<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/

namespace Magento\Framework;

/**
* Validator class that represents chain of validators.
*
* @api
* @since 100.0.2
*/
class Validator extends \Magento\Framework\Validator\AbstractValidator
{
/**
* Validator chain
*
* @var array
*/
protected $_validators = [];

/**
* Adds a validator to the end of the chain
*
* @param \Magento\Framework\Validator\ValidatorInterface $validator
* @param boolean $breakChainOnFailure
* @return \Magento\Framework\Validator
*/
public function addValidator(
\Magento\Framework\Validator\ValidatorInterface $validator,
$breakChainOnFailure = false
) {
if (!$validator->hasTranslator()) {
$validator->setTranslator($this->getTranslator());
}
$this->_validators[] = [
'instance' => $validator,
'breakChainOnFailure' => (bool)$breakChainOnFailure,
];
return $this;
}

/**
* Returns true if and only if $value passes all validations in the chain
*
* @param mixed $value
* @return boolean
*/
public function isValid($value)
{
$result = true;
$this->_clearMessages();

/** @var $validator \Zend_Validate_Interface */
foreach ($this->_validators as $element) {
$validator = $element['instance'];
if ($validator->isValid($value)) {
continue;
}
$result = false;
$this->_addMessages($validator->getMessages());
if ($element['breakChainOnFailure']) {
break;
}
}

return $result;
}

/**
* Set translator to chain.
*
* @param \Magento\Framework\Translate\AdapterInterface|null $translator
* @return \Magento\Framework\Validator\AbstractValidator
*/
public function setTranslator($translator = null)
{
foreach ($this->_validators as $validator) {
$validator['instance']->setTranslator($translator);
}
return parent::setTranslator($translator);
}
}