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:

Field Summary

Fields declared in class javax.imageio.spi.IIOServiceProvider

vendorName, version

Constructor Summary

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

Method Summary

Modifier and Type Method 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 declared in class javax.imageio.spi.IIOServiceProvider

getDescription, getVendorName, getVersion, onDeregistration, onRegistration

Methods declared in class java.lang.Object

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

Constructor Details

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 Details

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:

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:

createTranscoderInstance

public abstract ImageTranscoder createTranscoderInstance()
Returns an instance of the ImageTranscoder implementation associated with this service provider.
Returns:
an ImageTranscoder instance.

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https://docs.oracle.com/en/java/javase/17/docs/api/java.desktop/javax/imageio/spi/ImageTranscoderSpi.html