ArchiveCreator.php
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<?php
/**
* Created by PhpStorm.
* User: Tsurkanov
* Date: 03.11.2015
* Time: 14:51
*/
namespace common\components\archive_reader;
class ArchiveCreator {
protected $handleExtension = [];
public function create( $file, $ext ){
if ( isHandableExtension( $ext )) {
$arh_class = ucfirst( $ext ) . 'ArchiveReader';
if ( class_exists( $arh_class ) ) {
$arh_reader = new $arh_class();
if ($arh_reader instanceof ArchiveReader ) {
$arh_reader->open($file);
return $arh_reader;
}
}
}
// не найден подходящий обработчик
throw new \Exception( "Для расширения {$ext} не найден подходящий распаковщик" );
}
protected function isHandableExtension( $ext ){
$this->setHandleExtension( );
return (bool) array_search( $ext, $this->handleExtension);
}
protected function setHandleExtension( ){
if ( !$this->handleExtension ) {
foreach (get_declared_classes() as $class) {
if (is_subclass_of( $class, ArchiveReader::class ))
$this->handleExtension[] = $class::getExtension();
}
}
}
public function getHandleExtension( ){
return $this->handleExtension;
}
}