}
Set<JpegSegmentType> segmentTypes = new HashSet<JpegSegmentType>();
for (int i = 1; i < args.length; i++) {
JpegSegmentType segmentType = JpegSegmentType.valueOf(args[i].toUpperCase());
if (!segmentType.canContainMetadata) {
System.err.printf("WARNING: Segment type %s cannot contain metadata so it may not be necessary to extract it%n", segmentType);
}
segmentTypes.add(segmentType);
}