Module io.helidon.media.common

Package io.helidon.media.common

Class DataChunkInputStream

java.lang.Object

java.io.InputStream

io.helidon.media.common.DataChunkInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class DataChunkInputStream
extends InputStream

Provides a bridge between a reactive Flow.Publisher in Helidon and an InputStream in Jersey. It subscribes to a Helidon publisher of data chunks and makes the data available to Jersey using the blocking InputStream API. This implementation is documented here /docs-internal/datachunkinputstream.md.

Constructor Summary

Constructors

Constructor	Description
DataChunkInputStream(Flow.Publisher<DataChunk> originalPublisher)	Stores publisher for later subscription.
DataChunkInputStream(Flow.Publisher<DataChunk> originalPublisher, boolean validate)	Stores publisher for later subscription and sets if executing thread should be validated.

Method Summary

Modifier and Type	Method	Description
void	close()
int	read()
int	read(byte[] buf, int off, int len)

Methods inherited from class java.io.InputStream

available, mark, markSupported, nullInputStream, read, readAllBytes, readNBytes, readNBytes, reset, skip, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

DataChunkInputStream

public DataChunkInputStream(Flow.Publisher<DataChunk> originalPublisher)

Stores publisher for later subscription. Disables executing thread validation.

Parameters:

originalPublisher - The original publisher.

DataChunkInputStream

public DataChunkInputStream(Flow.Publisher<DataChunk> originalPublisher,
 boolean validate)

Stores publisher for later subscription and sets if executing thread should be validated. If validation is enabled, it asserts if the execution thread is the same as the thread which created this instance and throws an IllegalStateException if it does.

Parameters:

originalPublisher - The original publisher.

validate - executing thread validation

Method Details

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] buf,
 int off,
 int len)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException