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/* --------------------------------------------------------------
WritableDirectory.inc.php 2016-01-27
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 WritableDirectory
*
* @category System
* @package Shared
* @subpackage FileSystem
*/
class WritableDirectory extends ExistingDirectory
{
/**
* WritableDirectory constructor.
*
* @param string $absoluteDirPath
*
* @throws InvalidArgumentException
*/
public function __construct($absoluteDirPath)
{
// Check for string type.
if(!is_string($absoluteDirPath))
{
throw new InvalidArgumentException('$absoluteDirPath must be a string, '
. gettype($absoluteDirPath) . ' given');
}
$realpath = realpath($absoluteDirPath);
// Check for directory existence.
if(!is_dir($realpath))
{
throw new InvalidArgumentException("'$absoluteDirPath' is not a valid directory path");
}
// Check whether directory is writable.
if(!is_writable($realpath))
{
throw new InvalidArgumentException("'$absoluteDirPath' is not writable");
}
$this->absoluteDirPath = $realpath;
}
}