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<?php |
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namespace Ntb\RestAPI; |
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/** |
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* Factory for different kind of rest serializers. |
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* @author Christian Blank <[email protected]> |
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*/ |
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class SerializerFactory { |
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private static $lookup = [ |
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'json' => 'application/json', |
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'html' => 'text/html', |
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'xml' => 'application/xml', |
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'yaml' => 'application/yaml' |
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]; |
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/** |
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* Returns a new instance of a serializer depending on the given type. |
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* |
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* @param string $mimeType the serializer type; Default: application/json |
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* @return IRestSerializer an instance of a serializer |
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* @throws RestUserException |
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*/ |
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public static function create($mimeType='application/json') { |
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$availableSerializers = \ClassInfo::implementorsOf('Ntb\RestAPI\IRestSerializer'); |
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foreach($availableSerializers as $serializer) { |
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/** @var IRestSerializer $instance */ |
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$instance = new $serializer(); |
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if($instance->active() && $instance->contentType() === $mimeType) { |
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return $instance; |
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} |
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} |
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throw new RestUserException("Requested Accept '$mimeType' not supported", 404); |
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} |
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/** |
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* Determines the correct serializer from an incoming request. |
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* |
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* @param \SS_HTTPRequest $request the request object |
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* @return IRestSerializer a new instance of a serializer which fits the request best |
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* @throws RestUserException |
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*/ |
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public static function create_from_request($request) { |
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if($type = $request->getVar('accept')) { |
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try { |
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if(array_key_exists($type, self::$lookup)) { |
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return self::create(self::$lookup[$type]); |
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} |
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} catch(\Exception $e) {} |
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} |
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$types = $request->getAcceptMimetypes(); |
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foreach($types as $type) { |
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try { |
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return self::create($type); |
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} catch(RestUserException $e) {} |
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} |
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return self::create(); |
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} |
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} |
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notthatbad /
silverstripe-rest-api
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