<?php
/**
* @package Joomla.Platform
* @subpackage Document
*
* @copyright Copyright (C) 2005 - 2011 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') 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.
*
* @package Joomla.Platform
* @subpackage Document
* @see http://www.atomenabled.org/developers/syndication/atom-format-spec.php
* @since 11.1
*/
class JDocumentRendererAtom extends JDocumentRenderer
{
/**
* Document mime type
*
* @var string
* @since 11.1
*/
protected $_mime = "application/atom+xml";
/**
* Render the feed
*
* @return string
* @since 11.1
*/
public function render()
{
$app = JFactory::getApplication();
// Gets and sets timezone offset from site configuration
$tz = new DateTimeZone($app->getCfg('offset'));
$now = JFactory::getDate();
$now->setTimeZone($tz);
$data = &$this->_doc;
$uri = JFactory::getURI();
$url = $uri->toString(array('scheme', 'user', 'pass', 'host', 'port'));
$syndicationURL = JRoute::_('&format=feed&type=atom');
if ($app->getCfg('sitename_pagetitles', 0) == 1) {
$title = JText::sprintf('JPAGETITLE', $app->getCfg('sitename'), $data->title);
}
elseif ($app->getCfg('sitename_pagetitles', 0) == 2) {
$title = JText::sprintf('JPAGETITLE', $data->title, $app->getCfg('sitename'));
}
else {
$title = $data->title;
}
$feed_title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8');
$feed = "<feed xmlns=\"http://www.w3.org/2005/Atom\" ";
if ($data->language!="") {
$feed.= " xml:lang=\"".$data->language."\"";
}
$feed.= ">\n";
$feed.= " <title type=\"text\">".$feed_title."</title>\n";
$feed.= " <subtitle type=\"text\">".htmlspecialchars($data->description, ENT_COMPAT, 'UTF-8')."</subtitle>\n";
if (empty($data->category) === false) {
if (is_array($data->category)) {
foreach ($data->category as $cat) {
$feed.= " <category term=\"".htmlspecialchars($cat, ENT_COMPAT, 'UTF-8')."\" />\n";
}
}
else {
$feed.= " <category term=\"".htmlspecialchars($data->category, ENT_COMPAT, 'UTF-8')."\" />\n";
}
}
$feed.= " <link rel=\"alternate\" type=\"text/html\" href=\"".$url."\"/>\n";
$feed.= " <id>".str_replace(' ', '%20',$data->getBase())."</id>\n";
$feed.= " <updated>".htmlspecialchars($now->toISO8601(true), ENT_COMPAT, 'UTF-8')."</updated>\n";
if ($data->editor!="") {
$feed.= " <author>\n";
$feed.= " <name>".$data->editor."</name>\n";
if ($data->editorEmail!="") {
$feed.= " <email>".htmlspecialchars($data->editorEmail, ENT_COMPAT, 'UTF-8')."</email>\n";
}
$feed.= " </author>\n";
}
$feed.= " <generator uri=\"http://joomla.org\" version=\"1.6\">".$data->getGenerator()."</generator>\n";
$feed.= ' <link rel="self" type="application/atom+xml" href="'.str_replace(' ', '%20', $url.$syndicationURL)."\"/>\n";
for ($i = 0, $count = count($data->items); $i < $count; $i++)
{
$feed.= " <entry>\n";
$feed.= " <title>".htmlspecialchars(strip_tags($data->items[$i]->title), ENT_COMPAT, 'UTF-8')."</title>\n";
$feed.= ' <link rel="alternate" type="text/html" href="'.$url.$data->items[$i]->link."\"/>\n";
if ($data->items[$i]->date=="") {
$data->items[$i]->date = $now->toUnix();
}
$itemDate = JFactory::getDate($data->items[$i]->date);
$itemDate->setTimeZone($tz);
$feed.= " <published>".htmlspecialchars($itemDate->toISO8601(true), ENT_COMPAT, 'UTF-8')."</published>\n";
$feed.= " <updated>".htmlspecialchars($itemDate->toISO8601(true), ENT_COMPAT, 'UTF-8')."</updated>\n";
if (empty($data->items[$i]->guid) === true) {
$feed.= " <id>".str_replace(' ', '%20', $url.$data->items[$i]->link)."</id>\n";
}
else {
$feed.= " <id>".htmlspecialchars($data->items[$i]->guid, ENT_COMPAT, 'UTF-8')."</id>\n";
}
if ($data->items[$i]->author!="")
{
$feed.= " <author>\n";
$feed.= " <name>".htmlspecialchars($data->items[$i]->author, ENT_COMPAT, 'UTF-8')."</name>\n";
if ($data->items[$i]->authorEmail!="") {
$feed.= " <email>".htmlspecialchars($data->items[$i]->authorEmail, ENT_COMPAT, 'UTF-8')."</email>\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[$i]->description, ENT_COMPAT, 'UTF-8')."</content>\n";
}
if (empty($data->items[$i]->category) === false) {
if (is_array($data->items[$i]->category)) {
foreach ($data->items[$i]->category as $cat) {
$feed.= " <category term=\"".htmlspecialchars($cat, ENT_COMPAT, 'UTF-8')."\" />\n";
}
}
else {
$feed.= " <category term=\"".htmlspecialchars($data->items[$i]->category, ENT_COMPAT, 'UTF-8')."\" />\n";
}
}
if ($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;
}
}