net.sf.joafip.file.service

Class RandomAccessFileDirectNio

java.lang.Object

net.sf.joafip.file.service.AbstractRandomAccessFile

net.sf.joafip.file.service.RandomAccessFileDirectNio

All Implemented Interfaces:

IRandomAccessFile

Direct Known Subclasses:

RandomAccessFileDirectMapped

@NotStorableClass
public class RandomAccessFileDirectNio
extends AbstractRandomAccessFile

direct file access using 'nio'

Author:

luc peuvrier

Field Summary

Fields

Modifier and Type	Field and Description
protected long	currentPositionInFile current position in file
protected FileChannel	fileChannel
protected RandomAccessFile	randomAccessFile

Fields inherited from class net.sf.joafip.file.service.AbstractRandomAccessFile

HELPER_FILE_UTIL, logger, opened

Constructor Summary

Constructors

Constructor and Description
RandomAccessFileDirectNio(File file, int maxRetry, int retryMsDelay)

Method Summary

Methods

Modifier and Type	Method and Description
void	closeImpl()
void	copy(String destinationFilePath) make copy of this file in other file
protected long	currentPositionInFileImpl()
void	deleteIfExistsImpl()
void	deleteIfExistsRenamingImpl()
boolean	differs(String fileName, SortedMap<Integer,Integer> diffMap)
void	flushImpl()
File	getFile()
long	lengthImpl()
void	openImpl()
int	readImpl(byte[] data)
protected int	readImpl(byte[] data, int offset, int length)
void	seekImpl(long positionInFile)
void	setLengthImpl(long newSize)
void	writeImpl(byte[] data)
void	writeImpl(byte[] data, int length)
protected void	writeImpl(byte[] data, int offset, int length)

Methods inherited from class net.sf.joafip.file.service.AbstractRandomAccessFile

bitsForValue, close, currentPositionInFile, deleteIfExists, deleteIfExistsRenaming, flush, isClose, isOpen, length, open, read, read, seek, setLength, write, write, write

Methods inherited from class java.lang.Object

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

Field Detail

currentPositionInFile

protected long currentPositionInFile

current position in file

randomAccessFile

protected RandomAccessFile randomAccessFile

fileChannel

protected FileChannel fileChannel

Constructor Detail

RandomAccessFileDirectNio

public RandomAccessFileDirectNio(File file,
                         int maxRetry,
                         int retryMsDelay)

Method Detail

getFile

public File getFile()

openImpl

public void openImpl()
              throws FileIOException

Specified by:

openImpl in class AbstractRandomAccessFile

Throws:

FileIOException

closeImpl

public void closeImpl()
               throws FileIOException

Specified by:

closeImpl in class AbstractRandomAccessFile

Throws:

FileIOException

flushImpl

public void flushImpl()
               throws FileIOException

Specified by:

flushImpl in class AbstractRandomAccessFile

Throws:

FileIOException

deleteIfExistsImpl

public void deleteIfExistsImpl()
                        throws FileIOException

Specified by:

deleteIfExistsImpl in class AbstractRandomAccessFile

Throws:

FileIOException

deleteIfExistsRenamingImpl

public void deleteIfExistsRenamingImpl()
                                throws FileIOException

Specified by:

deleteIfExistsRenamingImpl in class AbstractRandomAccessFile

Throws:

FileIOException

lengthImpl

public long lengthImpl()
                throws FileIOException

Specified by:

lengthImpl in class AbstractRandomAccessFile

Throws:

FileIOException

readImpl

public int readImpl(byte[] data)
             throws FileIOException

Specified by:

readImpl in class AbstractRandomAccessFile

Throws:

FileIOException

readImpl

protected int readImpl(byte[] data,
           int offset,
           int length)
                throws FileIOException

Specified by:

readImpl in class AbstractRandomAccessFile

Throws:

FileIOException

seekImpl

public void seekImpl(long positionInFile)
              throws FileIOException

Specified by:

seekImpl in class AbstractRandomAccessFile

Throws:

FileIOException

currentPositionInFileImpl

protected long currentPositionInFileImpl()
                                  throws FileIOException

Specified by:

currentPositionInFileImpl in class AbstractRandomAccessFile

Throws:

FileIOException

setLengthImpl

public void setLengthImpl(long newSize)
                   throws FileIOException

Specified by:

setLengthImpl in class AbstractRandomAccessFile

Throws:

FileIOException

writeImpl

public void writeImpl(byte[] data)
               throws FileIOException

Specified by:

writeImpl in class AbstractRandomAccessFile

Throws:

FileIOException

writeImpl

public void writeImpl(byte[] data,
             int length)
               throws FileIOException

Specified by:

writeImpl in class AbstractRandomAccessFile

Throws:

FileIOException

writeImpl

protected void writeImpl(byte[] data,
             int offset,
             int length)
                  throws FileIOException

Specified by:

writeImpl in class AbstractRandomAccessFile

Throws:

FileIOException

copy

public void copy(String destinationFilePath)
          throws FileIOException

Description copied from interface: IRandomAccessFile

make copy of this file in other file

Parameters:

destinationFilePath - the copy file name

Throws:

FileIOException

differs

public boolean differs(String fileName,
              SortedMap<Integer,Integer> diffMap)
                throws FileIOException

Returns:

true if files differs

Throws:

FileIOException