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<?php |
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/** |
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* Copyright 2017 Facebook, Inc. |
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* |
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* You are hereby granted a non-exclusive, worldwide, royalty-free license to |
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* use, copy, modify, and distribute this software in source code or binary |
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* form for use in connection with the web services and APIs provided by |
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* Facebook. |
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* |
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* As with any software that integrates with the Facebook platform, your use |
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* of this software is subject to the Facebook Developer Principles and |
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* Policies [http://developers.facebook.com/policy/]. This copyright notice |
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* shall be included in all copies or substantial portions of the software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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* |
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*/ |
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namespace Facebook\HttpClients; |
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use GuzzleHttp\Client; |
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use InvalidArgumentException; |
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use Exception; |
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class HttpClientsFactory |
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{ |
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private function __construct() |
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{ |
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// a factory constructor should never be invoked |
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} |
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/** |
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* HTTP client generation. |
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* |
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* @param FacebookHttpClientInterface|Client|string|null $handler |
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* |
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* @throws Exception If the cURL extension or the Guzzle client aren't available (if required). |
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* @throws InvalidArgumentException If the http client handler isn't "curl", "stream", "guzzle", or an instance of Facebook\HttpClients\FacebookHttpClientInterface. |
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* |
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* @return FacebookHttpClientInterface |
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*/ |
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public static function createHttpClient($handler) |
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{ |
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if (!$handler) { |
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return self::detectDefaultClient(); |
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} |
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if ($handler instanceof FacebookHttpClientInterface) { |
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return $handler; |
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} |
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if ('stream' === $handler) { |
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return new FacebookStreamHttpClient(); |
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} |
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if ('curl' === $handler) { |
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if (!extension_loaded('curl')) { |
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throw new Exception('The cURL extension must be loaded in order to use the "curl" handler.'); |
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} |
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return new FacebookCurlHttpClient(); |
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} |
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if ('guzzle' === $handler && !class_exists('GuzzleHttp\Client')) { |
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throw new Exception('The Guzzle HTTP client must be included in order to use the "guzzle" handler.'); |
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} |
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if ($handler instanceof Client) { |
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return new FacebookGuzzleHttpClient($handler); |
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} |
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if ('guzzle' === $handler) { |
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return new FacebookGuzzleHttpClient(); |
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} |
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throw new InvalidArgumentException('The http client handler must be set to "curl", "stream", "guzzle", be an instance of GuzzleHttp\Client or an instance of Facebook\HttpClients\FacebookHttpClientInterface'); |
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} |
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/** |
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* Detect default HTTP client. |
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* |
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* @return FacebookHttpClientInterface |
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*/ |
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private static function detectDefaultClient() |
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{ |
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if (extension_loaded('curl')) { |
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return new FacebookCurlHttpClient(); |
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} |
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if (class_exists('GuzzleHttp\Client')) { |
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return new FacebookGuzzleHttpClient(); |
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} |
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return new FacebookStreamHttpClient(); |
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} |
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} |
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TheRakeshPurohit /
rtCamp
