/**
* Returns the next unsigned byte (see {@link InputStream#read}. {@code -1} is returned if all
* bytes have been read.
*
* @return next unsigned byte
* @throws IOException I/O exception
*/
protected int next() throws IOException {
final int blen = buffer.length;
final byte[] buf = buffer;
if (bpos >= bsize) {
if (bsize == 0 || bsize == blen) {
// reset mark if buffer is full
if (bsize == blen) bmark = -1;
// buffer is empty or full: re-fill it
bsize = 0;
bpos = 0;
}
int r;
while ((r = in.read(buf, bsize, blen - bsize)) == 0) ;
if (r < 0) return -1;
bsize += r;
read += r;
}
return buf[bpos++] & 0xFF;
}
@Override
public HTTPResponse call() throws Exception {
final HttpURLConnection hc = (HttpURLConnection) uri.toURL().openConnection();
hc.setReadTimeout(SOCKET_TIMEOUT);
try {
while (!stop) {
try {
final int code = hc.getResponseCode();
final InputStream input = hc.getInputStream();
final ByteList bl = new ByteList();
for (int i; (i = input.read()) != -1; ) bl.add(i);
return new HTTPResponse(code, bl.toString());
} catch (final SocketTimeoutException e) {
}
}
return null;
} finally {
hc.disconnect();
}
}