1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (https://nette.org)
 5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
 6:  */
 7: 
 8: namespace Nette\Application\Responses;
 9: 
10: use Nette;
11: 
12: 
13: /**
14:  * JSON response used mainly for AJAX requests.
15:  *
16:  * @author     David Grudl
17:  *
18:  * @property-read array|\stdClass $payload
19:  * @property-read string $contentType
20:  */
21: class JsonResponse extends Nette\Object implements Nette\Application\IResponse
22: {
23:     /** @var array|\stdClass */
24:     private $payload;
25: 
26:     /** @var string */
27:     private $contentType;
28: 
29: 
30:     /**
31:      * @param  array|\stdClass  payload
32:      * @param  string    MIME content type
33:      */
34:     public function __construct($payload, $contentType = NULL)
35:     {
36:         if (!is_array($payload) && !is_object($payload)) {
37:             throw new Nette\InvalidArgumentException(sprintf('Payload must be array or object class, %s given.', gettype($payload)));
38:         }
39:         $this->payload = $payload;
40:         $this->contentType = $contentType ? $contentType : 'application/json';
41:     }
42: 
43: 
44:     /**
45:      * @return array|\stdClass
46:      */
47:     public function getPayload()
48:     {
49:         return $this->payload;
50:     }
51: 
52: 
53:     /**
54:      * Returns the MIME content type of a downloaded file.
55:      * @return string
56:      */
57:     public function getContentType()
58:     {
59:         return $this->contentType;
60:     }
61: 
62: 
63:     /**
64:      * Sends response to output.
65:      * @return void
66:      */
67:     public function send(Nette\Http\IRequest $httpRequest, Nette\Http\IResponse $httpResponse)
68:     {
69:         $httpResponse->setContentType($this->contentType);
70:         $httpResponse->setExpiration(FALSE);
71:         echo Nette\Utils\Json::encode($this->payload);
72:     }
73: 
74: }
75: