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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;
use Zend\Serializer\Adapter\AdapterInterface as SerializerAdapter;
use Zend\Serializer\Serializer as SerializerFactory;
class SerializableStrategy implements StrategyInterface
{
/**
* @var string|SerializerAdapter
*/
protected $serializer;
/**
* @var array
*/
protected $serializerOptions = array();
/**
*
* @param mixed $serializer string or SerializerAdapter
* @param mixed $serializerOptions
*/
public function __construct($serializer, $serializerOptions = null)
{
$this->setSerializer($serializer);
if ($serializerOptions) {
$this->setSerializerOptions($serializerOptions);
}
}
/**
* Serialize the given value so that it can be extracted by the hydrator.
*
* @param mixed $value The original value.
* @return mixed Returns the value that should be extracted.
*/
public function extract($value)
{
$serializer = $this->getSerializer();
return $serializer->serialize($value);
}
/**
* Unserialize the given value so that it can be hydrated by the hydrator.
*
* @param mixed $value The original value.
* @return mixed Returns the value that should be hydrated.
*/
public function hydrate($value)
{
$serializer = $this->getSerializer();
return $serializer->unserialize($value);
}
/**
* Set serializer
*
* @param string|SerializerAdapter $serializer
* @return SerializableStrategy
*/
public function setSerializer($serializer)
{
if (!is_string($serializer) && !$serializer instanceof SerializerAdapter) {
throw new InvalidArgumentException(sprintf(
'%s expects either a string serializer name or Zend\Serializer\Adapter\AdapterInterface instance; '
. 'received "%s"',
__METHOD__,
(is_object($serializer) ? get_class($serializer) : gettype($serializer))
));
}
$this->serializer = $serializer;
return $this;
}
/**
* Get serializer
*
* @return SerializerAdapter
*/
public function getSerializer()
{
if (is_string($this->serializer)) {
$options = $this->getSerializerOptions();
$this->setSerializer(SerializerFactory::factory($this->serializer, $options));
} elseif (null === $this->serializer) {
$this->setSerializer(SerializerFactory::getDefaultAdapter());
}
return $this->serializer;
}
/**
* Set configuration options for instantiating a serializer adapter
*
* @param mixed $serializerOptions
* @return SerializableStrategy
*/
public function setSerializerOptions($serializerOptions)
{
$this->serializerOptions = $serializerOptions;
return $this;
}
/**
* Get configuration options for instantiating a serializer adapter
*
* @return mixed
*/
public function getSerializerOptions()
{
return $this->serializerOptions;
}
}