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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Validator\File;
use Zend\Validator\Exception;
/**
* Validator which checks if the destination file does not exist
*/
class NotExists extends Exists
{
/**
* @const string Error constants
*/
const DOES_EXIST = 'fileNotExistsDoesExist';
/**
* @var array Error message templates
*/
protected $messageTemplates = array(
self::DOES_EXIST => "File exists",
);
/**
* Returns true if and only if the file does not exist in the set destinations
*
* @param string|array $value Real file to check for existence
* @param array $file File data from \Zend\File\Transfer\Transfer (optional)
* @return bool
*/
public function isValid($value, $file = null)
{
if (is_string($value) && is_array($file)) {
// Legacy Zend\Transfer API support
$filename = $file['name'];
$file = $file['tmp_name'];
$this->setValue($filename);
} elseif (is_array($value)) {
if (!isset($value['tmp_name']) || !isset($value['name'])) {
throw new Exception\InvalidArgumentException(
'Value array must be in $_FILES format'
);
}
$file = $value['tmp_name'];
$filename = basename($file);
$this->setValue($value['name']);
} else {
$file = $value;
$filename = basename($file);
$this->setValue($filename);
}
$check = false;
$directories = $this->getDirectory(true);
if (!isset($directories)) {
$check = true;
if (file_exists($file)) {
$this->error(self::DOES_EXIST);
return false;
}
} else {
foreach ($directories as $directory) {
if (!isset($directory) || '' === $directory) {
continue;
}
$check = true;
if (file_exists($directory . DIRECTORY_SEPARATOR . $filename)) {
$this->error(self::DOES_EXIST);
return false;
}
}
}
if (!$check) {
$this->error(self::DOES_EXIST);
return false;
}
return true;
}
}