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use std::fmt;
#[cfg(feature = "compat")]
use std::mem::replace;
#[cfg(feature = "compat")]
use http;
use header::{Header, Headers};
use proto::{MessageHead, ResponseHead, Body};
use status::StatusCode;
use version::HttpVersion;
pub struct Response<B = Body> {
version: HttpVersion,
headers: Headers,
status: StatusCode,
#[cfg(feature = "raw_status")]
raw_status: ::proto::RawStatus,
body: Option<B>,
}
impl<B> Response<B> {
#[inline]
pub fn new() -> Response<B> {
Response::default()
}
#[inline]
pub fn version(&self) -> HttpVersion { self.version }
#[inline]
pub fn headers(&self) -> &Headers { &self.headers }
#[inline]
pub fn headers_mut(&mut self) -> &mut Headers { &mut self.headers }
#[inline]
pub fn status(&self) -> StatusCode { self.status }
#[inline]
#[cfg(feature = "raw_status")]
pub fn status_raw(&self) -> &::proto::RawStatus { &self.raw_status }
#[inline]
pub fn set_status(&mut self, status: StatusCode) {
self.status = status;
}
#[inline]
pub fn with_status(mut self, status: StatusCode) -> Self {
self.set_status(status);
self
}
#[inline]
pub fn with_header<H: Header>(mut self, header: H) -> Self {
self.headers.set(header);
self
}
#[inline]
pub fn with_headers(mut self, headers: Headers) -> Self {
self.headers = headers;
self
}
#[inline]
pub fn set_body<T: Into<B>>(&mut self, body: T) {
self.body = Some(body.into());
}
#[inline]
pub fn with_body<T: Into<B>>(mut self, body: T) -> Self {
self.set_body(body);
self
}
#[inline]
pub fn body_ref(&self) -> Option<&B> { self.body.as_ref() }
}
impl Response<Body> {
#[inline]
pub fn body(self) -> Body {
self.body.unwrap_or_default()
}
}
#[cfg(not(feature = "raw_status"))]
impl<B> Default for Response<B> {
fn default() -> Response<B> {
Response::<B> {
version: Default::default(),
headers: Default::default(),
status: Default::default(),
body: None,
}
}
}
#[cfg(feature = "raw_status")]
impl<B> Default for Response<B> {
fn default() -> Response<B> {
Response::<B> {
version: Default::default(),
headers: Default::default(),
status: Default::default(),
raw_status: Default::default(),
body: None,
}
}
}
impl fmt::Debug for Response {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Response")
.field("status", &self.status)
.field("version", &self.version)
.field("headers", &self.headers)
.finish()
}
}
#[cfg(feature = "compat")]
impl<B> From<http::Response<B>> for Response<B> {
fn from(from_res: http::Response<B>) -> Response<B> {
let (from_parts, body) = from_res.into_parts();
let mut to_res = Response::new();
to_res.version = from_parts.version.into();
to_res.set_status(from_parts.status.into());
replace(to_res.headers_mut(), from_parts.headers.into());
to_res.with_body(body)
}
}
#[cfg(feature = "compat")]
impl From<Response> for http::Response<Body> {
fn from(mut from_res: Response) -> http::Response<Body> {
let (mut to_parts, ()) = http::Response::new(()).into_parts();
to_parts.version = from_res.version().into();
to_parts.status = from_res.status().into();
let from_headers = replace(from_res.headers_mut(), Headers::new());
to_parts.headers = from_headers.into();
http::Response::from_parts(to_parts, from_res.body())
}
}
#[inline]
#[cfg(not(feature = "raw_status"))]
pub fn from_wire<B>(incoming: ResponseHead, body: Option<B>) -> Response<B> {
let status = incoming.status();
Response::<B> {
status: status,
version: incoming.version,
headers: incoming.headers,
body: body,
}
}
#[inline]
#[cfg(feature = "raw_status")]
pub fn from_wire<B>(incoming: ResponseHead, body: Option<B>) -> Response<B> {
let status = incoming.status();
Response::<B> {
status: status,
version: incoming.version,
headers: incoming.headers,
raw_status: incoming.subject,
body: body,
}
}
#[inline]
pub fn split<B>(res: Response<B>) -> (MessageHead<StatusCode>, Option<B>) {
let head = MessageHead::<StatusCode> {
version: res.version,
headers: res.headers,
subject: res.status
};
(head, res.body)
}