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javax.imageio.spi
Class ImageTranscoderSpi

java.lang.Object
  javax.imageio.spi.IIOServiceProvider
      javax.imageio.spi.ImageTranscoderSpi

All Implemented Interfaces:

RegisterableService

public abstract class ImageTranscoderSpi
extends IIOServiceProvider

The service provider interface (SPI) for ImageTranscoders. For more information on service provider classes, see the class comment for the IIORegistry class.

See Also:

IIORegistry, ImageTranscoder

Field Summary

Modifier and Type	Field and Description

Fields inherited from class javax.imageio.spi.IIOServiceProvider

vendorName, version

Constructor Summary

Modifier	Constructor and Description
protected	ImageTranscoderSpi() Constructs a blank ImageTranscoderSpi.
	ImageTranscoderSpi(String vendorName, String version) Constructs an ImageTranscoderSpi with a given set of values.

Method Summary

Modifier and Type	Method and Description
abstract ImageTranscoder	createTranscoderInstance() Returns an instance of the ImageTranscoder implementation associated with this service provider.
abstract String	getReaderServiceProviderName() Returns the fully qualified class name of an ImageReaderSpi class that generates IIOMetadata objects that may be used as input to this transcoder.
abstract String	getWriterServiceProviderName() Returns the fully qualified class name of an ImageWriterSpi class that generates IIOMetadata objects that may be used as input to this transcoder.

Methods inherited from class javax.imageio.spi.IIOServiceProvider

getDescription, getVendorName, getVersion, onDeregistration, onRegistration

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ImageTranscoderSpi

protected ImageTranscoderSpi()

Constructs a blank ImageTranscoderSpi. It is up to the subclass to initialize instance variables and/or override method implementations in order to provide working versions of all methods.

ImageTranscoderSpi

public ImageTranscoderSpi(String vendorName,
                          String version)

Constructs an ImageTranscoderSpi with a given set of values.

Parameters:

vendorName - the vendor name.

version - a version identifier.

Method Detail

getReaderServiceProviderName

public abstract String getReaderServiceProviderName()

Returns the fully qualified class name of an ImageReaderSpi class that generates IIOMetadata objects that may be used as input to this transcoder.

Returns:

a String containing the fully-qualified class name of the ImageReaderSpi implementation class.

See Also:

ImageReaderSpi

getWriterServiceProviderName

public abstract String getWriterServiceProviderName()

Returns the fully qualified class name of an ImageWriterSpi class that generates IIOMetadata objects that may be used as input to this transcoder.

Returns:

a String containing the fully-qualified class name of the ImageWriterSpi implementation class.

See Also:

ImageWriterSpi

createTranscoderInstance

public abstract ImageTranscoder createTranscoderInstance()

Returns an instance of the ImageTranscoder implementation associated with this service provider.

Returns:

an ImageTranscoder instance.