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<?php |
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namespace W2w\Lib\Apie\Core\Encodings; |
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use Symfony\Component\HttpKernel\Exception\NotAcceptableHttpException; |
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use W2w\Lib\Apie\Interfaces\FormatRetrieverInterface; |
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/** |
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* Combines multiple Format Retrievers into one. |
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*/ |
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class ChainableFormatRetriever implements FormatRetrieverInterface |
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{ |
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/** |
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* @var FormatRetrieverInterface[] |
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*/ |
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private $formatRetrievers; |
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/** |
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* @param FormatRetrieverInterface[] |
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*/ |
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public function __construct(array $formatRetrievers) |
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{ |
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$this->formatRetrievers = $formatRetrievers; |
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} |
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/** |
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* @param string $contentType |
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* @return string|null |
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*/ |
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public function getFormat(string $contentType): ?string |
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{ |
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$contentTypes = explode(',', $contentType); |
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foreach ($contentTypes as $individualContentType) { |
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if (strpos($individualContentType, ';') !== false) { |
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$individualContentType = strstr($individualContentType, ';', true); |
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} |
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$res = $this->findOne('getFormat', $individualContentType); |
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if (!is_null($res)) { |
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return $res; |
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} |
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} |
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throw new NotAcceptableHttpException('"' . $contentType . '" is not accepted'); |
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} |
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/** |
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* @param string $format |
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* @return string|null |
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*/ |
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public function getContentType(string $format): ?string |
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{ |
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$res = $this->findOne('getContentType', $format); |
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if (!is_null($res)) { |
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return $res; |
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} |
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throw new NotAcceptableHttpException('"' . $format . '" is not accepted'); |
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} |
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/** |
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* Helper method or getFormat and getContentType. |
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* |
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* @param string $method |
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* @param string $input |
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* @return string|null |
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*/ |
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private function findOne(string $method, string $input): ?string |
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{ |
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foreach ($this->formatRetrievers as $formatRetriever) { |
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$res = $formatRetriever->$method($input); |
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if (!is_null($res)) { |
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return $res; |
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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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pjordaan /
apie
