IIOServiceProvider JDK 1.6)

Description

publicabstract abstract class IIOServiceProvider

A superinterface for functionality common to all Image I/O service provider interfaces (SPIs).

A superinterface for functionality common to all Image I/O service
provider interfaces (SPIs). For more information on service
provider classes, see the class comment for the
IIORegistry class.

See also: IIORegistry ImageReaderSpi ImageWriterSpi ImageTranscoderSpi ImageInputStreamSpi

Constructors

public IIOServiceProvider ()

Constructs a blank IIOServiceProvider.

Constructs a blank IIOServiceProvider. It is up
to the subclass to initialize instance variables and/or
override method implementations in order to ensure that the
getVendorName and getVersion methods
will return non-null values.

public IIOServiceProvider (String vendorName, String version)

Constructs an IIOServiceProvider with a given vendor name and version identifier.

Constructs an IIOServiceProvider with a given
vendor name and version identifier.
Parameters:
- vendorName - the vendor name.
- version - a version identifier.
Throws:
- IllegalArgumentException - if vendorName is null.
- IllegalArgumentException - if version is null.

Methods

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publicabstract String getDescription (Locale locale)

Returns a brief, human-readable description of this service provider and its associated implementation.

Returns a brief, human-readable description of this service
provider and its associated implementation. The resulting
string should be localized for the supplied
Locale, if possible.
Returns: a String containing a description of this service provider.
Parameters:
- locale - a Locale for which the return value should be localized.

public String getVendorName ()

Returns the name of the vendor responsible for creating this service provider and its associated implementation.

public String getVersion ()

Returns a string describing the version number of this service provider and its associated implementation.

public void onDeregistration (ServiceRegistry registry, Class<Object> category) [Specified in RegisterableService]

A callback that will be whenever the Spi class has been deregistered from a ServiceRegistry.

Only the registry should call this method.

The default implementation does nothing.
See Also: ServiceRegistry.deregisterServiceProvider(Object provider),

public void onRegistration (ServiceRegistry registry, Class<Object> category) [Specified in RegisterableService]

A callback that will be called exactly once after the Spi class has been instantiated and registered in a ServiceRegistry.

A callback that will be called exactly once after the Spi class has been instantiated and registered in a ServiceRegistry. This may be used to verify that the environment is suitable for this service, for example that native libraries can be loaded. If the service cannot function in the environment where it finds itself, it should deregister itself from the registry.

Only the registry should call this method.

The default implementation does nothing.
See Also: ServiceRegistry.registerServiceProvider(Object provider),

Fields

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protected String vendorName

A String to be returned from getVendorName, initially null.

A String to be returned from
getVendorName, initially null.
Constructors should set this to a non-null value.

protected String version

A String to be returned from getVersion, initially null.

A String to be returned from
getVersion, initially null. Constructors should
set this to a non-null value.