Viewing file:  BooleanStrategy.php (3.21 KB) -rwxrwxr-x
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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Stdlib\Hydrator\Strategy;
use Zend\Stdlib\Exception\InvalidArgumentException;
/**
* This Strategy extracts and hydrates int and string values to Boolean values
*
* @package Zend\Stdlib\Hydrator\Strategy
*/
final class BooleanStrategy implements StrategyInterface
{
/**
* @var int|string
*/
private $trueValue;
/**
* @var int|string
*/
private $falseValue;
/**
* @param int|string $trueValue
* @param int|string $falseValue
* @throws InvalidArgumentException
*/
public function __construct($trueValue, $falseValue)
{
if (!is_int($trueValue) && !is_string($trueValue)) {
throw new InvalidArgumentException(sprintf(
'Unable to instantiate BooleanStrategy. Expected int or string as $trueValue. %s was given',
is_object($trueValue) ? get_class($trueValue) : gettype($trueValue)
));
}
if (!is_int($falseValue) && !is_string($falseValue)) {
throw new InvalidArgumentException(sprintf(
'Unable to instantiate BooleanStrategy. Expected int or string as $falseValue. %s was given',
is_object($falseValue) ? get_class($falseValue) : gettype($falseValue)
));
}
$this->trueValue = $trueValue;
$this->falseValue = $falseValue;
}
/**
* Converts the given value so that it can be extracted by the hydrator.
*
* @param bool $value The original value.
* @throws InvalidArgumentException
* @return int|string Returns the value that should be extracted.
*/
public function extract($value)
{
if (!is_bool($value)) {
throw new InvalidArgumentException(sprintf(
'Unable to extract. Expected bool. %s was given.',
is_object($value) ? get_class($value) : gettype($value)
));
}
return $value === true ? $this->trueValue : $this->falseValue;
}
/**
* Converts the given value so that it can be hydrated by the hydrator.
*
* @param int|string $value The original value.
* @throws InvalidArgumentException
* @return bool Returns the value that should be hydrated.
*/
public function hydrate($value)
{
if (!is_string($value) && !is_int($value)) {
throw new InvalidArgumentException(sprintf(
'Unable to hydrate. Expected string or int. %s was given.',
is_object($value) ? get_class($value) : gettype($value)
));
}
if ($value === $this->trueValue) {
return true;
}
if ($value === $this->falseValue) {
return false;
}
throw new InvalidArgumentException(sprintf(
'Unexpected value %s can\'t be hydrated. Expect %s or %s as Value.',
$value,
$this->trueValue,
$this->falseValue
));
}
}
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