/**
* method used to return the current event object
* will instantiate the event object if it doesn't already exist
*
* @access public
* @static
* @return System_Event_Controller
*/
public static function getEventObj()
{
if (!self::$_event_obj) {
self::$_event_obj = new System_Event_Controller();
}
return self::$_event_obj;
}
/**
* sets the request event object if it isn't set and also sets the event_obj property
* this method should be called in all of the system events to ensure that the event object exists
*
* @access private
* @return System_Request_Command_Abstract
*/
private function getRequestEvent()
{
if (!$this->_request_event_obj) {
$this->_request_event_obj = System_Request_Command_Event::getInstance();
$this->_event_obj = $this->_request_event_obj->getEventObj();
}
return $this;
}
/**
* determines which command to return
* TODO: come up with a way to all for all response types to be represented in the System_Request_Command_Generic call
*
* @access private
* @return string that represents a System_Request_Command_Abstract
*/
private function getCommand()
{
$use_404 = false;
$use_401 = false;
if ($this->validateRequest()) {
if (!isset($this->_data['command']) || !class_exists($this->_data['command'])) {
$use_404 = true;
}
} else {
$use_401 = true;
}
if ($use_401 || $use_404) {
$event = $use_404 ? 404 : 401;
$request_event = System_Request_Command_Event::getInstance();
$this->_command_data['event'] = $event;
$command = 'System_Request_Command_Generic';
} else {
$command = $this->_data['command'];
}
return $command;
}
