@Override
public String createCredential(String gatewayId, String tokenId,
String username) throws RegException {
try {
credentialWriter = new SSHCredentialWriter(getDBConnector());
credentialGenerator = new SSHCredentialGenerator();
SSHCredential credential = credentialGenerator.generateCredential(tokenId);
if (credential!=null) {
credential.setGateway(gatewayId);
credential.setToken(tokenId);
credential.setPortalUserName(username);