@VisibleForTesting
static Sha1HashCode computeAbiKey(ImmutableSortedMap<String, HashCode> classNames) {
Hasher hasher = Hashing.sha1().newHasher();
for (Map.Entry<String, HashCode> entry : classNames.entrySet()) {
hasher.putUnencodedChars(entry.getKey());
hasher.putByte((byte) 0);
hasher.putUnencodedChars(entry.getValue().toString());
hasher.putByte((byte) 0);
}
return Sha1HashCode.fromHashCode(hasher.hash());
}
@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());
}
}
@Override
public int read() throws IOException {
int b = in.read();
if (b != -1) {
for (Hasher hasher : hashers.values()) {
hasher.putByte((byte) b);
}
count++;
}
return b;
}
private Builder separate() {
hasher.putByte(SEPARATOR);
return this;
}