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MediaHandlerFactory.php
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1 <?php
24 use Psr\Log\LoggerInterface;
25 
32 
38  private const CORE_HANDLERS = [
39  'image/jpeg' => JpegHandler::class,
40  'image/png' => PNGHandler::class,
41  'image/gif' => GIFHandler::class,
42  'image/tiff' => TiffHandler::class,
43  'image/webp' => WebPHandler::class,
44  'image/x-ms-bmp' => BmpHandler::class,
45  'image/x-bmp' => BmpHandler::class,
46  'image/x-xcf' => XCFHandler::class,
47  'image/svg+xml' => SvgHandler::class, // official
48  'image/svg' => SvgHandler::class, // compat
49  'image/vnd.djvu' => DjVuHandler::class, // official
50  'image/x.djvu' => DjVuHandler::class, // compat
51  'image/x-djvu' => DjVuHandler::class, // compat
52  'image/jp2' => Jpeg2000Handler::class,
53  'image/jpx' => Jpeg2000Handler::class,
54  ];
55 
57  private $logger;
58 
60  private $registry;
61 
67  private $handlers;
68 
73  public function __construct(
74  LoggerInterface $logger,
75  array $registry
76  ) {
77  $this->logger = $logger;
78  $this->registry = $registry + self::CORE_HANDLERS;
79  }
80 
81  protected function getHandlerClass( $type ) {
82  return $this->registry[$type] ?? false;
83  }
84 
89  public function getHandler( $type ) {
90  if ( isset( $this->handlers[$type] ) ) {
91  return $this->handlers[$type];
92  }
93 
94  $class = $this->getHandlerClass( $type );
95  if ( $class !== false ) {
97  $handler = new $class;
98  if ( !$handler->isEnabled() ) {
99  $this->logger->debug(
100  '{class} is not enabled.',
101  [ 'class' => $class ]
102  );
103  $handler = false;
104  }
105  } else {
106  $this->logger->debug(
107  'no handler found for {type}.',
108  [ 'type' => $type ]
109  );
110  $handler = false;
111  }
112 
113  $this->handlers[$type] = $handler;
114  return $handler;
115  }
116 }
MediaHandlerFactory\$registry
array $registry
Definition: MediaHandlerFactory.php:60
MediaHandlerFactory\getHandler
getHandler( $type)
Definition: MediaHandlerFactory.php:89
MediaHandlerFactory\$logger
LoggerInterface $logger
Definition: MediaHandlerFactory.php:33
MediaHandlerFactory
Class to construct MediaHandler objects.
Definition: MediaHandlerFactory.php:31
MediaHandlerFactory\getHandlerClass
getHandlerClass( $type)
Definition: MediaHandlerFactory.php:81
MediaHandlerFactory\$handlers
MediaHandler[] $handlers
Instance cache of MediaHandler objects by mimetype.
Definition: MediaHandlerFactory.php:67
MediaHandlerFactory\__construct
__construct(LoggerInterface $logger, array $registry)
Definition: MediaHandlerFactory.php:73
MediaHandler
Base media handler class.
Definition: MediaHandler.php:37
$type
$type
Definition: testCompression.php:52