registerBuiltinSpis();
registerApplicationClasspathSpis();
}
private void registerBuiltinSpis() {
registerServiceProvider(new JPEGImageWriterSpi());
registerServiceProvider(new JPEGImageReaderSpi());
registerServiceProvider(new PNGImageReaderSpi());
registerServiceProvider(new PNGImageWriterSpi());
registerServiceProvider(new GIFImageReaderSpi());
registerServiceProvider(new FileIOSSpi());