Trait ferrum::middleware::AfterMiddleware

pub trait AfterMiddleware: Send + Sync + 'static {
    fn after(
        &self, 
        _request: &mut Request, 
        response: Response
    ) -> FerrumResult<Response> { ... }
    fn catch(
        &self, 
        _request: &mut Request, 
        error: FerrumError
    ) -> FerrumResult<Response> { ... }
}

AfterMiddleware are fired after a Handler is called inside of a Chain.

AfterMiddleware receive both a Request and a Response and are responsible for doing any response post-processing.

AfterMiddleware should not overwrite the contents of a Response. In the common case, a complete response is generated by the Chain's Handler and AfterMiddleware simply do post-processing of that Response, such as adding headers or logging.

Provided Methods

fn after(
    &self,
    _request: &mut Request,
    response: Response
) -> FerrumResult<Response>

Do whatever post-processing this middleware should do.

fn catch(
    &self,
    _request: &mut Request,
    error: FerrumError
) -> FerrumResult<Response>

Respond to an error thrown by previous AfterMiddleware, the Handler, or a BeforeMiddleware.

Returning Ok will cause the request to resume the normal flow at the next AfterMiddleware.

Implementations on Foreign Types

impl AfterMiddleware for Box<AfterMiddleware>

fn after(&self, req: &mut Request, res: Response) -> FerrumResult<Response>

fn catch(&self, req: &mut Request, err: FerrumError) -> FerrumResult<Response>

impl<T> AfterMiddleware for Arc<T> where
    T: AfterMiddleware, 

fn after(&self, req: &mut Request, res: Response) -> FerrumResult<Response>

fn catch(&self, req: &mut Request, err: FerrumError) -> FerrumResult<Response>

Implementors

• impl<F> AfterMiddleware for F where
    F: Send + Sync + 'static + Fn(&mut Request, Response) -> FerrumResult<Response>,