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<?php |
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namespace AmaTeam\Image\Projection\Framework; |
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use AmaTeam\Image\Projection\API\ConverterInterface; |
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use AmaTeam\Image\Projection\API\SpecificationInterface; |
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use AmaTeam\Image\Projection\API\Type\ReaderInterface; |
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use AmaTeam\Image\Projection\API\Conversion\FilterInterface; |
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use AmaTeam\Image\Projection\Type\Registry; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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class Converter implements ConverterInterface |
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{ |
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/** |
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* @var Registry |
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*/ |
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private $registry; |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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/** |
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* @param Registry $registry |
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* @param LoggerInterface|null $logger |
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*/ |
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public function __construct( |
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Registry $registry, |
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LoggerInterface $logger = null |
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) { |
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$this->registry = $registry; |
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$this->logger = $logger ?: new NullLogger(); |
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} |
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/** |
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* @param SpecificationInterface $source |
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* @param SpecificationInterface[] $targets |
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* @param FilterInterface[] $filters |
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* @return Conversion[] |
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*/ |
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public function createConversions( |
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SpecificationInterface $source, |
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array $targets, |
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...$filters |
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) { |
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$context = ['source' => $source, 'targets' => $targets]; |
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$message = 'Converting {source} to targets {targets}'; |
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$this->logger->debug($message, $context); |
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$reader = $this->getReader($source); |
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$pipelines = []; |
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foreach ($targets as $target) { |
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$pipelines[] = $this |
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->instantiateConversion($reader, $target, $filters); |
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} |
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return $pipelines; |
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} |
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/** |
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* Creates conversion pipeline for single target. |
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* |
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* @param SpecificationInterface $source |
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* @param SpecificationInterface $target |
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* @param FilterInterface[] $filters |
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* @return Conversion |
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*/ |
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public function createConversion( |
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SpecificationInterface $source, |
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SpecificationInterface $target, |
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...$filters |
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) { |
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$context = ['source' => $source, 'target' => $target]; |
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$message = 'Converting {source} to target {target}'; |
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$this->logger->debug($message, $context); |
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$reader = $this->getReader($source); |
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return $this->instantiateConversion($reader, $target, $filters); |
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} |
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/** |
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* @param SpecificationInterface $source |
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* @return ReaderInterface |
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*/ |
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private function getReader(SpecificationInterface $source) |
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{ |
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return $this |
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->registry |
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->getHandler($source->getType()) |
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->read($source); |
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} |
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/** |
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* @param ReaderInterface $source |
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* @param SpecificationInterface $target |
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* @param FilterInterface[] $filters |
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* @return Conversion |
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*/ |
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private function instantiateConversion( |
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ReaderInterface $source, |
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SpecificationInterface $target, |
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array $filters |
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) { |
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$generator = $this |
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->registry |
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->getHandler($target->getType()) |
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->createGenerator($source, $target, $filters); |
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return new Conversion($target, $generator, $this->logger); |
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} |
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} |
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ama-team /
php-projection-framework
