library/Zend/Validate/File/NotExists.php

   1 <?php
   2 /**
   3  * Zend Framework
   4  *
   5  * LICENSE
   6  *
   7  * This source file is subject to the new BSD license that is bundled
   8  * with this package in the file LICENSE.txt.
   9  * It is also available through the world-wide-web at this URL:
  10  * http://framework.zend.com/license/new-bsd
  11  * If you did not receive a copy of the license and are unable to
  12  * obtain it through the world-wide-web, please send an email
  13  * to license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category  Zend
  16  * @package   Zend_Validate
  17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  18  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  19  * @version   $Id$
  20  */
  21
  22 /**
  23  * @see Zend_Validate_File_Exists
  24  */
  25 require_once 'Zend/Validate/File/Exists.php';
  26
  27 /**
  28  * Validator which checks if the destination file does not exist
  29  *
  30  * @category  Zend
  31  * @package   Zend_Validate
  32  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  33  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  34  */
  35 class Zend_Validate_File_NotExists extends Zend_Validate_File_Exists
  36 {
  37     /**
  38      * @const string Error constants
  39      */
  40     const DOES_EXIST = 'fileNotExistsDoesExist';
  41
  42     /**
  43      * @var array Error message templates
  44      */
  45     protected $_messageTemplates = array(
  46         self::DOES_EXIST => "File '%value%' exists",
  47     );
  48
  49     /**
  50      * Defined by Zend_Validate_Interface
  51      *
  52      * Returns true if and only if the file does not exist in the set destinations
  53      *
  54      * @param  string  $value Real file to check for
  55      * @param  array   $file  File data from Zend_File_Transfer
  56      * @return boolean
  57      */
  58     public function isValid($value, $file = null)
  59     {
  60         $directories = $this->getDirectory(true);
  61         if (($file !== null) and (!empty($file['destination']))) {
  62             $directories[] = $file['destination'];
  63         } else if (!isset($file['name'])) {
  64             $file['name'] = $value;
  65         }
  66
  67         foreach ($directories as $directory) {
  68             if (empty($directory)) {
  69                 continue;
  70             }
  71
  72             $check = true;
  73             if (file_exists($directory . DIRECTORY_SEPARATOR . $file['name'])) {
  74                 return $this->_throw($file, self::DOES_EXIST);
  75             }
  76         }
  77
  78         if (!isset($check)) {
  79             return $this->_throw($file, self::DOES_EXIST);
  80         }
  81
  82         return true;
  83     }
  84 }