--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Feed/Writer/Extension/Atom/Renderer/Feed.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,123 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Feed.php 20325 2010-01-16 00:17:59Z padraic $
+ */
+ 
+/**
+ * @see Zend_Feed_Writer_Extension_RendererAbstract
+ */
+require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
+ 
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Feed_Writer_Extension_Atom_Renderer_Feed
+    extends Zend_Feed_Writer_Extension_RendererAbstract
+{
+
+    /**
+     * Set to TRUE if a rendering method actually renders something. This
+     * is used to prevent premature appending of a XML namespace declaration
+     * until an element which requires it is actually appended.
+     *
+     * @var bool
+     */
+    protected $_called = false;
+    
+    /**
+     * Render feed
+     * 
+     * @return void
+     */
+    public function render()
+    {
+        /**
+         * RSS 2.0 only. Used mainly to include Atom links and
+         * Pubsubhubbub Hub endpoint URIs under the Atom namespace
+         */
+        if (strtolower($this->getType()) == 'atom') {
+            return;
+        }
+        $this->_setFeedLinks($this->_dom, $this->_base);
+        $this->_setHubs($this->_dom, $this->_base);
+        if ($this->_called) {
+            $this->_appendNamespaces();
+        }
+    }
+    
+    /**
+     * Append namespaces to root element of feed
+     * 
+     * @return void
+     */
+    protected function _appendNamespaces()
+    {
+        $this->getRootElement()->setAttribute('xmlns:atom',
+            'http://www.w3.org/2005/Atom');  
+    }
+
+    /**
+     * Set feed link elements
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setFeedLinks(DOMDocument $dom, DOMElement $root)
+    {
+        $flinks = $this->getDataContainer()->getFeedLinks();
+        if(!$flinks || empty($flinks)) {
+            return;
+        }
+        foreach ($flinks as $type => $href) {
+            $mime  = 'application/' . strtolower($type) . '+xml';
+            $flink = $dom->createElement('atom:link');
+            $root->appendChild($flink);
+            $flink->setAttribute('rel', 'self');
+            $flink->setAttribute('type', $mime);
+            $flink->setAttribute('href', $href);
+        }
+        $this->_called = true;
+    }
+    
+    /**
+     * Set PuSH hubs
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setHubs(DOMDocument $dom, DOMElement $root)
+    {
+        $hubs = $this->getDataContainer()->getHubs();
+        if (!$hubs || empty($hubs)) {
+            return;
+        }
+        foreach ($hubs as $hubUrl) {
+            $hub = $dom->createElement('atom:link');
+            $hub->setAttribute('rel', 'hub');
+            $hub->setAttribute('href', $hubUrl);
+            $root->appendChild($hub);
+        }
+        $this->_called = true;
+    }
+}