Package org.apache.tika.parser.chm.core

Class ChmCommons

java.lang.Object
org.apache.tika.parser.chm.core.ChmCommons
@Deprecated(since="2026-04-30") public class ChmCommons extends Object
Deprecated.

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static enum 
    ChmCommons.EntryType
    Deprecated.
    Represents entry types: uncompressed, compressed
    static enum 
    ChmCommons.IntelState
    Deprecated.
    Represents intel file states during decompression
    static enum 
    ChmCommons.LzxState
    Deprecated.
    Represents lzx states: started decoding, not started decoding

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final int
    ALIGNED_OFFSET
    Deprecated.
     
    static final int
    UNCOMPRESSED
    Deprecated.
     
    static final int
    UNDEFINED
    Deprecated.
    Represents lzx block types in order to decompress differently
    static final int
    VERBATIM
    Deprecated.
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static void
    assertByteArrayNotNull(byte[] data)
    Deprecated.
     
    static byte[]
    copyOfRange(byte[] original, int from, int to)
    Deprecated.
     
    static byte[]
    getChmBlockSegment(byte[] data, ChmLzxcResetTable resetTable, int blockNumber, int lzxcBlockOffset, int lzxcBlockLength)
    Deprecated.
     
    static String
    getLanguage(long langID)
    Deprecated.
    Returns textual representation of LangID
    static int
    getWindowSize(int window)
    Deprecated.
    LZX supports window sizes of 2^15 (32Kb) through 2^21 (2Mb) Returns X, i.e 2^X
    static boolean
    hasSkip(DirectoryListingEntry directoryListingEntry)
    Deprecated.
    Checks skippable patterns
    static int
    indexOf(byte[] text, byte[] pattern)
    Deprecated.
    Searches some pattern in byte[]
    static int
    indexOf(List<DirectoryListingEntry> list, String pattern)
    Deprecated.
    Searches for some pattern in the directory listing entry list
    static final int
    indexOfResetTableBlock(byte[] text, byte[] pattern)
    Deprecated.
    Returns an index of the reset table
    static boolean
    isEmpty(String str)
    Deprecated.
     
    static void
    reverse(byte[] array)
    Deprecated.
    Reverses the order of given array
    static void
    writeFile(byte[][] buffer, String fileToBeSaved)
    Deprecated.
    Writes byte[][] to the file

    Methods inherited from class java.lang.Object

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

  • Field Details

    • UNDEFINED

      public static final int UNDEFINED
      Deprecated.
      Represents lzx block types in order to decompress differently
      See Also:

    • VERBATIM

      public static final int VERBATIM
      Deprecated.
      See Also:

    • ALIGNED_OFFSET

      public static final int ALIGNED_OFFSET
      Deprecated.
      See Also:

    • UNCOMPRESSED

      public static final int UNCOMPRESSED
      Deprecated.
      See Also:

  • Method Details

    • assertByteArrayNotNull

      public static void assertByteArrayNotNull(byte[] data) throws TikaException
      Deprecated.
      Throws:
      TikaException

    • getWindowSize

      public static int getWindowSize(int window)
      Deprecated.
      LZX supports window sizes of 2^15 (32Kb) through 2^21 (2Mb) Returns X, i.e 2^X
      Parameters:
      window - chmLzxControlData.getWindowSize()
      Returns:
      window size

    • getChmBlockSegment

      public static byte[] getChmBlockSegment(byte[] data, ChmLzxcResetTable resetTable, int blockNumber, int lzxcBlockOffset, int lzxcBlockLength) throws TikaException
      Deprecated.
      Throws:
      TikaException

    • getLanguage

      public static String getLanguage(long langID)
      Deprecated.
      Returns textual representation of LangID
      Parameters:
      langID -
      Returns:
      language name

    • hasSkip

      public static boolean hasSkip(DirectoryListingEntry directoryListingEntry)
      Deprecated.
      Checks skippable patterns
      Parameters:
      directoryListingEntry -
      Returns:
      boolean

    • writeFile

      public static void writeFile(byte[][] buffer, String fileToBeSaved) throws TikaException
      Deprecated.
      Writes byte[][] to the file
      Parameters:
      buffer -
      fileToBeSaved - file name
      Throws:
      TikaException

    • reverse

      public static void reverse(byte[] array)
      Deprecated.
      Reverses the order of given array
      Parameters:
      array -

    • indexOfResetTableBlock

      public static final int indexOfResetTableBlock(byte[] text, byte[] pattern) throws ChmParsingException
      Deprecated.
      Returns an index of the reset table
      Parameters:
      text -
      pattern -
      Returns:
      index of the reset table
      Throws:
      ChmParsingException

    • indexOf

      public static int indexOf(byte[] text, byte[] pattern) throws ChmParsingException
      Deprecated.
      Searches some pattern in byte[]
      Parameters:
      text - byte[]
      pattern - byte[]
      Returns:
      an index, if nothing found returns -1
      Throws:
      ChmParsingException

    • indexOf

      public static int indexOf(List<DirectoryListingEntry> list, String pattern)
      Deprecated.
      Searches for some pattern in the directory listing entry list
      Parameters:
      list -
      pattern -
      Returns:
      an index, if nothing found returns -1

    • copyOfRange

      public static byte[] copyOfRange(byte[] original, int from, int to) throws TikaException
      Deprecated.
      Throws:
      TikaException

    • isEmpty

      public static boolean isEmpty(String str)
      Deprecated.