net.sf.joafip.file.service

Class AbstractRandomAccessFile

java.lang.Object

net.sf.joafip.file.service.AbstractRandomAccessFile

All Implemented Interfaces:

IRandomAccessFile

Direct Known Subclasses:

RandomAccessFileDirect, RandomAccessFileDirectNio, RandomAccessFileReadWriteCache

@NotStorableClass
public abstract class AbstractRandomAccessFile
extends Object
implements IRandomAccessFile

Author:

luc peuvrier

Field Summary

Fields

Modifier and Type	Field and Description
protected static HelperFileUtil	HELPER_FILE_UTIL
protected JoafipLogger	logger
protected boolean	opened true if file opened

Constructor Summary

Constructors

Constructor and Description
AbstractRandomAccessFile()

Method Summary

Methods

Modifier and Type	Method and Description
protected int	bitsForValue(int value)
void	close() close the file
protected abstract void	closeImpl()
long	currentPositionInFile()
protected abstract long	currentPositionInFileImpl()
void	deleteIfExists() delete file if exist
protected abstract void	deleteIfExistsImpl()
void	deleteIfExistsRenaming()
protected abstract void	deleteIfExistsRenamingImpl()
void	flush() flush all modification on disk
protected abstract void	flushImpl()
boolean	isClose()
boolean	isOpen()
long	length()
protected abstract long	lengthImpl()
void	open() open the file
protected abstract void	openImpl()
int	read(byte[] data)
int	read(byte[] data, int offset, int length)
protected abstract int	readImpl(byte[] data)
protected abstract int	readImpl(byte[] data, int offset, int length)
void	seek(long positionInFile)
protected abstract void	seekImpl(long positionInFile)
void	setLength(long newSize)
protected abstract void	setLengthImpl(long newSize)
void	write(byte[] data)
void	write(byte[] data, int length)
void	write(byte[] data, int offset, int length)
protected abstract void	writeImpl(byte[] data)
protected abstract void	writeImpl(byte[] data, int length)
protected abstract void	writeImpl(byte[] data, int offset, int length)

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.joafip.file.service.IRandomAccessFile

copy, differs, getFile

Field Detail

logger

protected final transient JoafipLogger logger

HELPER_FILE_UTIL

protected static final HelperFileUtil HELPER_FILE_UTIL

opened

protected boolean opened

true if file opened

Constructor Detail

AbstractRandomAccessFile

public AbstractRandomAccessFile()

Method Detail

open

public void open()
          throws FileIOException

Description copied from interface: IRandomAccessFile

open the file

Specified by:

open in interface IRandomAccessFile

Throws:

FileIOException

openImpl

protected abstract void openImpl()
                          throws FileIOException

Throws:

FileIOException

close

public void close()
           throws FileIOException

Description copied from interface: IRandomAccessFile

close the file

Specified by:

close in interface IRandomAccessFile

Throws:

FileIOException

closeImpl

protected abstract void closeImpl()
                           throws FileIOException

Throws:

FileIOException

isClose

public boolean isClose()

Specified by:

isClose in interface IRandomAccessFile

isOpen

public boolean isOpen()

Specified by:

isOpen in interface IRandomAccessFile

flush

public void flush()
           throws FileIOException

Description copied from interface: IRandomAccessFile

flush all modification on disk

Specified by:

flush in interface IRandomAccessFile

Throws:

FileIOException

flushImpl

protected abstract void flushImpl()
                           throws FileIOException

Throws:

FileIOException

seek

public void seek(long positionInFile)
          throws FileIOException

Specified by:

seek in interface IRandomAccessFile

Throws:

FileIOException

seekImpl

protected abstract void seekImpl(long positionInFile)
                          throws FileIOException

Throws:

FileIOException

currentPositionInFile

public long currentPositionInFile()
                           throws FileIOException

Specified by:

currentPositionInFile in interface IRandomAccessFile

Throws:

FileIOException

currentPositionInFileImpl

protected abstract long currentPositionInFileImpl()
                                           throws FileIOException

Throws:

FileIOException

read

public int read(byte[] data)
         throws FileIOException

Specified by:

read in interface IRandomAccessFile

Throws:

FileIOException

readImpl

protected abstract int readImpl(byte[] data)
                         throws FileIOException

Throws:

FileIOException

read

public int read(byte[] data,
       int offset,
       int length)
         throws FileIOException

Specified by:

read in interface IRandomAccessFile

Throws:

FileIOException

readImpl

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

Throws:

FileIOException

write

public void write(byte[] data)
           throws FileIOException

Specified by:

write in interface IRandomAccessFile

Throws:

FileIOException

writeImpl

protected abstract void writeImpl(byte[] data)
                           throws FileIOException

Throws:

FileIOException

write

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

Specified by:

write in interface IRandomAccessFile

Throws:

FileIOException

writeImpl

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

Throws:

FileIOException

write

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

Specified by:

write in interface IRandomAccessFile

Throws:

FileIOException

writeImpl

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

Throws:

FileIOException

length

public long length()
            throws FileIOException

Specified by:

length in interface IRandomAccessFile

Throws:

FileIOException

lengthImpl

protected abstract long lengthImpl()
                            throws FileIOException

Throws:

FileIOException

setLength

public void setLength(long newSize)
               throws FileIOException

Specified by:

setLength in interface IRandomAccessFile

Throws:

FileIOException

setLengthImpl

protected abstract void setLengthImpl(long newSize)
                               throws FileIOException

Throws:

FileIOException

deleteIfExists

public void deleteIfExists()
                    throws FileIOException

Description copied from interface: IRandomAccessFile

delete file if exist

Specified by:

deleteIfExists in interface IRandomAccessFile

Throws:

FileIOException

deleteIfExistsImpl

protected abstract void deleteIfExistsImpl()
                                    throws FileIOException

Throws:

FileIOException

deleteIfExistsRenaming

public void deleteIfExistsRenaming()
                            throws FileIOException

Specified by:

deleteIfExistsRenaming in interface IRandomAccessFile

Throws:

FileIOException

deleteIfExistsRenamingImpl

protected abstract void deleteIfExistsRenamingImpl()
                                            throws FileIOException

Throws:

FileIOException

bitsForValue

protected int bitsForValue(int value)
                    throws FileIOException

Throws:

FileIOException