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File: atom.php
<?php /** * @version $Id: atom.php 11687 2009-03-11 17:49:23Z ian $ * @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. * * @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; $uri =& JFactory::getURI(); $url = $uri->toString(array('scheme', 'user', 'pass', 'host', 'port')); $syndicationURL =& JRoute::_('&format=feed&type=atom'); $feed = "<feed xmlns=\"http://www.w3.org/2005/Atom\" "; if ($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"; $feed.= " <link rel=\"alternate\" type=\"text/html\" href=\"".$url."\"/>\n"; $feed.= " <id>".str_replace(' ','%20',$data->getBase())."</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!="") { $feed.= " <email>".htmlspecialchars($data->editorEmail, ENT_COMPAT, 'UTF-8')."</email>\n"; } $feed.= " </author>\n"; } $feed.= " <generator uri=\"http://joomla.org\" version=\"1.5\">".$data->getGenerator()."</generator>\n"; $feed.= '<link rel="self" type="application/atom+xml" href="'.str_replace(' ','%20',$url.$syndicationURL). "\" />\n"; for ($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"; $feed.= ' <link rel="alternate" type="text/html" href="'.$url.$data->items[$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>".str_replace(' ', '%20', $url.$data->items[$i]->link)."</id>\n"; if ($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[$i]->description, ENT_COMPAT, 'UTF-8')."</content>\n"; } if ($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; } }