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<?php
/* --------------------------------------------------------------
ImageFileStorage.inc.php 2016-04-20
Gambio GmbH
http://www.gambio.de
Copyright (c) 2016 Gambio GmbH
Released under the GNU General Public License (Version 2)
[http://www.gnu.org/licenses/gpl-2.0.html]
--------------------------------------------------------------
*/
/**
* Class AbstractFileStorage
*
* @category System
* @package Shared
* @subpackage Storage
*/
class ImageFileStorage extends AbstractFileStorage
{
/**
* Validates the provided file.
*
* @param \ExistingFile $sourceFile The file to validate.
*
* @return \ImageFileStorage Same instance for chained method calls.
*/
protected function _validateFile(ExistingFile $sourceFile)
{
// No extra file validation is required currently.
return $this;
}
/**
* Validates the provided filename.
*
* Valid file extensions are: jpg|jpeg|png|gif|bmp
*
* @param \FilenameStringType $filename The filename to validate.
*
* @throws \InvalidArgumentException
*
* @return ImageFileStorage Same instance for chained method calls.
*/
protected function _validateFilename(FilenameStringType $filename) {
$validFileExtension = '/(.)(jpg|jpeg|png|gif|bmp)$/';
if (!preg_match($validFileExtension, strtolower($filename->asString())))
{
throw new \InvalidArgumentException($filename->asString() . ' has an invalid file extension.');
}
return $this;
}
}