Top Description Fields
org.apache.poi.poifs.common

public Interface POIFSConstants


A repository for constants shared by POI classes.

Field Summary

Modifier and TypeField and Description
public static final int
BIG_BLOCK_MINIMUM_DOCUMENT_SIZE

The minimum size of a document before it's stored using Big Blocks (normal streams).

public static final int
DIFAT_SECTOR_BLOCK

Indicates the sector holds a DIFAT block (0xFFFFFFFC)

public static final int
END_OF_CHAIN

Indicates the sector is the end of a chain (0xFFFFFFFE)

public static final int
FAT_SECTOR_BLOCK

Indicates the sector holds a FAT block (0xFFFFFFFD)

public static final int
LARGER_BIG_BLOCK_SIZE

Some use 4096 bytes

public static final POIFSBigBlockSize
public static final int
LARGEST_REGULAR_SECTOR_NUMBER

The highest sector number you're allowed, 0xFFFFFFFA

public static final int
PROPERTY_SIZE

How big a single property is

public static final int
SMALL_BLOCK_SIZE

How big a block in the small block stream is.

public static final int
SMALLER_BIG_BLOCK_SIZE

Most files use 512 bytes as their big block size

public static final POIFSBigBlockSize
public static final int
UNUSED_BLOCK

Indicates the sector is not used (0xFFFFFFFF)

Field Detail

BIG_BLOCK_MINIMUM_DOCUMENT_SIZEback to summary
public static final int BIG_BLOCK_MINIMUM_DOCUMENT_SIZE

The minimum size of a document before it's stored using Big Blocks (normal streams). Smaller documents go in the Mini Stream (SBAT / Small Blocks)

DIFAT_SECTOR_BLOCKback to summary
public static final int DIFAT_SECTOR_BLOCK

Indicates the sector holds a DIFAT block (0xFFFFFFFC)

END_OF_CHAINback to summary
public static final int END_OF_CHAIN

Indicates the sector is the end of a chain (0xFFFFFFFE)

FAT_SECTOR_BLOCKback to summary
public static final int FAT_SECTOR_BLOCK

Indicates the sector holds a FAT block (0xFFFFFFFD)

LARGER_BIG_BLOCK_SIZEback to summary
public static final int LARGER_BIG_BLOCK_SIZE

Some use 4096 bytes

LARGER_BIG_BLOCK_SIZE_DETAILSback to summary
public static final POIFSBigBlockSize LARGER_BIG_BLOCK_SIZE_DETAILS
LARGEST_REGULAR_SECTOR_NUMBERback to summary
public static final int LARGEST_REGULAR_SECTOR_NUMBER

The highest sector number you're allowed, 0xFFFFFFFA

PROPERTY_SIZEback to summary
public static final int PROPERTY_SIZE

How big a single property is

SMALL_BLOCK_SIZEback to summary
public static final int SMALL_BLOCK_SIZE

How big a block in the small block stream is. Fixed size

SMALLER_BIG_BLOCK_SIZEback to summary
public static final int SMALLER_BIG_BLOCK_SIZE

Most files use 512 bytes as their big block size

SMALLER_BIG_BLOCK_SIZE_DETAILSback to summary
public static final POIFSBigBlockSize SMALLER_BIG_BLOCK_SIZE_DETAILS
UNUSED_BLOCKback to summary
public static final int UNUSED_BLOCK

Indicates the sector is not used (0xFFFFFFFF)