Instance Methodvapor 4.114.1Vapor->NIOHTTP1
first(name:)
Returns the first header value with the supplied name.
func first(name: Name) -> String? Parameters
- name
The header field name whose values are to be retrieved.
Returns the first header value with the supplied name.
func first(name: Name) -> String? s8NIOHTTP111HTTPHeadersV5VaporE5first4nameSSSgAcDE4NameV_tF What are these?JPJBThe header field name whose values are to be retrieved.
import NIOHTTP1import VaporVapor is a framework for building server applications, APIs and websites in Swift. It provides a safe, performant and scalable foundation for building large complex backends.
struct HTTPHeadersA representation of a block of HTTP header fields.
struct NameType used for the name of a HTTP header in the HTTPHeaders storage.
@frozen struct StringA Unicode string value that is a collection of characters.
init(from decoder: any Decoder) throws var accept: [HTTPMediaTypePreference] { get }Returns a collection of MediaTypePreferences specified by this HTTP message’s "Accept" header.
var basicAuthorization: BasicAuthorization? { get set }Access or set the Authorization: Basic: ... header.
var bearerAuthorization: BearerAuthorization? { get set }Access or set the Authorization: Bearer: ... header.
var cacheControl: CacheControl? { get set }Gets the value of the Cache-Control header, if present.
var connection: Connection? { get set }var contentDisposition: ContentDisposition? { get set }Convenience for accessing the Content-Disposition header.
var contentRange: ContentRange? { get set }Convenience for accessing the Content-Range response header.
var contentType: HTTPMediaType? { get set }MediaType specified by this message’s "Content-Type" header.
var cookie: HTTPCookies? { get set }Get and set HTTPCookies for an HTTP request This accesses the "Cookie" header.
var debugDescription: String { get }See CustomDebugStringConvertible.debugDescription
var expires: Expires? { get set }Gets the value of the Expires header, if present.
var forwarded: [Forwarded] { get set }Convenience for accessing the Forwarded header. This header is added by proxies to pass information about the original request.
var lastModified: LastModified? { get set }var links: [Link]? { get set }Convenience for accessing the Link header as an array of provided links.
var range: Range? { get set }Convenience for accessing the Range request header.
var responseCompression: ResponseCompression { get set }A marker header internal to vapor that explicitely allows or disallows response compression.
var setCookie: HTTPCookies? { get set }Get and set HTTPCookies for an HTTP response This accesses the "Set-Cookie" header.
subscript(name: Name) -> [String] { get } Retrieve all of the values for a given header field name from the block.
subscript(canonicalForm name: Name) -> [Substring] { get } mutating func add(name: Name, value: String) Add a header name/value pair to the block.
func contains(name: Name) -> Bool Returns true if the HTTPHeaders contains a value for the supplied name.
func encode(to encoder: any Encoder) throws func expirationDate(requestSentAt: Date) -> Date? Determines when the cached data should be expired.
mutating func remove(name: Name) Remove all values for a given header name from the block.
mutating func replaceOrAdd(name: Name, value: String) Add a header name/value pair to the block, replacing any previous values for the same header name that are already in the block.
struct CacheControlRepresents the HTTP Cache-Control header.
struct Connectionstruct ContentDispositionstruct ContentRangeRepresents the HTTP Content-Range response header.
struct Expiresstruct ForwardedParses the Forwarded header.
struct LastModifiedRepresents the HTTP Last-Modified header.
struct Linkstruct RangeRepresents the HTTP Range request header. See https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Range
enum RangeUnitThe unit in which ContentRanges and Ranges are specified. This is usually bytes. See https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Range
struct ResponseCompressionA marker header internal to vapor that explicitely allows or disallows response compression.