@Override
public int read(ByteBuffer dst) throws IOException {
requireOpen();
buffer.limit(0);
wrapped.position(position);
int read = wrapped.read(dst);
if (read > 0) {
position += read;
}
return read;
}
@Override
public SeekableSource position(long newPosition) throws IOException {
requireArg(newPosition >= 0, "Cannot set position to a negative value");
if (newPosition != this.position) {
long newBufPosition = newPosition - position + buffer.position();
if (newBufPosition >= 0 && newBufPosition < buffer.limit()) {
buffer.position((int) newBufPosition);
} else {
buffer.limit(0);
wrapped.position(newPosition);
}
this.position = Math.min(newPosition, size);
}
return this;
}
