FileUploadHandlerInterface.php

<?php

declare (strict_types=1);
namespace Drupal\file\Upload;

use Drupal\Core\File\FileExists;

/**
 * Handles validating and creating file entities from file uploads.
 */
interface FileUploadHandlerInterface {
    
    /**
     * Creates a file from an upload.
     *
     * @param \Drupal\file\Upload\UploadedFileInterface $uploadedFile
     *   The uploaded file object.
     * @param array $validators
     *   The validators to run against the uploaded file.
     * @param string $destination
     *   The destination directory.
     * @param \Drupal\Core\File\FileExists|int $fileExists
     *   The behavior when the destination file already exists.
     *
     * @return \Drupal\file\Upload\FileUploadResult
     *   The created file entity.
     *
     * @throws \Symfony\Component\HttpFoundation\File\Exception\FileException
     *    Thrown when a file upload error occurred and $throws is TRUE.
     * @throws \Drupal\Core\File\Exception\FileWriteException
     *    Thrown when there is an error moving the file and $throws is TRUE.
     * @throws \Drupal\Core\File\Exception\FileException
     *    Thrown when a file system error occurs and $throws is TRUE.
     * @throws \Drupal\file\Upload\FileValidationException
     *    Thrown when file validation fails and $throws is TRUE.
     * @throws \Drupal\Core\Lock\LockAcquiringException
     *   Thrown when a lock cannot be acquired.
     * @throws \ValueError
     *   Thrown if $fileExists is a legacy int and not a valid value.
     */
    public function handleFileUpload(UploadedFileInterface $uploadedFile, array $validators = [], string $destination = 'temporary://', $fileExists = FileExists::Replace) : FileUploadResult;

}