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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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namespace Facebook\PersistentData; |
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use InvalidArgumentException; |
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class PersistentDataFactory |
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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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* PersistentData generation. |
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* |
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* @param null|PersistentDataInterface|string $handler |
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* |
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* @throws InvalidArgumentException if the persistent data handler isn't "session", "memory", or an instance of Facebook\PersistentData\PersistentDataInterface |
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* |
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* @return PersistentDataInterface |
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*/ |
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public static function createPersistentDataHandler($handler) |
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{ |
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if (!$handler) { |
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return session_status() === PHP_SESSION_ACTIVE |
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? new SessionPersistentDataHandler() |
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: new InMemoryPersistentDataHandler(); |
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} |
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if ($handler instanceof PersistentDataInterface) { |
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return $handler; |
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} |
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if ('session' === $handler) { |
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return new SessionPersistentDataHandler(); |
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} |
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if ('memory' === $handler) { |
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return new InMemoryPersistentDataHandler(); |
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} |
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throw new InvalidArgumentException('The persistent data handler must be set to "session", "memory", or be an instance of Facebook\PersistentData\PersistentDataInterface'); |
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} |
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} |
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facebook /
php-graph-sdk
