/**
* Parse a {@link OCSPStatusRequest} from an {@link InputStream}.
*
* @param input the {@link InputStream} to parse from.
* @return a {@link OCSPStatusRequest} object.
* @throws IOException
*/
public static OCSPStatusRequest parse(InputStream input) throws IOException {
Vector responderIDList = new Vector();
{
int length = TlsUtils.readUint16(input);
if (length > 0) {
byte[] data = TlsUtils.readFully(length, input);
ByteArrayInputStream buf = new ByteArrayInputStream(data);
do {
byte[] derEncoding = TlsUtils.readOpaque16(buf);
ResponderID responderID = ResponderID.getInstance(TlsUtils.readDERObject(derEncoding));
responderIDList.addElement(responderID);
} while (buf.available() > 0);
}
}
Extensions requestExtensions = null;
{
int length = TlsUtils.readUint16(input);
if (length > 0) {
byte[] derEncoding = TlsUtils.readFully(length, input);
requestExtensions = Extensions.getInstance(TlsUtils.readDERObject(derEncoding));
}
}
return new OCSPStatusRequest(responderIDList, requestExtensions);
}
/**
* Encode this {@link OCSPStatusRequest} to an {@link OutputStream}.
*
* @param output the {@link OutputStream} to encode to.
* @throws IOException
*/
public void encode(OutputStream output) throws IOException {
if (responderIDList == null || responderIDList.isEmpty()) {
TlsUtils.writeUint16(0, output);
} else {
ByteArrayOutputStream buf = new ByteArrayOutputStream();
for (int i = 0; i < responderIDList.size(); ++i) {
ResponderID responderID = (ResponderID) responderIDList.elementAt(i);
byte[] derEncoding = responderID.getEncoded(ASN1Encoding.DER);
TlsUtils.writeOpaque16(derEncoding, buf);
}
TlsUtils.checkUint16(buf.size());
TlsUtils.writeUint16(buf.size(), output);
buf.writeTo(output);
}
if (requestExtensions == null) {
TlsUtils.writeUint16(0, output);
} else {
byte[] derEncoding = requestExtensions.getEncoded(ASN1Encoding.DER);
TlsUtils.checkUint16(derEncoding.length);
TlsUtils.writeUint16(derEncoding.length, output);
output.write(derEncoding);
}
}
