Class BasicRequestConsumer<T>

java.lang.Object

org.apache.hc.core5.http.nio.support.BasicRequestConsumer<T>

Type Parameters:

T - The message body type.

All Implemented Interfaces:

AsyncDataConsumer, AsyncRequestConsumer<Message<HttpRequest, T>>, ResourceHolder

public class BasicRequestConsumer<T>
extends Object
implements AsyncRequestConsumer<Message<HttpRequest, T>>

Basic implementation of AsyncRequestConsumer that represents the request message as a Message and relies on a AsyncEntityConsumer to process request entity stream.

Since:

5.0

Field Summary

Fields

Modifier and Type	Field	Description
private final AtomicReference<AsyncEntityConsumer<T>>	dataConsumerRef
private final Supplier<AsyncEntityConsumer<T>>	dataConsumerSupplier

Constructor Summary

Constructors

Constructor	Description
BasicRequestConsumer(Supplier<AsyncEntityConsumer<T>> dataConsumerSupplier)
BasicRequestConsumer(AsyncEntityConsumer<T> dataConsumer)

Method Summary

Modifier and Type	Method	Description
void	consume(ByteBuffer src)	Triggered to pass incoming data to the data consumer.
void	consumeRequest(HttpRequest request, EntityDetails entityDetails, HttpContext httpContext, FutureCallback<Message<HttpRequest, T>> resultCallback)	Triggered to signal receipt of a request message head.
void	failed(Exception cause)	Triggered to signal a failure in data processing.
void	releaseResources()
void	streamEnd(List<? extends Header> trailers)	Triggered to signal termination of the data stream.
void	updateCapacity(CapacityChannel capacityChannel)	Triggered to signal ability of the underlying data stream to receive data capacity update.

Methods inherited from class Object

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

Field Details

dataConsumerSupplier

private final Supplier<AsyncEntityConsumer<T>> dataConsumerSupplier

dataConsumerRef

private final AtomicReference<AsyncEntityConsumer<T>> dataConsumerRef

Constructor Details

BasicRequestConsumer

public BasicRequestConsumer(Supplier<AsyncEntityConsumer<T>> dataConsumerSupplier)

BasicRequestConsumer

public BasicRequestConsumer(AsyncEntityConsumer<T> dataConsumer)

Method Details

consumeRequest

public void consumeRequest(HttpRequest request,
 EntityDetails entityDetails,
 HttpContext httpContext,
 FutureCallback<Message<HttpRequest, T>> resultCallback)
                    throws HttpException,
IOException

Description copied from interface: AsyncRequestConsumer

Triggered to signal receipt of a request message head.

Specified by:

consumeRequest in interface AsyncRequestConsumer<T>

Parameters:

request - the request message head.

entityDetails - the request entity details or null if the request does not enclose an entity.

httpContext - the actual execution context.

resultCallback - the result callback called when request processing has been completed successfully or unsuccessfully.

Throws:

HttpException - in case of an HTTP protocol violation.

IOException - in case of an I/O error.

updateCapacity

public void updateCapacity(CapacityChannel capacityChannel)
                    throws IOException

Description copied from interface: AsyncDataConsumer

Triggered to signal ability of the underlying data stream to receive data capacity update. The data consumer can choose to write data immediately inside the call or asynchronously at some later point.

Specified by:

updateCapacity in interface AsyncDataConsumer

Parameters:

capacityChannel - the channel for capacity updates.

Throws:

IOException - in case of an I/O error.

consume

public void consume(ByteBuffer src)
             throws IOException

Description copied from interface: AsyncDataConsumer

Triggered to pass incoming data to the data consumer. The consumer must consume the entire content of the data buffer. The consumer must stop incrementing its capacity on the capacity channel if it is unable to accept more data. Once the data consumer has handled accumulated data or allocated more intermediate storage it can update its capacity information on the capacity channel.

Specified by:

consume in interface AsyncDataConsumer

Parameters:

src - data source.

Throws:

IOException - in case of an I/O error.

streamEnd

public void streamEnd(List<? extends Header> trailers)
               throws HttpException,
IOException

Description copied from interface: AsyncDataConsumer

Triggered to signal termination of the data stream.

Specified by:

streamEnd in interface AsyncDataConsumer

Parameters:

trailers - data stream trailers.

Throws:

HttpException - in case of an HTTP protocol violation.

IOException - in case of an I/O error.

failed

public void failed(Exception cause)

Description copied from interface: AsyncRequestConsumer

Triggered to signal a failure in data processing.

Specified by:

failed in interface AsyncRequestConsumer<T>

Parameters:

cause - the cause of the failure.

releaseResources

public void releaseResources()

Specified by:

releaseResources in interface ResourceHolder