Struct hyper::header::ContentType
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pub struct ContentType(pub Mime);
Content-Type
header, defined in
RFC7231
The Content-Type
header field indicates the media type of the
associated representation: either the representation enclosed in the
message payload or the selected representation, as determined by the
message semantics. The indicated media type defines both the data
format and how that data is intended to be processed by a recipient,
within the scope of the received message semantics, after any content
codings indicated by Content-Encoding are decoded.
Although the mime
crate allows the mime options to be any slice, this crate
forces the use of Vec. This is to make sure the same header can't have more than 1 type. If
this is an issue, it's possible to implement Header
on a custom struct.
ABNF
Content-Type = media-type
Example values
text/html; charset=utf-8
application/json
Examples
use hyper::header::{Headers, ContentType}; let mut headers = Headers::new(); headers.set( ContentType::json() );
use hyper::header::{Headers, ContentType}; use hyper::mime; let mut headers = Headers::new(); headers.set( ContentType(mime::TEXT_HTML) );
Methods
impl ContentType
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fn json() -> ContentType
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A constructor to easily create a Content-Type: application/json
header.
fn plaintext() -> ContentType
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A constructor to easily create a Content-Type: text/plain; charset=utf-8
header.
fn html() -> ContentType
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A constructor to easily create a Content-Type: text/html
header.
fn xml() -> ContentType
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A constructor to easily create a Content-Type: text/xml
header.
fn form_url_encoded() -> ContentType
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A constructor to easily create a Content-Type: application/www-form-url-encoded
header.
fn jpeg() -> ContentType
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A constructor to easily create a Content-Type: image/jpeg
header.
fn png() -> ContentType
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A constructor to easily create a Content-Type: image/png
header.
fn octet_stream() -> ContentType
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A constructor to easily create a Content-Type: application/octet-stream
header.
Methods from Deref<Target = Mime>
fn type_(&self) -> Name
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Get the top level media type for this Mime
.
Example
let mime = mime::TEXT_PLAIN; assert_eq!(mime.type_(), "text"); assert_eq!(mime.type_(), mime::TEXT);
fn subtype(&self) -> Name
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Get the subtype of this Mime
.
Example
let mime = mime::TEXT_PLAIN; assert_eq!(mime.subtype(), "plain"); assert_eq!(mime.subtype(), mime::PLAIN);
fn suffix(&self) -> Option<Name>
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Get an optional +suffix for this Mime
.
Example
let svg = "image/svg+xml".parse::<mime::Mime>().unwrap(); assert_eq!(svg.suffix(), Some(mime::XML)); assert_eq!(svg.suffix().unwrap(), "xml"); assert!(mime::TEXT_PLAIN.suffix().is_none());
fn get_param<'a, N>(&'a self, attr: N) -> Option<Name<'a>> where
N: PartialEq<Name<'a>>,
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N: PartialEq<Name<'a>>,
Look up a parameter by name.
Example
let mime = mime::TEXT_PLAIN_UTF_8; assert_eq!(mime.get_param(mime::CHARSET), Some(mime::UTF_8)); assert_eq!(mime.get_param("charset").unwrap(), "utf-8"); assert!(mime.get_param("boundary").is_none()); let mime = "multipart/form-data; boundary=ABCDEFG".parse::<mime::Mime>().unwrap(); assert_eq!(mime.get_param(mime::BOUNDARY).unwrap(), "ABCDEFG");
fn params(&'a self) -> Params<'a>
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Returns an iterator over the parameters.
Trait Implementations
impl Clone for ContentType
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fn clone(&self) -> ContentType
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl Debug for ContentType
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impl PartialEq for ContentType
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fn eq(&self, __arg_0: &ContentType) -> bool
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This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &ContentType) -> bool
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This method tests for !=
.
impl Deref for ContentType
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type Target = Mime
The resulting type after dereferencing.
fn deref(&self) -> &Mime
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Dereferences the value.
impl DerefMut for ContentType
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impl Header for ContentType
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fn header_name() -> &'static str
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Returns the name of the header field this belongs to. Read more
fn parse_header(raw: &Raw) -> Result<Self>
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Parse a header from a raw stream of bytes. Read more
fn fmt_header(&self, f: &mut Formatter) -> Result
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Format a header to outgoing stream. Read more
impl Display for ContentType
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fn fmt(&self, f: &mut Formatter) -> Result
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Formats the value using the given formatter. Read more