| 25 |
- |
1 |
<?php
|
|
|
2 |
/**
|
|
|
3 |
* Copyright 2017 Facebook, Inc.
|
|
|
4 |
*
|
|
|
5 |
* You are hereby granted a non-exclusive, worldwide, royalty-free license to
|
|
|
6 |
* use, copy, modify, and distribute this software in source code or binary
|
|
|
7 |
* form for use in connection with the web services and APIs provided by
|
|
|
8 |
* Facebook.
|
|
|
9 |
*
|
|
|
10 |
* As with any software that integrates with the Facebook platform, your use
|
|
|
11 |
* of this software is subject to the Facebook Developer Principles and
|
|
|
12 |
* Policies [http://developers.facebook.com/policy/]. This copyright notice
|
|
|
13 |
* shall be included in all copies or substantial portions of the software.
|
|
|
14 |
*
|
|
|
15 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
16 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
17 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
|
18 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
19 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
|
20 |
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
|
21 |
* DEALINGS IN THE SOFTWARE.
|
|
|
22 |
*
|
|
|
23 |
*/
|
|
|
24 |
namespace Facebook\PersistentData;
|
|
|
25 |
|
|
|
26 |
use InvalidArgumentException;
|
|
|
27 |
|
|
|
28 |
class PersistentDataFactory
|
|
|
29 |
{
|
|
|
30 |
private function __construct()
|
|
|
31 |
{
|
|
|
32 |
// a factory constructor should never be invoked
|
|
|
33 |
}
|
|
|
34 |
|
|
|
35 |
/**
|
|
|
36 |
* PersistentData generation.
|
|
|
37 |
*
|
|
|
38 |
* @param PersistentDataInterface|string|null $handler
|
|
|
39 |
*
|
|
|
40 |
* @throws InvalidArgumentException If the persistent data handler isn't "session", "memory", or an instance of Facebook\PersistentData\PersistentDataInterface.
|
|
|
41 |
*
|
|
|
42 |
* @return PersistentDataInterface
|
|
|
43 |
*/
|
|
|
44 |
public static function createPersistentDataHandler($handler)
|
|
|
45 |
{
|
|
|
46 |
if (!$handler) {
|
|
|
47 |
return session_status() === PHP_SESSION_ACTIVE
|
|
|
48 |
? new FacebookSessionPersistentDataHandler()
|
|
|
49 |
: new FacebookMemoryPersistentDataHandler();
|
|
|
50 |
}
|
|
|
51 |
|
|
|
52 |
if ($handler instanceof PersistentDataInterface) {
|
|
|
53 |
return $handler;
|
|
|
54 |
}
|
|
|
55 |
|
|
|
56 |
if ('session' === $handler) {
|
|
|
57 |
return new FacebookSessionPersistentDataHandler();
|
|
|
58 |
}
|
|
|
59 |
if ('memory' === $handler) {
|
|
|
60 |
return new FacebookMemoryPersistentDataHandler();
|
|
|
61 |
}
|
|
|
62 |
|
|
|
63 |
throw new InvalidArgumentException('The persistent data handler must be set to "session", "memory", or be an instance of Facebook\PersistentData\PersistentDataInterface');
|
|
|
64 |
}
|
|
|
65 |
}
|