How to connect multiple database with reusing cfg.xml and util class?

I want to connect multiple databases like SQL and Oracle with different databases.So i already had MSSQL hibernate.cfg.xml and Hibernateutil class for session factory.Now i'm trying to connect oracle with different table.

Please advise can i use same cgf.xml and util class can configure oracle databases as well.

Here is util class.

public class HibernateUtil {
    private static final SessionFactory sessionFactory = buildSessionFactory();

    @SuppressWarnings("deprecation")
    private static SessionFactory buildSessionFactory()
    {
        try
        {

            SessionFactory sessionFactory = new Configuration().configure("/DAO/hibernate.cfg.xml").buildSessionFactory();
            return sessionFactory;        
        }
        catch (Throwable ex) {
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }

    public static void shutdown() {
        // Close caches and connection pools
        getSessionFactory().close();
    }

}