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 <?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 App
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Gdata_App_Entry
  */
 // require_once 'Zend/Gdata/App/Entry.php';
 
 /**
  * @see Zend_Gdata_App_MediaSource
  */
 // require_once 'Zend/Gdata/App/MediaSource.php';
 
 /**
  * @see Zend_Gdata_MediaMimeStream
  */
 // require_once 'Zend/Gdata/MediaMimeStream.php';
 
 /**
  * Concrete class for working with Atom entries containing multi-part data.
  *
  * @category   Zend
  * @package    Zend_Gdata
  * @subpackage App
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Gdata_App_MediaEntry extends Zend_Gdata_App_Entry
 {
     /**
      * The attached MediaSource/file
      *
      * @var Zend_Gdata_App_MediaSource
      */
     protected $_mediaSource = null;
 
     /**
      * Constructs a new MediaEntry, representing XML data and optional
      * file to upload
      *
      * @param DOMElement $element (optional) DOMElement from which this
      *          object should be constructed.
      */
     public function __construct($element = null, $mediaSource = null)
     {
         parent::__construct($element);
         $this->_mediaSource = $mediaSource;
     }
 
     /**
      * Return the MIME multipart representation of this MediaEntry.
      *
      * @return string|Zend_Gdata_MediaMimeStream The MIME multipart
      *         representation of this MediaEntry. If the entry consisted only
      *         of XML, a string is returned.
      */
     public function encode()
     {
         $xmlData = $this->saveXML();
         $mediaSource = $this->getMediaSource();
         if ($mediaSource === null) {
             // No attachment, just send XML for entry
             return $xmlData;
         } else {
             return new Zend_Gdata_MediaMimeStream($xmlData,
                 $mediaSource->getFilename(), $mediaSource->getContentType());
         }
     }
 
     /**
      * Return the MediaSource object representing the file attached to this
      * MediaEntry.
      *
      * @return Zend_Gdata_App_MediaSource The attached MediaSource/file
      */
     public function getMediaSource()
     {
         return $this->_mediaSource;
     }
 
     /**
      * Set the MediaSource object (file) for this MediaEntry
      *
      * @param Zend_Gdata_App_MediaSource $value The attached MediaSource/file
      * @return Zend_Gdata_App_MediaEntry Provides a fluent interface
      */
     public function setMediaSource($value)
     {
         if ($value instanceof Zend_Gdata_App_MediaSource) {
             $this->_mediaSource = $value;
         } else {
             // require_once 'Zend/Gdata/App/InvalidArgumentException.php';
             throw new Zend_Gdata_App_InvalidArgumentException(
                     'You must specify the media data as a class that conforms to Zend_Gdata_App_MediaSource.');
         }
         return $this;
     }
 
 }