Package org.aksw.commons.io.util

Class FileChannelUtils

java.lang.Object

org.aksw.commons.io.util.FileChannelUtils

public class FileChannelUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
FileChannelUtils()

Method Summary

Modifier and Type	Method	Description
static long	transferFromFully(FileChannel destChannel, FileChannel srcChannel, long destOffset, long length, Consumer<Long> contribCallback)	Repeatedly invoke FileChannel.transferFrom(java.nio.channels.ReadableByteChannel, long, long) until length bytes were transferred.
static long	transferFromFully(FileChannel destChannel, Path srcPath, long targetOffset, long length, Consumer<Long> contribCallback)	Invoke transferFrom on dest it with the given arguments; opens a file channel on src
static long	transferFromFully(FileChannel dest, PathTransfer pathTransfer, Consumer<Long> contribCallback)	Invoke transferFrom on dest with arguments based on pathTransfer

Methods inherited from class java.lang.Object

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

Constructor Details

FileChannelUtils

public FileChannelUtils()

Method Details

transferFromFully

public static long transferFromFully(FileChannel dest,
 PathTransfer pathTransfer,
 Consumer<Long> contribCallback)
                              throws IOException

Invoke transferFrom on dest with arguments based on pathTransfer

Throws:

IOException

transferFromFully

public static long transferFromFully(FileChannel destChannel,
 Path srcPath,
 long targetOffset,
 long length,
 Consumer<Long> contribCallback)
                              throws IOException

Invoke transferFrom on dest it with the given arguments; opens a file channel on src

Throws:

IOException

transferFromFully

public static long transferFromFully(FileChannel destChannel,
 FileChannel srcChannel,
 long destOffset,
 long length,
 Consumer<Long> contribCallback)
                              throws IOException

Repeatedly invoke FileChannel.transferFrom(java.nio.channels.ReadableByteChannel, long, long) until length bytes were transferred.

Parameters:

destChannel - The channel to write to

srcChannel - The channel to read from

destOffset - The offset in the the destChannel where to add data from srcChannel

length - The number of bytes to transfer from srcChannel to destChannel

Returns:

The actual number of bytes transferred

Throws:

IOException