Consuming atom namespaces with Zend_Feed_Atom

Question

I'm have I hope a very simple question about Zend_Feed, but for some reason I can't work out how to use Zend_Feed_Atom.

I'm trying to consume google shopping atom feed, which looks like the following:



 tag:google.com,2010:shopping/products
 2012-02-05T15:35:48.784Z
 Shopping Products
 Search API for Shopping
 
 
 
 
 
 2035890
 1
 25
 
  tag:google.com,2010:shopping/products/5735617/15353500247539618129
  
   Amazon.co.uk
  
  2011-04-16T07:12:22.000Z
  2012-02-05T02:40:54.000Z
  Fujifilm FinePix S4000 Digital Camera - (14MP, 30x Optical Zoom) 3-inch LCD
  The FinePix S4000 is a new bridge camera from Fujifilm thats truly geared up for a creative challenge. Complete with a 14 megapixel high resolution sensor, a massive 30x Fujinon optical zoom, 3.0 LCD screen and 720p HD video capture (30 fps). Plus, with the flexibility of manual or automatic controls, this camera wont fail to impress. Features such as Scene Recognition Auto, Easy Web Upload, a HDMI port and the added bonus of an Electronic Viewfinder, will all help to enhance your photos. The S4000 is suited to photography enthusiasts who are looking to branch out and improve their photographic skills.
  
  
  
   15353500247539618129
   
    Amazon.co.uk
    5735617
   
   2011-04-16T07:12:22.000Z
   2012-02-05T02:40:54.000Z
   GB
   en
   Fujifilm FinePix S4000 Digital Camera - (14MP, 30x Optical Zoom) 3-inch LCD
   The FinePix S4000 is a new bridge camera from Fujifilm thats truly geared up for a creative challenge. Complete with a 14 megapixel high resolution sensor, a massive 30x Fujinon optical zoom, 3.0 LCD screen and 720p HD video capture (30 fps). Plus, with the flexibility of manual or automatic controls, this camera wont fail to impress. Features such as Scene Recognition Auto, Easy Web Upload, a HDMI port and the added bonus of an Electronic Viewfinder, will all help to enhance your photos. The S4000 is suited to photography enthusiasts who are looking to branch out and improve their photographic skills.
   http://www.amazon.co.uk/dp/B004G8Q60K/ref=asc_df_B004G8Q60K6433986?smid=A2QB1IPRWM40B4&tag=googlecouk06-21&linkCode=asn&creative=22242&creativeASIN=B004G8Q60K
   Fuji
   new
   04547410150742
   
    04547410150742
   
   
    
     168.0

When I use Zend_Feed_Atom I can't get to the namespace s:product which I need to gain access to. So I am trying to extend the Zend_Reader_Entry to gain access to the product element within the atom entry. However I can't get the extension to register.

My Zend_Reader_Entry looks like this:

_data['title'])){
            return $this->_data['title'];
        }

        $title = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/s:title');

        if(!$title){
            $title = null;
        }

        $this->_data['title'] = $title;

        return $this->_data['title'];
    }

    public function getPrice(){

        if(isset($this->_data['price'])){
            return $this->_data['price'];
        }

        $price = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/s.price');

        if(!$price){
            $price = null;
        }

        $this->_data['price'] = $price;

        return $this->_data['price'];
    }

    public function getDescription(){

        if(isset($this->_data['description'])){
            return $this->_data['description'];
        }

        $description = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/s:description');

        if(!$description){
            $description = null;
        }

        $this->_data['description'] = $title;

        return $this->_data['description'];
    }


    protected function _registerNamespaces(){

        $this->_xpath->registerNamespaces('s', 'http://www.google.com/shopping/api/schemas/2010');
    }

}

?>

And I'm trying to load it like this:

if(!Zend_Feed_Reader::isRegistered('Product')){
            Zend_Feed_Reader::addPrefixPath('/My/Google/Shopping','My_Google_Shopping');
        }

        Zend_Feed_Reader::registerExtension('Product');

        $feed = Zend_Feed_Reader::import($feedUrl);

Any idea why this won't load and mainly if I am doing this right to pull the data from the atom feed.

Many thanks,

Grant

Consuming atom namespaces with Zend_Feed_Atom

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