Package org.apache.poi.poifs.common

Interface POIFSConstants

  • public interface POIFSConstants

    A repository for constants shared by POI classes.

    • Field Detail

      • SMALLER_BIG_BLOCK_SIZE

        static final int SMALLER_BIG_BLOCK_SIZE
        Most files use 512 bytes as their big block size
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        Constant Field Values

      • SMALLER_BIG_BLOCK_SIZE_DETAILS

        static final POIFSBigBlockSize SMALLER_BIG_BLOCK_SIZE_DETAILS

      • LARGER_BIG_BLOCK_SIZE

        static final int LARGER_BIG_BLOCK_SIZE
        Some use 4096 bytes
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        Constant Field Values

      • LARGER_BIG_BLOCK_SIZE_DETAILS

        static final POIFSBigBlockSize LARGER_BIG_BLOCK_SIZE_DETAILS

      • SMALL_BLOCK_SIZE

        static final int SMALL_BLOCK_SIZE
        How big a block in the small block stream is. Fixed size
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        Constant Field Values

      • PROPERTY_SIZE

        static final int PROPERTY_SIZE
        How big a single property is
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        Constant Field Values

      • BIG_BLOCK_MINIMUM_DOCUMENT_SIZE

        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)
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        Constant Field Values

      • LARGEST_REGULAR_SECTOR_NUMBER

        static final int LARGEST_REGULAR_SECTOR_NUMBER
        The highest sector number you're allowed, 0xFFFFFFFA
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      • DIFAT_SECTOR_BLOCK

        static final int DIFAT_SECTOR_BLOCK
        Indicates the sector holds a DIFAT block (0xFFFFFFFC)
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      • FAT_SECTOR_BLOCK

        static final int FAT_SECTOR_BLOCK
        Indicates the sector holds a FAT block (0xFFFFFFFD)
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      • END_OF_CHAIN

        static final int END_OF_CHAIN
        Indicates the sector is the end of a chain (0xFFFFFFFE)
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        Constant Field Values

      • UNUSED_BLOCK

        static final int UNUSED_BLOCK
        Indicates the sector is not used (0xFFFFFFFF)
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        Constant Field Values

      • OOXML_FILE_HEADER

        static final byte[] OOXML_FILE_HEADER
        The first 4 bytes of an OOXML file, used in detection

      • RAW_XML_FILE_HEADER

        static final byte[] RAW_XML_FILE_HEADER
        The first 5 bytes of a raw XML file, used in detection