    if (!clazz.contains(DocumentName.class)) {
        clazz.add(DocumentName.class);
    }
}

private boolean[] isAttributeValueSupportedEx(Attribute avalue,
        DocFlavor flavor) {
    if (Destination.class.isAssignableFrom(avalue.getCategory())) {
        String ms = (flavor != null ? flavor.getMediaSubtype() : "");
        Class cls = (flavor != null ? flavor.getClass() : null);

        if (ms.equalsIgnoreCase("gif") || ms.equalsIgnoreCase("jpeg")
                || ms.equalsIgnoreCase("png")
                || ms.equalsIgnoreCase("postscript") || flavor == null
                || cls == DocFlavor.SERVICE_FORMATTED.class) {
            if (!canPrintToFile()) {
                return new boolean[] { false };
            }

            URI uri = ((Destination) avalue).getURI();
            try {
                File file = new File(uri);

                if (file.isFile()) {
                    if (file.canWrite()) {
                        return new boolean[] { true };
                    }
                    return new boolean[] { false };
                }

                String path = file.getParent();
                File parent = new File(path);
                if (parent.isDirectory()) {
                    if (parent.canWrite()) {
                        return new boolean[] { true };
                    }
                    return new boolean[] { false };
                }
            } catch (Exception e) {
                return new boolean[] { false };
            }
        }
    }
    return null;
}

public Object getDefaultAttributeValue(
                final Class<? extends Attribute> category) {
    checkArgs(category, null);

    final DevmodeStructWrapper dm = getDefaultPrinterProps();

    if (JobName.class.equals(category)) {
        return DEFAULT_JOB_NAME;
    } else if (RequestingUserName.class.equals(category)) {
        return new RequestingUserName(getSystemProperty("user.name"), //$NON-NLS-1$
                        null);
    } else if (Destination.class.equals(category)) {
        File file = new File(getSystemProperty("user.dir") //$NON-NLS-1$
                        + File.separator + "output.prn"); //$NON-NLS-1$
        return new Destination(file.toURI());
    } else if (OrientationRequested.class.equals(category)) {
        return dm.getOrientation();
    } else if (Paper.class.equals(category)) {
        return getDefaultPaper();
    } else if (Media.class.equals(category)) {
        return getDefaultPaper().getSize().getMediaSizeName();
    } else if (MediaSize.class.equals(category)) {
        return getDefaultPaper().getSize();
    } else if (PrintQuality.class.equals(category)) {
        return dm.getPrintQuality();
    } else if (Sides.class.equals(category)) {
        return dm.getSides();
    } else if (Copies.class.equals(category)) {
        return dm.getCopies();
    } else if (SheetCollate.class.equals(category)) {
        return dm.getCollate();
    } else if (PrinterResolution.class.equals(category)) {
        return dm.getPrinterResolution();
    } else if (Chromaticity.class.equals(category)) {
        return dm.getChromaticity();
    }

    return null;
}

private String getDestinationPath(final PrintRequestAttributeSet attrs)
                throws PrintException {
    if (attrs != null) {
        final Destination dest = (Destination) attrs
                        .get(Destination.class);
        return dest != null ? new File(dest.getURI()).getAbsolutePath()
                        : null;
    }
    return null;
}

public Class[] getSupportedAttributeCategories() {
    ArrayList supportedCategories = new ArrayList();
    if (getCopiesSupported(serviceName) >= 1) {
        supportedCategories.add(Copies.class);
    }
    if (getSidesSupported(serviceName)) {
        supportedCategories.add(Sides.class);
    }
    if (getSupportedMediaSizeNames() != null) {
        supportedCategories.add(Media.class);
    }
    if (getResolutionsSupported(serviceName) != null) {
        supportedCategories.add(PrinterResolution.class);
    }
    if (getOrientationSupported(serviceName)) {
        supportedCategories.add(OrientationRequested.class);
    }
    if (getCollateSupported(serviceName)) {
        supportedCategories.add(SheetCollate.class);
    }
    supportedCategories.add(Chromaticity.class);
    supportedCategories.add(JobName.class);
    supportedCategories.add(RequestingUserName.class);
    supportedCategories.add(Destination.class);

    Class[] categories = new Class[supportedCategories.size()];
    supportedCategories.toArray(categories);
    return categories;
}

void filltoFileBox() {
    if (firstUse && attrs.containsKey(Destination.class)) {
        toFileBox.setSelected(true);
    }
    toFileBox.setEnabled(checkFilePermission(destPermission)
            && myService.isAttributeCategorySupported(Destination.class));
}

private void getSupportedAttributeCategoriesEx(ArrayList clazz) {
    if (!clazz.contains(Destination.class)) {
        clazz.add(Destination.class);
    }
    if (!clazz.contains(RequestingUserName.class)) {
        clazz.add(RequestingUserName.class);
    }
    if (!clazz.contains(JobName.class)) {
        clazz.add(JobName.class);
    }
    if (!clazz.contains(DocumentName.class)) {
        clazz.add(DocumentName.class);
    }
}