@Override
public synchronized void mark(int readlimit) {
super.mark(readlimit);
if (markSupported()) {
markedStreamPosition = streamPosition;
markedBlockPosition = blockPosition;
}
}
@Override
public void mark(int readlimit) {
super.mark(readlimit);
if (markSupported()) {
try {
digestLastMarked = (MessageDigest) digest.clone();
} catch (CloneNotSupportedException e) { // should never occur
throw new IllegalStateException("unexpected", e);
}
}
}