Module org.tentackle.update

Package org.tentackle.update

Class CallbackReadableByteChannel

java.lang.Object

org.tentackle.update.CallbackReadableByteChannel

All Implemented Interfaces:

Closeable, AutoCloseable, Channel, ReadableByteChannel

public class CallbackReadableByteChannel
extends Object
implements ReadableByteChannel

A ReadableByteChannel with an optional callback lambda to show the progress.

Constructor Summary

Constructors

Constructor	Description
CallbackReadableByteChannel(ReadableByteChannel channel, long expectedSize, Consumer<Double> progressConsumer)	Creates a callback read channel.

Method Summary

Modifier and Type	Method	Description
void	close()
int	getSize()	Gets the number of bytes read so far.
boolean	isOpen()
int	read(ByteBuffer dst)

Methods inherited from class java.lang.Object

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

Constructor Details

CallbackReadableByteChannel

public CallbackReadableByteChannel(ReadableByteChannel channel,
 long expectedSize,
 Consumer<Double> progressConsumer)

Creates a callback read channel.

Parameters:

channel - the channel to be wrapped

expectedSize - the expected size, negative if indefinite

progressConsumer - the optional consumer receiving the progress from 0.0 to 1.0 (negative if indefinite), null if none

Method Details

read

public int read(ByteBuffer dst)
         throws IOException

Specified by:

read in interface ReadableByteChannel

Throws:

IOException

isOpen

public boolean isOpen()

Specified by:

isOpen in interface Channel

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Channel

Specified by:

close in interface Closeable

Throws:

IOException

getSize

public int getSize()

Gets the number of bytes read so far.

Returns:

the size