/**
* Reads a bit from the stream. Returns a boolean (true for 1; false for 0) if a bit is available,
* or throws an EOFException if the end of stream is reached.
*
* @return the bit that was read (true = 1; false = 0)
* @throws IOException if the stream is closed or another I/O error occurs
* @throws EOFException when the next bit cannot be read because the end of stream is reached
*/
protected boolean doReadBit() throws IOException, EOFException {
if (currentIndex
>= bitArray
.length()) // also reads a new byte from underlying stream if needed! (will also check
// for closedness)
throw new EOFException("End of stream reached");
return bitArray.get(currentIndex++);
}
/**
* The (estimated) number of bits left available for reading. Calls atEnd().
*
* @return
*/
public int bitsAvailable() throws IOException {
return bitArray.length() - currentIndex;
}
