// Stream must be positioned at start of IFD for 'currIndex'
private void readMetadata() throws IIOException {
if (stream == null) {
throw new IllegalStateException("Input not set!");
}
if (imageMetadata != null) {
return;
}
try {
// Create an object to store the image metadata
List tagSets;
if (imageReadParam instanceof TIFFImageReadParam) {
tagSets = ((TIFFImageReadParam) imageReadParam).getAllowedTagSets();
} else {
tagSets = new ArrayList(1);
tagSets.add(BaselineTIFFTagSet.getInstance());
}
this.imageMetadata = new TIFFImageMetadata(tagSets);
imageMetadata.initializeFromStream(stream, ignoreMetadata);
} catch (IIOException iioe) {
throw iioe;
} catch (IOException ioe) {
throw new IIOException("I/O error reading image metadata!", ioe);
}
}
