org.apache.hc.client5.http.impl.async

## Class HttpAsyncClients

- java.lang.Object
- - org.apache.hc.client5.http.impl.async.HttpAsyncClients

-     public final class HttpAsyncClients
      extends Object

  Factory methods for `CloseableHttpAsyncClient` instances.
  Since:
    5.0

- - ### Method Summary

    All Methods Static Methods Concrete Methods Deprecated Methods
    Modifier and Type | Method and Description
    --- | ---
    `static CloseableHttpAsyncClient` | `createDefault()` Creates `CloseableHttpAsyncClient` instance with default configuration.
    `static CloseableHttpAsyncClient` | `createHttp2Default()` Creates HTTP/2 `CloseableHttpAsyncClient` instance with default configuration optimized for HTTP/2 protocol and message multiplexing.
    `static MinimalH2AsyncClient` | `createHttp2Minimal()` Creates `MinimalH2AsyncClient` instance optimized for HTTP/2 multiplexing message transport without advanced HTTP protocol functionality.
    `static MinimalH2AsyncClient` | `createHttp2Minimal(org.apache.hc.core5.http2.config.H2Config h2Config)` Creates `MinimalH2AsyncClient` instance optimized for HTTP/2 multiplexing message transport without advanced HTTP protocol functionality.
    `static MinimalH2AsyncClient` | `createHttp2Minimal(org.apache.hc.core5.http2.config.H2Config h2Config, org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig)` Creates `MinimalH2AsyncClient` instance optimized for HTTP/2 multiplexing message transport without advanced HTTP protocol functionality.
    `static MinimalH2AsyncClient` | `createHttp2Minimal(org.apache.hc.core5.http2.config.H2Config h2Config, org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig, DnsResolver dnsResolver, org.apache.hc.core5.http.nio.ssl.TlsStrategy tlsStrategy)` Creates `MinimalH2AsyncClient` instance optimized for HTTP/2 multiplexing message transport without advanced HTTP protocol functionality.
    `static MinimalH2AsyncClient` | `createHttp2Minimal(org.apache.hc.core5.http2.config.H2Config h2Config, org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig, org.apache.hc.core5.http.nio.ssl.TlsStrategy tlsStrategy)` Creates `MinimalH2AsyncClient` instance optimized for HTTP/2 multiplexing message transport without advanced HTTP protocol functionality.
    `static CloseableHttpAsyncClient` | `createHttp2System()` Creates HTTP/2 `CloseableHttpAsyncClient` instance with default configuration and system properties optimized for HTTP/2 protocol and message multiplexing.
    `static MinimalHttpAsyncClient` | `createMinimal()` Creates `MinimalHttpAsyncClient` instance optimized for HTTP/1.1 and HTTP/2 message transport without advanced HTTP protocol functionality.
    `static MinimalHttpAsyncClient` | `createMinimal(AsyncClientConnectionManager connManager)` Creates `MinimalHttpAsyncClient` instance optimized for HTTP/1.1 and HTTP/2 message transport without advanced HTTP protocol functionality.
    `static MinimalHttpAsyncClient` | `createMinimal(org.apache.hc.core5.http2.config.H2Config h2Config, org.apache.hc.core5.http.config.Http1Config h1Config)` Creates `MinimalHttpAsyncClient` instance optimized for HTTP/1.1 and HTTP/2 message transport without advanced HTTP protocol functionality.
    `static MinimalHttpAsyncClient` | `createMinimal(org.apache.hc.core5.http2.config.H2Config h2Config, org.apache.hc.core5.http.config.Http1Config h1Config, org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig)` Creates `MinimalHttpAsyncClient` instance optimized for HTTP/1.1 and HTTP/2 message transport without advanced HTTP protocol functionality.
    `static MinimalHttpAsyncClient` | `createMinimal(org.apache.hc.core5.http2.config.H2Config h2Config, org.apache.hc.core5.http.config.Http1Config h1Config, org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig, AsyncClientConnectionManager connmgr)` Creates `MinimalHttpAsyncClient` instance optimized for HTTP/1.1 and HTTP/2 message transport without advanced HTTP protocol functionality.
    `static MinimalHttpAsyncClient` | `createMinimal(org.apache.hc.core5.http2.HttpVersionPolicy versionPolicy, org.apache.hc.core5.http2.config.H2Config h2Config, org.apache.hc.core5.http.config.Http1Config h1Config, org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig)` Deprecated. Use `createMinimal(H2Config, Http1Config, IOReactorConfig)`
    `static MinimalHttpAsyncClient` | `createMinimal(org.apache.hc.core5.http2.HttpVersionPolicy versionPolicy, org.apache.hc.core5.http2.config.H2Config h2Config, org.apache.hc.core5.http.config.Http1Config h1Config, org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig, AsyncClientConnectionManager connmgr)` Deprecated. Use `createMinimal(H2Config, Http1Config, IOReactorConfig, AsyncClientConnectionManager)`
    `static CloseableHttpAsyncClient` | `createSystem()` Creates `CloseableHttpAsyncClient` instance with default configuration and system properties.
    `static HttpAsyncClientBuilder` | `custom()` Creates builder object for construction of custom `CloseableHttpAsyncClient` instances.
    `static H2AsyncClientBuilder` | `customHttp2()` Creates builder object for construction of custom HTTP/2 `CloseableHttpAsyncClient` instances optimized for HTTP/2 protocol and message multiplexing
    `static org.apache.hc.core5.http.nio.HandlerFactory<org.apache.hc.core5.http.nio.AsyncPushConsumer>` | `pushRouter(org.apache.hc.core5.http.impl.routing.RequestRouter<org.apache.hc.core5.function.Supplier<org.apache.hc.core5.http.nio.AsyncPushConsumer>> requestRouter)` Creates `HandlerFactory` backed by a push `RequestRouter`.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Method Detail

    - #### custom

          public static HttpAsyncClientBuilder custom()

      Creates builder object for construction of custom `CloseableHttpAsyncClient` instances.

    - #### createDefault

          public static CloseableHttpAsyncClient createDefault()

      Creates `CloseableHttpAsyncClient` instance with default configuration.

    - #### createSystem

          public static CloseableHttpAsyncClient createSystem()

      Creates `CloseableHttpAsyncClient` instance with default configuration and system properties.

    - #### customHttp2

          public static H2AsyncClientBuilder customHttp2()

      Creates builder object for construction of custom HTTP/2 `CloseableHttpAsyncClient` instances optimized for HTTP/2 protocol and message multiplexing

    - #### createHttp2Default

          public static CloseableHttpAsyncClient createHttp2Default()

      Creates HTTP/2 `CloseableHttpAsyncClient` instance with default configuration optimized for HTTP/2 protocol and message multiplexing.

    - #### createHttp2System

          public static CloseableHttpAsyncClient createHttp2System()

      Creates HTTP/2 `CloseableHttpAsyncClient` instance with default configuration and system properties optimized for HTTP/2 protocol and message multiplexing.

    - #### createMinimal

          @Deprecated
          public static MinimalHttpAsyncClient createMinimal(org.apache.hc.core5.http2.HttpVersionPolicy versionPolicy,
                                                                         org.apache.hc.core5.http2.config.H2Config h2Config,
                                                                         org.apache.hc.core5.http.config.Http1Config h1Config,
                                                                         org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig,
                                                                         AsyncClientConnectionManager connmgr)

      Deprecated. Use `createMinimal(H2Config, Http1Config, IOReactorConfig, AsyncClientConnectionManager)`
      Creates `MinimalHttpAsyncClient` instance optimized for HTTP/1.1 and HTTP/2 message transport without advanced HTTP protocol functionality.

    - #### createMinimal

          public static MinimalHttpAsyncClient createMinimal(org.apache.hc.core5.http2.config.H2Config h2Config,
                                                             org.apache.hc.core5.http.config.Http1Config h1Config,
                                                             org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig,
                                                             AsyncClientConnectionManager connmgr)

      Creates `MinimalHttpAsyncClient` instance optimized for HTTP/1.1 and HTTP/2 message transport without advanced HTTP protocol functionality.
      Since:
        5.2

    - #### createMinimal

          @Deprecated
          public static MinimalHttpAsyncClient createMinimal(org.apache.hc.core5.http2.HttpVersionPolicy versionPolicy,
                                                                         org.apache.hc.core5.http2.config.H2Config h2Config,
                                                                         org.apache.hc.core5.http.config.Http1Config h1Config,
                                                                         org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig)

      Deprecated. Use `createMinimal(H2Config, Http1Config, IOReactorConfig)`
      Creates `MinimalHttpAsyncClient` instance optimized for HTTP/1.1 and HTTP/2 message transport without advanced HTTP protocol functionality.

    - #### createMinimal

          public static MinimalHttpAsyncClient createMinimal(org.apache.hc.core5.http2.config.H2Config h2Config,
                                                             org.apache.hc.core5.http.config.Http1Config h1Config,
                                                             org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig)

      Creates `MinimalHttpAsyncClient` instance optimized for HTTP/1.1 and HTTP/2 message transport without advanced HTTP protocol functionality.

    - #### createMinimal

          public static MinimalHttpAsyncClient createMinimal(org.apache.hc.core5.http2.config.H2Config h2Config,
                                                             org.apache.hc.core5.http.config.Http1Config h1Config)

      Creates `MinimalHttpAsyncClient` instance optimized for HTTP/1.1 and HTTP/2 message transport without advanced HTTP protocol functionality.

    - #### createMinimal

          public static MinimalHttpAsyncClient createMinimal()

      Creates `MinimalHttpAsyncClient` instance optimized for HTTP/1.1 and HTTP/2 message transport without advanced HTTP protocol functionality.

    - #### createMinimal

          public static MinimalHttpAsyncClient createMinimal(AsyncClientConnectionManager connManager)

      Creates `MinimalHttpAsyncClient` instance optimized for HTTP/1.1 and HTTP/2 message transport without advanced HTTP protocol functionality.

    - #### createHttp2Minimal

          public static MinimalH2AsyncClient createHttp2Minimal(org.apache.hc.core5.http2.config.H2Config h2Config,
                                                                org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig,
                                                                DnsResolver dnsResolver,
                                                                org.apache.hc.core5.http.nio.ssl.TlsStrategy tlsStrategy)

      Creates `MinimalH2AsyncClient` instance optimized for HTTP/2 multiplexing message transport without advanced HTTP protocol functionality.

    - #### createHttp2Minimal

          public static MinimalH2AsyncClient createHttp2Minimal(org.apache.hc.core5.http2.config.H2Config h2Config,
                                                                org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig,
                                                                org.apache.hc.core5.http.nio.ssl.TlsStrategy tlsStrategy)

      Creates `MinimalH2AsyncClient` instance optimized for HTTP/2 multiplexing message transport without advanced HTTP protocol functionality.

    - #### createHttp2Minimal

          public static MinimalH2AsyncClient createHttp2Minimal(org.apache.hc.core5.http2.config.H2Config h2Config,
                                                                org.apache.hc.core5.reactor.IOReactorConfig ioReactorConfig)

      Creates `MinimalH2AsyncClient` instance optimized for HTTP/2 multiplexing message transport without advanced HTTP protocol functionality.

    - #### createHttp2Minimal

          public static MinimalH2AsyncClient createHttp2Minimal(org.apache.hc.core5.http2.config.H2Config h2Config)

      Creates `MinimalH2AsyncClient` instance optimized for HTTP/2 multiplexing message transport without advanced HTTP protocol functionality.

    - #### createHttp2Minimal

          public static MinimalH2AsyncClient createHttp2Minimal()

      Creates `MinimalH2AsyncClient` instance optimized for HTTP/2 multiplexing message transport without advanced HTTP protocol functionality.

    - #### pushRouter

          public static org.apache.hc.core5.http.nio.HandlerFactory<org.apache.hc.core5.http.nio.AsyncPushConsumer> pushRouter(org.apache.hc.core5.http.impl.routing.RequestRouter<org.apache.hc.core5.function.Supplier<org.apache.hc.core5.http.nio.AsyncPushConsumer>> requestRouter)

      Creates `HandlerFactory` backed by a push `RequestRouter`.
      Since:
        5.4

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