http4k-core/org.http4k.lens/LensInjectorExtractor

LensInjectorExtractor

interface LensInjectorExtractor<in IN, OUT> : LensExtractor<IN, OUT> , LensInjector<OUT, IN>

Inheritors

BiDiBodyLens

BiDiLens

BiDiPathLens

Functions

and

fun Events.and(next: Events): Events

asResult

fun <IN, OUT> LensExtractor<IN, OUT>.asResult(): LensExtractor<IN, Result<OUT, LensFailure>>

Convert the result of a lens extraction to a Result4k type which

asRouter

fun (Request) -> Boolean.asRouter(description: String = unavailable.description): Router

Convert any predicate on a request into a router

asServer

fun HttpHandler.asServer(config: ServerConfig): Http4kServer

asServlet

fun HttpHandler.asServlet(): HttpHandlerServlet

debug

fun HttpHandler.debug(out: PrintStream = System.out, debugStream: Boolean = false): (request: Request) -> Response

extract

open fun extract(target: IN): OUT

Lens operation to get the value from the target. Synonym for invoke(IN)

get

open operator fun <R : IN> get(target: R): OUT

Lens operation to get the value from the target. Synonym for invoke(IN)

inject

open fun <R : IN> inject(value: OUT, target: R): R

Lens operation to set the value into the target. Synomym for invoke(IN, OUT)

invoke

abstract operator override fun invoke(target: IN): OUT

Lens operation to get the value from the target

abstract operator fun <R : IN> invoke(value: OUT, target: R): R

Lens operation to set the value into the target

open infix fun <R : IN> of(value: OUT): (R) -> R

Bind this Lens to a value, so we can set it into a target

restrictFrom

open fun <NEXT : IN> restrictFrom(): LensExtractor<NEXT, OUT>

Restrict the type that this Lens can extract from

restrictInto

open fun <NEXT : IN> restrictInto(): LensInjector<OUT, NEXT>

Restrict the type that this Lens can inject into

set

open operator fun <R : IN> set(target: R, value: OUT): R

Lens operation to set the value into the target. Synomym for invoke(IN, OUT)

then

fun Events.~~then~~(next: Events): (Event) -> Unit

withAsyncApi

fun HttpHandler.withAsyncApi(): AsyncHttpHandler

Convert a synchronous HttpHandler API to mimic AsyncHttpClient