@Override
public BufferedImage read(Class<? extends BufferedImage> clazz, HttpInputMessage inputMessage)
throws IOException, HttpMessageNotReadableException {
ImageInputStream imageInputStream = null;
ImageReader imageReader = null;
try {
imageInputStream = createImageInputStream(inputMessage.getBody());
MediaType contentType = inputMessage.getHeaders().getContentType();
Iterator<ImageReader> imageReaders =
ImageIO.getImageReadersByMIMEType(contentType.toString());
if (imageReaders.hasNext()) {
imageReader = imageReaders.next();
ImageReadParam irp = imageReader.getDefaultReadParam();
process(irp);
imageReader.setInput(imageInputStream, true);
return imageReader.read(0, irp);
} else {
throw new HttpMessageNotReadableException(
"Could not find javax.imageio.ImageReader for Content-Type [" + contentType + "]");
}
} finally {
if (imageReader != null) {
imageReader.dispose();
}
if (imageInputStream != null) {
try {
imageInputStream.close();
} catch (IOException ex) {
// ignore
}
}
}
}
private boolean isReadable(MediaType mediaType) {
if (mediaType == null) {
return true;
}
Iterator<ImageReader> imageReaders = ImageIO.getImageReadersByMIMEType(mediaType.toString());
return imageReaders.hasNext();
}
private BufferedImage readImage() {
Iterator<?> readersIterator = ImageIO.getImageReadersByMIMEType(fieldImageMineType);
if (readersIterator.hasNext()) {
ImageReader reader = (ImageReader) readersIterator.next();
reader.setInput(
new MemoryCacheImageInputStream(new ByteArrayInputStream(fieldOriginal)), true, true);
try {
BufferedImage image = reader.read(0);
return image;
} catch (Throwable th) {
new JLogMessage(JLogLevel.ERROR, "Fiction book image {0} cannot be decoded")
.log(th, getImageFileName());
}
}
return null;
}