Package javax.imageio.spi

A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry.

The javax.imageio.spi package contains service provider interfaces for reading, writing, and transcoding images, and obtaining image input and output streams, as well as a run-time registry that discovers installed instances of Image I/O service providers and allows new instances to be registered dynamically.

Since:: 1.4

Interface Summary
Interface	Description
RegisterableService	An optional interface that may be provided by service provider objects that will be registered with a `ServiceRegistry`.
ServiceRegistry.Filter	A simple filter interface used by `ServiceRegistry.getServiceProviders` to select providers matching an arbitrary criterion.

Class Summary
Class	Description
IIORegistry	A registry for Image I/O service provider instances.
IIOServiceProvider	A superinterface for functionality common to all Image I/O service provider interfaces (SPIs).
ImageInputStreamSpi	The service provider interface (SPI) for `ImageInputStream`s.
ImageOutputStreamSpi	The service provider interface (SPI) for `ImageOutputStream`s.
ImageReaderSpi	The service provider interface (SPI) for `ImageReader`s.
ImageReaderWriterSpi	A superclass containing instance variables and methods common to `ImageReaderSpi` and `ImageWriterSpi`.
ImageTranscoderSpi	The service provider interface (SPI) for `ImageTranscoder`s.
ImageWriterSpi	The service provider interface (SPI) for `ImageWriter`s.
ServiceRegistry	A registry for service provider instances for Image I/O service types.