ExifFactory.php

<?php

namespace Drupal\exif;


/**
 * Class ExifFactory allow to get right implementation.
 *
 * @todo Rewrite this as a plugin system.
 *
 * @package Drupal\exif
 */
class ExifFactory {
    
    /**
     * Return description of exif parser implementations.
     *
     * @return array
     *   List names of parser implementations
     */
    public static function getExtractionSolutions() {
        return [
            'php_extensions' => 'php extensions',
            'simple_exiftool' => 'exiftool',
        ];
    }
    
    /**
     * Return configured exif parser.
     *
     * @return \Drupal\exif\ExifInterface
     *   cCnfigured exif parser
     */
    public static function getExifInterface() {
        $config = \Drupal::config('exif.settings');
        $extractionSolution = $config->get('extraction_solution');
        if ($extractionSolution == 'simple_exiftool' && SimpleExifToolFacade::checkConfiguration()) {
            return SimpleExifToolFacade::getInstance();
        }
        else {
            // Default case for now (same behavior as previous versions)
            return ExifPHPExtension::getInstance();
        }
    }

}