public String ssoLogin(String samlAssertionXML) throws KeyManagementException, UnrecoverableKeyException, NoSuchAlgorithmException, KeyStoreException, VCloudException {
        String token = null;
        VcloudClient.setLogLevel(Level.ALL);
        VcloudClient vcloudClient = new VcloudClient("https://vcdurl", version);
        vcloudClient.registerScheme("https", 443, FakeSSLSocketFactory.getInstance());        
        vcloudClient.ssoLogin(samlAssertionXML, "samltest");
        token = vCloudClient.getVcloudToken();
        if (token == null) {
            logger.log(Level.SEVERE, "Authentication failure to vCloud: {0}", connectionParameter.getvCloudURL());
        } else {
            // Set default session timeout
            vCloudClient.setConnectionTimeout(SESSION_TIMEOUT);
            logger.log(Level.INFO, "Authentication succeeded to vCloud: {0}", connectionParameter.getvCloudURL());
        }
        return token;

    }