Field Detail

• chunks

  protected int[] chunks

  Each chunk size.

Constructor Detail

• DictZipHeader

  public DictZipHeader​(long dataSize,
                       int bufferSize)

  Initialize DictZip header from data and buffer size. Constructor for writing dictzip file.

  Parameters:

  dataSize - total data size.

  bufferSize - buffer size.

Method Detail

• readHeader

  public static DictZipHeader readHeader​(String s)
                                  throws IOException

  Read dictzip header from file.

  Parameters:

  s - Filename

  Returns:

  DictZipHeader object.

  Throws:

  IOException - when error in file read.

• readHeader

  public static DictZipHeader readHeader​(InputStream is,
                                         CRC32 crc)
                                  throws IOException

  Read dictzip header from file.

  Parameters:

  is - input stream for retrieve header.

  crc - CRC32 value for check.

  Returns:

  dictzip header object.

  Throws:

  IOException - when error in file read.

• toString

  public final String toString()

  Overrides:

  toString in class Object

• writeHeader

  public static void writeHeader​(DictZipHeader h,
                                 OutputStream out)
                          throws IOException

  Writes GZIP member header.

  Parameters:

  h - DictZipHeader header values.

  out - output stream to write.

  Throws:

  IOException - when error in file output.

• getOffset

  public final int getOffset​(long start)
                      throws IllegalArgumentException

  Offset getter.

  Parameters:

  start - total offset bytes.

  Returns:

  offset in the chunk.

  Throws:

  IllegalArgumentException - when index is out of boundary.

• getPosition

  public final long getPosition​(long start)
                         throws IllegalArgumentException

  Return dictionary position.

  Parameters:

  start - total offset bytes.

  Returns:

  chunk position.

  Throws:

  IllegalArgumentException - when index is out of boundary.

• setHeaderCRC

  public void setHeaderCRC​(boolean val)

  Set Header CRC flag.

  Parameters:

  val - true when set header CRC.

• getGzipFlag

  public BitSet getGzipFlag()

  Get gzip flag as bitset.

  Returns:

  flag as BitSet value.

• getType

  public final String getType()

  Return zip type, whether gzip or dzip.

  Returns:

  type name.

• getChunkLength

  public int getChunkLength()

  Return chunk length.

  Returns:

  length in int.

• getChunkCount

  public int getChunkCount()

  Return chunk count.

  Returns:

  int number.

• getMtime

  public long getMtime()

  Return modification date/time in second from epoch.

  Returns:

  long second from epoch.

• getFilename

  public String getFilename()

  Return filename set to header.

  Returns:

  filename set to header.

• setHeaderOS

  public void setHeaderOS​(DictZipHeader.OperatingSystem os)

  Set OS field of header.

  Parameters:

  os - Operating System

• getHeaderOS

  public DictZipHeader.OperatingSystem getHeaderOS()

  Get OS field.

  Returns:

  OS field value.

• setExtraFlag

  public void setExtraFlag​(DictZipHeader.CompressionLevel flag)

  Set extra flag.

  Parameters:

  flag - compression level.

• getExtraFlag

  public DictZipHeader.CompressionLevel getExtraFlag()

  Get extra flag.

  Returns:

  flag compression level.

• setMtime

  public void setMtime​(long mtime)

  Set mtime field.

  Parameters:

  mtime - modification time.

• setFilename

  public void setFilename​(String filename)

  Set filename field.

  filename should be in ISO-8859-1 charset.

  Parameters:

  filename - name to set.

• setComment

  public void setComment​(String comment)

  Set comment field.

  comment should be in ISO-8859-1 charset.

  Parameters:

  comment - comment string.

• getMemberLength

  public long getMemberLength()

  Get member length.

  Returns:

  gzip member length

• getHeaderLength

  public int getHeaderLength()

  Get header length.

  Returns:

  header length