@Override
public int read(byte[] b, int off, int len) throws IOException {
int total_read = 0;
while (len > 0) {
fillBytes();
int result = currentBytes.read(b, off, len);
if (result == -1) {
return total_read == 0 ? -1 : total_read;
}
len -= result;
total_read += result;
off += result;
}
return total_read;
}
@Override
public int read() throws IOException {
fillBytes();
return currentBytes.read();
}
