/**
* Gets a resolver for the given filter.
*
* In case there is no specific resolver, but a default resolver has been configured, the default will be returned.
*
* @param string $filter
*
* @return ResolverInterface
*
* @throws \OutOfBoundsException If neither a specific nor a default resolver is available.
*/
protected function getResolver($filter)
{
$config = $this->filterConfig->get($filter);
$resolverName = empty($config['cache']) ? $this->defaultResolver : $config['cache'];
if (!isset($this->resolvers[$resolverName])) {
throw new \OutOfBoundsException(sprintf('Could not find resolver "%s" for "%s" filter type', $resolverName, $filter));
}
return $this->resolvers[$resolverName];
}
/**
* Get default image url with the given filter applied.
*
* @param string $filter
*
* @return string
*/
public function getDefaultImageUrl($filter)
{
$config = $this->filterConfig->get($filter);
$defaultImage = null;
if (false == empty($config['default_image'])) {
$defaultImage = $config['default_image'];
} elseif (!empty($this->globalDefaultImage)) {
$defaultImage = $this->globalDefaultImage;
}
return $defaultImage;
}
