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<?php |
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namespace AssetManager\Core\Asset; |
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use Assetic\Asset\BaseAsset; |
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use Assetic\Filter\FilterInterface; |
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use AssetManager\Core\Exception; |
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/** |
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* Represents a concatented string asset. |
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*/ |
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class AggregateAsset extends BaseAsset |
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{ |
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/** |
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* @var int Timestamp of last modified date from asset |
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*/ |
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private $lastModified; |
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public $mimetype; |
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/** |
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* Constructor. |
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* |
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* @param array $content The array of assets to be merged |
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* @param array $filters Filters for the asset |
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* @param string $sourceRoot The source asset root directory |
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* @param string $sourcePath The source asset path |
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*/ |
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public function __construct(array $content = array(), $filters = array(), $sourceRoot = null, $sourcePath = null) |
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{ |
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parent::__construct($filters, $sourceRoot, $sourcePath); |
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$this->processContent($content); |
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} |
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/** |
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* load asset |
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* |
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* @param FilterInterface $additionalFilter |
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*/ |
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public function load(FilterInterface $additionalFilter = null) |
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{ |
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$this->doLoad($this->getContent(), $additionalFilter); |
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} |
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/** |
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* set last modified value of asset |
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* |
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* this is useful for cache mechanism detection id file has changed |
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* |
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* @param int $lastModified |
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*/ |
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public function setLastModified($lastModified) |
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{ |
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$this->lastModified = $lastModified; |
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} |
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/** |
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* get last modified value from asset |
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* |
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* @return int|null |
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*/ |
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public function getLastModified() |
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{ |
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return $this->lastModified; |
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} |
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/** |
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* Loop through assets and merge content |
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* |
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* @param array $content |
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* |
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* @throws Exception\RuntimeException |
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*/ |
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private function processContent($content) |
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{ |
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$this->mimetype = null; |
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foreach ($content as $asset) { |
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if (null === $this->mimetype) { |
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$this->mimetype = $asset->mimetype; |
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} |
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if ($asset->mimetype !== $this->mimetype) { |
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throw new Exception\RuntimeException( |
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sprintf( |
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'Asset "%s" doesn\'t have the expected mime-type "%s".', |
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$asset->getTargetPath(), |
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$this->mimetype |
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) |
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); |
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} |
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$this->setLastModified( |
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max( |
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$asset->getLastModified(), |
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$this->getLastModified() |
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) |
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); |
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$this->setContent( |
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$this->getContent() . $asset->dump() |
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); |
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} |
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} |
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} |
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wshafer /
assetmanager-core
