Struct ResponseBuilder

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pub struct ResponseBuilder { /* private fields */ }
Expand description

An HTTP response builder

This type can be used to construct an instance of Response through a builder-like pattern.

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impl ResponseBuilder

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pub fn new(status: StatusCode) -> Self

Create response builder

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pub fn status(&mut self, status: StatusCode) -> &mut Self

Set HTTP status code of this response.

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pub fn header<K, V>(&mut self, key: K, value: V) -> &mut Self

Append a header to existing headers.

use scrappy_http::{http, Request, Response};

fn index(req: Request) -> Response {
    Response::Ok()
        .header("X-TEST", "value")
        .header(http::header::CONTENT_TYPE, "application/json")
        .finish()
}
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pub fn set_header<K, V>(&mut self, key: K, value: V) -> &mut Self

Set a header.

use scrappy_http::{http, Request, Response};

fn index(req: Request) -> Response {
    Response::Ok()
        .set_header("X-TEST", "value")
        .set_header(http::header::CONTENT_TYPE, "application/json")
        .finish()
}
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pub fn reason(&mut self, reason: &'static str) -> &mut Self

Set the custom reason for the response.

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pub fn keep_alive(&mut self) -> &mut Self

Set connection type to KeepAlive

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pub fn upgrade<V>(&mut self, value: V) -> &mut Self
where V: IntoHeaderValue,

Set connection type to Upgrade

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pub fn force_close(&mut self) -> &mut Self

Force close connection, even if it is marked as keep-alive

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pub fn no_chunking(&mut self) -> &mut Self

Disable chunked transfer encoding for HTTP/1.1 streaming responses.

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pub fn content_type<V>(&mut self, value: V) -> &mut Self

Set response content type

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pub fn content_length(&mut self, len: u64) -> &mut Self

Set content length

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pub fn cookie<'c>(&mut self, cookie: Cookie<'c>) -> &mut Self

Set a cookie

use scrappy_http::{http, Request, Response};

fn index(req: Request) -> Response {
    Response::Ok()
        .cookie(
            http::Cookie::build("name", "value")
                .domain("www.rust-lang.org")
                .path("/")
                .secure(true)
                .http_only(true)
                .finish(),
        )
        .finish()
}

Remove cookie

use scrappy_http::{http, Request, Response, HttpMessage};

fn index(req: Request) -> Response {
    let mut builder = Response::Ok();

    if let Some(ref cookie) = req.cookie("name") {
        builder.del_cookie(cookie);
    }

    builder.finish()
}
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pub fn if_true<F>(&mut self, value: bool, f: F) -> &mut Self
where F: FnOnce(&mut ResponseBuilder),

This method calls provided closure with builder reference if value is true.

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pub fn if_some<T, F>(&mut self, value: Option<T>, f: F) -> &mut Self
where F: FnOnce(T, &mut ResponseBuilder),

This method calls provided closure with builder reference if value is Some.

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pub fn extensions(&self) -> Ref<'_, Extensions>

Responses extensions

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pub fn extensions_mut(&mut self) -> RefMut<'_, Extensions>

Mutable reference to a the response’s extensions

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pub fn body<B: Into<Body>>(&mut self, body: B) -> Response

Set a body and generate Response.

ResponseBuilder can not be used after this call.

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pub fn message_body<B>(&mut self, body: B) -> Response<B>

Set a body and generate Response.

ResponseBuilder can not be used after this call.

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pub fn streaming<S, E>(&mut self, stream: S) -> Response
where S: Stream<Item = Result<Bytes, E>> + 'static, E: Into<Error> + 'static,

Set a streaming body and generate Response.

ResponseBuilder can not be used after this call.

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pub fn json<T: Serialize>(&mut self, value: T) -> Response

Set a json body and generate Response

ResponseBuilder can not be used after this call.

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pub fn json2<T: Serialize>(&mut self, value: &T) -> Response

Set a json body and generate Response

ResponseBuilder can not be used after this call.

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pub fn finish(&mut self) -> Response

Set an empty body and generate Response

ResponseBuilder can not be used after this call.

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pub fn take(&mut self) -> ResponseBuilder

This method construct new ResponseBuilder

Trait Implementations§

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impl Debug for ResponseBuilder

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'a> From<&'a ResponseHead> for ResponseBuilder

Convert ResponseHead to a ResponseBuilder

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fn from(head: &'a ResponseHead) -> ResponseBuilder

Converts to this type from the input type.
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impl<B> From<Response<B>> for ResponseBuilder

Convert Response to a ResponseBuilder. Body get dropped.

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fn from(res: Response<B>) -> ResponseBuilder

Converts to this type from the input type.
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impl From<ResponseBuilder> for Error

Convert ResponseBuilder to a Error

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fn from(res: ResponseBuilder) -> Error

Converts to this type from the input type.
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impl From<ResponseBuilder> for Response

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fn from(builder: ResponseBuilder) -> Self

Converts to this type from the input type.
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impl Future for ResponseBuilder

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type Output = Result<Response, Error>

The type of value produced on completion.
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fn poll(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Self::Output>

Attempts to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more

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Immutably borrows from an owned value. Read more
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