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Код

public class HibernateSession {
private static Logger logger = Logger.getLogger(HibernateSession.class.getName());
    public static Properties props = null;
    private static SessionFactory sessionFactory = null;
    private static final ThreadLocal threadSession = new ThreadLocal();
    private static final ThreadLocal threadTransaction = new ThreadLocal();
    static {
//#### set locale here
     Locale.setDefault(Locale.ENGLISH);
        Configuration c = new Configuration().configure();
        props = c.getProperties();
        sessionFactory = c.buildSessionFactory();
    }
    public static Properties getProperties() {
        return props;
    }
    public static Session openSession() { 
        Session s = (Session) threadSession.get();
        if (s == null) {
            s = sessionFactory.openSession();
            threadSession.set(s);
        }
        return s;
    }
    public static void closeSession() { 
        Session s = (Session) threadSession.get();
        threadSession.set(null);
        if (s != null && s.isOpen())
            s.close();
    }
    public static void beginTransaction() { 
        Transaction tx = (Transaction) threadTransaction.get();
        if (tx == null) {
            tx = openSession().beginTransaction();
            threadTransaction.set(tx);
        }
    } 
    public static void commitTransaction() { 
        Transaction tx = (Transaction) threadTransaction.get();
        if ( tx != null && !tx.wasCommitted()
             && !tx.wasRolledBack() )
            tx.commit();
        threadTransaction.set(null);
    }
    public static void rollbackTransaction() { 
        Transaction tx = (Transaction) threadTransaction.get();
        try {
            threadTransaction.set(null);
            if ( tx != null && !tx.wasCommitted()
                 && !tx.wasRolledBack() ) { 

tx.rollback();
            }
        } finally {
            closeSession();
        }
    }
    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    } 
}