Files
axum/src/response.rs
T

103 lines
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Rust
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use crate::{Body, Error};
use bytes::Bytes;
use http::{header, HeaderValue, Response};
use serde::Serialize;
pub trait IntoResponse<B> {
fn into_response(self) -> Result<Response<B>, Error>;
}
impl<B> IntoResponse<B> for Response<B> {
fn into_response(self) -> Result<Response<B>, Error> {
Ok(self)
}
}
impl IntoResponse<Body> for &'static str {
fn into_response(self) -> Result<Response<Body>, Error> {
Ok(Response::new(Body::from(self)))
}
}
impl IntoResponse<Body> for String {
fn into_response(self) -> Result<Response<Body>, Error> {
Ok(Response::new(Body::from(self)))
}
}
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impl IntoResponse<Body> for std::borrow::Cow<'static, str> {
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fn into_response(self) -> Result<Response<Body>, Error> {
Ok(Response::new(Body::from(self)))
}
}
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impl IntoResponse<Body> for Bytes {
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fn into_response(self) -> Result<Response<Body>, Error> {
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let mut res = Response::new(Body::from(self));
res.headers_mut().insert(
header::CONTENT_TYPE,
HeaderValue::from_static("application/octet-stream"),
);
Ok(res)
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}
}
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impl IntoResponse<Body> for &'static [u8] {
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fn into_response(self) -> Result<Response<Body>, Error> {
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let mut res = Response::new(Body::from(self));
res.headers_mut().insert(
header::CONTENT_TYPE,
HeaderValue::from_static("application/octet-stream"),
);
Ok(res)
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}
}
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impl IntoResponse<Body> for Vec<u8> {
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fn into_response(self) -> Result<Response<Body>, Error> {
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let mut res = Response::new(Body::from(self));
res.headers_mut().insert(
header::CONTENT_TYPE,
HeaderValue::from_static("application/octet-stream"),
);
Ok(res)
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}
}
impl IntoResponse<Body> for std::borrow::Cow<'static, [u8]> {
fn into_response(self) -> Result<Response<Body>, Error> {
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let mut res = Response::new(Body::from(self));
res.headers_mut().insert(
header::CONTENT_TYPE,
HeaderValue::from_static("application/octet-stream"),
);
Ok(res)
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}
}
pub struct Json<T>(pub T);
impl<T> IntoResponse<Body> for Json<T>
where
T: Serialize,
{
fn into_response(self) -> Result<Response<Body>, Error> {
let bytes = serde_json::to_vec(&self.0).map_err(Error::SerializeResponseBody)?;
let mut res = Response::new(Body::from(bytes));
res.headers_mut().insert(
header::CONTENT_TYPE,
HeaderValue::from_static("application/json"),
);
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Ok(res)
}
}
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#[derive(Debug, Copy, Clone)]
pub struct Empty;
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impl IntoResponse<Body> for Empty {
fn into_response(self) -> Result<Response<Body>, Error> {
Ok(Response::new(Body::empty()))
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}
}