Package org.aksw.commons.io.nio

Class ChannelUtils

java.lang.Object

org.aksw.commons.io.nio.ChannelUtils

public class ChannelUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
ChannelUtils()

Method Summary

Modifier and Type	Method	Description
static int	read(SeekableByteChannel src, ByteBuffer dst, long position)
static int	readFully(ReadableByteChannel src, ByteBuffer dst)	Method akin to Apache IOUtils.readFully without sanity checking
static int	readFully(SeekableByteChannel src, ByteBuffer dst, long srcPosition)	Read fully from a src channel at position srcPosition into a dst buffer.
static long	readScattered(ReadableByteChannel src, ByteBuffer[] dsts, int offset, int length)
static long	transferFrom(SeekableByteChannel dst, ReadableByteChannel src, long position, long count, int blockSize)
static long	transferTo(SeekableByteChannel src, long position, long count, WritableByteChannel target, int blockSize)
static int	write(SeekableByteChannel dst, ByteBuffer src, long position)
static int	writeFully(WritableByteChannel tgt, ByteBuffer buffer)
static long	writeScattered(WritableByteChannel dst, ByteBuffer[] srcs, int offset, int length)

Methods inherited from class java.lang.Object

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

Constructor Details

ChannelUtils

public ChannelUtils()

Method Details

readFully

public static int readFully(SeekableByteChannel src,
 ByteBuffer dst,
 long srcPosition)
                     throws IOException

Read fully from a src channel at position srcPosition into a dst buffer. After this method returns src.position is reset to its original value

Throws:

IOException

readFully

public static int readFully(ReadableByteChannel src,
 ByteBuffer dst)
                     throws IOException

Method akin to Apache IOUtils.readFully without sanity checking

Throws:

IOException

writeFully

public static int writeFully(WritableByteChannel tgt,
 ByteBuffer buffer)
                      throws IOException

Throws:

IOException

read

public static int read(SeekableByteChannel src,
 ByteBuffer dst,
 long position)
                throws IOException

Throws:

IOException

write

public static int write(SeekableByteChannel dst,
 ByteBuffer src,
 long position)
                 throws IOException

Throws:

IOException

transferTo

public static long transferTo(SeekableByteChannel src,
 long position,
 long count,
 WritableByteChannel target,
 int blockSize)
                       throws IOException

Throws:

IOException

transferFrom

public static long transferFrom(SeekableByteChannel dst,
 ReadableByteChannel src,
 long position,
 long count,
 int blockSize)
                         throws IOException

Throws:

IOException

readScattered

public static long readScattered(ReadableByteChannel src,
 ByteBuffer[] dsts,
 int offset,
 int length)
                          throws IOException

Throws:

IOException

writeScattered

public static long writeScattered(WritableByteChannel dst,
 ByteBuffer[] srcs,
 int offset,
 int length)
                           throws IOException

Throws:

IOException