// HSQL in memory database
DatabaseManager dbm = DatabaseManager.getDatabaseManager("users", 5, "org.hsqldb.jdbcDriver", "jdbc:hsqldb:mem:users", "sa", "");
dbm.executeUpdate("create memory table users(username varchar(30), password varchar(30), first_name varchar(40), last_name varchar(40), roles varchar(100))");
dbm.saveObject(new User("admin", "b8fOPfDKETezXTCgqbtF", "Admin", null, "admin, create, delete"));
dbm.saveObject(new User("jsmith", "njiaJzLtntWp6abHfRtU", "John", "Smith", "user"));
config.getServletContext().setAttribute("databaseManager", dbm);
}
catch (Exception e)