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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Abstract.php 18688 2009-10-25 16:08:24Z thomas $
*/
/**
* @see Zend_Validate_Interface
*/
require_once 'Zend/Validate/Interface.php';
/**
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
abstract class Zend_Validate_Abstract implements Zend_Validate_Interface
{
/**
* The value to be validated
*
* @var mixed
*/
protected $_value;
/**
* Additional variables available for validation failure messages
*
* @var array
*/
protected $_messageVariables = array();
/**
* Validation failure message template definitions
*
* @var array
*/
protected $_messageTemplates = array();
/**
* Array of validation failure messages
*
* @var array
*/
protected $_messages = array();
/**
* Flag indidcating whether or not value should be obfuscated in error
* messages
* @var bool
*/
protected $_obscureValue = false;
/**
* Array of validation failure message codes
*
* @var array
* @deprecated Since 1.5.0
*/
protected $_errors = array();
/**
* Translation object
* @var Zend_Translate
*/
protected $_translator;
/**
* Default translation object for all validate objects
* @var Zend_Translate
*/
protected static $_defaultTranslator;
/**
* Is translation disabled?
* @var Boolean
*/
protected $_translatorDisabled = false;
/**
* Limits the maximum returned length of a error message
*
* @var Integer
*/
protected static $_messageLength = -1;
/**
* Returns array of validation failure messages
*
* @return array
*/
public function getMessages()
{
return $this->_messages;
}
/**
* Returns an array of the names of variables that are used in constructing validation failure messages
*
* @return array
*/
public function getMessageVariables()
{
return array_keys($this->_messageVariables);
}
/**
* Returns the message templates from the validator
*
* @return array
*/
public function getMessageTemplates()
{
return $this->_messageTemplates;
}
/**
* Sets the validation failure message template for a particular key
*
* @param string $messageString
* @param string $messageKey OPTIONAL
* @return Zend_Validate_Abstract Provides a fluent interface
* @throws Zend_Validate_Exception
*/
public function setMessage($messageString, $messageKey = null)
{
if ($messageKey === null) {
$keys = array_keys($this->_messageTemplates);
foreach($keys as $key) {
$this->setMessage($messageString, $key);
}
return $this;
}
if (!isset($this->_messageTemplates[$messageKey])) {
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception("No message template exists for key '$messageKey'");
}
$this->_messageTemplates[$messageKey] = $messageString;
return $this;
}
/**
* Sets validation failure message templates given as an array, where the array keys are the message keys,
* and the array values are the message template strings.
*
* @param array $messages
* @return Zend_Validate_Abstract
*/
public function setMessages(array $messages)
{
foreach ($messages as $key => $message) {
$this->setMessage($message, $key);
}
return $this;
}
/**
* Magic function returns the value of the requested property, if and only if it is the value or a
* message variable.
*
* @param string $property
* @return mixed
* @throws Zend_Validate_Exception
*/
public function __get($property)
{
if ($property == 'value') {
return $this->_value;
}
if (array_key_exists($property, $this->_messageVariables)) {
return $this->{$this->_messageVariables[$property]};
}
/**
* @see Zend_Validate_Exception
*/
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception("No property exists by the name '$property'");
}
/**
* Constructs and returns a validation failure message with the given message key and value.
*
* Returns null if and only if $messageKey does not correspond to an existing template.
*
* If a translator is available and a translation exists for $messageKey,
* the translation will be used.
*
* @param string $messageKey
* @param string $value
* @return string
*/
protected function _createMessage($messageKey, $value)
{
if (!isset($this->_messageTemplates[$messageKey])) {
return null;
}
$message = $this->_messageTemplates[$messageKey];
if (null !== ($translator = $this->getTranslator())) {
if ($translator->isTranslated($message)) {
$message = $translator->translate($message);
} elseif ($translator->isTranslated($messageKey)) {
$message = $translator->translate($messageKey);
}
}
if (is_object($value)) {
if (!in_array('__toString', get_class_methods($value))) {
$value = get_class($value) . ' object';
} else {
$value = $value->__toString();
}
} else {
$value = (string)$value;
}
if ($this->getObscureValue()) {
$value = str_repeat('*', strlen($value));
}
$message = str_replace('%value%', (string) $value, $message);
foreach ($this->_messageVariables as $ident => $property) {
$message = str_replace("%$ident%", (string) $this->$property, $message);
}
$length = self::getMessageLength();
if (($length > -1) && (strlen($message) > $length)) {
$message = substr($message, 0, (self::getMessageLength() - 3)) . '...';
}
return $message;
}
/**
* @param string $messageKey OPTIONAL
* @param string $value OPTIONAL
* @return void
*/
protected function _error($messageKey = null, $value = null)
{
if ($messageKey === null) {
$keys = array_keys($this->_messageTemplates);
$messageKey = current($keys);
}
if ($value === null) {
$value = $this->_value;
}
$this->_errors[] = $messageKey;
$this->_messages[$messageKey] = $this->_createMessage($messageKey, $value);
}
/**
* Sets the value to be validated and clears the messages and errors arrays
*
* @param mixed $value
* @return void
*/
protected function _setValue($value)
{
$this->_value = $value;
$this->_messages = array();
$this->_errors = array();
}
/**
* Returns array of validation failure message codes
*
* @return array
* @deprecated Since 1.5.0
*/
public function getErrors()
{
return $this->_errors;
}
/**
* Set flag indicating whether or not value should be obfuscated in messages
*
* @param bool $flag
* @return Zend_Validate_Abstract
*/
public function setObscureValue($flag)
{
$this->_obscureValue = (bool) $flag;
return $this;
}
/**
* Retrieve flag indicating whether or not value should be obfuscated in
* messages
*
* @return bool
*/
public function getObscureValue()
{
return $this->_obscureValue;
}
/**
* Set translation object
*
* @param Zend_Translate|Zend_Translate_Adapter|null $translator
* @return Zend_Validate_Abstract
*/
public function setTranslator($translator = null)
{
if ((null === $translator) || ($translator instanceof Zend_Translate_Adapter)) {
$this->_translator = $translator;
} elseif ($translator instanceof Zend_Translate) {
$this->_translator = $translator->getAdapter();
} else {
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception('Invalid translator specified');
}
return $this;
}
/**
* Return translation object
*
* @return Zend_Translate_Adapter|null
*/
public function getTranslator()
{
if ($this->translatorIsDisabled()) {
return null;
}
if (null === $this->_translator) {
return self::getDefaultTranslator();
}
return $this->_translator;
}
/**
* Set default translation object for all validate objects
*
* @param Zend_Translate|Zend_Translate_Adapter|null $translator
* @return void
*/
public static function setDefaultTranslator($translator = null)
{
if ((null === $translator) || ($translator instanceof Zend_Translate_Adapter)) {
self::$_defaultTranslator = $translator;
} elseif ($translator instanceof Zend_Translate) {
self::$_defaultTranslator = $translator->getAdapter();
} else {
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception('Invalid translator specified');
}
}
/**
* Get default translation object for all validate objects
*
* @return Zend_Translate_Adapter|null
*/
public static function getDefaultTranslator()
{
if (null === self::$_defaultTranslator) {
require_once 'Zend/Registry.php';
if (Zend_Registry::isRegistered('Zend_Translate')) {
$translator = Zend_Registry::get('Zend_Translate');
if ($translator instanceof Zend_Translate_Adapter) {
return $translator;
} elseif ($translator instanceof Zend_Translate) {
return $translator->getAdapter();
}
}
}
return self::$_defaultTranslator;
}
/**
* Indicate whether or not translation should be disabled
*
* @param bool $flag
* @return Zend_Validate_Abstract
*/
public function setDisableTranslator($flag)
{
$this->_translatorDisabled = (bool) $flag;
return $this;
}
/**
* Is translation disabled?
*
* @return bool
*/
public function translatorIsDisabled()
{
return $this->_translatorDisabled;
}
/**
* Returns the maximum allowed message length
*
* @return integer
*/
public static function getMessageLength()
{
return self::$_messageLength;
}
/**
* Sets the maximum allowed message length
*
* @param integer $length
*/
public static function setMessageLength($length = -1)
{
self::$_messageLength = $length;
}
}
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