Type Members

1.  type AuthScheme = CaseInsensitiveString
2.  type AuthedRequest[F[_], T] = ContextRequest[F, T]
3.  type AuthedRoutes[T, F[_]] = Kleisli[[β$1$]OptionT[F, β$1$], AuthedRequest[F, T], Response[F]]

   The type parameters need to be in this order to make partial unification trigger.

   The type parameters need to be in this order to make partial unification trigger. See https://github.com/http4s/http4s/issues/1506

4.  final case class BasicCredentials(username: String, password: String) extends Product with Serializable
5.  sealed trait CacheDirective extends Product with Renderable
6.  type Callback[A] = (Either[Throwable, A]) ⇒ Unit
7.  final case class Challenge(scheme: String, realm: String, params: Map[String, String] = Map.empty) extends Renderable with Product with Serializable
8.  final case class Charset extends Renderable with Product with Serializable
9.  sealed abstract class CharsetRange extends HasQValue with Renderable
10.  trait ClientTypes extends AnyRef
11.  class ContentCoding extends HasQValue with Ordered[ContentCoding] with Renderable
12.  final case class ContextRequest[F[_], A](context: A, req: Request[F]) extends Product with Serializable
13.  final case class ContextResponse[F[_], A](context: A, response: Response[F]) extends Product with Serializable
14.  type ContextRoutes[T, F[_]] = Kleisli[[β$2$]OptionT[F, β$2$], ContextRequest[F, T], Response[F]]
15.  sealed abstract class Credentials extends Renderable
16.  trait DecodeFailure extends RuntimeException with MessageFailure

    Indicates a problem decoding a Message.

    Indicates a problem decoding a Message. This may either be a problem with the entity headers or with the entity itself.

17.  type DecodeResult[F[_], A] = EitherT[F, DecodeFailure, A]
18.  final case class Entity[+F[_]](body: EntityBody[F], length: Option[Long] = None) extends Product with Serializable
19.  type EntityBody[+F[_]] = Stream[F, Byte]
20.  trait EntityDecoder[F[_], T] extends AnyRef

    A type that can be used to decode a Message EntityDecoder is used to attempt to decode a Message returning the entire resulting A.

    A type that can be used to decode a Message EntityDecoder is used to attempt to decode a Message returning the entire resulting A. If an error occurs it will result in a failed effect. The default decoders provided here are not streaming, but one could implement a streaming decoder by having the value of A be some kind of streaming construct.

    T

    result type produced by the decoder

    Annotations

    @implicitNotFound( ... )

21.  trait EntityEncoder[F[_], A] extends AnyRef

    Annotations

    @implicitNotFound( ... )

22.  type EventStream[F[_]] = Stream[F, ServerSentEvent]

    A stream of server-sent events

23.  sealed trait FormDataDecoder[A] extends AnyRef

    A decoder ware that uses QueryParamDecoder to decode values in org.http4s.UrlForm

    A decoder ware that uses QueryParamDecoder to decode values in org.http4s.UrlForm

    Examples:

    1. scala> import cats.syntax.all._
       scala> import cats.data._
       scala> import org.http4s.FormDataDecoder._
       scala> import org.http4s.ParseFailure
       scala> case class Foo(a: String, b: Boolean)
       scala> case class Bar(fs: List[Foo], f: Foo, d: Boolean)
       scala>
       scala> implicit val fooMapper: FormDataDecoder[Foo] = (
            |   field[String]("a"),
            |   field[Boolean]("b")
            | ).mapN(Foo.apply)
       scala>
       scala> val barMapper = (
            |   list[Foo]("fs"),
            |   nested[Foo]("f"),
            |   field[Boolean]("d")
            | ).mapN(Bar.apply)
       scala>
       scala> barMapper(
            |   Map(
            |    "fs[].a" -> Chain("a1", "a2"),
            |    "fs[].b" -> Chain("true", "false"),
            |    "f.a" -> Chain("fa"),
            |    "f.b" -> Chain("false"),
            |    "d" -> Chain("true"))
            | )
       res1: ValidatedNel[ParseFailure, Bar] = Valid(Bar(List(Foo(a1,true), Foo(a2,false)),Foo(fa,false),true))

       The companion object provides a EntityDecoder from HTML form parameters.

    ,

    2. import org.http4s.FormDataDecoder.formEntityDecoder
       HttpRoutes
        .of[F] {
          case req @ POST -> Root =>
            req.as[MyEntity].flatMap { entity =>
              Ok()
            }
        }

       For more examples, check the tests https://github.com/http4s/http4s/blob/main/tests/src/test/scala/org/http4s/FormDataDecoderSpec.scala

24.  trait HasQValue extends AnyRef
25.  sealed trait Header extends Renderable with Product

    Abstract representation o the HTTP header

    Abstract representation o the HTTP header

    See also

    org.http4s.HeaderKey

26.  sealed trait HeaderKey extends AnyRef
27.  final class Headers extends AnyVal

    A collection of HTTP Headers

28.  type Http[F[_], G[_]] = Kleisli[F, Request[G], Response[G]]

    A kleisli with a Request input and a Response output.

    A kleisli with a Request input and a Response output. This type is useful for writing middleware that are polymorphic over the return type F.

29.  final case class Http4sVersion(major: Int, minor: Int) extends Product with Serializable
30.  type HttpApp[F[_]] = Kleisli[F, Request[F], Response[F]]

    A kleisli with a Request input and a Response output, such that the response effect is the same as the request and response bodies'.

    A kleisli with a Request input and a Response output, such that the response effect is the same as the request and response bodies'. An HTTP app is total on its inputs. An HTTP app may be run by a server, and a client can be converted to or from an HTTP app.

31.  trait HttpCodec[A] extends Renderer[A]
32.  class HttpDate extends Renderable with Ordered[HttpDate]

    An HTTP-date value represents time as an instance of Coordinated Universal Time (UTC).

    An HTTP-date value represents time as an instance of Coordinated Universal Time (UTC). It expresses time at a resolution of one second. By using it over java.time.Instant in the model, we assure that if two headers render equally, their values are equal.

    See also

    RFC 7231, Section 7.1.1, Origination Date

33.  type HttpRoutes[F[_]] = Kleisli[[β$0$]OptionT[F, β$0$], Request[F], Response[F]]

    A kleisli with a Request input and a Response output, such that the response effect is an optional inside the effect of the request and response bodies.

    A kleisli with a Request input and a Response output, such that the response effect is an optional inside the effect of the request and response bodies. HTTP routes can conveniently be constructed from a partial function and combined as a SemigroupK.

34.  final case class HttpVersion extends Renderable with Ordered[HttpVersion] with Product with Serializable

    An HTTP version, as seen on the start line of an HTTP request or response.

    An HTTP version, as seen on the start line of an HTTP request or response.

    See also

    RFC 7320, Section 2.6, Protocol Versioning

35.  final case class InvalidBodyException(msg: String) extends Exception with NoStackTrace with Product with Serializable

    Exception dealing with invalid body

    Exception dealing with invalid body

    msg

    description if what makes the body invalid

36.  final case class InvalidMessageBodyFailure(details: String, cause: Option[Throwable] = None) extends RuntimeException with MessageBodyFailure with Product with Serializable

    Indicates a semantic error decoding the body of an HTTP Message.

37.  final case class InvalidResponseException(msg: String) extends Exception with NoStackTrace with Product with Serializable

    Exception dealing with invalid response

    Exception dealing with invalid response

    msg

    description if what makes the response invalid

38.  final case class LanguageTag(primaryTag: String, q: QValue = QValue.One, subTags: List[String] = Nil) extends Renderable with Product with Serializable
39.  final case class MalformedMessageBodyFailure(details: String, cause: Option[Throwable] = None) extends RuntimeException with MessageBodyFailure with Product with Serializable

    Indicates an syntactic error decoding the body of an HTTP Message.

40.  trait Media[F[_]] extends AnyRef
41.  sealed class MediaRange extends AnyRef
42.  sealed class MediaType extends MediaRange
43.  final case class MediaTypeMismatch(messageType: MediaType, expected: Set[MediaRange]) extends UnsupportedMediaTypeFailure with Product with Serializable

    Indicates that no EntityDecoder matches the MediaType of the Message being decoded

44.  final case class MediaTypeMissing(expected: Set[MediaRange]) extends UnsupportedMediaTypeFailure with Product with Serializable

    Indicates that a Message attempting to be decoded has no MediaType and no EntityDecoder was lenient enough to accept it.

45.  sealed trait Message[F[_]] extends Media[F]

    Represents a HTTP Message.

    Represents a HTTP Message. The interesting subclasses are Request and Response.

46.  trait MessageBodyFailure extends RuntimeException with DecodeFailure

    Indicates a problem decoding a Message body.

47.  trait MessageFailure extends RuntimeException

    Indicates a failure to handle an HTTP Message.

48.  sealed abstract case class Method extends Renderable with Semantics with Product with Serializable

    An HTTP method.

    An HTTP method.

    See also

    RFC 7321, Section 4, Request Methods

    IANA HTTP Method Registry

49.  final case class ParseFailure(sanitized: String, details: String) extends RuntimeException with MessageFailure with NoStackTrace with Product with Serializable

    Indicates an error parsing an HTTP Message.

    Indicates an error parsing an HTTP Message.

    sanitized

    May safely be displayed to a client to describe an error condition. Should not echo any part of a Request.

    details

    Contains any relevant details omitted from the sanitized version of the error. This may freely echo a Request.

50.  type ParseResult[+A] = Either[ParseFailure, A]
51.  final class QValue extends AnyVal with Ordered[QValue]

    A Quality Value.

    A Quality Value. Represented as thousandths for an exact representation rounded to three decimal places.

    See also

    RFC 2616, Section 3.9, Quality Values

52.  final class Query extends QueryOps with Renderable

    Collection representation of a query string

    Collection representation of a query string

    It is a indexed sequence of key and maybe a value pairs which maps precisely to a query string, modulo the identity of separators.

    When rendered, the resulting String will have the pairs separated by '&' while the key is separated from the value with '='

53.  trait QueryOps extends AnyRef
54.  trait QueryParam[T] extends AnyRef

    type class defining the key of a query parameter Usually used in conjunction with QueryParamEncoder and QueryParamDecoder

55.  trait QueryParamCodec[T] extends QueryParamEncoder[T] with QueryParamDecoder[T]
56.  trait QueryParamDecoder[T] extends AnyRef

    Type class defining how to decode a QueryParameterValue into a T

    Type class defining how to decode a QueryParameterValue into a T

    See also

    QueryParamCodecLaws

57.  trait QueryParamEncoder[T] extends AnyRef

    Type class defining how to encode a T as a QueryParameterValues

    Type class defining how to encode a T as a QueryParameterValues

    See also

    QueryParamCodecLaws

58.  trait QueryParamKeyLike[T] extends AnyRef
59.  final case class QueryParameterKey(value: String) extends AnyVal with Product with Serializable
60.  final case class QueryParameterValue(value: String) extends AnyVal with Product with Serializable
61.  final case class RangeUnit(value: String) extends Renderable with Product with Serializable
62.  final class Request[F[_]] extends Message[F] with Product with Serializable

    Representation of an incoming HTTP message

    Representation of an incoming HTTP message

    A Request encapsulates the entirety of the incoming HTTP request including the status line, headers, and a possible request body.

63.  final case class RequestCookie(name: String, content: String) extends Renderable with Product with Serializable
64.  final case class Response[F[_]](status: Status = Status.Ok, httpVersion: HttpVersion = HttpVersion.`HTTP/1.1`, headers: Headers = Headers.empty, body: EntityBody[F] = EmptyBody, attributes: Vault = Vault.empty) extends Message[F] with Product with Serializable

    Representation of the HTTP response to send back to the client

    Representation of the HTTP response to send back to the client

    status

    Status code and message

    headers

    Headers containing all response headers

    body

    EntityBody[F] representing the possible body of the response

    attributes

    io.chrisdavenport.vault.Vault containing additional parameters which may be used by the http4s backend for additional processing such as java.io.File object

65.  final case class ResponseCookie(name: String, content: String, expires: Option[HttpDate] = None, maxAge: Option[Long] = None, domain: Option[String] = None, path: Option[String] = None, sameSite: SameSite = SameSite.Lax, secure: Boolean = false, httpOnly: Boolean = false, extension: Option[String] = None) extends Renderable with Product with Serializable
    extension

    The extension attributes of the cookie. If there is more than one, they are joined by semi-colon, which must not appear in an attribute value.

66.  sealed trait SameSite extends Renderable

    RFC6265 SameSite cookie attribute values.

67.  final case class ServerSentEvent(data: String, eventType: Option[String] = None, id: Option[EventId] = None, retry: Option[Long] = None) extends Renderable with Product with Serializable
68.  final case class ServerSoftware(product: String, productVersion: Option[String] = None, comment: Option[String] = None) extends Product with Serializable
69.  sealed abstract case class Status extends Ordered[Status] with Renderable with Product with Serializable

    Representation of the HTTP response code and reason

    Representation of the HTTP response code and reason

    Note: the reason is not important to the protocol and is not considered in equality checks.

    See also

    RFC 7231, Section 6, Response Status Codes

    IANA Status Code Registry

70.  class TransferCoding extends Ordered[TransferCoding] with Renderable
71.  sealed abstract class UnsupportedMediaTypeFailure extends RuntimeException with DecodeFailure with NoStackTrace

    Indicates that a Message came with no supported MediaType.

72.  final case class Uri(scheme: Option[Scheme] = None, authority: Option[Authority] = None, path: Path = "", query: Query = Query.empty, fragment: Option[Fragment] = None) extends QueryOps with Renderable with Product with Serializable

    Representation of the Request URI

    Representation of the Request URI

    scheme

    optional Uri Scheme. eg, http, https

    authority

    optional Uri Authority. eg, localhost:8080, www.foo.bar

    path

    url-encoded string representation of the path component of the Uri.

    query

    optional Query. url-encoded.

    fragment

    optional Uri Fragment. url-encoded.

73.  final case class UriTemplate(scheme: Option[Scheme] = None, authority: Option[Authority] = None, path: Path = Nil, query: UriTemplate.Query = Nil, fragment: Fragment = Nil) extends Product with Serializable

    Simple representation of a URI Template that can be rendered as RFC6570 conform string.

    Simple representation of a URI Template that can be rendered as RFC6570 conform string.

    This model reflects only a subset of RFC6570.

    Level 1 and Level 2 are completely modeled and Level 3 features are limited to:

    • Path segments, slash-prefixed
    • Form-style query, ampersand-separated
    • Fragment expansion
74.  final class UrlForm extends AnyVal
75.  type AuthedService[T, F[_]] = Kleisli[[β$1$]OptionT[F, β$1$], AuthedRequest[F, T], Response[F]]

    Annotations

    @deprecated

    Deprecated

    (Since version 0.20.1) Deprecated in favor of AuthedRoutes

76.  trait Http4s extends Http4sInstances with Http4sFunctions with AllSyntax

    Annotations

    @deprecated

    Deprecated

    (Since version 0.20.0-M2) Use org.http4s.implicits._ instead

77.  trait Http4sFunctions extends AnyRef

    Annotations

    @deprecated

    Deprecated

    (Since version 0.20.0-M2) Use org.http4s.qvalue._ or org.http4s.Uri._ instead

78.  trait Http4sInstances extends AnyRef

    Annotations

    @deprecated

    Deprecated

    (Since version 0.20.0-M2) Import from or use EntityDecoder/EntityEncoder directly instead

79.  type Http4sSyntax = AllSyntax

    Annotations

    @deprecated

    Deprecated

    (Since version 0.16) Moved to org.http4s.syntax.AllSyntax

80.  type HttpService[F[_]] = Kleisli[[β$0$]OptionT[F, β$0$], Request[F], Response[F]]

    Annotations

    @deprecated

    Deprecated

    (Since version 0.19) Deprecated in favor of HttpRoutes

81.  final class RequestCookieJar extends AnyVal

    Annotations

    @deprecated

    Deprecated

    (Since version 0.21.20) Use the CookieJar middleware instead

82.  type Service[F[_], A, B] = Kleisli[F, A, B]

    Annotations

    @deprecated

    Deprecated

    (Since version 0.18) Deprecated in favor of just using Kleisli