public int read() throws IOException {
if (_currentStream == null) {
if (!_first) {
return -1;
}
ASN1OctetStringParser s = (ASN1OctetStringParser) _parser.readObject();
if (s == null) {
return -1;
}
_first = false;
_currentStream = s.getOctetStream();
}
for (; ; ) {
int b = _currentStream.read();
if (b >= 0) {
return b;
}
ASN1OctetStringParser s = (ASN1OctetStringParser) _parser.readObject();
if (s == null) {
_currentStream = null;
return -1;
}
_currentStream = s.getOctetStream();
}
}
public int read(byte[] b, int off, int len) throws IOException {
if (_currentStream == null) {
if (!_first) {
return -1;
}
ASN1OctetStringParser s = (ASN1OctetStringParser) _parser.readObject();
if (s == null) {
return -1;
}
_first = false;
_currentStream = s.getOctetStream();
}
int totalRead = 0;
for (; ; ) {
int numRead = _currentStream.read(b, off + totalRead, len - totalRead);
if (numRead >= 0) {
totalRead += numRead;
if (totalRead == len) {
return totalRead;
}
} else {
ASN1OctetStringParser aos = (ASN1OctetStringParser) _parser.readObject();
if (aos == null) {
_currentStream = null;
return totalRead < 1 ? -1 : totalRead;
}
_currentStream = aos.getOctetStream();
}
}
}
