/**
* Finds and calls the requested resource
* @param string $resource_name Requested resource name
* @return string
*/
public final function fetchResource($resource_name = null)
{
if ($resource_name == null) {
$resource_name = $this->get('resource');
}
$resource_obj = ApiResource::getInstance($resource_name, $this);
if ($resource_obj === false) {
$this->checkInternally($resource_name);
}
$user = APIAuthentication::authenticateRequest();
$this->set('user', $user);
$session = JFactory::getSession();
$session->set('user', $user);
$access = $this->getResourceAccess($resource_name, $this->request_method);
if ($access == 'protected' && $user === false) {
ApiError::raiseError(403, APIAuthentication::getAuthError());
}
if (!$this->checkRequestLimit()) {
ApiError::raiseError(403, JText::_('COM_API_RATE_LIMIT_EXCEEDED'));
}
$this->log();
$this->lastUsed();
if ($resource_obj !== false) {
$resource_obj->invoke();
} else {
call_user_func(array($this, $resource_name));
}
$output = $this->encode();
return $output;
}
