66 lines
2.4 KiB
PHP
Executable File
66 lines
2.4 KiB
PHP
Executable File
<?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\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 PersistentDataInterface|string|null $handler
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*
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* @throws InvalidArgumentException If the persistent data handler isn't "session", "memory", or an instance of Facebook\PersistentData\PersistentDataInterface.
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*
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* @return PersistentDataInterface
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*/
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public static function createPersistentDataHandler($handler)
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{
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if (!$handler) {
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return session_status() === PHP_SESSION_ACTIVE
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? new FacebookSessionPersistentDataHandler()
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: new FacebookMemoryPersistentDataHandler();
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}
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if ($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 FacebookSessionPersistentDataHandler();
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}
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if ('memory' === $handler) {
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return new FacebookMemoryPersistentDataHandler();
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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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