<?php
/**
* Validator constraint delegates validation of value's property to wrapped validator.
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/

namespace Magento\Framework\Validator\Constraint;

class Property extends \Magento\Framework\Validator\Constraint
{
/**
* Property name
*
* @var string
*/
protected $_property;

/**
* Constructor
*
* @param \Magento\Framework\Validator\ValidatorInterface $validator
* @param string $property
* @param string $alias
*/
public function __construct(\Magento\Framework\Validator\ValidatorInterface $validator, $property, $alias = null)
{
parent::__construct($validator, $alias);
$this->_property = $property;
}

/**
* Get value that should be validated. Tries to extract value's property if \Magento\Framework\DataObject or
* \ArrayAccess or array is passed
*
* @param mixed $value
* @return mixed
*/
protected function _getValidatorValue($value)
{
$result = null;

if ($value instanceof \Magento\Framework\DataObject) {
$result = $value->getDataUsingMethod($this->_property);
} elseif ((is_array($value) || $value instanceof \ArrayAccess) && isset($value[$this->_property])) {
$result = $value[$this->_property];
}

return $result;
}

/**
* Add messages with code of property name
*
* @param array $messages
* @return void
*/
protected function _addMessages(array $messages)
{
$this->_messages[$this->_property] = $messages;
}
}