## Uses of Interface
org.apache.hc.core5.http.nio.AsyncDataProducer

- Packages that use AsyncDataProducer
  Package | Description
  --- | ---
  org.apache.hc.core5.http.nio | Core HTTP transport APIs based on the asynchronous, event driven I/O model.
  org.apache.hc.core5.http.nio.entity | HTTP message entity APIs based on the asynchronous (non-blocking) I/O model.
  org.apache.hc.core5.http.nio.support | Support classes for the asynchronous I/O model.
  org.apache.hc.core5.http.nio.support.classic | Support classes for the asynchronous I/O model that emulate behavior of the classic (blocking) I/O model.
  org.apache.hc.core5.reactive |

- - ### Uses of AsyncDataProducer in org.apache.hc.core5.http.nio

    Subinterfaces of AsyncDataProducer in org.apache.hc.core5.http.nio
    Modifier and Type | Interface and Description
    --- | ---
    `interface` | `AsyncClientExchangeHandler` Abstract asynchronous client side message exchange handler that acts as a request producer and a response consumer.
    `interface` | `AsyncDataExchangeHandler` Abstract asynchronous data exchange handler that acts as a data consumer and a data producer.
    `interface` | `AsyncEntityProducer` Abstract asynchronous message entity producer.
    `interface` | `AsyncPushProducer` Abstract asynchronous push response producer.
    `interface` | `AsyncRequestProducer` Abstract asynchronous request producer.
    `interface` | `AsyncResponseProducer` Abstract asynchronous response producer.
    `interface` | `AsyncServerExchangeHandler` Abstract asynchronous server side message exchange handler that acts as a request consumer and a response producer.

  - ### Uses of AsyncDataProducer in org.apache.hc.core5.http.nio.entity

    Classes in org.apache.hc.core5.http.nio.entity that implement AsyncDataProducer
    Modifier and Type | Class and Description
    --- | ---
    `class` | `AbstractBinAsyncEntityProducer` Abstract binary entity content producer.
    `class` | `AbstractCharAsyncEntityProducer` Abstract text entity content producer.
    `class` | `AsyncEntityProducerWrapper` Base class for wrapping entity producers that delegates all calls to the wrapped producer.
    `class` | `BasicAsyncEntityProducer` Basic `AsyncEntityProducer` implementation that generates data stream from content of a byte array.
    `class` | `DigestingEntityProducer` `AsyncEntityProducer` decorator that calculates a digest hash from the data stream content and appends its value to the list of trailers.
    `class` | `FileEntityProducer` `AsyncEntityProducer` implementation that generates data stream from content of a `File`.
    `class` | `StringAsyncEntityProducer` Basic `AsyncDataProducer` implementation that generates data stream from content of a string.

  - ### Uses of AsyncDataProducer in org.apache.hc.core5.http.nio.support

    Classes in org.apache.hc.core5.http.nio.support that implement AsyncDataProducer
    Modifier and Type | Class and Description
    --- | ---
    `class` | `AbstractServerExchangeHandler<T>` Abstract server side message exchange handler.
    `class` | `BasicAsyncServerExpectationDecorator` `AsyncServerExchangeHandler` implementation that adds support for the Expect-Continue handshake to an existing `AsyncServerExchangeHandler`.
    `class` | `BasicClientExchangeHandler<T>` Basic `AsyncClientExchangeHandler` implementation that makes use of `AsyncRequestProducer` to generate request message and `AsyncResponseConsumer` to process the response message returned by the server.
    `class` | `BasicPushProducer` Basic implementation of `AsyncPushProducer` that produces one fixed response and relies on a `AsyncEntityProducer` to generate response entity stream.
    `class` | `BasicRequestProducer` Basic implementation of `AsyncRequestProducer` that produces one fixed request and relies on a `AsyncEntityProducer` to generate request entity stream.
    `class` | `BasicResponseProducer` Basic implementation of `AsyncResponseProducer` that produces one fixed response and relies on a `AsyncEntityProducer` to generate response entity stream.
    `class` | `BasicServerExchangeHandler<T>` Basic `AbstractServerExchangeHandler` implementation that delegates request processing and response generation to a `AsyncServerRequestHandler`.
    `class` | `ImmediateResponseExchangeHandler` `AsyncServerExchangeHandler` implementation that immediately responds with a predefined response generated by a `AsyncResponseProducer` and ignores any entity content enclosed in the request message.

  - ### Uses of AsyncDataProducer in org.apache.hc.core5.http.nio.support.classic

    Classes in org.apache.hc.core5.http.nio.support.classic that implement AsyncDataProducer
    Modifier and Type | Class and Description
    --- | ---
    `class` | `AbstractClassicEntityProducer` `AsyncEntityProducer` implementation that acts as a compatibility layer for classic `OutputStream` based interfaces.
    `class` | `AbstractClassicServerExchangeHandler` `AsyncServerExchangeHandler` implementation that acts as a compatibility layer for classic `InputStream` / `OutputStream` based interfaces.

  - ### Uses of AsyncDataProducer in org.apache.hc.core5.reactive

    Classes in org.apache.hc.core5.reactive that implement AsyncDataProducer
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ReactiveEntityProducer` An `AsyncEntityProducer` that subscribes to a `Publisher` instance, as defined by the Reactive Streams specification.
    `class` | `ReactiveServerExchangeHandler` An implementation of `AsyncServerExchangeHandler` designed to work with reactive streams.

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