|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* micrometa |
|
5
|
|
|
* |
|
6
|
|
|
* @category Jkphl |
|
7
|
|
|
* @package Jkphl\Rdfalite |
|
8
|
|
|
* @subpackage Jkphl\Micrometa\Infrastructure |
|
9
|
|
|
* @author Joschi Kuphal <[email protected]> / @jkphl |
|
10
|
|
|
* @copyright Copyright © 2017 Joschi Kuphal <[email protected]> / @jkphl |
|
11
|
|
|
* @license http://opensource.org/licenses/MIT The MIT License (MIT) |
|
12
|
|
|
*/ |
|
13
|
|
|
|
|
14
|
|
|
/*********************************************************************************** |
|
15
|
|
|
* The MIT License (MIT) |
|
16
|
|
|
* |
|
17
|
|
|
* Copyright © 2017 Joschi Kuphal <[email protected]> / @jkphl |
|
18
|
|
|
* |
|
19
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy of |
|
20
|
|
|
* this software and associated documentation files (the "Software"), to deal in |
|
21
|
|
|
* the Software without restriction, including without limitation the rights to |
|
22
|
|
|
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
|
23
|
|
|
* the Software, and to permit persons to whom the Software is furnished to do so, |
|
24
|
|
|
* subject to the following conditions: |
|
25
|
|
|
* |
|
26
|
|
|
* The above copyright notice and this permission notice shall be included in all |
|
27
|
|
|
* copies or substantial portions of the Software. |
|
28
|
|
|
* |
|
29
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
30
|
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
|
31
|
|
|
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
|
32
|
|
|
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
|
33
|
|
|
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
|
34
|
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
|
35
|
|
|
***********************************************************************************/ |
|
36
|
|
|
|
|
37
|
|
|
namespace Jkphl\Micrometa\Infrastructure\Parser\JsonLD; |
|
38
|
|
|
|
|
39
|
|
|
use ML\JsonLD\FileGetContentsLoader; |
|
40
|
|
|
use ML\JsonLD\RemoteDocument; |
|
41
|
|
|
|
|
42
|
|
|
/** |
|
43
|
|
|
* Cached loader for JSON-LD context |
|
44
|
|
|
* |
|
45
|
|
|
* @package Jkphl\Rdfalite |
|
46
|
|
|
* @subpackage Jkphl\Micrometa\Infrastructure\Parser\JsonLD |
|
47
|
|
|
*/ |
|
48
|
|
|
class CachingContextLoader extends FileGetContentsLoader |
|
49
|
|
|
{ |
|
50
|
|
|
/** |
|
51
|
|
|
* Vocabulary cache |
|
52
|
|
|
* |
|
53
|
|
|
* @var VocabularyCache |
|
54
|
|
|
*/ |
|
55
|
|
|
protected $vocabularyCache; |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* Constructor |
|
59
|
|
|
* |
|
60
|
|
|
* @param VocabularyCache $vocabularyCache Vocabulary cache |
|
61
|
|
|
*/ |
|
62
|
5 |
|
public function __construct(VocabularyCache $vocabularyCache) |
|
63
|
|
|
{ |
|
64
|
5 |
|
$this->vocabularyCache = $vocabularyCache; |
|
65
|
5 |
|
} |
|
66
|
|
|
|
|
67
|
|
|
/** |
|
68
|
|
|
* Load (and cache) a context document |
|
69
|
|
|
* |
|
70
|
|
|
* @param string $url Context URL |
|
71
|
|
|
* @return \ML\JsonLD\RemoteDocument Remote document |
|
72
|
|
|
*/ |
|
73
|
1 |
|
public function loadDocument($url) |
|
74
|
|
|
{ |
|
75
|
|
|
// Try to return a cached document |
|
76
|
1 |
|
$document = $this->vocabularyCache->getDocument($url); |
|
77
|
1 |
|
if ($document instanceof RemoteDocument) { |
|
78
|
1 |
|
return $document; |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
1 |
|
return $this->vocabularyCache->setDocument($url, parent::loadDocument($url)); |
|
82
|
|
|
} |
|
83
|
|
|
} |
|
84
|
|
|
|
jkphl /
micrometa
