|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* TechDivision\Import\Observers\ObserverVisitor |
|
5
|
|
|
* |
|
6
|
|
|
* NOTICE OF LICENSE |
|
7
|
|
|
* |
|
8
|
|
|
* This source file is subject to the Open Software License (OSL 3.0) |
|
9
|
|
|
* that is available through the world-wide-web at this URL: |
|
10
|
|
|
* http://opensource.org/licenses/osl-3.0.php |
|
11
|
|
|
* |
|
12
|
|
|
* PHP version 5 |
|
13
|
|
|
* |
|
14
|
|
|
* @author Tim Wagner <[email protected]> |
|
15
|
|
|
* @copyright 2016 TechDivision GmbH <[email protected]> |
|
16
|
|
|
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
|
17
|
|
|
* @link https://github.com/techdivision/import |
|
18
|
|
|
* @link http://www.techdivision.com |
|
19
|
|
|
*/ |
|
20
|
|
|
|
|
21
|
|
|
namespace TechDivision\Import\Observers; |
|
22
|
|
|
|
|
23
|
|
|
use TechDivision\Import\Subjects\SubjectInterface; |
|
24
|
|
|
use Symfony\Component\DependencyInjection\TaggedContainerInterface; |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* Visitor implementation for a subject's observers. |
|
28
|
|
|
* |
|
29
|
|
|
* @author Tim Wagner <[email protected]> |
|
30
|
|
|
* @copyright 2016 TechDivision GmbH <[email protected]> |
|
31
|
|
|
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
|
32
|
|
|
* @link https://github.com/techdivision/import |
|
33
|
|
|
* @link http://www.techdivision.com |
|
34
|
|
|
*/ |
|
35
|
|
|
class ObserverVisitor implements ObserverVisitorInterface |
|
36
|
|
|
{ |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* The DI container builder instance. |
|
40
|
|
|
* |
|
41
|
|
|
* @var \Symfony\Component\DependencyInjection\TaggedContainerInterface |
|
42
|
|
|
*/ |
|
43
|
|
|
protected $container; |
|
44
|
|
|
|
|
45
|
|
|
/** |
|
46
|
|
|
* The constructor to initialize the instance. |
|
47
|
|
|
* |
|
48
|
|
|
* @param \Symfony\Component\DependencyInjection\TaggedContainerInterface $container The container instance |
|
49
|
|
|
*/ |
|
50
|
1 |
|
public function __construct(TaggedContainerInterface $container) |
|
51
|
|
|
{ |
|
52
|
1 |
|
$this->container = $container; |
|
53
|
1 |
|
} |
|
54
|
|
|
|
|
55
|
|
|
/** |
|
56
|
|
|
* Visitor implementation that initializes the observers of the passed subject. |
|
57
|
|
|
* |
|
58
|
|
|
* @param \TechDivision\Import\Subjects\SubjectInterface $subject The subject to initialize the observers for |
|
59
|
|
|
* |
|
60
|
|
|
* @return void |
|
61
|
|
|
*/ |
|
62
|
1 |
|
public function visit(SubjectInterface $subject) |
|
63
|
|
|
{ |
|
64
|
|
|
|
|
65
|
|
|
// load the observers from the configuration |
|
66
|
1 |
|
$availableObservers = $subject->getConfiguration()->getObservers(); |
|
67
|
|
|
|
|
68
|
|
|
// prepare the observers |
|
69
|
1 |
|
foreach ($availableObservers as $observers) { |
|
70
|
1 |
|
$this->prepareObservers($subject, $observers); |
|
71
|
|
|
} |
|
72
|
1 |
|
} |
|
73
|
|
|
|
|
74
|
|
|
/** |
|
75
|
|
|
* Prepare the observers defined in the system configuration. |
|
76
|
|
|
* |
|
77
|
|
|
* @param \TechDivision\Import\Subjects\SubjectInterface $subject The subject to prepare the observers for |
|
78
|
|
|
* @param array $observers The array with the observers |
|
79
|
|
|
* @param string $type The actual observer type |
|
80
|
|
|
* |
|
81
|
|
|
* @return void |
|
82
|
|
|
*/ |
|
83
|
1 |
|
protected function prepareObservers(SubjectInterface $subject, array $observers, $type = null) |
|
84
|
|
|
{ |
|
85
|
|
|
|
|
86
|
|
|
// iterate over the array with observers and prepare them |
|
87
|
1 |
|
foreach ($observers as $key => $observer) { |
|
88
|
|
|
// we have to initialize the type only on the first level |
|
89
|
1 |
|
if ($type == null) { |
|
90
|
1 |
|
$type = $key; |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
// query whether or not we've an subarry or not |
|
94
|
1 |
|
if (is_array($observer)) { |
|
95
|
1 |
|
$this->prepareObservers($subject, $observer, $type); |
|
96
|
|
|
} else { |
|
97
|
|
|
// create the instance of the observer/factory |
|
98
|
1 |
|
$instance = $this->container->get($observer); |
|
99
|
|
|
// query whether or not a factory has been specified |
|
100
|
1 |
|
if ($instance instanceof ObserverInterface) { |
|
101
|
1 |
|
$subject->registerObserver($instance, $type); |
|
102
|
|
|
} elseif ($instance instanceof ObserverFactoryInterface) { |
|
103
|
|
|
$subject->registerObserver($instance->createObserver($subject), $type); |
|
104
|
|
|
} else { |
|
105
|
1 |
|
throw new \InvalidArgumentException(); |
|
106
|
|
|
} |
|
107
|
|
|
} |
|
108
|
|
|
} |
|
109
|
1 |
|
} |
|
110
|
|
|
} |
|
111
|
|
|
|
techdivision /
import
