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<?php |
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/* |
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* This file is part of the Stinger Media Parser package. |
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* |
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* (c) Oliver Kotte <[email protected]> |
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* (c) Florian Meyer <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace StingerSoft\MediaParsingBundle\Parser; |
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use Symfony\Component\HttpFoundation\File\File; |
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use StingerSoft\MediaParsingBundle\Parser\Information\FileInformation; |
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class ParserChain implements ParserChainInterface{ |
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/** |
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* |
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* @var MediaParserInterface[] |
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* |
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*/ |
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private $parser = array(); |
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public function addParser(MediaParserInterface $parser){ |
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$this->parser[] = $parser; |
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} |
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/** |
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* |
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* @param File $file |
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* @return MediaParserInterface|NULL |
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*/ |
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public function getParser(File $file){ |
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foreach($this->parser as $parser){ |
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if($parser->canHandle($file)){ |
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return $parser; |
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} |
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} |
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return null; |
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} |
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/** |
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* |
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* @param string|File $file |
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* @throws \Exception |
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* @return MediaInformationInterface|boolean |
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*/ |
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public function parseFile($file){ |
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if($file === null){ |
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throw new \Exception("File is null!"); |
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} |
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if(\is_string($file)){ |
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$file = new File($this->createPath($file)); |
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} |
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if(!$file->isReadable()){ |
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throw new \Exception("Can't read file <".$file->getFilename().">"); |
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} |
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$parser = $this->getParser($file); |
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if(!$parser){ |
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return false; |
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} |
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$info = $parser->parseFile($file); |
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//No real information found for the given file, so we fall back to a basic file |
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//information object |
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if(!$info){ |
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$info = new FileInformation(); |
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$info->setTitle($file->getFilename()); |
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} |
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$info->setFilePath($file->getRealPath()); |
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$info->setFileSize($file->getSize()); |
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$lastModified = \DateTime::createFromFormat('U', $file->getMTime()); |
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if($lastModified !== false){ |
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$info->setLastModified($lastModified); |
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} |
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return $info; |
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} |
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/* (non-PHPdoc) |
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* @see \StingerSoft\MediaParsingBundle\Parser\ParserChainInterface::getAllParser() |
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*/ |
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public function getAllParser(){ |
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return $this->parser; |
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} |
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protected function createPath($path){ |
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if($this->startsWith($path, 'B64')){ |
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$path = \base64_decode(\substr($path, 3)); |
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} |
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return $path; |
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} |
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protected function startsWith($haystack, $needle){ |
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return !strncmp($haystack, $needle, strlen($needle)); |
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} |
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} |
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