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Source code for file /joomla/document/feed/renderer/atom.php

Documentation is available at atom.php

  1. <?php
  2. /**
  3.  * @version        $Id: atom.php 9794 2008-01-02 10:57:00Z tcp $
  4.  * @package        Joomla.Framework
  5.  * @subpackage    Document
  6.  * @copyright    Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
  7.  * @license        GNU/GPL, see LICENSE.php
  8.  *  Joomla! is free software. This version may have been modified pursuant
  9.  *  to the GNU General Public License, and as distributed it includes or
  10.  *  is derivative of works licensed under the GNU General Public License or
  11.  *  other free or open source software licenses.
  12.  *  See COPYRIGHT.php for copyright notices and details.
  13.  */
  14.  
  15. // Check to ensure this file is within the rest of the framework
  16. defined('JPATH_BASE') or die();
  17.  
  18. jimport( 'joomla.utilities.date' );
  19.  
  20. /**
  21.  * JDocumentRenderer_Atom is a feed that implements the atom specification
  22.  *
  23.  * Please note that just by using this class you won't automatically
  24.  * produce valid atom files. For example, you have to specify either an editor
  25.  * for the feed or an author for every single feed item.
  26.  *
  27.  * @author    Johan Janssens <johan.janssens@joomla.org>
  28.  *
  29.  * @package     Joomla.Framework
  30.  * @subpackage    Document
  31.  * @see http://www.atomenabled.org/developers/syndication/atom-format-spec.php
  32.  * @since    1.5
  33.  */
  34.  
  35.  class JDocumentRendererAtom extends JDocumentRenderer
  36.  {
  37.     /**
  38.      * Document mime type
  39.      *
  40.      * @var        string 
  41.      * @access    private
  42.      */
  43.      var $_mime = "application/atom+xml";
  44.  
  45.     /**
  46.      * Render the feed
  47.      *
  48.      * @access public
  49.      * @return string 
  50.      */
  51.     function render()
  52.     {
  53.         $now    = new JDate();
  54.         $data    =& $this->_doc;
  55.  
  56.         $feed = "<feed xmlns=\"http://www.w3.org/2005/Atom\" xml:base=\"".$data->getBase()."\"";
  57.         if ($data->language!="") {
  58.             $feed.= " xml:lang=\"".$data->language."\"";
  59.         }
  60.         $feed.= ">\n";
  61.         $feed.= "    <title type=\"text\">".htmlspecialchars($data->title, ENT_COMPAT, 'UTF-8')."</title>\n";
  62.         $feed.= "    <subtitle type=\"text\">".htmlspecialchars($data->description, ENT_COMPAT, 'UTF-8')."</subtitle>\n";
  63.         $feed.= "    <link rel=\"alternate\" type=\"text/html\" href=\"".$data->link."\"/>\n";
  64.         $feed.= "    <id>".$data->link."</id>\n";
  65.         $feed.= "    <updated>".htmlspecialchars($now->toISO8601(), ENT_COMPAT, 'UTF-8')."</updated>\n";
  66.         if ($data->editor!="") {
  67.             $feed.= "    <author>\n";
  68.             $feed.= "        <name>".$data->editor."</name>\n";
  69.             if ($data->editorEmail!="") {
  70.                 $feed.= "        <email>".$data->editorEmail."</email>\n";
  71.             }
  72.             $feed.= "    </author>\n";
  73.         }
  74.         $feed.= "    <generator uri=\"http://joomla.org\" version=\"1.5\">".$data->getGenerator()."</generator>\n";
  75.         $feed.= "<link rel=\"self\" type=\"application/atom+xml\" href=\"". $data->syndicationURL . "\" />\n";
  76.         for ($i=0;$i<count($data->items);$i++)
  77.         {
  78.             $feed.= "    <entry>\n";
  79.             $feed.= "        <title>".htmlspecialchars(strip_tags($data->items[$i]->title), ENT_COMPAT, 'UTF-8')."</title>\n";
  80.             $feed.= '        <link rel="alternate" type="text/html" href="'.$data->items[$i]->link."\"/>\n";
  81.  
  82.             if ($data->items[$i]->date=="") {
  83.                 $data->items[$i]->date = time();
  84.             }
  85.             $itemDate = new JDate($data->items[$i]->date);
  86.             $feed.= "        <published>".htmlspecialchars($itemDate->toISO8601(), ENT_COMPAT, 'UTF-8')."</published>\n";
  87.             $feed.= "        <updated>".htmlspecialchars($itemDate->toISO8601(),ENT_COMPAT, 'UTF-8')."</updated>\n";
  88.             $feed.= "        <id>".htmlspecialchars($data->items[$i]->link, ENT_COMPAT, 'UTF-8')."</id>\n";
  89.  
  90.             if ($data->items[$i]->author!="")
  91.             {
  92.                 $feed.= "        <author>\n";
  93.                 $feed.= "            <name>".htmlspecialchars($data->items[$i]->author, ENT_COMPAT, 'UTF-8')."</name>\n";
  94.                 $feed.= "        </author>\n";
  95.             }
  96.             if ($data->items[$i]->description!="") {
  97.                 $feed.= "        <summary type=\"html\">".htmlspecialchars($data->items[$i]->description, ENT_COMPAT, 'UTF-8')."</summary>\n";
  98.                 $feed.= "        <content type=\"html\">".htmlspecialchars($data->items[$i]->description, ENT_COMPAT, 'UTF-8')."</content>\n";
  99.             }
  100.             if ($data->items[$i]->enclosure != NULL) {
  101.             $feed.="        <link rel=\"enclosure\" href=\"". $data->items[$i]->enclosure->url ."\" type=\"". $data->items[$i]->enclosure->type."\"  length=\"". $data->items[$i]->enclosure->length . "\" />\n";
  102.             }
  103.             $feed.= "    </entry>\n";
  104.         }
  105.         $feed.= "</feed>\n";
  106.         return $feed;
  107.     }
  108. }
Documentation generated on Tue, 29 Jan 2008 18:44:30 +0000 by phpDocumentor 1.3.1