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javax.print
Class PrintServiceLookup
java.lang.Objectjavax.print.PrintServiceLookup
- public abstract class PrintServiceLookup
- extends java.lang.Object
PrintServiceLookup implementations provide a way to lookup
print services based on different constraints.
Implementations are located and loaded automatically through the SPI JAR file specification. Therefore implementation classes must provide a default constructor for instantiation. Furthermore, applications are able to register further instances directly at runtime.
If an SecurityManager is installed implementors should call
checkPrintJobAccess() to disable access for untrusted code.
This check is to be made in every lookup service implementation for
flexibility. Print services registered by applications through
registerService(PrintService) are suppressed in the
lookup results if a security manager is installed and disallows access.
| Field Summary | |
private static java.util.HashSet |
printServiceLookups
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private static java.util.HashSet |
printServices
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private static gnu.javax.print.CupsPrintServiceLookup |
systemProvider
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| Constructor Summary | |
PrintServiceLookup()
Constructs a PrintServiceLookup object. |
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| Method Summary | |
abstract PrintService |
getDefaultPrintService()
Not to be called directly by applications. |
abstract MultiDocPrintService[] |
getMultiDocPrintServices(DocFlavor[] flavors,
javax.print.attribute.AttributeSet attributes)
Not to be called directly by applications. |
abstract PrintService[] |
getPrintServices()
Not to be called directly by applications. |
abstract PrintService[] |
getPrintServices(DocFlavor flavor,
javax.print.attribute.AttributeSet attributes)
Not to be called directly by applications. |
static PrintService |
lookupDefaultPrintService()
Searches the default print service in the current environment. |
static MultiDocPrintService[] |
lookupMultiDocPrintServices(DocFlavor[] flavors,
javax.print.attribute.AttributeSet attributes)
Searches print services capable of multi document printing in all of the given document flavors and supporting the specified printing attributes. |
static PrintService[] |
lookupPrintServices(DocFlavor flavor,
javax.print.attribute.AttributeSet attributes)
Searches print services capable of printing in the given document flavor which supports the specified printing attributes. |
static boolean |
registerService(PrintService service)
Explicitly registers the provided print service instance. |
static boolean |
registerServiceProvider(PrintServiceLookup sp)
Explicitly registers the provided print service lookup implementation. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
systemProvider
private static final gnu.javax.print.CupsPrintServiceLookup systemProvider
printServices
private static final java.util.HashSet printServices
printServiceLookups
private static final java.util.HashSet printServiceLookups
| Constructor Detail |
PrintServiceLookup
public PrintServiceLookup()
- Constructs a
PrintServiceLookupobject.
| Method Detail |
registerServiceProvider
public static boolean registerServiceProvider(PrintServiceLookup sp)
- Explicitly registers the provided print service lookup implementation.
The registration will silently fail (returning
false) if the lookup service is already registered or the registration somehow else fails.
registerService
public static boolean registerService(PrintService service)
- Explicitly registers the provided print service instance.
The registration will silently fail (returning
false) if the print service instance is already registered or the registration somehow else fails.
lookupPrintServices
public static final PrintService[] lookupPrintServices(DocFlavor flavor, javax.print.attribute.AttributeSet attributes)
- Searches print services capable of printing in the given document flavor
which supports the specified printing attributes.
lookupMultiDocPrintServices
public static final MultiDocPrintService[] lookupMultiDocPrintServices(DocFlavor[] flavors, javax.print.attribute.AttributeSet attributes)
- Searches print services capable of multi document printing in all of the
given document flavors and supporting the specified printing attributes.
lookupDefaultPrintService
public static final PrintService lookupDefaultPrintService()
- Searches the default print service in the current environment.
If multiple lookup services are registered and each has a default print service the result is not specified. Usually the default print service of the native platform lookup service is returned.
The GNU classpath implementation will return the CUPS default printing service as the default print service, if available.
The default print service may be overriden by users through the property
javax.print.defaultPrinter. A service specified must be found to be returned as the default.
getDefaultPrintService
public abstract PrintService getDefaultPrintService()
- Not to be called directly by applications.
getMultiDocPrintServices
public abstract MultiDocPrintService[] getMultiDocPrintServices(DocFlavor[] flavors, javax.print.attribute.AttributeSet attributes)
- Not to be called directly by applications.
getPrintServices
public abstract PrintService[] getPrintServices()
- Not to be called directly by applications.
getPrintServices
public abstract PrintService[] getPrintServices(DocFlavor flavor, javax.print.attribute.AttributeSet attributes)
- Not to be called directly by applications.
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