<?php
 
 /*
  * This file is part of the Symfony package.
  *
  * (c) Fabien Potencier <fabien@symfony.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
 
 namespace Symfony\Component\Translation\Loader;
 
 use Symfony\Component\Config\Resource\FileResource;
 use Symfony\Component\Translation\Exception\InvalidResourceException;
 use Symfony\Component\Translation\Exception\NotFoundResourceException;
 
 /**
  * @author Abdellatif Ait boudad <a.aitboudad@gmail.com>
  */
 abstract class FileLoader extends ArrayLoader
 {
     /**
      * {@inheritdoc}
      */
     public function load($resource, $locale, $domain = 'messages')
     {
         if (!stream_is_local($resource)) {
             throw new InvalidResourceException(sprintf('This is not a local file "%s".', $resource));
         }
 
         if (!file_exists($resource)) {
             throw new NotFoundResourceException(sprintf('File "%s" not found.', $resource));
         }
 
         $messages = $this->loadResource($resource);
 
         // empty resource
         if (null === $messages) {
             $messages = [];
         }
 
         // not an array
         if (!\is_array($messages)) {
             throw new InvalidResourceException(sprintf('Unable to load file "%s".', $resource));
         }
 
         $catalogue = parent::load($messages, $locale, $domain);
 
         if (class_exists('Symfony\Component\Config\Resource\FileResource')) {
             $catalogue->addResource(new FileResource($resource));
         }
 
         return $catalogue;
     }
 
     /**
      * @param string $resource
      *
      * @return array
      *
      * @throws InvalidResourceException if stream content has an invalid format
      */
     abstract protected function loadResource($resource);
 }