web/lib/Zend/Gdata/YouTube/VideoEntry.php
changeset 64 162c1de6545a
parent 19 1c2f13fd785c
child 68 ecaf28ffe26e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Gdata/YouTube/VideoEntry.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,1095 @@
+<?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_Gdata
+ * @subpackage YouTube
+ * @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: VideoEntry.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * @see Zend_Gdata_Extension_Comments
+ */
+require_once 'Zend/Gdata/Extension/Comments.php';
+
+/**
+ * @see Zend_Gdata_Extension_FeedLink
+ */
+require_once 'Zend/Gdata/Extension/FeedLink.php';
+
+/**
+ * @see Zend_Gdata_YouTube_MediaEntry
+ */
+require_once 'Zend/Gdata/YouTube/MediaEntry.php';
+
+/**
+ * @see Zend_Gdata_YouTube_Extension_MediaGroup
+ */
+require_once 'Zend/Gdata/YouTube/Extension/MediaGroup.php';
+
+/**
+ * @see Zend_Gdata_YouTube_Extension_NoEmbed
+ */
+require_once 'Zend/Gdata/YouTube/Extension/NoEmbed.php';
+
+/**
+ * @see Zend_Gdata_YouTube_Extension_Statistics
+ */
+require_once 'Zend/Gdata/YouTube/Extension/Statistics.php';
+
+/**
+ * @see Zend_Gdata_YouTube_Extension_Link
+ */
+require_once 'Zend/Gdata/YouTube/Extension/Link.php';
+
+/**
+ * @see Zend_Gdata_YouTube_Extension_Racy
+ */
+require_once 'Zend/Gdata/YouTube/Extension/Racy.php';
+
+/**
+ * @see Zend_Gdata_Extension_Rating
+ */
+require_once 'Zend/Gdata/Extension/Rating.php';
+
+/**
+ * @see Zend_Gdata_Geo_Extension_GeoRssWhere
+ */
+require_once 'Zend/Gdata/Geo/Extension/GeoRssWhere.php';
+
+/**
+ * @see Zend_Gdata_YouTube_Extension_Control
+ */
+require_once 'Zend/Gdata/YouTube/Extension/Control.php';
+
+/**
+ * @see Zend_Gdata_YouTube_Extension_Recorded
+ */
+require_once 'Zend/Gdata/YouTube/Extension/Recorded.php';
+
+/**
+ * @see Zend_Gdata_YouTube_Extension_Location
+ */
+require_once 'Zend/Gdata/YouTube/Extension/Location.php';
+
+/**
+ * Represents the YouTube video flavor of an Atom entry
+ *
+ * @category   Zend
+ * @package    Zend_Gdata
+ * @subpackage YouTube
+ * @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_Gdata_YouTube_VideoEntry extends Zend_Gdata_YouTube_MediaEntry
+{
+
+    const YOUTUBE_DEVELOPER_TAGS_SCHEMA = 'http://gdata.youtube.com/schemas/2007/developertags.cat';
+    const YOUTUBE_CATEGORY_SCHEMA = 'http://gdata.youtube.com/schemas/2007/categories.cat';
+    protected $_entryClassName = 'Zend_Gdata_YouTube_VideoEntry';
+
+    /**
+     * If null, the video can be embedded
+     *
+     * @var Zend_Gdata_YouTube_Extension_NoEmbed|null
+     */
+    protected $_noEmbed = null;
+
+    /**
+     * Specifies the statistics relating to the video.
+     *
+     * @var Zend_Gdata_YouTube_Extension_Statistics
+     */
+    protected $_statistics = null;
+
+    /**
+     * If not null, specifies that the video has racy content.
+     *
+     * @var Zend_Gdata_YouTube_Extension_Racy|null
+     */
+    protected $_racy = null;
+
+    /**
+     * If not null, specifies that the video is private.
+     *
+     * @var Zend_Gdata_YouTube_Extension_Private|null
+     */
+    protected $_private = null;
+
+    /**
+     * Specifies the video's rating.
+     *
+     * @var Zend_Gdata_Extension_Rating
+     */
+    protected $_rating = null;
+
+    /**
+     * Specifies the comments associated with a video.
+     *
+     * @var Zend_Gdata_Extensions_Comments
+     */
+    protected $_comments = null;
+
+    /**
+     * Nested feed links
+     *
+     * @var array
+     */
+    protected $_feedLink = array();
+
+    /**
+     * Geo location for the video
+     *
+     * @var Zend_Gdata_Geo_Extension_GeoRssWhere
+     */
+    protected $_where = null;
+
+    /**
+     * Recording date for the video
+     *
+     * @var Zend_Gdata_YouTube_Extension_Recorded|null
+     */
+    protected $_recorded = null;
+
+    /**
+     * Location informtion for the video
+     *
+     * @var Zend_Gdata_YouTube_Extension_Location|null
+     */
+    protected $_location = null;
+
+    /**
+     * Creates a Video entry, representing an individual video
+     *
+     * @param DOMElement $element (optional) DOMElement from which this
+     *          object should be constructed.
+     */
+    public function __construct($element = null)
+    {
+        $this->registerAllNamespaces(Zend_Gdata_YouTube::$namespaces);
+        parent::__construct($element);
+    }
+
+    /**
+     * Retrieves a DOMElement which corresponds to this element and all
+     * child properties.  This is used to build an entry back into a DOM
+     * and eventually XML text for sending to the server upon updates, or
+     * for application storage/persistence.
+     *
+     * @param DOMDocument $doc The DOMDocument used to construct DOMElements
+     * @return DOMElement The DOMElement representing this element and all
+     * child properties.
+     */
+    public function getDOM($doc = null, $majorVersion = 1, $minorVersion = null)
+    {
+        $element = parent::getDOM($doc, $majorVersion, $minorVersion);
+        if ($this->_noEmbed != null) {
+            $element->appendChild($this->_noEmbed->getDOM(
+                $element->ownerDocument));
+        }
+        if ($this->_statistics != null) {
+            $element->appendChild($this->_statistics->getDOM(
+                $element->ownerDocument));
+        }
+        if ($this->_racy != null) {
+            $element->appendChild($this->_racy->getDOM(
+                $element->ownerDocument));
+        }
+        if ($this->_recorded != null) {
+            $element->appendChild($this->_recorded->getDOM(
+                $element->ownerDocument));
+        }
+        if ($this->_location != null) {
+            $element->appendChild($this->_location->getDOM(
+                $element->ownerDocument));
+        }
+        if ($this->_rating != null) {
+            $element->appendChild($this->_rating->getDOM(
+                $element->ownerDocument));
+        }
+        if ($this->_comments != null) {
+            $element->appendChild($this->_comments->getDOM(
+                $element->ownerDocument));
+        }
+        if ($this->_feedLink != null) {
+            foreach ($this->_feedLink as $feedLink) {
+                $element->appendChild($feedLink->getDOM(
+                    $element->ownerDocument));
+            }
+        }
+        if ($this->_where != null) {
+           $element->appendChild($this->_where->getDOM(
+                $element->ownerDocument));
+        }
+        return $element;
+    }
+
+    /**
+     * Creates individual Entry objects of the appropriate type and
+     * stores them in the $_entry array based upon DOM data.
+     *
+     * @param DOMNode $child The DOMNode to process
+     */
+    protected function takeChildFromDOM($child)
+    {
+        $absoluteNodeName = $child->namespaceURI . ':' . $child->localName;
+
+        switch ($absoluteNodeName) {
+        case $this->lookupNamespace('yt') . ':' . 'statistics':
+            $statistics = new Zend_Gdata_YouTube_Extension_Statistics();
+            $statistics->transferFromDOM($child);
+            $this->_statistics = $statistics;
+            break;
+        case $this->lookupNamespace('yt') . ':' . 'racy':
+            $racy = new Zend_Gdata_YouTube_Extension_Racy();
+            $racy->transferFromDOM($child);
+            $this->_racy = $racy;
+            break;
+        case $this->lookupNamespace('yt') . ':' . 'recorded':
+            $recorded = new Zend_Gdata_YouTube_Extension_Recorded();
+            $recorded->transferFromDOM($child);
+            $this->_recorded = $recorded;
+            break;
+        case $this->lookupNamespace('yt') . ':' . 'location':
+            $location = new Zend_Gdata_YouTube_Extension_Location();
+            $location->transferFromDOM($child);
+            $this->_location = $location;
+            break;
+        case $this->lookupNamespace('gd') . ':' . 'rating':
+            $rating = new Zend_Gdata_Extension_Rating();
+            $rating->transferFromDOM($child);
+            $this->_rating = $rating;
+            break;
+        case $this->lookupNamespace('gd') . ':' . 'comments':
+            $comments = new Zend_Gdata_Extension_Comments();
+            $comments->transferFromDOM($child);
+            $this->_comments = $comments;
+            break;
+        case $this->lookupNamespace('yt') . ':' . 'noembed':
+            $noEmbed = new Zend_Gdata_YouTube_Extension_NoEmbed();
+            $noEmbed->transferFromDOM($child);
+            $this->_noEmbed = $noEmbed;
+            break;
+        case $this->lookupNamespace('gd') . ':' . 'feedLink':
+            $feedLink = new Zend_Gdata_Extension_FeedLink();
+            $feedLink->transferFromDOM($child);
+            $this->_feedLink[] = $feedLink;
+            break;
+        case $this->lookupNamespace('georss') . ':' . 'where':
+            $where = new Zend_Gdata_Geo_Extension_GeoRssWhere();
+            $where->transferFromDOM($child);
+            $this->_where = $where;
+            break;
+        case $this->lookupNamespace('atom') . ':' . 'link';
+            $link = new Zend_Gdata_YouTube_Extension_Link();
+            $link->transferFromDOM($child);
+            $this->_link[] = $link;
+            break;
+        case $this->lookupNamespace('app') . ':' . 'control':
+            $control = new Zend_Gdata_YouTube_Extension_Control();
+            $control->transferFromDOM($child);
+            $this->_control = $control;
+            break;
+        default:
+            parent::takeChildFromDOM($child);
+            break;
+        }
+    }
+
+    /**
+     * Sets when the video was recorded.
+     *
+     * @param Zend_Gdata_YouTube_Extension_Recorded $recorded When the video was recorded
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setRecorded($recorded = null)
+    {
+        $this->_recorded = $recorded;
+        return $this;
+    }
+
+    /**
+     * Gets the date that the video was recorded.
+     *
+     * @return Zend_Gdata_YouTube_Extension_Recorded|null
+     */
+    public function getRecorded()
+    {
+        return $this->_recorded;
+    }
+
+    /**
+     * Sets the location information.
+     *
+     * @param Zend_Gdata_YouTube_Extension_Location $location Where the video
+     *        was recorded
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setLocation($location = null)
+    {
+        $this->_location = $location;
+        return $this;
+    }
+
+    /**
+     * Gets the location where the video was recorded.
+     *
+     * @return Zend_Gdata_YouTube_Extension_Location|null
+     */
+    public function getLocation()
+    {
+        return $this->_location;
+    }
+
+    /**
+     * If an instance of Zend_Gdata_YouTube_Extension_NoEmbed is passed in,
+     * the video cannot be embedded.  Otherwise, if null is passsed in, the
+     * video is able to be embedded.
+     *
+     * @param Zend_Gdata_YouTube_Extension_NoEmbed $noEmbed Whether or not the
+     *          video can be embedded.
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setNoEmbed($noEmbed = null)
+    {
+        $this->_noEmbed = $noEmbed;
+        return $this;
+    }
+
+    /**
+     * If the return value is an instance of
+     * Zend_Gdata_YouTube_Extension_NoEmbed, this video cannot be embedded.
+     *
+     * @return Zend_Gdata_YouTube_Extension_NoEmbed|null Whether or not the video can be embedded
+     */
+    public function getNoEmbed()
+    {
+        return $this->_noEmbed;
+    }
+
+    /**
+     * Checks whether the video is embeddable.
+     *
+     * @return bool Returns true if the video is embeddable.
+     */
+    public function isVideoEmbeddable()
+    {
+        if ($this->getNoEmbed() == null) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Sets the statistics relating to the video.
+     *
+     * @param Zend_Gdata_YouTube_Extension_Statistics $statistics The statistics relating to the video
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setStatistics($statistics = null)
+    {
+        $this->_statistics = $statistics;
+        return $this;
+    }
+
+    /**
+     * Returns the statistics relating to the video.
+     *
+     * @return Zend_Gdata_YouTube_Extension_Statistics  The statistics relating to the video
+     */
+    public function getStatistics()
+    {
+        return $this->_statistics;
+    }
+
+    /**
+     * Specifies that the video has racy content.
+     *
+     * @param Zend_Gdata_YouTube_Extension_Racy $racy The racy flag object
+     * @throws Zend_Gdata_App_VersionException
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setRacy($racy = null)
+    {
+        if ($this->getMajorProtocolVersion() == 2) {
+            require_once 'Zend/Gdata/App/VersionException.php';
+            throw new Zend_Gdata_App_VersionException(
+                'Calling getRacy() on a YouTube VideoEntry is deprecated ' .
+                'as of version 2 of the API.');
+        }
+
+        $this->_racy = $racy;
+        return $this;
+    }
+
+    /**
+     * Returns the racy flag object.
+     *
+     * @throws Zend_Gdata_App_VersionException
+     * @return Zend_Gdata_YouTube_Extension_Racy|null  The racy flag object
+     */
+    public function getRacy()
+    {
+        if ($this->getMajorProtocolVersion() == 2) {
+            require_once 'Zend/Gdata/App/VersionException.php';
+            throw new Zend_Gdata_App_VersionException(
+                'Calling getRacy() on a YouTube VideoEntry is deprecated ' .
+                'as of version 2 of the API.');
+        }
+        return $this->_racy;
+    }
+
+    /**
+     * Sets the rating relating to the video.
+     *
+     * @param Zend_Gdata_Extension_Rating $rating The rating relating to the video
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setRating($rating = null)
+    {
+        $this->_rating = $rating;
+        return $this;
+    }
+
+    /**
+     * Returns the rating relating to the video.
+     *
+     * @return Zend_Gdata_Extension_Rating  The rating relating to the video
+     */
+    public function getRating()
+    {
+        return $this->_rating;
+    }
+
+    /**
+     * Sets the comments relating to the video.
+     *
+     * @param Zend_Gdata_Extension_Comments $comments The comments relating to the video
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setComments($comments = null)
+    {
+        $this->_comments = $comments;
+        return $this;
+    }
+
+    /**
+     * Returns the comments relating to the video.
+     *
+     * @return Zend_Gdata_Extension_Comments  The comments relating to the video
+     */
+    public function getComments()
+    {
+        return $this->_comments;
+    }
+
+    /**
+     * Sets the array of embedded feeds related to the video
+     *
+     * @param array $feedLink The array of embedded feeds relating to the video
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setFeedLink($feedLink = null)
+    {
+        $this->_feedLink = $feedLink;
+        return $this;
+    }
+
+    /**
+     * Get the feed link property for this entry.
+     *
+     * @see setFeedLink
+     * @param string $rel (optional) The rel value of the link to be found.
+     *          If null, the array of links is returned.
+     * @return mixed If $rel is specified, a Zend_Gdata_Extension_FeedLink
+     *          object corresponding to the requested rel value is returned
+     *          if found, or null if the requested value is not found. If
+     *          $rel is null or not specified, an array of all available
+     *          feed links for this entry is returned, or null if no feed
+     *          links are set.
+     */
+    public function getFeedLink($rel = null)
+    {
+        if ($rel == null) {
+            return $this->_feedLink;
+        } else {
+            foreach ($this->_feedLink as $feedLink) {
+                if ($feedLink->rel == $rel) {
+                    return $feedLink;
+                }
+            }
+            return null;
+        }
+    }
+
+    /**
+     * Returns the link element relating to video responses.
+     *
+     * @return Zend_Gdata_App_Extension_Link
+     */
+    public function getVideoResponsesLink()
+    {
+        return $this->getLink(Zend_Gdata_YouTube::VIDEO_RESPONSES_REL);
+    }
+
+    /**
+     * Returns the link element relating to video ratings.
+     *
+     * @return Zend_Gdata_App_Extension_Link
+     */
+    public function getVideoRatingsLink()
+    {
+        return $this->getLink(Zend_Gdata_YouTube::VIDEO_RATINGS_REL);
+    }
+
+    /**
+     * Returns the link element relating to video complaints.
+     *
+     * @return Zend_Gdata_App_Extension_Link
+     */
+    public function getVideoComplaintsLink()
+    {
+        return $this->getLink(Zend_Gdata_YouTube::VIDEO_COMPLAINTS_REL);
+    }
+
+    /**
+     * Gets the YouTube video ID based upon the atom:id value
+     *
+     * @return string The video ID
+     */
+    public function getVideoId()
+    {
+        if ($this->getMajorProtocolVersion() == 2) {
+            $videoId = $this->getMediaGroup()->getVideoId()->text;
+        } else {
+            $fullId = $this->getId()->getText();
+            $position = strrpos($fullId, '/');
+            if ($position === false) {
+                require_once 'Zend/Gdata/App/Exception.php';
+                throw new Zend_Gdata_App_Exception(
+                    'Slash not found in atom:id of ' . $fullId);
+            } else {
+                $videoId = substr($fullId, $position + 1);
+            }
+        }
+        return $videoId;
+    }
+
+    /**
+     * Gets the date that the video was recorded.
+     *
+     * @return string|null The date that the video was recorded
+     */
+    public function getVideoRecorded()
+    {
+        $recorded = $this->getRecorded();
+        if ($recorded != null) {
+          return $recorded->getText();
+        } else {
+          return null;
+        }
+    }
+
+    /**
+     * Sets the date that the video was recorded.
+     *
+     * @param string $recorded The date that the video was recorded, in the
+     *          format of '2001-06-19'
+     */
+    public function setVideoRecorded($recorded)
+    {
+        $this->setRecorded(
+            new Zend_Gdata_YouTube_Extension_Recorded($recorded));
+        return $this;
+    }
+
+    /**
+     * Gets the georss:where element
+     *
+     * @return Zend_Gdata_Geo_Extension_GeoRssWhere
+     */
+    public function getWhere()
+    {
+        return $this->_where;
+    }
+
+    /**
+     * Sets the georss:where element
+     *
+     * @param Zend_Gdata_Geo_Extension_GeoRssWhere $value The georss:where class value
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setWhere($value)
+    {
+        $this->_where = $value;
+        return $this;
+    }
+
+    /**
+     * Gets the title of the video as a string.  null is returned
+     * if the video title is not available.
+     *
+     * @return string|null The title of the video
+     */
+    public function getVideoTitle()
+    {
+        $this->ensureMediaGroupIsNotNull();
+        if ($this->getMediaGroup()->getTitle() != null) {
+            return $this->getMediaGroup()->getTitle()->getText();
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Sets the title of the video as a string.
+     *
+     * @param string $title Title for the video
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setVideoTitle($title)
+    {
+        $this->ensureMediaGroupIsNotNull();
+        $this->getMediaGroup()->setTitle(
+            new Zend_Gdata_Media_Extension_MediaTitle($title));
+        return $this;
+    }
+
+    /**
+     * Sets the description of the video as a string.
+     *
+     * @param string $description Description for the video
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setVideoDescription($description)
+    {
+        $this->ensureMediaGroupIsNotNull();
+        $this->getMediaGroup()->setDescription(
+            new Zend_Gdata_Media_Extension_MediaDescription($description));
+        return $this;
+    }
+
+
+    /**
+     * Gets the description  of the video as a string.  null is returned
+     * if the video description is not available.
+     *
+     * @return string|null The description of the video
+     */
+    public function getVideoDescription()
+    {
+        $this->ensureMediaGroupIsNotNull();
+        if ($this->getMediaGroup()->getDescription() != null) {
+            return $this->getMediaGroup()->getDescription()->getText();
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Gets the URL of the YouTube video watch page.  null is returned
+     * if the video watch page URL is not available.
+     *
+     * @return string|null The URL of the YouTube video watch page
+     */
+    public function getVideoWatchPageUrl()
+    {
+        $this->ensureMediaGroupIsNotNull();
+        if ($this->getMediaGroup()->getPlayer() != null &&
+             array_key_exists(0, $this->getMediaGroup()->getPlayer())) {
+            $players = $this->getMediaGroup()->getPlayer();
+            return $players[0]->getUrl();
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Gets an array of the thumbnails representing the video.
+     * Each thumbnail is an element of the array, and is an
+     * array of the thumbnail properties - time, height, width,
+     * and url.  For convient usage inside a foreach loop, an
+     * empty array is returned if there are no thumbnails.
+     *
+     * @return array An array of video thumbnails.
+     */
+    public function getVideoThumbnails()
+    {
+        $this->ensureMediaGroupIsNotNull();
+        if ($this->getMediaGroup()->getThumbnail() != null) {
+
+            $thumbnailArray = array();
+
+            foreach ($this->getMediaGroup()->getThumbnail() as $thumbnailObj) {
+                $thumbnail = array();
+                $thumbnail['time'] = $thumbnailObj->time;
+                $thumbnail['height'] = $thumbnailObj->height;
+                $thumbnail['width'] = $thumbnailObj->width;
+                $thumbnail['url'] = $thumbnailObj->url;
+                $thumbnailArray[] = $thumbnail;
+            }
+            return $thumbnailArray;
+        } else {
+            return array();
+        }
+    }
+
+    /**
+     * Gets the URL of the flash player SWF.  null is returned if the
+     * duration value is not available.
+     *
+     * @return string|null The URL of the flash player SWF
+     */
+    public function getFlashPlayerUrl()
+    {
+        $this->ensureMediaGroupIsNotNull();
+        foreach ($this->getMediaGroup()->getContent() as $content) {
+                if ($content->getType() === 'application/x-shockwave-flash') {
+                    return $content->getUrl();
+                }
+            }
+        return null;
+    }
+
+    /**
+     * Gets the duration of the video, in seconds.  null is returned
+     * if the duration value is not available.
+     *
+     * @return string|null The duration of the video, in seconds.
+     */
+    public function getVideoDuration()
+    {
+        $this->ensureMediaGroupIsNotNull();
+        if ($this->getMediaGroup()->getDuration() != null) {
+            return $this->getMediaGroup()->getDuration()->getSeconds();
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Checks whether the video is private.
+     *
+     * @return bool Return true if video is private
+     */
+    public function isVideoPrivate()
+    {
+        $this->ensureMediaGroupIsNotNull();
+        if ($this->getMediaGroup()->getPrivate() != null) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Sets video to private.
+     *
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setVideoPrivate()
+    {
+        $this->ensureMediaGroupIsNotNull();
+        $this->getMediaGroup()->setPrivate(new Zend_Gdata_YouTube_Extension_Private());
+        return $this;
+    }
+
+    /**
+     * Sets a private video to be public.
+     *
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setVideoPublic()
+    {
+        $this->ensureMediaGroupIsNotNull();
+        $this->getMediaGroup()->private = null;
+        return $this;
+    }
+
+    /**
+     * Gets an array of the tags assigned to this video.  For convient
+     * usage inside a foreach loop, an empty array is returned when there
+     * are no tags assigned.
+     *
+     * @return array An array of the tags assigned to this video
+     */
+    public function getVideoTags()
+    {
+        $this->ensureMediaGroupIsNotNull();
+        if ($this->getMediaGroup()->getKeywords() != null) {
+
+            $keywords = $this->getMediaGroup()->getKeywords();
+            $keywordsString = $keywords->getText();
+            if (strlen(trim($keywordsString)) > 0) {
+                return preg_split('/(, *)|,/', $keywordsString);
+            }
+        }
+        return array();
+    }
+
+    /**
+     * Sets the keyword tags for a video.
+     *
+     * @param mixed $tags Either a comma-separated string or an array
+     * of tags for the video
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setVideoTags($tags)
+    {
+        $this->ensureMediaGroupIsNotNull();
+        $keywords = new Zend_Gdata_Media_Extension_MediaKeywords();
+        if (is_array($tags)) {
+            $tags = implode(', ', $tags);
+        }
+        $keywords->setText($tags);
+        $this->getMediaGroup()->setKeywords($keywords);
+        return $this;
+    }
+
+    /**
+     * Gets the number of views for this video.  null is returned if the
+     * number of views is not available.
+     *
+     * @return string|null The number of views for this video
+     */
+    public function getVideoViewCount()
+    {
+        if ($this->getStatistics() != null) {
+            return $this->getStatistics()->getViewCount();
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Gets the location specified for this video, if available.  The location
+     * is returned as an array containing the keys 'longitude' and 'latitude'.
+     * null is returned if the location is not available.
+     *
+     * @return array|null The location specified for this video
+     */
+    public function getVideoGeoLocation()
+    {
+        if ($this->getWhere() != null &&
+            $this->getWhere()->getPoint() != null &&
+            ($position = $this->getWhere()->getPoint()->getPos()) != null) {
+
+            $positionString = $position->__toString();
+
+            if (strlen(trim($positionString)) > 0) {
+                $positionArray = explode(' ', trim($positionString));
+                if (count($positionArray) == 2) {
+                    $returnArray = array();
+                    $returnArray['latitude'] = $positionArray[0];
+                    $returnArray['longitude'] = $positionArray[1];
+                    return $returnArray;
+                }
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Gets the rating information for this video, if available.  The rating
+     * is returned as an array containing the keys 'average' and 'numRaters'.
+     * null is returned if the rating information is not available.
+     *
+     * @return array|null The rating information for this video
+     */
+    public function getVideoRatingInfo()
+    {
+        if ($this->getRating() != null) {
+            $returnArray = array();
+            $returnArray['average'] = $this->getRating()->getAverage();
+            $returnArray['numRaters'] = $this->getRating()->getNumRaters();
+            return $returnArray;
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Gets the category of this video, if available.  The category is returned
+     * as a string. Valid categories are found at:
+     * http://gdata.youtube.com/schemas/2007/categories.cat
+     * If the category is not set, null is returned.
+     *
+     * @return string|null The category of this video
+     */
+    public function getVideoCategory()
+    {
+        $this->ensureMediaGroupIsNotNull();
+        $categories = $this->getMediaGroup()->getCategory();
+        if ($categories != null) {
+            foreach($categories as $category) {
+                if ($category->getScheme() == self::YOUTUBE_CATEGORY_SCHEMA) {
+                    return $category->getText();
+                }
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Sets the category of the video as a string.
+     *
+     * @param string $category Categories for the video
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setVideoCategory($category)
+    {
+        $this->ensureMediaGroupIsNotNull();
+        $this->getMediaGroup()->setCategory(array(new Zend_Gdata_Media_Extension_MediaCategory($category, self::YOUTUBE_CATEGORY_SCHEMA)));
+        return $this;
+    }
+
+    /**
+     * Gets the developer tags for the video, if available and if client is
+     * authenticated with a valid developerKey. The tags are returned
+     * as an array.
+     * If no tags are set, null is returned.
+     *
+     * @return array|null The developer tags for this video or null if none were set.
+     */
+    public function getVideoDeveloperTags()
+    {
+        $developerTags = null;
+        $this->ensureMediaGroupIsNotNull();
+
+        $categoryArray = $this->getMediaGroup()->getCategory();
+        if ($categoryArray != null) {
+            foreach ($categoryArray as $category) {
+                if ($category instanceof Zend_Gdata_Media_Extension_MediaCategory) {
+                    if ($category->getScheme() == self::YOUTUBE_DEVELOPER_TAGS_SCHEMA) {
+                        $developerTags[] = $category->getText();
+                    }
+                }
+            }
+            return $developerTags;
+        }
+        return null;
+    }
+
+    /**
+     * Adds a developer tag to array of tags for the video.
+     *
+     * @param string $developerTag DeveloperTag for the video
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function addVideoDeveloperTag($developerTag)
+    {
+        $this->ensureMediaGroupIsNotNull();
+        $newCategory = new Zend_Gdata_Media_Extension_MediaCategory($developerTag, self::YOUTUBE_DEVELOPER_TAGS_SCHEMA);
+
+        if ($this->getMediaGroup()->getCategory() == null) {
+            $this->getMediaGroup()->setCategory($newCategory);
+        } else {
+            $categories = $this->getMediaGroup()->getCategory();
+            $categories[] = $newCategory;
+            $this->getMediaGroup()->setCategory($categories);
+        }
+        return $this;
+    }
+
+    /**
+     * Set multiple developer tags for the video as strings.
+     *
+     * @param array $developerTags Array of developerTag for the video
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface
+     */
+    public function setVideoDeveloperTags($developerTags)
+    {
+        foreach($developerTags as $developerTag) {
+            $this->addVideoDeveloperTag($developerTag);
+        }
+        return $this;
+    }
+
+
+    /**
+     * Get the current publishing state of the video.
+     *
+     * @return Zend_Gdata_YouTube_Extension_State|null The publishing state of this video
+     */
+    public function getVideoState()
+    {
+        $control = $this->getControl();
+        if ($control != null &&
+            $control->getDraft() != null &&
+            $control->getDraft()->getText() == 'yes') {
+
+            return $control->getState();
+        }
+        return null;
+    }
+
+    /**
+     * Get the VideoEntry's Zend_Gdata_YouTube_Extension_MediaGroup object.
+     * If the mediaGroup does not exist, then set it.
+     *
+     * @return void
+     */
+    public function ensureMediaGroupIsNotNull()
+    {
+        if ($this->getMediagroup() == null) {
+            $this->setMediagroup(new Zend_Gdata_YouTube_Extension_MediaGroup());
+        }
+    }
+
+    /**
+     * Helper function to conveniently set a video's rating.
+     *
+     * @param integer $ratingValue A number representing the rating. Must
+     *          be between 1 and 5 inclusive.
+     * @throws Zend_Gdata_Exception
+     * @return Zend_Gdata_YouTube_VideoEntry Provides a fluent interface.
+     */
+    public function setVideoRating($ratingValue)
+    {
+        if ($ratingValue < 1 || $ratingValue > 5) {
+            require_once 'Zend/Gdata/App/InvalidArgumentException.php';
+            throw new Zend_Gdata_App_InvalidArgumentException(
+                'Rating for video entry must be between 1 and 5 inclusive.');
+        }
+
+         require_once 'Zend/Gdata/Extension/Rating.php';
+         $rating = new Zend_Gdata_Extension_Rating(null, 1, 5, null,
+            $ratingValue);
+        $this->setRating($rating);
+        return $this;
+    }
+
+    /**
+     * Retrieve the URL for a video's comment feed.
+     *
+     * @return string|null The URL if found, or null if not found.
+     */
+    public function getVideoCommentFeedUrl()
+    {
+        $commentsExtension = $this->getComments();
+        $commentsFeedUrl = null;
+        if ($commentsExtension) {
+            $commentsFeedLink = $commentsExtension->getFeedLink();
+            if ($commentsFeedLink) {
+                $commentsFeedUrl = $commentsFeedLink->getHref();
+            }
+        }
+        return $commentsFeedUrl;
+    }
+
+}