/
SmartSerializer.php
88 lines (80 loc) · 2.34 KB
/
SmartSerializer.php
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<?php
namespace Elasticsearch\Serializers;
use Elasticsearch\Common\Exceptions\Serializer\JsonErrorException;
/**
* Class SmartSerializer
*
* @category Elasticsearch
* @package Elasticsearch\Serializers\JSONSerializer
* @author Zachary Tong <zach@elastic.co>
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache2
* @link http://elastic.co
*/
class SmartSerializer implements SerializerInterface
{
/**
* Serialize assoc array into JSON string
*
* @param string|array $data Assoc array to encode into JSON
*
* @return string
*/
public function serialize($data)
{
if (is_string($data) === true) {
return $data;
} else {
$data = json_encode($data, JSON_PRESERVE_ZERO_FRACTION);
if ($data === '[]') {
return '{}';
} else {
return $data;
}
}
}
/**
* Deserialize by introspecting content_type. Tries to deserialize JSON,
* otherwise returns string
*
* @param string $data JSON encoded string
* @param array $headers Response Headers
*
* @throws JsonErrorException
* @return array
*/
public function deserialize($data, $headers)
{
if (isset($headers['content_type']) === true) {
if (strpos($headers['content_type'], 'json') !== false) {
return $this->decode($data);
} else {
//Not json, return as string
return $data;
}
} else {
//No content headers, assume json
return $this->decode($data);
}
}
/**
* @todo For 2.0, remove the E_NOTICE check before raising the exception.
*
* @param $data
*
* @return array
* @throws JsonErrorException
*/
private function decode($data)
{
if ($data === null || strlen($data) === 0) {
return "";
}
$result = @json_decode($data, true);
// Throw exception only if E_NOTICE is on to maintain backwards-compatibility on systems that silently ignore E_NOTICEs.
if (json_last_error() !== JSON_ERROR_NONE && (error_reporting() & E_NOTICE) === E_NOTICE) {
$e = new JsonErrorException(json_last_error(), $data, $result);
throw $e;
}
return $result;
}
}