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<?php |
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/* |
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* This file is part of the uSilex framework. |
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* |
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* (c) Enrico Fagnoni <[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 uSilex\Pimple; |
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use uSilex\Api\ResponseProcessorInterface; |
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use uSilex\Api\ResponseHandlerInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use TypeError; |
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/** |
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* Psr15plus trait. HTTP response post processing implementation |
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* |
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* @author Enrico Fagnoni <[email protected]> |
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*/ |
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trait ResponseHandlerTrait |
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{ |
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protected $responseProcessors = []; |
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public function onResponse(string $serviceName) |
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{ |
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$this->responseProcessors[] = $serviceName; |
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return $this; |
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} |
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/** |
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* Handles a response and produces a response |
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* |
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* May call other collaborating code to generate the response. |
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*/ |
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protected function handleResponseRunner (ResponseInterface $response) : ResponseInterface |
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{ |
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$responseProcessorServiceName = current($this->responseProcessors); |
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if (!$responseProcessorServiceName) { |
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return $response; |
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} |
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$responseProcessor = $this[$responseProcessorServiceName]; |
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if( !($responseProcessor instanceof ResponseProcessorInterface)) { |
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throw new TypeError("$responseProcessorServiceName is not a http response processor"); |
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} |
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next($this->responseProcessors); |
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// execute middleware |
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$result = $responseProcessor->process($response, $this); |
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return $result; |
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} |
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/** |
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* Handles a response and produces a response |
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* |
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* May call other collaborating code to generate the response. |
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*/ |
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public function handleResponse(ResponseInterface $response) : ResponseInterface |
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{ |
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reset( $this->responseProcessors); |
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return $this->handleResponseRunner($response); |
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} |
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} |
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linkeddatacenter /
uSilex
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