public TgtTicket requestTgt()

in kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/impl/AbstractInternalKrbClient.java [83:130]
42 lines of code
12 McCabe index (conditional complexity)

    public TgtTicket requestTgt(KOptions requestOptions) throws KrbException {
        AsRequest asRequest = null;
        PrincipalName clientPrincipalName = null;

        if (requestOptions.contains(KrbOption.USE_PASSWD)) {
            asRequest = new AsRequestWithPasswd(context);
        } else if (requestOptions.contains(KrbOption.USE_KEYTAB)) {
            asRequest = new AsRequestWithKeytab(context);
        } else if (requestOptions.contains(PkinitOption.USE_ANONYMOUS)) {
            asRequest = new AsRequestWithCert(context);
        } else if (requestOptions.contains(PkinitOption.USE_PKINIT)) {
            asRequest = new AsRequestWithCert(context);
        } else if (requestOptions.contains(TokenOption.USE_TOKEN)) {
            asRequest = new AsRequestWithToken(context);
        } else if (requestOptions.contains(TokenOption.USER_ID_TOKEN)) {
            asRequest = new AsRequestWithToken(context);
        }

        if (asRequest == null) {
            throw new IllegalArgumentException(
                    "No valid krb client request option found");
        }

        if (requestOptions.contains(KrbOption.CLIENT_PRINCIPAL)) {
            String clientPrincipalString = requestOptions.getStringOption(KrbOption.CLIENT_PRINCIPAL);
            clientPrincipalString = fixPrincipal(clientPrincipalString);
            clientPrincipalName = new PrincipalName(clientPrincipalString);
            if (requestOptions.contains(PkinitOption.USE_ANONYMOUS)) {
                clientPrincipalName.setNameType(NameType.NT_WELLKNOWN);
            }
            asRequest.setClientPrincipal(clientPrincipalName);
        }

        if (requestOptions.contains(KrbOption.SERVER_PRINCIPAL)) {
            String serverPrincipalString = requestOptions.getStringOption(KrbOption.SERVER_PRINCIPAL);
            serverPrincipalString = fixPrincipal(serverPrincipalString);
            PrincipalName serverPrincipalName = new PrincipalName(serverPrincipalString, NameType.NT_PRINCIPAL);
            asRequest.setServerPrincipal(serverPrincipalName);
        } else if (clientPrincipalName != null) {
            String realm = clientPrincipalName.getRealm();
            PrincipalName serverPrincipalName = KrbUtil.makeTgsPrincipal(realm);
            asRequest.setServerPrincipal(serverPrincipalName);
        }

        asRequest.setRequestOptions(requestOptions);

        return doRequestTgt(asRequest);
    }