Examples of javax.print.attribute.PrintRequestAttributeSet

javax.print.attribute.PrintRequestAttributeSet
Interface PrintRequestAttributeSet specifies the interface for a set of print request attributes, i.e. printing attributes that implement interface {@link PrintRequestAttribute PrintRequestAttribute}. The client uses a PrintRequestAttributeSet to specify the settings to be applied to a whole print job and to all the docs in the print job.
PrintRequestAttributeSet is just an {@link AttributeSet AttributeSet} whoseconstructors and mutating operations guarantee an additional invariant, namely that all attribute values in the PrintRequestAttributeSet must be instances of interface {@link PrintRequestAttribute PrintRequestAttribute}. The {@link #add(Attribute) add(Attribute)}, and {@link #addAll(AttributeSet) addAll(AttributeSet)} operationsare respecified below to guarantee this additional invariant.
@author Alan Kaminsky

        }
    }


    int[] convertAttributes(PrintRequestAttributeSet attrs, DocFlavor flavor)
            throws PrintException {
        PrintRequestAttributeSet attributes = null;
        if (attrs == null ||
            flavor.equals(DocFlavor.INPUT_STREAM.AUTOSENSE) ||
            flavor.equals(DocFlavor.BYTE_ARRAY.AUTOSENSE) ||
            flavor.equals(DocFlavor.URL.AUTOSENSE)) {
            int[] defaultValues = {-1, -1, -1, -1, -1, -1, -1, -1}; 
            return defaultValues;
        } else {
            attributes = attrs;
        }
        Attribute[] requestAttrs = attributes.toArray();
        int[] printAttributes = new int[ATTRIBUTES_ARRAY_SIZE];
        Arrays.fill(printAttributes, -1);
        for (int i = 0; i < requestAttrs.length; i++) {
            Class category = requestAttrs[i].getCategory();
            if (!isAttributeValueSupported(requestAttrs[i], flavor, attrs)) {

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        }


        /* Combine this PrinterJob attrs attribute set and printerAttrs set
           and resolve MediaPrintableArea/MediaMargins conflict if it is 
           needed */
        PrintRequestAttributeSet sum = 
                updateMediaAndMarginsIfNeeded(dialogAttrs);


        Rectangle screen = GraphicsEnvironment.getLocalGraphicsEnvironment().
                getDefaultScreenDevice().getDefaultConfiguration().getBounds();

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                ? wnd : new Frame());


        /* Combine this PrinterJob this.attrs attribute set and attrs set
            and resolve MediaPrintableArea/MediaMargins conflict if it is
            needed */
        PrintRequestAttributeSet sum = updateMediaAndMarginsIfNeeded(arg_attrs);


        Rectangle screen = GraphicsEnvironment.getLocalGraphicsEnvironment()
                .getDefaultScreenDevice().getDefaultConfiguration().getBounds();


        /* create and show the page dialog */
        ServiceUIDialog dialog = new ServiceUIDialog(null, 
                                                     screen.width/3,
                                                     screen.height/3,
                                                     getPrintService(),
                                                     sum,
                                                     owner);
        dialog.show();


        if (owner != wnd) {
            owner.dispose();
        }


        /* update this.attrs attribute set and result page format to return */
        if (dialog.getResult() == ServiceUIDialog.APPROVE_PRINT) {
            PrintRequestAttributeSet newattrs = dialog.getAttributes();


            if (!newattrs.containsKey(Media.class)) {
                this.attrs.remove(Media.class);
            }
            if (!newattrs.containsKey(OrientationRequested.class)) {
                this.attrs.remove(OrientationRequested.class);
            }
            if (!newattrs.containsKey(MediaPrintableArea.class)) {
                this.attrs.remove(MediaPrintableArea.class);
            }
            if (!newattrs.containsKey(MediaMargins.class)) {
                this.attrs.remove(MediaMargins.class);
            }
            this.attrs.addAll(newattrs);
            return getPageFormatForAttrs(newattrs);
        }

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     */
    protected PrintRequestAttributeSet updateMediaAndMarginsIfNeeded(
            PrintRequestAttributeSet newAttrs) {


        /* create copy of this.attrs*/
        PrintRequestAttributeSet sum = 
                new HashPrintRequestAttributeSet(this.attrs);


        /* remove MediaMargins and MediaPrintableArea attributes from the copy
           of job attributes if newAttrs contains  MediaMargins or 
           PrintableArea */
        if (newAttrs.containsKey(MediaPrintableArea.class)
                    || attrs.containsKey(MediaMargins.class)) {
            sum.remove(MediaPrintableArea.class);
            sum.remove(MediaMargins.class);
        }


        sum.addAll(newAttrs);
        return sum;
    }

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        }
    }


    int[] convertAttributes(PrintRequestAttributeSet attrs, DocFlavor flavor)
            throws PrintException {
        PrintRequestAttributeSet attributes = null;
        if (attrs == null ||
            flavor.equals(DocFlavor.INPUT_STREAM.AUTOSENSE) ||
            flavor.equals(DocFlavor.BYTE_ARRAY.AUTOSENSE) ||
            flavor.equals(DocFlavor.URL.AUTOSENSE)) {
            int[] defaultValues = {-1, -1, -1, -1, -1, -1, -1, -1}; 
            return defaultValues;
        } else {
            attributes = attrs;
        }
        Attribute[] requestAttrs = attributes.toArray();
        int[] printAttributes = new int[ATTRIBUTES_ARRAY_SIZE];
        Arrays.fill(printAttributes, -1);
        for (int i = 0; i < requestAttrs.length; i++) {
            Class category = requestAttrs[i].getCategory();
            if (!isAttributeValueSupported(requestAttrs[i], flavor, attrs)) {

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        }


        /* Combine this PrinterJob attrs attribute set and printerAttrs set
           and resolve MediaPrintableArea/MediaMargins conflict if it is 
           needed */
        PrintRequestAttributeSet sum = 
                updateMediaAndMarginsIfNeeded(dialogAttrs);


        Rectangle screen = GraphicsEnvironment.getLocalGraphicsEnvironment().
                getDefaultScreenDevice().getDefaultConfiguration().getBounds();

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                ? wnd : new Frame());


        /* Combine this PrinterJob this.attrs attribute set and attrs set
            and resolve MediaPrintableArea/MediaMargins conflict if it is
            needed */
        PrintRequestAttributeSet sum = updateMediaAndMarginsIfNeeded(arg_attrs);


        Rectangle screen = GraphicsEnvironment.getLocalGraphicsEnvironment()
                .getDefaultScreenDevice().getDefaultConfiguration().getBounds();


        /* create and show the page dialog */
        ServiceUIDialog dialog = new ServiceUIDialog(null, 
                                                     screen.width/3,
                                                     screen.height/3,
                                                     getPrintService(),
                                                     sum,
                                                     owner);
        dialog.show();


        if (owner != wnd) {
            owner.dispose();
        }


        /* update this.attrs attribute set and result page format to return */
        if (dialog.getResult() == ServiceUIDialog.APPROVE_PRINT) {
            PrintRequestAttributeSet newattrs = dialog.getAttributes();


            if (!newattrs.containsKey(Media.class)) {
                this.attrs.remove(Media.class);
            }
            if (!newattrs.containsKey(OrientationRequested.class)) {
                this.attrs.remove(OrientationRequested.class);
            }
            if (!newattrs.containsKey(MediaPrintableArea.class)) {
                this.attrs.remove(MediaPrintableArea.class);
            }
            if (!newattrs.containsKey(MediaMargins.class)) {
                this.attrs.remove(MediaMargins.class);
            }
            this.attrs.addAll(newattrs);
            return getPageFormatForAttrs(newattrs);
        }

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     */
    protected PrintRequestAttributeSet updateMediaAndMarginsIfNeeded(
            PrintRequestAttributeSet newAttrs) {


        /* create copy of this.attrs*/
        PrintRequestAttributeSet sum = 
                new HashPrintRequestAttributeSet(this.attrs);


        /* remove MediaMargins and MediaPrintableArea attributes from the copy
           of job attributes if newAttrs contains  MediaMargins or 
           PrintableArea */
        if (newAttrs.containsKey(MediaPrintableArea.class)
                    || attrs.containsKey(MediaMargins.class)) {
            sum.remove(MediaPrintableArea.class);
            sum.remove(MediaMargins.class);
        }


        sum.addAll(newAttrs);
        return sum;
    }

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        if (doc == null) {
            // Neither Printable nor Pageable specified
            throw new PrinterException(Messages.getString("awt.29A")); //$NON-NLS-1$
        }


        final PrintRequestAttributeSet attrs = mergeAttrs(attributes);
        final PrintService service = getPrintService();


        if (service == null) {
            // Printer not found
            throw new PrinterException(Messages.getString("awt.29A")); //$NON-NLS-1$

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        if (attributes == null) {
            throw new NullPointerException();
        }


        final PrintRequestAttributeSet attrs = mergeAttrs(attributes);
        final Rectangle screen = GraphicsEnvironment
                        .getLocalGraphicsEnvironment().getDefaultScreenDevice()
                        .getDefaultConfiguration().getBounds();
        final PrintService newService = ServiceUI.printDialog(null,
                        screen.width / 3, screen.height / 3,

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