[android help] Andriod XML Parsing using SAXParser

I have My Rss File Items :

http://www.tele.com/rssHostDescr.php?hostId=15
http://www.tele.com/rssHostDescr.php?hostId=14
2013-04-10
Prasad



........................


etc.....................

I'm trying to parse the above file,I'm able to get all the information(title,link,date)but my requirement is to get url attribute value,How to get the URL value from media:thumbnail tag? Could any one help?

here my code:

public class HostsRssHandler extends DefaultHandler {
    private List messages;
    private HostsProfile currentMessage;
    private StringBuilder builder;

    public List getMessages(){
        return messages;
    }
    @Override
    public void characters(char[] ch, int start, int length)
            throws SAXException {
        super.characters(ch, start, length);
        builder.append(ch, start, length);
    }
    @Override
    public void endElement(String uri, String localName, String name)
            throws SAXException {
        super.endElement(uri, localName, name);
        if (this.currentMessage != null){
            if (localName.equalsIgnoreCase("tilte")){
                currentMessage.setTitle(builder.toString());
            } else if (localName.equalsIgnoreCase("link")){
                currentMessage.setLink(builder.toString());
            }
                else if (localName.equalsIgnoreCase("media:thumbnail")){
                    currentMessage.setMediathumbnail(builder.toString());
                }
             else if (localName.equalsIgnoreCase("pubDate")){
                currentMessage.setDate(builder.toString());
            }


            else if (localName.equalsIgnoreCase("item")){
                messages.add(currentMessage);
            }
            builder.setLength(0);   
        }
    }

    @Override
    public void startDocument() throws SAXException {
        super.startDocument();
        messages = new ArrayList();
        builder = new StringBuilder();
    }

    @Override
    public void startElement(String uri, String localName, String name,
            Attributes attributes) throws SAXException {
        super.startElement(uri, localName, name, attributes);
        if (localName.equalsIgnoreCase("item")){
            this.currentMessage = new HostsProfile();
        }
    }   
}

Note:

else if (localName.equalsIgnoreCase("media:thumbnail")){
                    currentMessage.setMediathumbnail(builder.toString());// During My Program Execution, Here I'm not able to get any value
                }

.

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