FormUploadedFile.php

<?php

namespace Drupal\file\Upload;

use Drupal\file\Validation\Constraint\UploadedFileConstraint;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\Validator\ConstraintViolationListInterface;
use Symfony\Component\Validator\Validator\ValidatorInterface;

/**
 * Provides a bridge to Symfony UploadedFile.
 */
class FormUploadedFile implements UploadedFileInterface {
  
  /**
   * The wrapped uploaded file.
   *
   * @var \Symfony\Component\HttpFoundation\File\UploadedFile
   */
  protected $uploadedFile;
  
  /**
   * Creates a new FormUploadedFile.
   *
   * @param \Symfony\Component\HttpFoundation\File\UploadedFile $uploadedFile
   *   The wrapped Symfony uploaded file.
   */
  public function __construct(UploadedFile $uploadedFile) {
    $this->uploadedFile = $uploadedFile;
  }
  
  /**
   * {@inheritdoc}
   */
  public function getClientOriginalName() : string {
    return $this->uploadedFile
      ->getClientOriginalName();
  }
  
  /**
   * {@inheritdoc}
   */
  public function getSize() : int {
    return $this->uploadedFile
      ->getSize();
  }
  
  /**
   * {@inheritdoc}
   */
  public function getRealPath() {
    return $this->uploadedFile
      ->getRealPath();
  }
  
  /**
   * {@inheritdoc}
   */
  public function getPathname() : string {
    return $this->uploadedFile
      ->getPathname();
  }
  
  /**
   * {@inheritdoc}
   */
  public function getFilename() : string {
    return $this->uploadedFile
      ->getFilename();
  }
  
  /**
   * {@inheritdoc}
   */
  public function validate(ValidatorInterface $validator, array $options = []) : ConstraintViolationListInterface {
    $constraint = new UploadedFileConstraint($options);
    return $validator->validate($this->uploadedFile, $constraint);
  }

}