public boolean addEMToJNDI(String datasourceName)
    {
        try
        {
            //DataSource ds = (DataSource) JndiContext.lookup(datasourceName);
            Ejb3Configuration ejbconf = new Ejb3Configuration();
            //ejbconf.setDataSource(ds);
            ejbconf.setProperty("hibernate.session_factory_name", "persistence.units:ear=sts-sal.ear,unitName=PU-SQLBase-SAL57094");
            ejbconf.setProperty("hibernate.connection.datasource", datasourceName);
            ejbconf.setProperty("hibernate.connection.driver_class", "jdbc.gupta.sqlbase.SqlbaseDriver");
            ejbconf.setProperty("hibernate.transaction.factory_class", "org.hibernate.ejb.transaction.JoinableCMTTransactionFactory");
            ejbconf.setProperty("hibernate.transaction.manager_lookup_class", "org.hibernate.transaction.JBossTransactionManagerLookup");
            ejbconf.setProperty("hibernate.query.jpaql_strict_compliance", "true");
            ejbconf.setProperty("hibernate.cache.provider_class", "org.hibernate.cache.HashtableCacheProvider");
            ejbconf.setProperty("hibernate.dialect", "stesud.hibernate.dialect.SQLBaseDialect");
            ejbconf.setProperty("hibernate.show_sql", "false");
            ejbconf.setProperty("hibernate.hbm2ddl.auto", "none");
            //ejbconf.setProperty("hibernate.ejb.naming_strategy", "com.fcl.greenfield.naming.FCLNamingStrategy");
            //    Find all our persistent classes from ".jar"
            JarVisitor.Filter[] filters = new JarVisitor.Filter[2];
            filters[0] = new JarVisitor.PackageFilter(false, null)
            {

                public boolean accept(String javaElementName)
                {
                    return true;
                }
            };
            filters[1] = new JarVisitor.ClassFilter(false, new Class[]{Entity.class, MappedSuperclas
s.class, Embeddable.class})
            {

                public boolean accept(String javaElementName)
                {
                    return true;
                }
            };

            //    Add all persistent classes to EJB3 config
            JarVisitor j = JarVisitor.getVisitor(Thread.currentThread().getContextClassLoader().getR
esource("sts-sal-common.jar"), filters);
            @SuppressWarnings(value = "unchecked")
            Set<JarVisitor.Entry>[] entries = (Set<JarVisitor.Entry>[]) j.getMatchingEntries();
            List<String> classes = new ArrayList<String>();
            for (int i = 0; i < entries.length; i++)
            {
                for (JarVisitor.Entry c : entries
)
                {
                    CalcLogger.getLogger().info("Found entity " + c.getName());
                    ejbconf.addAnnotatedClass(Class.forName(c.getName()));
                }
            }
            CalcLogger.getLogger().debug("Building SessionFactory => em");
            EntityManagerFactory emf = ejbconf.buildEntityManagerFactory();
            ManagedEntityManagerFactory memf = new ManagedEntityManagerFactory(emf, "test");
            InjectedEntityManagerFactory iemf = new InjectedEntityManagerFactory(memf);
            EntityManager em = iemf.createEntityManager();
            CalcLogger.getLogger().debug("Adding EntityManagers and EntityManagerFactories to JNDI");
            JndiContext.addToJndi(GlobalConstants.PU_FACTORY_HEAD_JNDI_NAME.concat("/").concat(datasourceName.substring(datasourceName.length() - 8)), iemf);
            JndiContext.addToJndi(GlobalConstants.PU_HEAD_JNDI_NAME.concat("/").concat(datasourceName.substring(datasourceName.length() - 8)), em);
            CalcLogger.getLogger().info("EntityManagers and EntityManagerFactories added to JNDI");
            return true;
        }
        catch (ClassNotFoundException ex)
        {
            CalcLogger.getLogger().log(TraceLevel.ERROR, null, ex);
            return false;
        }
        catch (IOException ex)
        {
            CalcLogger.getLogger().log(TraceLevel.ERROR, null, ex);
            return false;
        }
        catch (Exception ex)
        {
            CalcLogger.getLogger().log(TraceLevel.ERROR, null, ex);
            return false;
        }
    }