Examples of javax.print.attribute.PrintServiceAttributeSet

javax.print.attribute.PrintServiceAttributeSet
Interface PrintServiceAttributeSet specifies the interface for a set of print job attributes, i.e. printing attributes that implement interface {@link PrintServiceAttribute PrintServiceAttribute}. In the Print Service API, the Print Service instance uses a PrintServiceAttributeSet to report the status of the print service.
A PrintServiceAttributeSet is just an {@link AttributeSet AttributeSet}whose constructors and mutating operations guarantee an additional invariant, namely that all attribute values in the PrintServiceAttributeSet must be instances of interface {@link PrintServiceAttribute PrintServiceAttribute}. The {@link #add(Attribute) add(Attribute)}, and {@link #addAll(AttributeSet) addAll(AttributeSet)} operationsare respecified below to guarantee this additional invariant.
@author Alan Kaminsky

            return new QueuedJobCount(0);
        }
    }


    private PrintServiceAttributeSet getSysVServiceAttributes() {
        PrintServiceAttributeSet attrs = new HashPrintServiceAttributeSet();
        attrs.add(getQueuedJobCountSysV());
        attrs.add(getPrinterIsAcceptingJobsSysV());
        return attrs;
    }

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        attrs.add(getPrinterIsAcceptingJobsSysV());
        return attrs;
    }


    private PrintServiceAttributeSet getBSDServiceAttributes() {
        PrintServiceAttributeSet attrs = new HashPrintServiceAttributeSet();
        attrs.add(getQueuedJobCountBSD());
        attrs.add(getPrinterIsAcceptingJobsBSD());
        return attrs;
    }

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            return getBSDServiceAttributes();
        }
    }


    public PrintServiceAttributeSet getUpdatedAttributes() {
        PrintServiceAttributeSet currSet = getDynamicAttributes();
        if (lastSet == null) {
            lastSet = currSet;
            return AttributeSetUtilities.unmodifiableView(currSet);
        } else {
            PrintServiceAttributeSet updates =
                new HashPrintServiceAttributeSet();
            Attribute []attrs = currSet.toArray();
            Attribute attr;
            for (int i=0; i<attrs.length; i++) {
                attr = attrs[i];
                if (!lastSet.containsValue(attr)) {
                    updates.add(attr);
                }
            }
            lastSet = currSet;
            return AttributeSetUtilities.unmodifiableView(updates);
        }

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        SecurityManager security = System.getSecurityManager();
        if (security != null) {
          security.checkPrintJobAccess();
        }
        PrintRequestAttributeSet requestSet = null;
        PrintServiceAttributeSet serviceSet = null;


        if (attributes != null && !attributes.isEmpty()) {


            requestSet = new HashPrintRequestAttributeSet();
            serviceSet = new HashPrintServiceAttributeSet();


            Attribute[] attrs = attributes.toArray();
            for (int i=0; i<attrs.length; i++) {
                if (attrs[i] instanceof PrintRequestAttribute) {
                    requestSet.add(attrs[i]);
                } else if (attrs[i] instanceof PrintServiceAttribute) {
                    serviceSet.add(attrs[i]);
                }
            }
        }


        /*
         * Special case: If client is asking for a particular printer
         * (by name) then we can save time by getting just that service
         * to check against the rest of the specified attributes.
         */
        PrintService[] services = null;
        if (serviceSet != null && serviceSet.get(PrinterName.class) != null) {
            PrinterName name = (PrinterName)serviceSet.get(PrinterName.class);
            PrintService service = getPrintServiceByName(name.getValue());
            if (service == null || !matchingService(service, serviceSet)) {
                services = new PrintService[0];
            } else {
                services = new PrintService[1];

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    }




    @Override
    public PrintServiceAttributeSet getAttributes(){
        PrintServiceAttributeSet attrs = new HashPrintServiceAttributeSet();
        attrs.add(getPrinterName());
        PrinterIsAcceptingJobs acptJobs = getAttribute(PrinterIsAcceptingJobs.class);
        if(acptJobs != null){
            attrs.add(acptJobs);
        }
        PrinterState prnState = getAttribute(PrinterState.class);
        if(prnState != null){
            attrs.add(prnState);
        }
        PrinterStateReasons prnStateReasons = getAttribute(PrinterStateReasons.class);
        if(prnStateReasons != null){
            attrs.add(prnStateReasons);
        }
        QueuedJobCount jobCount = getAttribute(QueuedJobCount.class);
        if(jobCount != null){
            attrs.add(jobCount);
        }
        // TODO: Seems to be more accurate than settings.get_SupportsColor(), which doesn't work for CutePDF
        if(settings.get_DefaultPageSettings().get_Color()){
            attrs.add(ColorSupported.SUPPORTED);
        }else{
            attrs.add(ColorSupported.NOT_SUPPORTED);
        }


        return AttributeSetUtilities.unmodifiableView(attrs);
    }

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            // Print is sent
            DocFlavor psInFormat = new DocFlavor.INPUT_STREAM(printerContentType);
            InputStream bais = new ByteArrayInputStream(baos.toByteArray());
            
            Doc myDoc = new SimpleDoc(bais, psInFormat, null);
            PrintServiceAttributeSet psaset = new HashPrintServiceAttributeSet();
            if (UtilValidate.isNotEmpty(printerName)) {
                try {
                    URI printerUri = new URI(printerName);
                    PrinterURI printerUriObj = new PrinterURI(printerUri);
                    psaset.add(printerUriObj);
                } catch (URISyntaxException ue) {
                    Debug.logWarning(ue, "Invalid URI for printer [" + printerName + "]", module);
                }
            }
            //PrintService[] services = PrintServiceLookup.lookupPrintServices(psInFormat, psaset); // TODO: selecting the printer by URI seems to not work

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