Belhard.DesignPatterns.IoC.DbConnectionModule.Load C# (CSharp) Метод

        public override void Load()
        {
            string dbConnectionType = ConfigurationManager.AppSettings["dbConnectionType"];
            if (string.IsNullOrWhiteSpace(dbConnectionType))
            {
                throw new ConfigurationErrorsException("You need to specify value for 'dbConnectionType' key inside <appSettings>");
            }

            string connectionString = ConfigurationManager.AppSettings["dbConnectionString"];
            if (string.IsNullOrWhiteSpace(connectionString))
            {
                throw new ConfigurationErrorsException("You need to specify value for 'dbConnectionString' key inside <appSettings>");
            }
            connectionString = connectionString.Replace("$DbRoot$", GetDbRootFolder());

            Type t = typeof(IDbConnection).Assembly.GetType(dbConnectionType, false);
            if (t == null)
            {
                throw new ConfigurationErrorsException(String.Format("Unable to create type '{0}' from assembly '{1}'", dbConnectionType, typeof(IDbConnection).Assembly.FullName));
            }

            if (!typeof(IDbConnection).IsAssignableFrom(t))
            {
                throw new ConfigurationErrorsException(String.Format("Type '{0}' must implement System.Data.IDbConnection interface", dbConnectionType));
            }

            Kernel.Bind<IDbConnection>().To(t).WithConstructorArgument("connectionString", connectionString);
        }