Trait rustful::filter::ResponseFilter

pub trait ResponseFilter: Send + Sync {
    fn begin(
        &self, 
        context: FilterContext, 
        status: StatusCode, 
        headers: &mut Headers
    ) -> (StatusCode, ResponseAction);
    fn write<'a>(
        &'a self, 
        context: FilterContext, 
        content: Option<Data<'a>>
    ) -> ResponseAction;
    fn end(&self, context: FilterContext) -> ResponseAction;
}

A trait for response filters.

They are able to modify headers and data before it gets written in the response.

Required Methods

fn begin(
    &self,
    context: FilterContext,
    status: StatusCode,
    headers: &mut Headers
) -> (StatusCode, ResponseAction)

Set or modify headers before they are sent to the client and maybe initiate the body.

fn write<'a>(
    &'a self,
    context: FilterContext,
    content: Option<Data<'a>>
) -> ResponseAction

Handle content before writing it to the body.

fn end(&self, context: FilterContext) -> ResponseAction

End of body writing. Last chance to add content.

Implementors