@Override
public void scrubFile(FileChannel file) throws IOException, ScrubException {
if (!Machos.isMacho(file)) {
return;
}
long size = file.size();
MappedByteBuffer map = file.map(FileChannel.MapMode.READ_WRITE, 0, size);
try {
Machos.setUuid(map, ZERO_UUID);
} catch (Machos.MachoException e) {
throw new ScrubException(e.getMessage());
}
map.rewind();
Hasher hasher = Hashing.sha1().newHasher();
while (map.hasRemaining()) {
hasher.putByte(map.get());
}
map.rewind();
try {
Machos.setUuid(map, Arrays.copyOf(hasher.hash().asBytes(), 16));
} catch (Machos.MachoException e) {
throw new ScrubException(e.getMessage());
}
}