try{
JpegDirectory meta = (JpegDirectory)
(new JpegReader(f)).extract().getDirectory(JpegDirectory.class);
if(
meta != null &&
meta.containsTag(JpegDirectory.TAG_JPEG_IMAGE_HEIGHT) &&
meta.containsTag(JpegDirectory.TAG_JPEG_IMAGE_WIDTH)
){
int height = meta.getInt(JpegDirectory.TAG_JPEG_IMAGE_HEIGHT);
int width = meta.getInt(JpegDirectory.TAG_JPEG_IMAGE_WIDTH);
result = new Dimension(width, height);