/**
* gets the HTTP content type for the current request.
*
* Note: getHTTPBody must be called before this.
*
* @return string the HTTP content type for the current request.
* @access private
*/
function getHTTPContentType()
{
if (count($this->requestAttachments) > 0) {
return $this->mimeContentType;
}
return parent::getHTTPContentType();
}