rossi.fstools.io
Class BlockIO

java.lang.Object
  rossi.fstools.io.BlockIO

All Implemented Interfaces:

BlockReader

public class BlockIO

extends java.lang.Object

implements BlockReader

Field Summary

protected int	blockSize
protected BlockCache	cache
protected java.io.RandomAccessFile	file
protected long	offset

Constructor Summary

BlockIO(java.io.RandomAccessFile f, int blockSize)

BlockIO(java.io.RandomAccessFile f, int blockSize, long offset)

Method Summary

void	close() Close this file
byte[]	getBlock(int blkno) Reads a block
int	getBlockSize() Gets the block size
void	setBlockSize(int aBlockSize) Sets the block size

Methods inherited from class java.lang.Object

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

Field Detail

file

protected java.io.RandomAccessFile file

blockSize

protected int blockSize

cache

protected BlockCache cache

offset

protected long offset

Constructor Detail

BlockIO

public BlockIO(java.io.RandomAccessFile f,
               int blockSize)

BlockIO

public BlockIO(java.io.RandomAccessFile f,
               int blockSize,
               long offset)

Method Detail

getBlockSize

public int getBlockSize()

Description copied from interface: BlockReader

Gets the block size

Specified by:

getBlockSize in interface BlockReader

setBlockSize

public void setBlockSize(int aBlockSize)

Description copied from interface: BlockReader

Sets the block size

Specified by:

setBlockSize in interface BlockReader

getBlock

public byte[] getBlock(int blkno)
                throws java.io.IOException

Description copied from interface: BlockReader

Reads a block

Specified by:

getBlock in interface BlockReader

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Close this file

Specified by:

close in interface BlockReader

Throws:

java.io.IOException