Class.forName(driverClass);
String jdbcURL = props.getProperty(JDBC_URL);
String user = props.getProperty(USER);
String password = props.getProperty(PASSWORD);
CredentialDao dao = new CredentialDao(jdbcURL, user, password);
TsukubaGamaCredentialManager manager =
new TsukubaGamaCredentialManagerImpl(dao);
return manager;
}