loci.poi.poifs.storage

Class SmallBlockTableWriter

java.lang.Object

loci.poi.poifs.storage.SmallBlockTableWriter

All Implemented Interfaces:

BATManaged, BlockWritable

public class SmallBlockTableWriter
extends Object
implements BlockWritable, BATManaged

This class implements storage for writing the small blocks used by small documents.

Author:

Marc Johnson (mjohnson at apache dot org)

Field Summary

Fields

Modifier and Type	Field and Description
private int	_big_block_count
private RootProperty	_root
private BlockAllocationTableWriter	_sbat
private List	_small_blocks

Constructor Summary

Constructors

Constructor and Description
SmallBlockTableWriter(List documents, RootProperty root) Creates new SmallBlockTable

Method Summary

Methods

Modifier and Type	Method and Description
int	countBlocks() Return the number of BigBlock's this instance uses
BlockAllocationTableWriter	getSBAT() Get the SBAT
int	getSBATBlockCount() Get the number of SBAT blocks
void	setStartBlock(int start_block) Set the start block for this instance
void	writeBlocks(OutputStream stream) Write the storage to an OutputStream

Methods inherited from class java.lang.Object

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

Field Detail

_sbat

private BlockAllocationTableWriter _sbat

_small_blocks

private List _small_blocks

_big_block_count

private int _big_block_count

_root

private RootProperty _root

Constructor Detail

SmallBlockTableWriter

public SmallBlockTableWriter(List documents,
                     RootProperty root)

Creates new SmallBlockTable

Parameters:

documents - a List of POIFSDocument instances

root - the Filesystem's root property

Method Detail

getSBATBlockCount

public int getSBATBlockCount()

Get the number of SBAT blocks

Returns:

number of SBAT big blocks

getSBAT

public BlockAllocationTableWriter getSBAT()

Get the SBAT

Returns:

the Small Block Allocation Table

countBlocks

public int countBlocks()

Return the number of BigBlock's this instance uses

Specified by:

countBlocks in interface BATManaged

Returns:

count of BigBlock instances

setStartBlock

public void setStartBlock(int start_block)

Set the start block for this instance

Specified by:

setStartBlock in interface BATManaged

Parameters:

start_block -

writeBlocks

public void writeBlocks(OutputStream stream)
                 throws IOException

Write the storage to an OutputStream

Specified by:

writeBlocks in interface BlockWritable

Parameters:

stream - the OutputStream to which the stored data should be written

Throws:

IOException - on problems writing to the specified stream