Interface Compressor

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static int DEFLATE
      The DEFLATE compression algorithm is used.
      static int LZF
      The LZF compression algorithm is used
      static int NO
      No compression is used.
    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      int compress​(byte[] in, int inPos, int inLen, byte[] out, int outPos)
      Compress a number of bytes.
      void expand​(byte[] in, int inPos, int inLen, byte[] out, int outPos, int outLen)
      Expand a number of compressed bytes.
      int getAlgorithm()
      Get the compression algorithm type.
      void setOptions​(java.lang.String options)
      Set the compression options.
    • Method Detail

      • getAlgorithm

        int getAlgorithm()
        Get the compression algorithm type.
        Returns:
        the type
      • compress

        int compress​(byte[] in,
                     int inPos,
                     int inLen,
                     byte[] out,
                     int outPos)
        Compress a number of bytes.
        Parameters:
        in - the input data
        inPos - the offset at the input array
        inLen - the number of bytes to compress
        out - the output area
        outPos - the offset at the output array
        Returns:
        the end position
      • expand

        void expand​(byte[] in,
                    int inPos,
                    int inLen,
                    byte[] out,
                    int outPos,
                    int outLen)
        Expand a number of compressed bytes.
        Parameters:
        in - the compressed data
        inPos - the offset at the input array
        inLen - the number of bytes to read
        out - the output area
        outPos - the offset at the output array
        outLen - the size of the uncompressed data
      • setOptions

        void setOptions​(java.lang.String options)
        Set the compression options. This may include settings for higher performance but less compression.
        Parameters:
        options - the options