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  3. javax.print.attribute.PrintServiceAttribute

Java 类javax.print.attribute.PrintServiceAttribute 实例源码

项目：OpenJSharp    文件：UnixPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }

    if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：OpenJSharp    文件：Win32PrintService.java    
@Override
public <T extends PrintServiceAttribute>T getAttribute(Class<T> category){
    if(category == null){
        throw new NullPointerException("category");
    }
    if(!(PrintServiceAttribute.class.isAssignableFrom(category))){
        throw new IllegalArgumentException("The categhory '" + category + "' is not a valid PrintServiceAttribute");
    }
    if(category == ColorSupported.class){
        // works better than settings.get_SupportsColor();
        if(settings.get_DefaultPageSettings().get_Color()){
            return (T)ColorSupported.SUPPORTED;
        }else{
            return (T)ColorSupported.NOT_SUPPORTED;
        }
    }else if(category == PrinterName.class){
        return (T)getPrinterName();
    } else {
        // QueuedJobCount and PrinterIsAcceptingJobs
        return (T)peer.getPrinterStatus(printer, category);
    }
}
项目：jdk8u-jdk    文件：UnixPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }

    if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：openjdk-jdk10    文件：PSStreamPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }
    if (category == ColorSupported.class) {
        @SuppressWarnings("unchecked")
        T tmp = (T)ColorSupported.SUPPORTED;
        return tmp;
    } else {
        return null;
    }
}
项目：openjdk-jdk10    文件：UnixPrintService.java    
@SuppressWarnings("unchecked")
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }

    if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：openjdk-jdk10    文件：PrintServiceLookupProvider.java    
@SuppressWarnings("unchecked") // Cast to Class<PrintServiceAttribute>
boolean matchingService(PrintService service,
                        PrintServiceAttributeSet serviceSet) {
    if (serviceSet != null) {
        Attribute [] attrs =  serviceSet.toArray();
        Attribute serviceAttr;
        for (int i=0; i<attrs.length; i++) {
            serviceAttr
                = service.getAttribute((Class<PrintServiceAttribute>)attrs[i].getCategory());
            if (serviceAttr == null || !serviceAttr.equals(attrs[i])) {
                return false;
            }
        }
    }
    return true;
}
项目：openjdk9    文件：PSStreamPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }
    if (category == ColorSupported.class) {
        @SuppressWarnings("unchecked")
        T tmp = (T)ColorSupported.SUPPORTED;
        return tmp;
    } else {
        return null;
    }
}
项目：openjdk9    文件：UnixPrintService.java    
@SuppressWarnings("unchecked")
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }

    if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：openjdk9    文件：PrintServiceLookupProvider.java    
@SuppressWarnings("unchecked") // Cast to Class<PrintServiceAttribute>
boolean matchingService(PrintService service,
                        PrintServiceAttributeSet serviceSet) {
    if (serviceSet != null) {
        Attribute [] attrs =  serviceSet.toArray();
        Attribute serviceAttr;
        for (int i=0; i<attrs.length; i++) {
            serviceAttr
                = service.getAttribute((Class<PrintServiceAttribute>)attrs[i].getCategory());
            if (serviceAttr == null || !serviceAttr.equals(attrs[i])) {
                return false;
            }
        }
    }
    return true;
}
项目：jdk8u_jdk    文件：UnixPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }

    if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：lookaside_java-1.8.0-openjdk    文件：UnixPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }

    if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：javify    文件：IppPrintService.java    
/**
 * @see javax.print.PrintService#getAttribute(java.lang.Class)
 */
public <T extends PrintServiceAttribute> T getAttribute(Class<T> category)
{
  if (category == null)
    throw new NullPointerException("category may not be null");

  if (! PrintServiceAttribute.class.isAssignableFrom(category))
    throw new IllegalArgumentException(
       "category must be of type PrintServiceAttribute");

  Set<T> set = getPrinterAttributeSet(category);
  if (set != null && set.size() > 0)
    return set.iterator().next();

  return null;
}
项目：javify    文件：IppPrintService.java    
/**
 * @see javax.print.PrintService#getAttributes()
 */
public PrintServiceAttributeSet getAttributes()
{
  PrintServiceAttributeSet set = new HashPrintServiceAttributeSet();

  for (Set<Attribute> attrSet : printerAttr.values())
    {
      for (Attribute attr : attrSet)
        {
          if (attr instanceof PrintServiceAttribute)
            set.add(attr);
        }
    }

  return AttributeSetUtilities.unmodifiableView(set);
}
项目：jvm-stm    文件：IppPrintService.java    
/**
 * @see javax.print.PrintService#getAttribute(java.lang.Class)
 */
public PrintServiceAttribute getAttribute(Class category)
{
  if (category == null)
    throw new NullPointerException("category may not be null");

  if (! PrintServiceAttribute.class.isAssignableFrom(category))
    throw new IllegalArgumentException(
       "category must be of type PrintServiceAttribute");

  Set set = getPrinterAttributeSet(category);
  if (set != null && set.size() > 0)     
      return (PrintServiceAttribute) set.toArray()[0];

  return null;
}
项目：jvm-stm    文件：IppPrintService.java    
/**
 * @see javax.print.PrintService#getAttributes()
 */
public PrintServiceAttributeSet getAttributes()
{
  PrintServiceAttributeSet set = new HashPrintServiceAttributeSet();

  Iterator it = printerAttr.values().iterator();
  while (it.hasNext())
    {        
      Iterator it2 = ((Set) it.next()).iterator();
      while (it2.hasNext())
        {
          Attribute attr = (Attribute) it2.next();
          if (attr instanceof PrintServiceAttribute)
            set.add(attr);
        }
    }

  return AttributeSetUtilities.unmodifiableView(set);
}
项目：infobip-open-jdk-8    文件：UnixPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }

    if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：jdk8u-dev-jdk    文件：UnixPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }

    if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：jdk7-jdk    文件：UnixPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }

    if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：openjdk-source-code-learn    文件：UnixPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }

    if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：OLD-OpenJDK8    文件：UnixPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }

    if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：JamVM-PH    文件：IppPrintService.java    
/**
 * @see javax.print.PrintService#getAttribute(java.lang.Class)
 */
public PrintServiceAttribute getAttribute(Class category)
{
  if (category == null)
    throw new NullPointerException("category may not be null");

  if (! PrintServiceAttribute.class.isAssignableFrom(category))
    throw new IllegalArgumentException(
       "category must be of type PrintServiceAttribute");

  Set set = getPrinterAttributeSet(category);
  if (set != null && set.size() > 0)     
      return (PrintServiceAttribute) set.toArray()[0];

  return null;
}
项目：JamVM-PH    文件：IppPrintService.java    
/**
 * @see javax.print.PrintService#getAttributes()
 */
public PrintServiceAttributeSet getAttributes()
{
  PrintServiceAttributeSet set = new HashPrintServiceAttributeSet();

  Iterator it = printerAttr.values().iterator();
  while (it.hasNext())
    {        
      Iterator it2 = ((Set) it.next()).iterator();
      while (it2.hasNext())
        {
          Attribute attr = (Attribute) it2.next();
          if (attr instanceof PrintServiceAttribute)
            set.add(attr);
        }
    }

  return AttributeSetUtilities.unmodifiableView(set);
}
项目：zebra-zpl    文件：ZebraUtils.java    
/**
 * Function to print code Zpl to local zebra(usb)
 * 
 * @param zpl
 *            code Zpl to print
 * @param ip
 *            ip adress
 * @param port
 *            port
 * @throws ZebraPrintException
 *             if zpl could not be printed
 */
public static void printZpl(String zpl, String printerName) throws ZebraPrintException {
    try {

        PrintService psZebra = null;
        String sPrinterName = null;
        PrintService[] services = PrintServiceLookup.lookupPrintServices(null, null);

        for (int i = 0; i < services.length; i++) {
            PrintServiceAttribute attr = services[i].getAttribute(PrinterName.class);
            sPrinterName = ((PrinterName) attr).getValue();
            if (sPrinterName.toLowerCase().indexOf(printerName) >= 0) {
                psZebra = services[i];
                break;
            }
        }

        if (psZebra == null) {
            throw new ZebraPrintNotFoundException("Zebra printer not found : " + printerName);
        }
        DocPrintJob job = psZebra.createPrintJob();

        byte[] by = zpl.getBytes();
        DocFlavor flavor = DocFlavor.BYTE_ARRAY.AUTOSENSE;
        Doc doc = new SimpleDoc(by, flavor, null);
        job.print(doc, null);

    } catch (PrintException e) {
        throw new ZebraPrintException("Cannot print label on this printer : " + printerName, e);
    }
}
项目：openjdk-jdk7u-jdk    文件：UnixPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }

    if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：classpath    文件：IppPrintService.java    
/**
 * @see javax.print.PrintService#getAttribute(java.lang.Class)
 */
public <T extends PrintServiceAttribute> T getAttribute(Class<T> category)
{
  if (category == null)
    throw new NullPointerException("category may not be null");

  if (! PrintServiceAttribute.class.isAssignableFrom(category))
    throw new IllegalArgumentException(
       "category must be of type PrintServiceAttribute");

  Set<T> set = getPrinterAttributeSet(category);
  if (set != null && set.size() > 0)
    return set.iterator().next();

  return null;
}
项目：classpath    文件：IppPrintService.java    
/**
 * @see javax.print.PrintService#getAttributes()
 */
public PrintServiceAttributeSet getAttributes()
{
  PrintServiceAttributeSet set = new HashPrintServiceAttributeSet();

  for (Set<Attribute> attrSet : printerAttr.values())
    {
      for (Attribute attr : attrSet)
        {
          if (attr instanceof PrintServiceAttribute)
            set.add(attr);
        }
    }

  return AttributeSetUtilities.unmodifiableView(set);
}
项目：openjdk-icedtea7    文件：UnixPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }

    if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：OpenJSharp    文件：PSStreamPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }
    if (category == ColorSupported.class) {
        return (T)ColorSupported.SUPPORTED;
    } else {
        return null;
    }
}
项目：OpenJSharp    文件：Win32PrintServiceLookup.java    
boolean matchingService(PrintService service,
                        PrintServiceAttributeSet serviceSet) {
    if (serviceSet != null) {
        Attribute [] attrs =  serviceSet.toArray();
        Attribute serviceAttr;
        for (int i=0; i<attrs.length; i++) {
            serviceAttr
                = service.getAttribute((Class<PrintServiceAttribute>)attrs[i].getCategory());
            if (serviceAttr == null || !serviceAttr.equals(attrs[i])) {
                return false;
            }
        }
    }
    return true;
}
项目：OpenJSharp    文件：Win32PrintService.java    
public <T extends PrintServiceAttribute> T
    getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }
    if (category == ColorSupported.class) {
        int caps = getPrinterCapabilities();
        if ((caps & DEVCAP_COLOR) != 0) {
            return (T)ColorSupported.SUPPORTED;
        } else {
            return (T)ColorSupported.NOT_SUPPORTED;
        }
    } else if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：OpenJSharp    文件：UnixPrintServiceLookup.java    
private boolean matchesAttributes(PrintService service,
                                  PrintServiceAttributeSet attributes) {

    Attribute [] attrs =  attributes.toArray();
    Attribute serviceAttr;
    for (int i=0; i<attrs.length; i++) {
        serviceAttr
            = service.getAttribute((Class<PrintServiceAttribute>)attrs[i].getCategory());
        if (serviceAttr == null || !serviceAttr.equals(attrs[i])) {
            return false;
        }
    }
    return true;
}
项目：OpenJSharp    文件：Win32PrintServiceLookup.java    
boolean matchingService(PrintService service,
                        PrintServiceAttributeSet serviceSet) {
    if (serviceSet != null) {
        Attribute [] attrs =  serviceSet.toArray();
        Attribute serviceAttr;
        for (int i=0; i<attrs.length; i++) {
            serviceAttr
                = service.getAttribute((Class<PrintServiceAttribute>)attrs[i].getCategory());
            if (serviceAttr == null || !serviceAttr.equals(attrs[i])) {
                return false;
            }
        }
    }
    return true;
}
项目：jdk8u-jdk    文件：PSStreamPrintService.java    
public <T extends PrintServiceAttribute>
    T getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }
    if (category == ColorSupported.class) {
        return (T)ColorSupported.SUPPORTED;
    } else {
        return null;
    }
}
项目：jdk8u-jdk    文件：Win32PrintServiceLookup.java    
boolean matchingService(PrintService service,
                        PrintServiceAttributeSet serviceSet) {
    if (serviceSet != null) {
        Attribute [] attrs =  serviceSet.toArray();
        Attribute serviceAttr;
        for (int i=0; i<attrs.length; i++) {
            serviceAttr
                = service.getAttribute((Class<PrintServiceAttribute>)attrs[i].getCategory());
            if (serviceAttr == null || !serviceAttr.equals(attrs[i])) {
                return false;
            }
        }
    }
    return true;
}
项目：jdk8u-jdk    文件：Win32PrintService.java    
public <T extends PrintServiceAttribute> T
    getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }
    if (category == ColorSupported.class) {
        int caps = getPrinterCapabilities();
        if ((caps & DEVCAP_COLOR) != 0) {
            return (T)ColorSupported.SUPPORTED;
        } else {
            return (T)ColorSupported.NOT_SUPPORTED;
        }
    } else if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：jdk8u-jdk    文件：UnixPrintServiceLookup.java    
private boolean matchesAttributes(PrintService service,
                                  PrintServiceAttributeSet attributes) {

    Attribute [] attrs =  attributes.toArray();
    Attribute serviceAttr;
    for (int i=0; i<attrs.length; i++) {
        serviceAttr
            = service.getAttribute((Class<PrintServiceAttribute>)attrs[i].getCategory());
        if (serviceAttr == null || !serviceAttr.equals(attrs[i])) {
            return false;
        }
    }
    return true;
}
项目：openjdk-jdk10    文件：PrintServiceLookupProvider.java    
private boolean matchesAttributes(PrintService service,
                                  PrintServiceAttributeSet attributes) {

    Attribute [] attrs =  attributes.toArray();
    for (int i=0; i<attrs.length; i++) {
        @SuppressWarnings("unchecked")
        Attribute serviceAttr
            = service.getAttribute((Class<PrintServiceAttribute>)attrs[i].getCategory());
        if (serviceAttr == null || !serviceAttr.equals(attrs[i])) {
            return false;
        }
    }
    return true;
}
项目：openjdk-jdk10    文件：Win32PrintService.java    
@SuppressWarnings("unchecked")
public <T extends PrintServiceAttribute> T
    getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }
    if (category == ColorSupported.class) {
        int caps = getPrinterCapabilities();
        if ((caps & DEVCAP_COLOR) != 0) {
            return (T)ColorSupported.SUPPORTED;
        } else {
            return (T)ColorSupported.NOT_SUPPORTED;
        }
    } else if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}
项目：openjdk9    文件：PrintServiceLookupProvider.java    
private boolean matchesAttributes(PrintService service,
                                  PrintServiceAttributeSet attributes) {

    Attribute [] attrs =  attributes.toArray();
    for (int i=0; i<attrs.length; i++) {
        @SuppressWarnings("unchecked")
        Attribute serviceAttr
            = service.getAttribute((Class<PrintServiceAttribute>)attrs[i].getCategory());
        if (serviceAttr == null || !serviceAttr.equals(attrs[i])) {
            return false;
        }
    }
    return true;
}
项目：openjdk9    文件：Win32PrintService.java    
@SuppressWarnings("unchecked")
public <T extends PrintServiceAttribute> T
    getAttribute(Class<T> category)
{
    if (category == null) {
        throw new NullPointerException("category");
    }
    if (!(PrintServiceAttribute.class.isAssignableFrom(category))) {
        throw new IllegalArgumentException("Not a PrintServiceAttribute");
    }
    if (category == ColorSupported.class) {
        int caps = getPrinterCapabilities();
        if ((caps & DEVCAP_COLOR) != 0) {
            return (T)ColorSupported.SUPPORTED;
        } else {
            return (T)ColorSupported.NOT_SUPPORTED;
        }
    } else if (category == PrinterName.class) {
        return (T)getPrinterName();
    } else if (category == PrinterState.class) {
        return (T)getPrinterState();
    } else if (category == PrinterStateReasons.class) {
        return (T)getPrinterStateReasons();
    } else if (category == QueuedJobCount.class) {
        return (T)getQueuedJobCount();
    } else if (category == PrinterIsAcceptingJobs.class) {
        return (T)getPrinterIsAcceptingJobs();
    } else {
        return null;
    }
}