abf1649b
 andryeyev
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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\web;
use Yii;
use yii\base\Component;
use yii\helpers\Json;
/**
* JsonResponseFormatter formats the given data into a JSON or JSONP response content.
*
* It is used by [[Response]] to format response data.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class JsonResponseFormatter extends Component implements ResponseFormatterInterface
{
/**
* @var boolean whether to use JSONP response format. When this is true, the [[Response::data|response data]]
* must be an array consisting of `data` and `callback` members. The latter should be a JavaScript
* function name while the former will be passed to this function as a parameter.
*/
public $useJsonp = false;
/**
* Formats the specified response.
* @param Response $response the response to be formatted.
*/
public function format($response)
{
if ($this->useJsonp) {
$this->formatJsonp($response);
} else {
$this->formatJson($response);
}
}
/**
* Formats response data in JSON format.
* @param Response $response
*/
protected function formatJson($response)
{
$response->getHeaders()->set('Content-Type', 'application/json; charset=UTF-8');
if ($response->data !== null) {
$response->content = Json::encode($response->data);
}
}
/**
* Formats response data in JSONP format.
* @param Response $response
*/
protected function formatJsonp($response)
{
$response->getHeaders()->set('Content-Type', 'application/javascript; charset=UTF-8');
if (is_array($response->data) && isset($response->data['data'], $response->data['callback'])) {
$response->content = sprintf('%s(%s);', $response->data['callback'], Json::htmlEncode($response->data['data']));
} elseif ($response->data !== null) {
$response->content = '';
Yii::warning("The 'jsonp' response requires that the data be an array consisting of both 'data' and 'callback' elements.", __METHOD__);
}
}
}
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