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

/**
 * Writes an attribute in TextSyntax into the stream.
 * <p>
 * By default attributes are qritten as TEXT_WITHOUT_LANGUAGE value-tag.
 * As some attributes in the JPS are TextSyntax attributes but actually
 * of NAME value-tag in IPP this method checks for these attributes and
 * writes them as NAME_WITHOUT_LANGUAGE value-tag into the stream.
 * </p>
 *
 * @param attribute the attribute
 * @param out the stream to write to
 * @throws IOException if thrown by the stream
 */
private void write(TextSyntax attribute) throws IOException
{
  // We only use *WithoutLanguage, correct according to spec.
  String name = ((Attribute) attribute).getName();

  if (attribute instanceof RequestingUserName
      || attribute instanceof JobName
      || attribute instanceof DocumentName
      || attribute instanceof JobOriginatingUserName)
    out.writeByte(IppValueTag.NAME_WITHOUT_LANGUAGE);
  else if (attribute instanceof DocumentFormat)
    out.writeByte(IppValueTag.MIME_MEDIA_TYPE);
  else
    out.writeByte(IppValueTag.TEXT_WITHOUT_LANGUAGE);

  out.writeShort(name.length());
  out.write(name.getBytes());
  out.writeShort(attribute.getValue().length());
  out.write(attribute.getValue().getBytes());
}

/**
 * Writes an attribute in TextSyntax into the stream.
 * <p>
 * By default attributes are qritten as TEXT_WITHOUT_LANGUAGE value-tag.
 * As some attributes in the JPS are TextSyntax attributes but actually
 * of NAME value-tag in IPP this method checks for these attributes and
 * writes them as NAME_WITHOUT_LANGUAGE value-tag into the stream.
 * </p>
 * 
 * @param attribute the attribute
 * @param out the stream to write to
 * @throws IOException if thrown by the stream
 */
private void write(TextSyntax attribute) throws IOException
{
  // We only use *WithoutLanguage, correct according to spec.
  String name = ((Attribute) attribute).getName();

  if (attribute instanceof RequestingUserName
      || attribute instanceof JobName
      || attribute instanceof DocumentName
      || attribute instanceof JobOriginatingUserName)
    out.writeByte(IppValueTag.NAME_WITHOUT_LANGUAGE);
  else if (attribute instanceof DocumentFormat)
    out.writeByte(IppValueTag.MIME_MEDIA_TYPE);
  else
    out.writeByte(IppValueTag.TEXT_WITHOUT_LANGUAGE);

  out.writeShort(name.length());
  out.write(name.getBytes());
  out.writeShort(attribute.getValue().length());
  out.write(attribute.getValue().getBytes());     
}

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;
}

void fillUserNameField() {
    boolean flg = 
        myService.isAttributeCategorySupported(RequestingUserName.class);
    userNameTxt.setEnabled(flg);
    userNameLabel.setEnabled(flg);

    if (firstUse && attrs.containsKey(RequestingUserName.class)) {
        userNameTxt.setText(((TextSyntax) 
                attrs.get(RequestingUserName.class)).getValue());
    }

    if (flg && (userNameTxt.getText().length() <= 0)) {
        RequestingUserName defaul = (RequestingUserName) (myService
                .getDefaultAttributeValue(RequestingUserName.class));
        userNameTxt.setText(defaul==null ? "" : (String) (defaul.getValue()));
    }
}

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;
}

/**
 * Writes an attribute in TextSyntax into the stream.
 * <p>
 * By default attributes are qritten as TEXT_WITHOUT_LANGUAGE value-tag.
 * As some attributes in the JPS are TextSyntax attributes but actually
 * of NAME value-tag in IPP this method checks for these attributes and
 * writes them as NAME_WITHOUT_LANGUAGE value-tag into the stream.
 * </p>
 * 
 * @param attribute the attribute
 * @param out the stream to write to
 * @throws IOException if thrown by the stream
 */
private void write(TextSyntax attribute) throws IOException
{
  // We only use *WithoutLanguage, correct according to spec.
  String name = ((Attribute) attribute).getName();

  if (attribute instanceof RequestingUserName
      || attribute instanceof JobName
      || attribute instanceof DocumentName
      || attribute instanceof JobOriginatingUserName)
    out.writeByte(IppValueTag.NAME_WITHOUT_LANGUAGE);
  else if (attribute instanceof DocumentFormat)
    out.writeByte(IppValueTag.MIME_MEDIA_TYPE);
  else
    out.writeByte(IppValueTag.TEXT_WITHOUT_LANGUAGE);

  out.writeShort(name.length());
  out.write(name.getBytes());
  out.writeShort(attribute.getValue().length());
  out.write(attribute.getValue().getBytes());     
}

/**
 * Writes an attribute in TextSyntax into the stream.
 * <p>
 * By default attributes are qritten as TEXT_WITHOUT_LANGUAGE value-tag.
 * As some attributes in the JPS are TextSyntax attributes but actually
 * of NAME value-tag in IPP this method checks for these attributes and
 * writes them as NAME_WITHOUT_LANGUAGE value-tag into the stream.
 * </p>
 *
 * @param attribute the attribute
 * @param out the stream to write to
 * @throws IOException if thrown by the stream
 */
private void write(TextSyntax attribute) throws IOException
{
  // We only use *WithoutLanguage, correct according to spec.
  String name = ((Attribute) attribute).getName();

  if (attribute instanceof RequestingUserName
      || attribute instanceof JobName
      || attribute instanceof DocumentName
      || attribute instanceof JobOriginatingUserName)
    out.writeByte(IppValueTag.NAME_WITHOUT_LANGUAGE);
  else if (attribute instanceof DocumentFormat)
    out.writeByte(IppValueTag.MIME_MEDIA_TYPE);
  else
    out.writeByte(IppValueTag.TEXT_WITHOUT_LANGUAGE);

  out.writeShort(name.length());
  out.write(name.getBytes());
  out.writeShort(attribute.getValue().length());
  out.write(attribute.getValue().getBytes());
}

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;
}

void fillUserNameField() {
    boolean flg = 
        myService.isAttributeCategorySupported(RequestingUserName.class);
    userNameTxt.setEnabled(flg);
    userNameLabel.setEnabled(flg);

    if (firstUse && attrs.containsKey(RequestingUserName.class)) {
        userNameTxt.setText(((TextSyntax) 
                attrs.get(RequestingUserName.class)).getValue());
    }

    if (flg && (userNameTxt.getText().length() <= 0)) {
        RequestingUserName defaul = (RequestingUserName) (myService
                .getDefaultAttributeValue(RequestingUserName.class));
        userNameTxt.setText(defaul==null ? "" : (String) (defaul.getValue()));
    }
}

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;
}

void fillUserNameField() {
    boolean flg = 
        myService.isAttributeCategorySupported(RequestingUserName.class);
    userNameTxt.setEnabled(flg);
    userNameLabel.setEnabled(flg);

    if (firstUse && attrs.containsKey(RequestingUserName.class)) {
        userNameTxt.setText(((TextSyntax) 
                attrs.get(RequestingUserName.class)).getValue());
    }

    if (flg && (userNameTxt.getText().length() <= 0)) {
        RequestingUserName defaul = (RequestingUserName) (myService
                .getDefaultAttributeValue(RequestingUserName.class));
        userNameTxt.setText(defaul==null ? "" : (String) (defaul.getValue()));
    }
}

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;
}

final public void focusLost(FocusEvent objPfocusEvent) {
    final Object objLsourceObject = objPfocusEvent.getSource();

    if (objLsourceObject == this.objGjobNameJTextField) {
        this.objGprintJDialog.getAttributes().add(new JobName(this.objGjobNameJTextField.getText(), Locale.getDefault()));
    } else if (objLsourceObject == this.objGuserNameJTextField) {
        this.objGprintJDialog.getAttributes().add(new RequestingUserName(this.objGuserNameJTextField.getText(), Locale.getDefault()));
    }
}

private void updateTextfields(FocusEvent event)
{
  if (event.getSource() == jobname_tf)
      atts.add(new JobName(jobname_tf.getText(), null));
  else
      atts.add(new RequestingUserName(username_tf.getText(), null));
}

private void updateTextfields(FocusEvent event)
{
  if (event.getSource() == jobname_tf)
      atts.add(new JobName(jobname_tf.getText(), null));
  else
      atts.add(new RequestingUserName(username_tf.getText(), 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;
}

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;
}

private void updateUserName() {
    if (userNameTxt.isEnabled()) {
        String name = userNameTxt.getText();
        if (name.length() == 0) {
            removeAttribute(RequestingUserName.class);
        } else {
            newAttrs.add(new RequestingUserName(name, Locale.getDefault()));
        }
    } else {
        removeAttribute(RequestingUserName.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 void updateTextfields(FocusEvent event)
{
  if (event.getSource() == jobname_tf)
      atts.add(new JobName(jobname_tf.getText(), null));
  else
      atts.add(new RequestingUserName(username_tf.getText(), null));
}

private void updateTextfields(FocusEvent event)
{
  if (event.getSource() == jobname_tf)
      atts.add(new JobName(jobname_tf.getText(), null));
  else
      atts.add(new RequestingUserName(username_tf.getText(), 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;
}

private void updateUserName() {
    if (userNameTxt.isEnabled()) {
        String name = userNameTxt.getText();
        if (name.length() == 0) {
            removeAttribute(RequestingUserName.class);
        } else {
            newAttrs.add(new RequestingUserName(name, Locale.getDefault()));
        }
    } else {
        removeAttribute(RequestingUserName.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);
    }
}

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;
}

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;
}

private void updateUserName() {
    if (userNameTxt.isEnabled()) {
        String name = userNameTxt.getText();
        if (name.length() == 0) {
            removeAttribute(RequestingUserName.class);
        } else {
            newAttrs.add(new RequestingUserName(name, Locale.getDefault()));
        }
    } else {
        removeAttribute(RequestingUserName.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);
    }
}

/**
 * @see javax.print.PrintService#getDefaultAttributeValue(java.lang.Class)
 */
public Object getDefaultAttributeValue(Class<? extends Attribute> category)
{
  // required attributes
  if (category.equals(Fidelity.class))
    return Fidelity.FIDELITY_FALSE;
  if (category.equals(JobName.class))
    return JOB_NAME;
  if (category.equals(RequestingUserName.class))
    return REQUESTING_USER_NAME;

  // optional attributes
  if (category.equals(JobPriority.class)
      && printerAttr.containsKey(JobPriorityDefault.class))
    return getPrinterDefaultAttribute(JobPriorityDefault.class);
  if (category.equals(JobHoldUntil.class)
      && printerAttr.containsKey(JobHoldUntilDefault.class))
    return getPrinterDefaultAttribute(JobHoldUntilDefault.class);
  if (category.equals(JobSheets.class)
      && printerAttr.containsKey(JobSheetsDefault.class))
    return getPrinterDefaultAttribute(JobSheetsDefault .class);
  if (category.equals(MultipleDocumentHandling.class)
      && printerAttr.containsKey(MultipleDocumentHandlingDefault.class))
    return getPrinterDefaultAttribute(MultipleDocumentHandlingDefault.class);
  if (category.equals(Copies.class)
      && printerAttr.containsKey(CopiesDefault.class))
    return getPrinterDefaultAttribute(CopiesDefault.class);
  if (category.equals(Finishings.class)
      && printerAttr.containsKey(FinishingsDefault.class))
    return getPrinterDefaultAttribute(FinishingsDefault.class);
  if (category.equals(Sides.class)
      && printerAttr.containsKey(SidesDefault.class))
    return getPrinterDefaultAttribute(SidesDefault.class);
  if (category.equals(NumberUp.class)
      && printerAttr.containsKey(NumberUpDefault.class))
    return getPrinterDefaultAttribute(NumberUpDefault.class);
  if (category.equals(OrientationRequested.class)
      && printerAttr.containsKey(OrientationRequestedDefault.class))
    return getPrinterDefaultAttribute(OrientationRequestedDefault.class);
  if (category.equals(Media.class)
      && printerAttr.containsKey(MediaDefault.class))
    return getPrinterDefaultAttribute(MediaDefault.class);
  if (category.equals(PrinterResolution.class)
      && printerAttr.containsKey(PrinterResolutionDefault.class))
    return getPrinterDefaultAttribute(PrinterResolutionDefault.class);
  if (category.equals(PrintQuality.class)
      && printerAttr.containsKey(PrintQualityDefault.class))
    return getPrinterDefaultAttribute(PrintQualityDefault.class);
  if (category.equals(Compression.class)
      && printerAttr.containsKey(CompressionSupported.class))
    return Compression.NONE;
  if (category.equals(PageRanges.class))
    return new PageRanges(1, Integer.MAX_VALUE);

  return null;
}

/**
 * @see javax.print.PrintService#getSupportedAttributeCategories()
 */
public Class<?>[] getSupportedAttributeCategories()
{
  Set<Class<? extends Attribute>> categories =
    new HashSet<Class<? extends Attribute>>();

  // Should only be job template attributes as of section 4.2
  if (printerAttr.containsKey(JobPrioritySupported.class))
    categories.add(JobPriority.class);
  if (printerAttr.containsKey(JobHoldUntilSupported.class))
    categories.add(JobHoldUntil.class);
  if (printerAttr.containsKey(JobSheetsSupported.class))
    categories.add(JobSheets.class);
  if (printerAttr.containsKey(MultipleDocumentHandlingSupported.class))
    categories.add(MultipleDocumentHandling.class);
  if (printerAttr.containsKey(CopiesSupported.class))
    categories.add(Copies.class);
  if (printerAttr.containsKey(FinishingsSupported.class))
    {
      // if only none finishing is supported - it does not count as supported
      Set<FinishingsSupported> set = getPrinterAttributeSet(FinishingsSupported.class);
      if (! (set.size() == 1 && set.contains(FinishingsSupported.NONE)))
        categories.add(Finishings.class);
    }
  if (printerAttr.containsKey(PageRangesSupported.class))
    categories.add(PageRanges.class);
  if (printerAttr.containsKey(SidesSupported.class))
    categories.add(Sides.class);
  if (printerAttr.containsKey(NumberUpSupported.class))
    categories.add(NumberUp.class);
  if (printerAttr.containsKey(OrientationRequestedSupported.class))
    categories.add(OrientationRequested.class);
  if (printerAttr.containsKey(MediaSupported.class))
    categories.add(Media.class);
  if (printerAttr.containsKey(PrinterResolutionSupported.class))
    categories.add(PrinterResolution.class);
  if (printerAttr.containsKey(PrintQualitySupported.class))
    categories.add(PrintQuality.class);

  // Chromaticity, Destination, MediaPrintableArea,
  // SheetCollate, PresentationDirection - not IPP attributes

  // attributes outside section 4.2
  if (printerAttr.containsKey(CompressionSupported.class))
    categories.add(Compression.class);
  if (printerAttr.containsKey(JobImpressionsSupported.class))
    categories.add(JobImpressions.class);
  if (printerAttr.containsKey(JobKOctetsSupported.class))
    categories.add(JobKOctets.class);
  if (printerAttr.containsKey(JobMediaSheetsSupported.class))
    categories.add(JobMediaSheets.class);

  // always supported as required by IPP specification
  categories.add(Fidelity.class);
  categories.add(JobName.class);
  categories.add(RequestingUserName.class);

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

/**
 * @see javax.print.PrintService#getDefaultAttributeValue(java.lang.Class)
 */
public Object getDefaultAttributeValue(Class category)
{ 
  // required attributes
  if (category.equals(Fidelity.class))
    return Fidelity.FIDELITY_FALSE;    
  if (category.equals(JobName.class))
    return JOB_NAME;
  if (category.equals(RequestingUserName.class))
    return REQUESTING_USER_NAME;

  // optional attributes
  if (category.equals(JobPriority.class) 
      && printerAttr.containsKey(JobPriorityDefault.class))
    return getPrinterDefaultAttribute(JobPriorityDefault.class);
  if (category.equals(JobHoldUntil.class) 
      && printerAttr.containsKey(JobHoldUntilDefault.class))
    return getPrinterDefaultAttribute(JobHoldUntilDefault.class);
  if (category.equals(JobSheets.class) 
      && printerAttr.containsKey(JobSheetsDefault.class))
    return getPrinterDefaultAttribute(JobSheetsDefault .class);
  if (category.equals(MultipleDocumentHandling.class) 
      && printerAttr.containsKey(MultipleDocumentHandlingDefault.class))
    return getPrinterDefaultAttribute(MultipleDocumentHandlingDefault.class);
  if (category.equals(Copies.class) 
      && printerAttr.containsKey(CopiesDefault.class))
    return getPrinterDefaultAttribute(CopiesDefault.class);
  if (category.equals(Finishings.class) 
      && printerAttr.containsKey(FinishingsDefault.class))
    return getPrinterDefaultAttribute(FinishingsDefault.class);
  if (category.equals(Sides.class) 
      && printerAttr.containsKey(SidesDefault.class))
    return getPrinterDefaultAttribute(SidesDefault.class);
  if (category.equals(NumberUp.class) 
      && printerAttr.containsKey(NumberUpDefault.class))
    return getPrinterDefaultAttribute(NumberUpDefault.class);
  if (category.equals(OrientationRequested.class) 
      && printerAttr.containsKey(OrientationRequestedDefault.class))
    return getPrinterDefaultAttribute(OrientationRequestedDefault.class);
  if (category.equals(Media.class) 
      && printerAttr.containsKey(MediaDefault.class))
    return getPrinterDefaultAttribute(MediaDefault.class);
  if (category.equals(PrinterResolution.class) 
      && printerAttr.containsKey(PrinterResolutionDefault.class))
    return getPrinterDefaultAttribute(PrinterResolutionDefault.class);
  if (category.equals(PrintQuality.class) 
      && printerAttr.containsKey(PrintQualityDefault.class))
    return getPrinterDefaultAttribute(PrintQualityDefault.class);
  if (category.equals(Compression.class) 
      && printerAttr.containsKey(CompressionSupported.class))
    return Compression.NONE;
  if (category.equals(PageRanges.class))
    return new PageRanges(1, Integer.MAX_VALUE);

  return null; 
}

/**
 * @see javax.print.PrintService#getSupportedAttributeCategories()
 */
public Class[] getSupportedAttributeCategories()
{
  Set categories = new HashSet();

  // Should only be job template attributes as of section 4.2    
  if (printerAttr.containsKey(JobPrioritySupported.class))
    categories.add(JobPriority.class);
  if (printerAttr.containsKey(JobHoldUntilSupported.class))
    categories.add(JobHoldUntil.class);
  if (printerAttr.containsKey(JobSheetsSupported.class))
    categories.add(JobSheets.class);
  if (printerAttr.containsKey(MultipleDocumentHandlingSupported.class))
    categories.add(MultipleDocumentHandling.class);    
  if (printerAttr.containsKey(CopiesSupported.class))
    categories.add(Copies.class);
  if (printerAttr.containsKey(FinishingsSupported.class))
    {
      // if only none finishing is supported - it does not count as supported
      Set set = getPrinterAttributeSet(FinishingsSupported.class);        
      if (! (set.size() == 1 && set.contains(FinishingsSupported.NONE)))          
        categories.add(Finishings.class);
    }
  if (printerAttr.containsKey(PageRangesSupported.class))
    categories.add(PageRanges.class);
  if (printerAttr.containsKey(SidesSupported.class))
    categories.add(Sides.class);
  if (printerAttr.containsKey(NumberUpSupported.class))
    categories.add(NumberUp.class);
  if (printerAttr.containsKey(OrientationRequestedSupported.class))
    categories.add(OrientationRequested.class);
  if (printerAttr.containsKey(MediaSupported.class))
    categories.add(Media.class);
  if (printerAttr.containsKey(PrinterResolutionSupported.class))
    categories.add(PrinterResolution.class);
  if (printerAttr.containsKey(PrintQualitySupported.class))
    categories.add(PrintQuality.class);

  // Chromaticity, Destination, MediaPrintableArea, 
  // SheetCollate, PresentationDirection - not IPP attributes

  // attributes outside section 4.2   
  if (printerAttr.containsKey(CompressionSupported.class))
    categories.add(Compression.class);
  if (printerAttr.containsKey(JobImpressionsSupported.class))
    categories.add(JobImpressions.class);
  if (printerAttr.containsKey(JobKOctetsSupported.class))
    categories.add(JobKOctets.class);
  if (printerAttr.containsKey(JobMediaSheetsSupported.class))
    categories.add(JobMediaSheets.class);

  // always supported as required by IPP specification
  categories.add(Fidelity.class);
  categories.add(JobName.class);
  categories.add(RequestingUserName.class);

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

@Override
public String getUserName() {
    return ((TextSyntax) attributes.get(RequestingUserName.class))
            .getValue();
}

public String getUserName() {
    return attrs.containsKey(RequestingUserName.class) 
           ? ((RequestingUserName)(attrs.get(RequestingUserName.class))).
                    getValue()
           : null;
}

public void testIsAttributeValueSupported() throws Exception {
    System.out
            .println("============= START GetUnsupportedAttributesTest ================");

    PrintService[] services;
    DocFlavor[] flavors = new DocFlavor[] { DocFlavor.INPUT_STREAM.GIF,
            DocFlavor.INPUT_STREAM.POSTSCRIPT,
            DocFlavor.INPUT_STREAM.TEXT_PLAIN_US_ASCII };

    services = PrintServiceLookup.lookupPrintServices(null, null);
    TestUtil.checkServices(services);
    if (services.length > 0) {
        for (int i = 0, ii = services.length; i < ii; i++) {
            System.out.println("----------- " + services[i].getName()
                    + "----------");

            URI uri = null;
            try {
                uri = new URI("file:///c:/no/such/dir/print.out");
                //uri = File.createTempFile("xxx", null).toURI();
            } catch (URISyntaxException e) {
                fail();
            }

            AttributeSet attrs = new HashAttributeSet();
            attrs.add(Finishings.EDGE_STITCH);
            attrs.add(MediaSizeName.JAPANESE_DOUBLE_POSTCARD);
            attrs.add(new Destination(uri));
            attrs.add(new DocumentName("Doc X", Locale.US));
            attrs.add(new JobName("Job Y", Locale.US));
            attrs.add(new RequestingUserName("User Z", Locale.US));

            for (int j = 0; j < flavors.length; j++) {
                if (services[i].isDocFlavorSupported(flavors[j])) {
                    AttributeSet aset = services[i]
                            .getUnsupportedAttributes(flavors[j], attrs);
                    if (aset == null) {
                        fail("At least one attribute is unsupported");
                    }
                    if (aset != null) {
                        Attribute[] aarr = aset.toArray();
                        System.out
                                .println("Usupported attributes fo DocFlavor "
                                        + flavors[j]);
                        for (int k = 0, kk = aarr.length; k < kk; k++) {
                            System.out.println("\t" + aarr[k]);
                        }
                    }
                }
            }
        }
    }

    System.out
            .println("============= END GetUnsupportedAttributesTest ================");
}

@Override
public String getUserName() {
    final RequestingUserName name = (RequestingUserName) attributes
                    .get(RequestingUserName.class);
    return name != null ? name.getValue() : null;
}