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<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2009 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Document;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Factory as CmsFactory;

/**
 * JsonDocument class, provides an easy interface to parse and display JSON output
 *
 * @link   http://www.json.org/
 * @since  1.7.0
 */
class JsonDocument extends Document
{
	/**
	 * Document name
	 *
	 * @var    string
	 * @since  1.7.0
	 */
	protected $_name = 'joomla';

/**
	 * Class constructor
	 *
	 * @param   array  $options  Associative array of options
	 *
	 * @since  1.7.0
	 */
	public function __construct($options = array())
	{
		parent::__construct($options);

// Set mime type
		if (isset($_SERVER['HTTP_ACCEPT'])
			&& strpos($_SERVER['HTTP_ACCEPT'], 'application/json') === false
			&& strpos($_SERVER['HTTP_ACCEPT'], 'text/html') !== false)
		{
			// Internet Explorer < 10
			$this->_mime = 'text/plain';
		}
		else
		{
			$this->_mime = 'application/json';
		}

// Set document type
		$this->_type = 'json';
	}

/**
	 * Render the document.
	 *
	 * @param   boolean  $cache   If true, cache the output
	 * @param   array    $params  Associative array of attributes
	 *
	 * @return  string  The rendered data
	 *
	 * @since  1.7.0
	 */
	public function render($cache = false, $params = array())
	{
		/** @var \Joomla\CMS\Application\CMSApplication $app */
		$app = CmsFactory::getApplication();

$app->allowCache($cache);

if ($this->_mime === 'application/json')
		{
			// Browser other than Internet Explorer < 10
			$app->setHeader('Content-Disposition', 'attachment; filename="' . $this->getName() . '.json"', true);
		}

parent::render($cache, $params);

return $this->getBuffer();
	}

/**
	 * Returns the document name
	 *
	 * @return  string
	 *
	 * @since  1.7.0
	 */
	public function getName()
	{
		return $this->_name;
	}

/**
	 * Sets the document name
	 *
	 * @param   string  $name  Document name
	 *
	 * @return  JsonDocument instance of $this to allow chaining
	 *
	 * @since   1.7.0
	 */
	public function setName($name = 'joomla')
	{
		$this->_name = $name;

return $this;
	}
}