private function bootAdapters()
	{
		// include all adapters
		foreach (glob(__DIR__ . DS . 'Import' . DS . 'Adapter' . DS . '*.php') as $adapter)
		{
			require_once $adapter;
		}

		// anonymous function to get adapters
		$isAdapterClass = function($class)
		{
			return (in_array('Hubzero\Content\Import\Adapter', class_implements($class)));
		};

		// set our adapters (any declared class implementing the ResourcesImportInterface)
		$this->adapters = array_values(array_filter(get_declared_classes(), $isAdapterClass));
	}