diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Feed/Builder/Header/Itunes.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Feed/Builder/Header/Itunes.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,288 @@
+<?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
+ * @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: Itunes.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * ITunes rss extension
+ *
+ * Classes used to describe the itunes channel extension
+ *
+ * @category   Zend
+ * @package    Zend_Feed
+ * @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_Builder_Header_Itunes extends ArrayObject
+{
+    /**
+     * Constructor
+     *
+     * @param  array $categories Categories columns and in iTunes Music Store Browse
+     * @return void
+     */
+    public function __construct(array $categories)
+    {
+        $this->setCategories($categories);
+    }
+
+    /**
+     * Sets the categories column and in iTunes Music Store Browse
+     * $categories must conform to the following format:
+     * <code>
+     * array(array('main' => 'main category',
+     *             'sub' => 'sub category' // optionnal
+     *            ),
+     *       // up to 3 rows
+     *      )
+     * </code>
+     *
+     * @param  array $categories
+     * @return Zend_Feed_Builder_Header_Itunes
+     * @throws Zend_Feed_Builder_Exception
+     */
+    public function setCategories(array $categories)
+    {
+        $nb = count($categories);
+        if (0 === $nb) {
+            /**
+             * @see Zend_Feed_Builder_Exception
+             */
+            require_once 'Zend/Feed/Builder/Exception.php';
+            throw new Zend_Feed_Builder_Exception("you have to set at least one itunes category");
+        }
+        if ($nb > 3) {
+            /**
+             * @see Zend_Feed_Builder_Exception
+             */
+            require_once 'Zend/Feed/Builder/Exception.php';
+            throw new Zend_Feed_Builder_Exception("you have to set at most three itunes categories");
+        }
+        foreach ($categories as $i => $category) {
+            if (empty($category['main'])) {
+                /**
+                 * @see Zend_Feed_Builder_Exception
+                 */
+                require_once 'Zend/Feed/Builder/Exception.php';
+                throw new Zend_Feed_Builder_Exception("you have to set the main category (category #$i)");
+            }
+        }
+        $this->offsetSet('category', $categories);
+        return $this;
+    }
+
+    /**
+     * Sets the artist value, default to the feed's author value
+     *
+     * @param  string $author
+     * @return Zend_Feed_Builder_Header_Itunes
+     */
+    public function setAuthor($author)
+    {
+        $this->offsetSet('author', $author);
+        return $this;
+    }
+
+    /**
+     * Sets the owner of the postcast
+     *
+     * @param  string $name  default to the feed's author value
+     * @param  string $email default to the feed's email value
+     * @return Zend_Feed_Builder_Header_Itunes
+     * @throws Zend_Feed_Builder_Exception
+     */
+    public function setOwner($name = '', $email = '')
+    {
+        if (!empty($email)) {
+            /**
+             * @see Zend_Validate_EmailAddress
+             */
+            require_once 'Zend/Validate/EmailAddress.php';
+            $validate = new Zend_Validate_EmailAddress();
+            if (!$validate->isValid($email)) {
+                /**
+                 * @see Zend_Feed_Builder_Exception
+                 */
+                require_once 'Zend/Feed/Builder/Exception.php';
+                throw new Zend_Feed_Builder_Exception("you have to set a valid email address into the itunes owner's email property");
+            }
+        }
+        $this->offsetSet('owner', array('name' => $name, 'email' => $email));
+        return $this;
+    }
+
+    /**
+     * Sets the album/podcast art picture
+     * Default to the feed's image value
+     *
+     * @param  string $image
+     * @return Zend_Feed_Builder_Header_Itunes
+     */
+    public function setImage($image)
+    {
+        $this->offsetSet('image', $image);
+        return $this;
+    }
+
+    /**
+     * Sets the short description of the podcast
+     * Default to the feed's description
+     *
+     * @param  string $subtitle
+     * @return Zend_Feed_Builder_Header_Itunes
+     */
+    public function setSubtitle($subtitle)
+    {
+        $this->offsetSet('subtitle', $subtitle);
+        return $this;
+    }
+
+    /**
+     * Sets the longer description of the podcast
+     * Default to the feed's description
+     *
+     * @param  string $summary
+     * @return Zend_Feed_Builder_Header_Itunes
+     */
+    public function setSummary($summary)
+    {
+        $this->offsetSet('summary', $summary);
+        return $this;
+    }
+
+    /**
+     * Prevent a feed from appearing
+     *
+     * @param  string $block can be 'yes' or 'no'
+     * @return Zend_Feed_Builder_Header_Itunes
+     * @throws Zend_Feed_Builder_Exception
+     */
+    public function setBlock($block)
+    {
+        $block = strtolower($block);
+        if (!in_array($block, array('yes', 'no'))) {
+            /**
+             * @see Zend_Feed_Builder_Exception
+             */
+            require_once 'Zend/Feed/Builder/Exception.php';
+            throw new Zend_Feed_Builder_Exception("you have to set yes or no to the itunes block property");
+        }
+        $this->offsetSet('block', $block);
+        return $this;
+    }
+
+    /**
+     * Configuration of the parental advisory graphic
+     *
+     * @param  string $explicit can be 'yes', 'no' or 'clean'
+     * @return Zend_Feed_Builder_Header_Itunes
+     * @throws Zend_Feed_Builder_Exception
+     */
+    public function setExplicit($explicit)
+    {
+        $explicit = strtolower($explicit);
+        if (!in_array($explicit, array('yes', 'no', 'clean'))) {
+            /**
+             * @see Zend_Feed_Builder_Exception
+             */
+            require_once 'Zend/Feed/Builder/Exception.php';
+            throw new Zend_Feed_Builder_Exception("you have to set yes, no or clean to the itunes explicit property");
+        }
+        $this->offsetSet('explicit', $explicit);
+        return $this;
+    }
+
+    /**
+     * Sets a comma separated list of 12 keywords maximum
+     *
+     * @param  string $keywords
+     * @return Zend_Feed_Builder_Header_Itunes
+     */
+    public function setKeywords($keywords)
+    {
+        $this->offsetSet('keywords', $keywords);
+        return $this;
+    }
+
+    /**
+     * Sets the new feed URL location
+     *
+     * @param  string $url
+     * @return Zend_Feed_Builder_Header_Itunes
+     */
+    public function setNewFeedUrl($url)
+    {
+        $this->offsetSet('new_feed_url', $url);
+        return $this;
+    }
+
+    /**
+     * Read only properties accessor
+     *
+     * @param  string $name property to read
+     * @return mixed
+     */
+    public function __get($name)
+    {
+        if (!$this->offsetExists($name)) {
+            return NULL;
+        }
+
+        return $this->offsetGet($name);
+    }
+
+    /**
+     * Write properties accessor
+     *
+     * @param  string $name  name of the property to set
+     * @param  mixed  $value value to set
+     * @return void
+     */
+    public function __set($name, $value)
+    {
+        $this->offsetSet($name, $value);
+    }
+
+    /**
+     * Isset accessor
+     *
+     * @param  string $key
+     * @return boolean
+     */
+    public function __isset($key)
+    {
+        return $this->offsetExists($key);
+    }
+
+    /**
+     * Unset accessor
+     *
+     * @param  string $key
+     * @return void
+     */
+    public function __unset($key)
+    {
+        if ($this->offsetExists($key)) {
+            $this->offsetUnset($key);
+        }
+    }
+
+}
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