public function doHttpOptions()
    {
        $methods = implode( ', ', $this->supported_http_methods );
        $result = new ezpRestMvcResult;
        $result->status = new ezpRestStatusResponse(
            ezpHttpResponseCodes::OK,
            'Allowed methods are: ' . $methods,
            array( 'Allow' => $methods )
        );
        return $result;
    }