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.
16
* @package Zend_Validate
17
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
18
* @license http://framework.zend.com/license/new-bsd New BSD License
23
* @see Zend_Validate_Abstract
25
require_once 'Zend/Validate/Abstract.php';
28
* Validator which checks if the file already exists in the directory
31
* @package Zend_Validate
32
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
33
* @license http://framework.zend.com/license/new-bsd New BSD License
35
class Zend_Validate_File_Exists extends Zend_Validate_Abstract
38
* @const string Error constants
40
const DOES_NOT_EXIST = 'fileExistsDoesNotExist';
43
* @var array Error message templates
45
protected $_messageTemplates = array(
46
self::DOES_NOT_EXIST => "The file '%value%' does not exist"
50
* Internal list of directories
53
protected $_directory = '';
56
* @var array Error message template variables
58
protected $_messageVariables = array(
59
'directory' => '_directory'
63
* Sets validator options
65
* @param string|array $directory
68
public function __construct($directory = array())
70
if ($directory instanceof Zend_Config) {
71
$directory = $directory->toArray();
72
} else if (is_string($directory)) {
73
$directory = explode(',', $directory);
74
} else if (!is_array($directory)) {
75
require_once 'Zend/Validate/Exception.php';
76
throw new Zend_Validate_Exception ('Invalid options to validator provided');
79
$this->setDirectory($directory);
83
* Returns the set file directories which are checked
85
* @param boolean $asArray Returns the values as array, when false an concated string is returned
88
public function getDirectory($asArray = false)
90
$asArray = (bool) $asArray;
91
$directory = (string) $this->_directory;
93
$directory = explode(',', $directory);
100
* Sets the file directory which will be checked
102
* @param string|array $directory The directories to validate
103
* @return Zend_Validate_File_Extension Provides a fluent interface
105
public function setDirectory($directory)
107
$this->_directory = null;
108
$this->addDirectory($directory);
113
* Adds the file directory which will be checked
115
* @param string|array $directory The directory to add for validation
116
* @return Zend_Validate_File_Extension Provides a fluent interface
118
public function addDirectory($directory)
120
$directories = $this->getDirectory(true);
122
if (is_string($directory)) {
123
$directory = explode(',', $directory);
124
} else if (!is_array($directory)) {
125
require_once 'Zend/Validate/Exception.php';
126
throw new Zend_Validate_Exception ('Invalid options to validator provided');
129
foreach ($directory as $content) {
130
if (empty($content) || !is_string($content)) {
134
$directories[] = trim($content);
136
$directories = array_unique($directories);
138
// Sanity check to ensure no empty values
139
foreach ($directories as $key => $dir) {
141
unset($directories[$key]);
145
$this->_directory = implode(',', $directories);
151
* Defined by Zend_Validate_Interface
153
* Returns true if and only if the file already exists in the set directories
155
* @param string $value Real file to check for existance
156
* @param array $file File data from Zend_File_Transfer
159
public function isValid($value, $file = null)
161
$directories = $this->getDirectory(true);
162
if (($file !== null) and (!empty($file['destination']))) {
163
$directories[] = $file['destination'];
164
} else if (!isset($file['name'])) {
165
$file['name'] = $value;
169
foreach ($directories as $directory) {
170
if (empty($directory)) {
175
if (!file_exists($directory . DIRECTORY_SEPARATOR . $file['name'])) {
176
return $this->_throw($file, self::DOES_NOT_EXIST);
181
return $this->_throw($file, self::DOES_NOT_EXIST);
188
* Throws an error of the given type
190
* @param string $file
191
* @param string $errorType
194
protected function _throw($file, $errorType)
196
if ($file !== null) {
197
$this->_value = $file['name'];
200
$this->_error($errorType);