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<?php
/**
* @version $Id: atom.php 10079 2008-02-28 13:39:08Z ircmaxell $
* @package Joomla.Framework
* @subpackage Document
* @copyright Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// Check to ensure this file is within the rest of the framework
defined('JPATH_BASE') or die();
/**
* JDocumentRenderer_Atom is a feed that implements the atom specification
*
* Please note that just by using this class you won't automatically
* produce valid atom files. For example, you have to specify either an editor
* for the feed or an author for every single feed item.
*
* @author Johan Janssens <johan.janssens@joomla.org>
*
* @package Joomla.Framework
* @subpackage Document
* @see http://www.atomenabled.org/developers/syndication/atom-format-spec.php
* @since 1.5
*/
class JDocumentRendererAtom extends JDocumentRenderer
{
/**
* Document mime type
*
* @var string
* @access private
*/
var $_mime = "application/atom+xml";
/**
* Render the feed
*
* @access public
* @return string
*/
function render()
{
$now =& JFactory::getDate();
$data =& $this->_doc;
$feed = "<feed xmlns=\"http://www.w3.org/2005/Atom\" xml:base=\"".$data->getBase()."\"";
if ($data->language!="") {
$feed.= " xml:lang=\"".$data->language."\"";
}
$feed.= ">\n";
$feed.= " <title type=\"text\">".htmlspecialchars($data->title, ENT_COMPAT, 'UTF-8')."</title>\n";
$feed.= " <subtitle type=\"text\">".htmlspecialchars($data->description, ENT_COMPAT, 'UTF-8')."</subtitle>\n";
$feed.= " <link rel=\"alternate\" type=\"text/html\" href=\"".$data->link."\"/>\n";
$feed.= " <id>".$data->link."</id>\n";
$feed.= " <updated>".htmlspecialchars($now->toISO8601(), ENT_COMPAT, 'UTF-8')."</updated>\n";
if ($data->editor!="") {
$feed.= " <author>\n";
$feed.= " <name>".$data->editor."</name>\n";
if ($data->editorEmail!="") {
$feed.= " <email>".$data->editorEmail."</email>\n";
}
$feed.= " </author>\n";
}
$feed.= " <generator uri=\"http://joomla.org\" version=\"1.5\">".$data->getGenerator()."</generator>\n";
$feed.= "<link rel=\"self\" type=\"application/atom+xml\" href=\"". $data->syndicationURL . "\" />\n";
for ($i=0;$i<count($data->items);$i++)
{
$feed.= " <entry>\n";
$feed.= " <title>".htmlspecialchars(strip_tags($data->items[$i]->title), ENT_COMPAT, 'UTF-8')."</title>\n";
$feed.= ' <link rel="alternate" type="text/html" href="'.$data->items[$i]->link."\"/>\n";
if ($data->items[$i]->date=="") {
$data->items[$i]->date = $now->toUnix();
}
$itemDate =& JFactory::getDate($data->items[$i]->date);
$feed.= " <published>".htmlspecialchars($itemDate->toISO8601(), ENT_COMPAT, 'UTF-8')."</published>\n";
$feed.= " <updated>".htmlspecialchars($itemDate->toISO8601(),ENT_COMPAT, 'UTF-8')."</updated>\n";
$feed.= " <id>".htmlspecialchars($data->items[$i]->link, ENT_COMPAT, 'UTF-8')."</id>\n";
if ($data->items[$i]->author!="")
{
$feed.= " <author>\n";
$feed.= " <name>".htmlspecialchars($data->items[$i]->author, ENT_COMPAT, 'UTF-8')."</name>\n";
$feed.= " </author>\n";
}
if ($data->items[$i]->description!="") {
$feed.= " <summary type=\"html\">".htmlspecialchars($data->items[$i]->description, ENT_COMPAT, 'UTF-8')."</summary>\n";
$feed.= " <content type=\"html\">".htmlspecialchars($data->items[$i]->description, ENT_COMPAT, 'UTF-8')."</content>\n";
}
if ($data->items[$i]->enclosure != NULL) {
$feed.=" <link rel=\"enclosure\" href=\"". $data->items[$i]->enclosure->url ."\" type=\"". $data->items[$i]->enclosure->type."\" length=\"". $data->items[$i]->enclosure->length . "\" />\n";
}
$feed.= " </entry>\n";
}
$feed.= "</feed>\n";
return $feed;
}
}