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<?php |
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namespace ByJG\RestServer\OutputProcessor; |
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use ByJG\RestServer\Exception\OperationIdInvalidException; |
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use ByJG\RestServer\HttpResponse; |
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use ByJG\RestServer\ResponseBag; |
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use ByJG\RestServer\Writer\WriterInterface; |
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abstract class BaseOutputProcessor implements OutputProcessorInterface |
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{ |
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protected $buildNull = true; |
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protected $onlyString = false; |
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protected $header = []; |
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protected $contentType = ""; |
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/** @var WriterInterface */ |
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protected $writer; |
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public function setWriter(WriterInterface $writer) |
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{ |
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$this->writer = $writer; |
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} |
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public static function getFromContentType($contentType) |
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{ |
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$mimeTypeOutputProcessor = [ |
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"text/xml" => XmlOutputProcessor::class, |
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"application/xml" => XmlOutputProcessor::class, |
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"text/html" => HtmlOutputProcessor::class, |
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"application/json" => JsonOutputProcessor::class, |
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"*/*" => JsonOutputProcessor::class, |
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]; |
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if (!isset($mimeTypeOutputProcessor[$contentType])) { |
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throw new OperationIdInvalidException("There is no output processor for $contentType"); |
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} |
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return $mimeTypeOutputProcessor[$contentType]; |
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} |
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public static function getFromHttpAccept() |
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{ |
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$accept = isset($_SERVER["HTTP_ACCEPT"]) ? $_SERVER["HTTP_ACCEPT"] : "application/json"; |
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$acceptList = explode(",", $accept); |
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return self::getFromClassName(self::getFromContentType($acceptList[0])); |
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} |
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/** |
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* @param $className |
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* @return OutputProcessorInterface |
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*/ |
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public static function getFromClassName($className) |
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{ |
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if ($className instanceof \Closure) { |
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return $className(); |
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} |
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return new $className(); |
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} |
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public static function getOutputProcessorInstance($contentType) |
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{ |
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$class = self::getFromContentType($contentType); |
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return new $class(); |
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} |
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public function writeContentType() |
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{ |
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$this->writer->header("Content-Type: $this->contentType", true); |
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} |
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public function getContentType() |
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{ |
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return $this->contentType; |
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} |
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public function writeHeader(HttpResponse $response) |
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{ |
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$this->writer->responseCode($response->getResponseCode(), $response->getResponseCodeDescription()); |
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foreach ($response->getHeaders() as $header => $value) { |
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if (is_array($value)) { |
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$this->writer->header("$header: " . array_shift($value), true); |
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foreach ($value as $headerValue) { |
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$this->writer->header("$header: $headerValue", false); |
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} |
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} else { |
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$this->writer->header("$header: $value", true); |
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} |
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} |
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} |
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public function writeData($data) |
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{ |
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$this->writer->echo($data); |
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} |
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public function processResponse(HttpResponse $response) |
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{ |
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$this->writeHeader($response); |
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$serialized = $response |
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->getResponseBag() |
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->process($this->buildNull, $this->onlyString); |
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if ($response->getResponseBag()->getSerializationRule() === ResponseBag::RAW) { |
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$this->writeData($serialized); |
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} else { |
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$this->writeData( |
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$this->getFormatter()->process($serialized) |
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); |
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} |
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$this->writer->flush(); |
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} |
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} |
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