[fw-mvc] Ideas on how to use ContextSwitch + Zend_Feed_Builder for RSS/Atom Feeds

Hello,

I am trying to use ContextSwitch to allow an RSS/ATOM feed version of a
particular action in one of my controllers.

Here is what I have in the Controller init()

$this->_contextSwitch = $this->_helper->getHelper('contextSwitch');
$this->_contextSwitch->setContext('rss20', array('headers' =>
array('Content-Type' => 'application/rss+xml')));
$this->_contextSwitch->setContext('atom10', array('headers' =>
array('Content-Type' => 'application/atom+xml')));
$this->_contextSwitch->addActionContext('list', array('rss20', 'atom10'));
$this->_contextSwitch->initContext();

=========

I am looking for some ideas on how best to implement outputting an RSS/ATOM
feed with Zend_Feed_Builder.

In the particular action should i use something like

switch ($this->_contextSwitch->getCurrentContext()) {
case 'rss20':
case 'atom10':
// disable layout/viewrenderer, etc
// Build feed and output
$feed->saveXml()
break;

default:
// display regular html version

}

OR

Should I add a suffix for each rss/atom contexts and move the feed building
and output into a view script?

OR

Is there a better way?

I am very curious to see how everyone else is handling something like this?

Thanks!
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