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package com.softwaremill.sttp.asynchttpclient.future
import java.nio.ByteBuffer
import com.softwaremill.sttp.asynchttpclient.AsyncHttpClientBackend
import com.softwaremill.sttp.{FollowRedirectsBackend, FutureMonad, SttpBackend}
import org.asynchttpclient.{
AsyncHttpClient,
AsyncHttpClientConfig,
DefaultAsyncHttpClient
}
import org.reactivestreams.Publisher
import scala.concurrent.duration.FiniteDuration
import scala.concurrent.{ExecutionContext, Future}
class AsyncHttpClientFutureBackend private (
asyncHttpClient: AsyncHttpClient,
closeClient: Boolean)(implicit ec: ExecutionContext)
extends AsyncHttpClientBackend[Future, Nothing](asyncHttpClient,
new FutureMonad,
closeClient) {
override protected def streamBodyToPublisher(
s: Nothing): Publisher[ByteBuffer] = s // nothing is everything
override protected def publisherToStreamBody(
p: Publisher[ByteBuffer]): Nothing =
throw new IllegalStateException("This backend does not support streaming")
override protected def publisherToString(
p: Publisher[ByteBuffer]): Future[String] =
throw new IllegalStateException("This backend does not support streaming")
}
object AsyncHttpClientFutureBackend {
private def apply(asyncHttpClient: AsyncHttpClient, closeClient: Boolean)(
implicit ec: ExecutionContext): SttpBackend[Future, Nothing] =
new FollowRedirectsBackend[Future, Nothing](
new AsyncHttpClientFutureBackend(asyncHttpClient, closeClient))
/**
* @param ec The execution context for running non-network related operations,
* e.g. mapping responses. Defaults to the global execution
* context.
*/
def apply(connectionTimeout: FiniteDuration =
SttpBackend.DefaultConnectionTimeout)(
implicit ec: ExecutionContext = ExecutionContext.Implicits.global)
: SttpBackend[Future, Nothing] =
AsyncHttpClientFutureBackend(
AsyncHttpClientBackend.defaultClient(connectionTimeout.toMillis.toInt),
closeClient = true)
/**
* @param ec The execution context for running non-network related operations,
* e.g. mapping responses. Defaults to the global execution
* context.
*/
def usingConfig(cfg: AsyncHttpClientConfig)(
implicit ec: ExecutionContext = ExecutionContext.Implicits.global)
: SttpBackend[Future, Nothing] =
AsyncHttpClientFutureBackend(new DefaultAsyncHttpClient(cfg),
closeClient = true)
/**
* @param ec The execution context for running non-network related operations,
* e.g. mapping responses. Defaults to the global execution
* context.
*/
def usingClient(client: AsyncHttpClient)(implicit ec: ExecutionContext =
ExecutionContext.Implicits.global)
: SttpBackend[Future, Nothing] =
AsyncHttpClientFutureBackend(client, closeClient = false)
}
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