JavaTM 2 Platform
Std. Ed. v1.4.1

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
 
Fields inherited from class javax.imageio.spi.IIOServiceProvider
vendorName, version
 
Constructor Summary
protected ImageTranscoderSpi()
          Constructs a blank ImageTranscoderSpi.
  ImageTranscoderSpi(String vendorName, String version)
          Constructs an ImageTranscoderSpi with a given set of values.
 
Method Summary
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.

JavaTM 2 Platform
Std. Ed. v1.4.1

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.