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<?php |
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/** |
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* @author Gerard van Helden <[email protected]> |
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* @copyright Zicht Online <http://zicht.nl> |
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*/ |
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namespace Zicht\Bundle\UrlBundle\Url; |
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use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface; |
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use Zicht\Bundle\UrlBundle\Exception\UnsupportedException; |
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/** |
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* A provider that delegates to a number of registered providers, ordered by priority. |
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*/ |
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class DelegatingProvider implements Provider, SuggestableProvider, ListableProvider |
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{ |
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/** |
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* @var Provider[] |
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*/ |
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protected $providers; |
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/** |
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* Initialize the provider |
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*/ |
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public function __construct() |
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{ |
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$this->providers = []; |
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} |
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/** |
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* Add a provider with the specified priority. Higher priority means exactly that ;) |
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* |
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* @param Provider $provider |
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* @param int $priority |
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* @return void |
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*/ |
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public function addProvider(Provider $provider, $priority = 0) |
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{ |
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$this->providers[$priority][] = $provider; |
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ksort($this->providers); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function supports($object) |
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{ |
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foreach ($this->getProviders() as $provider) { |
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if ($provider->supports($object)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function url($object, array $options = array()) |
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{ |
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foreach ($this->getProviders() as $provider) { |
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if ($provider->supports($object)) { |
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return $provider->url($object, $options); |
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} |
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} |
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$objectType = is_object($object) |
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? get_class($object) |
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: (gettype($object) . ' (' . var_export($object, true) . ')'); |
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throw new UnsupportedException("Can not render url for {$objectType}"); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function suggest($pattern) |
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{ |
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$ret = array(); |
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foreach ($this->getProviders() as $provider) { |
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if ($provider instanceof SuggestableProvider) { |
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$ret = array_merge($ret, $provider->suggest($pattern)); |
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} |
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} |
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return $ret; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function all(AuthorizationCheckerInterface $securityContext) |
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{ |
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$ret = array(); |
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foreach ($this->getProviders() as $provider) { |
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if ($provider instanceof ListableProvider) { |
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$ret = array_merge($ret, $provider->all($securityContext)); |
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} |
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} |
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return $ret; |
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} |
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/** |
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* @return Provider[]|\Generator |
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*/ |
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private function getProviders() |
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{ |
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foreach ($this->providers as $providers) { |
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foreach ($providers as $provider) { |
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yield $provider; |
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} |
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} |
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} |
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} |
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zicht /
url-bundle
