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   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 [email protected] 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  }