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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Controller
* @subpackage Zend_Controller_Action_Helper
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Json.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/**
* @see Zend_Controller_Action_Helper_Abstract
*/
require_once 'Zend/Controller/Action/Helper/Abstract.php';
/**
* Simplify AJAX context switching based on requested format
*
* @uses Zend_Controller_Action_Helper_Abstract
* @category Zend
* @package Zend_Controller
* @subpackage Zend_Controller_Action_Helper
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Controller_Action_Helper_Json extends Zend_Controller_Action_Helper_Abstract
{
/**
* Suppress exit when sendJson() called
* @var boolean
*/
public $suppressExit = false;
/**
* Create JSON response
*
* Encodes and returns data to JSON. Content-Type header set to
* 'application/json', and disables layouts and viewRenderer (if being
* used).
*
* @param mixed $data
* @param boolean $keepLayouts
* @param boolean|array $keepLayouts
* NOTE: if boolean, establish $keepLayouts to true|false
* if array, admit params for Zend_Json::encode as enableJsonExprFinder=>true|false
* if $keepLayouts and parmas for Zend_Json::encode are required
* then, the array can contains a 'keepLayout'=>true|false
* that will not be passed to Zend_Json::encode method but will be passed
* to Zend_View_Helper_Json
* @throws Zend_Controller_Action_Helper_Json
* @return string
*/
public function encodeJson($data, $keepLayouts = false)
{
/**
* @see Zend_View_Helper_Json
*/
require_once 'Zend/View/Helper/Json.php';
$jsonHelper = new Zend_View_Helper_Json();
$data = $jsonHelper->json($data, $keepLayouts);
if (!$keepLayouts) {
/**
* @see Zend_Controller_Action_HelperBroker
*/
require_once 'Zend/Controller/Action/HelperBroker.php';
Zend_Controller_Action_HelperBroker::getStaticHelper('viewRenderer')->setNoRender(true);
}
return $data;
}
/**
* Encode JSON response and immediately send
*
* @param mixed $data
* @param boolean|array $keepLayouts
* NOTE: if boolean, establish $keepLayouts to true|false
* if array, admit params for Zend_Json::encode as enableJsonExprFinder=>true|false
* if $keepLayouts and parmas for Zend_Json::encode are required
* then, the array can contains a 'keepLayout'=>true|false
* that will not be passed to Zend_Json::encode method but will be passed
* to Zend_View_Helper_Json
* @return string|void
*/
public function sendJson($data, $keepLayouts = false)
{
$data = $this->encodeJson($data, $keepLayouts);
$response = $this->getResponse();
$response->setBody($data);
if (!$this->suppressExit) {
$response->sendResponse();
exit;
}
return $data;
}
/**
* Strategy pattern: call helper as helper broker method
*
* Allows encoding JSON. If $sendNow is true, immediately sends JSON
* response.
*
* @param mixed $data
* @param boolean $sendNow
* @param boolean $keepLayouts
* @return string|void
*/
public function direct($data, $sendNow = true, $keepLayouts = false)
{
if ($sendNow) {
return $this->sendJson($data, $keepLayouts);
}
return $this->encodeJson($data, $keepLayouts);
}
}
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