org.mule.extension.s3.internal.connection.publisher

Class InputStreamPublisher

java.lang.Object

org.mule.extension.s3.internal.connection.publisher.InputStreamPublisher

All Implemented Interfaces:

org.reactivestreams.Publisher<ByteBuffer>

Direct Known Subclasses:

AsyncInputStreamPublisher

public class InputStreamPublisher
extends Object
implements org.reactivestreams.Publisher<ByteBuffer>

Provides a ByteBuffer publisher backed by an existing input stream. This publisher should only have a single subscriber as we cannot guarantee that the stream is resettable.

Constructor Summary

Constructors

Constructor and Description
InputStreamPublisher(InputStream stream) Input stream backed publisher with a default buffer size of 8MB
InputStreamPublisher(InputStream stream, int bufferSize) Input stream backed publisher with a custom buffer size in bytes

Method Summary

Modifier and Type	Method and Description
protected int	readNext(InputStream stream, ByteBuffer buffer)
void	subscribe(org.reactivestreams.Subscriber<? super ByteBuffer> s) Creates a new subscription for the subscriber.

Methods inherited from class java.lang.Object

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

Constructor Detail

InputStreamPublisher

public InputStreamPublisher(InputStream stream)

Input stream backed publisher with a default buffer size of 8MB

Parameters:

stream - - the original stream that will be read.

InputStreamPublisher

public InputStreamPublisher(InputStream stream,
                            int bufferSize)

Input stream backed publisher with a custom buffer size in bytes

Parameters:

stream - - the original stream that will be read

bufferSize - - size of the intermediate buffer in bytes

Method Detail

subscribe

public void subscribe(org.reactivestreams.Subscriber<? super ByteBuffer> s)

Creates a new subscription for the subscriber. Only one subscriber is allowed to to subscribe to this publisher, other subscribers should be chained using wrappers to make sure every subscriber gets all the streamed data.

Specified by:

subscribe in interface org.reactivestreams.Publisher<ByteBuffer>

Parameters:

s - - subscriber instance

readNext

protected int readNext(InputStream stream,
                       ByteBuffer buffer)