Base::collectResourcesByParams

private function collectResourcesByParams($params)
{
	$errors = $this->collectParamsErrors($params);
	if (!$errors)
	{
		$resourceKeyList = explode(',', $params['resources']);
		$this->resources += $this->collectResources($resourceKeyList);

	}
	else
	{
		$this->errors += $errors;
	}
}