interface/modules/zend_modules/library/Zend/Validator/File/NotExists.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Validator\File;
  11
  12 use Zend\Validator\Exception;
  13
  14 /**
  15  * Validator which checks if the destination file does not exist
  16  */
  17 class NotExists extends Exists
  18 {
  19     /**
  20      * @const string Error constants
  21      */
  22     const DOES_EXIST = 'fileNotExistsDoesExist';
  23
  24     /**
  25      * @var array Error message templates
  26      */
  27     protected $messageTemplates = array(
  28         self::DOES_EXIST => "File exists",
  29     );
  30
  31     /**
  32      * Returns true if and only if the file does not exist in the set destinations
  33      *
  34      * @param  string|array $value Real file to check for existence
  35      * @param  array        $file  File data from \Zend\File\Transfer\Transfer (optional)
  36      * @return bool
  37      */
  38     public function isValid($value, $file = null)
  39     {
  40         if (is_string($value) && is_array($file)) {
  41             // Legacy Zend\Transfer API support
  42             $filename = $file['name'];
  43             $file     = $file['tmp_name'];
  44             $this->setValue($filename);
  45         } elseif (is_array($value)) {
  46             if (!isset($value['tmp_name']) || !isset($value['name'])) {
  47                 throw new Exception\InvalidArgumentException(
  48                     'Value array must be in $_FILES format'
  49                 );
  50             }
  51             $file     = $value['tmp_name'];
  52             $filename = basename($file);
  53             $this->setValue($value['name']);
  54         } else {
  55             $file     = $value;
  56             $filename = basename($file);
  57             $this->setValue($filename);
  58         }
  59
  60         $check = false;
  61         $directories = $this->getDirectory(true);
  62         if (!isset($directories)) {
  63             $check = true;
  64             if (file_exists($file)) {
  65                 $this->error(self::DOES_EXIST);
  66                 return false;
  67             }
  68         } else {
  69             foreach ($directories as $directory) {
  70                 if (!isset($directory) || '' === $directory) {
  71                     continue;
  72                 }
  73
  74                 $check = true;
  75                 if (file_exists($directory . DIRECTORY_SEPARATOR . $filename)) {
  76                     $this->error(self::DOES_EXIST);
  77                     return false;
  78                 }
  79             }
  80         }
  81
  82         if (!$check) {
  83             $this->error(self::DOES_EXIST);
  84             return false;
  85         }
  86
  87         return true;
  88     }
  89 }