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<?php |
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/** |
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* This file is part of the IrishDan\ResponsiveImageBundle package. |
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* |
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* (c) Daniel Byrne <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE file that was distributed with this source |
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* code. |
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*/ |
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namespace IrishDan\ResponsiveImageBundle; |
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use Symfony\Component\Cache\Simple\FilesystemCache; |
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class ImageEntityNameResolver |
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{ |
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const CACHE_KEY = 'responsive_image.image_entity'; |
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protected $className = null; |
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protected $classLocator; |
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protected $cache; |
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protected $imageEntityParameter; |
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public function __construct(ImageEntityClassLocator $classLocator, $imageEntityParameter = '') |
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{ |
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$this->classLocator = $classLocator; |
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$this->imageEntityParameter = $imageEntityParameter; |
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} |
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public function classExists() |
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{ |
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$class = $this->getClassName(); |
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$locatedClass = $this->classLocator->getClassName(); |
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return ($class === $locatedClass) ? true : false; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getClassName() |
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{ |
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// If it's set here just return that. |
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if (!empty($this->className)) { |
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return $this->className; |
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} |
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// Use class name parameter if its been set |
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if (!empty($this->imageEntityParameter)) { |
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$this->className = $this->imageEntityParameter; |
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return $this->className; |
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} |
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// Load it from cached data if it exists |
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// as a last resort use the Class locator service. |
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if (empty($this->cache)) { |
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$this->cache = new FilesystemCache(); |
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} |
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$cached = $this->cache->has(self::CACHE_KEY); |
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if ($cached) { |
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$classname = $this->cache->get(self::CACHE_KEY); |
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} |
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// LAt resort use the Class locator service |
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if (empty($classname)) { |
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$classname = $this->classLocator->getClassName(); |
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} |
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// Set the value in as a property in this class |
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// and set as a cached value for next time. |
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if (!empty($classname)) { |
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$this->className = $classname; |
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if (!$cached) { |
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// @TODO: Should set cache expiration |
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$this->cache->set(self::CACHE_KEY, $classname); |
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} |
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return $this->className; |
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} |
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return false; |
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} |
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public function getCache() |
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{ |
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return $this->cache; |
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} |
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} |
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irishdan /
ResponsiveImageBundle
