Java 类javax.print.event.PrintServiceAttributeEvent 实例源码

/**
 * Print Service Attribute Listener.
 * 
 * @param psae event
 */
@Override
public void attributeUpdate(PrintServiceAttributeEvent psae)
{
    /**
     * PrintEvent on Win32 Printer : \\MAIN\HP LaserJet 5L
     * PrintServiceAttributeSet - length=2
     * queued-job-count = 0 (class javax.print.attribute.standard.QueuedJobCount)
     * printer-is-accepting-jobs = accepting-jobs (class javax.print.attribute.standard.PrinterIsAcceptingJobs)
     * PrintEvent on Win32 Printer : \\MAIN\HP LaserJet 5L
     * PrintServiceAttributeSet - length=1
     * queued-job-count = 1 (class javax.print.attribute.standard.QueuedJobCount)
     * PrintEvent on Win32 Printer : \\MAIN\HP LaserJet 5L
     * PrintServiceAttributeSet - length=1
     * queued-job-count = 0 (class javax.print.attribute.standard.QueuedJobCount)
     **/
    log.debug("attributeUpdate - " + psae);
    // PrintUtil.dump (psae.getAttributes());
}

private void notifyListeners(final PrintServiceAttribute... attrs) {
    final PrintServiceAttributeEvent event = new PrintServiceAttributeEvent(
                    this, new HashPrintServiceAttributeSet(attrs));
    for (PrintServiceAttributeListener listener : attrListeners.keySet()) {
        listener.attributeUpdate(event);
    }
}

public void run() {
    try {
        running = true;
        while (running) {
            Thread.sleep(1000);

            for (int i = 0; i < services.size(); i++) {
                PrintService service = (PrintService)services.get(i);
                PrintServiceAttributeSet lastSet =
                    (PrintServiceAttributeSet)attributes.get(service);
                PrintServiceAttributeSet newSet = service.getAttributes();
                if (!lastSet.equals(newSet)) {
                    PrintServiceAttributeSet updated =
                        getUpdatedAttributeSet(lastSet, newSet);
                    if (updated.size() > 0) {
                        PrintServiceAttributeEvent event =
                            new PrintServiceAttributeEvent(service,updated);
                        ArrayList serviceListeners =
                            (ArrayList)listeners.get(service);
                        for (int j = 0; j < serviceListeners.size(); j++) {
                            PrintServiceAttributeListener listener =
                                (PrintServiceAttributeListener)
                                serviceListeners.get(j);
                            listener.attributeUpdate(event);
                        }
                    }
                }
            }
        }
    } catch (InterruptedException ie) {
        // EventNotifier interrupted.
        running = false;
    }
}

public void run() {
    try {
        running = true;
        while (running) {
            Thread.sleep(1000);

            for (int i = 0; i < services.size(); i++) {
                PrintService service = (PrintService)services.get(i);
                PrintServiceAttributeSet lastSet =
                    (PrintServiceAttributeSet)attributes.get(service);
                PrintServiceAttributeSet newSet = service.getAttributes();
                if (!lastSet.equals(newSet)) {
                    PrintServiceAttributeSet updated =
                        getUpdatedAttributeSet(lastSet, newSet);
                    if (updated.size() > 0) {
                        PrintServiceAttributeEvent event =
                            new PrintServiceAttributeEvent(service,updated);
                        ArrayList serviceListeners =
                            (ArrayList)listeners.get(service);
                        for (int j = 0; j < serviceListeners.size(); j++) {
                            PrintServiceAttributeListener listener =
                                (PrintServiceAttributeListener)
                                serviceListeners.get(j);
                            listener.attributeUpdate(event);
                        }
                    }
                }
            }
        }
    } catch (InterruptedException ie) {
        // EventNotifier interrupted.
        running = false;
    }
}

private void notifyListeners(final PrintServiceAttribute... attrs) {
    final PrintServiceAttributeEvent event = new PrintServiceAttributeEvent(
                    this, new HashPrintServiceAttributeSet(attrs));
    for (PrintServiceAttributeListener listener : attrListeners.keySet()) {
        listener.attributeUpdate(event);
    }
}

public void run() {
    try {
        running = true;
        while (running) {
            Thread.sleep(1000);

            for (int i = 0; i < services.size(); i++) {
                PrintService service = (PrintService)services.get(i);
                PrintServiceAttributeSet lastSet =
                    (PrintServiceAttributeSet)attributes.get(service);
                PrintServiceAttributeSet newSet = service.getAttributes();
                if (!lastSet.equals(newSet)) {
                    PrintServiceAttributeSet updated =
                        getUpdatedAttributeSet(lastSet, newSet);
                    if (updated.size() > 0) {
                        PrintServiceAttributeEvent event =
                            new PrintServiceAttributeEvent(service,updated);
                        ArrayList serviceListeners =
                            (ArrayList)listeners.get(service);
                        for (int j = 0; j < serviceListeners.size(); j++) {
                            PrintServiceAttributeListener listener =
                                (PrintServiceAttributeListener)
                                serviceListeners.get(j);
                            listener.attributeUpdate(event);
                        }
                    }
                }
            }
        }
    } catch (InterruptedException ie) {
        // EventNotifier interrupted.
        running = false;
    }
}