Package de.intarsys.tools.hex

Class HexTools

java.lang.Object
de.intarsys.tools.hex.HexTools
public class HexTools extends Object
Helper class for faster mapping of bytes to their hex equivalent

  • Field Details

    • ByteToHex

      public static final byte[][] ByteToHex
      ASCII byte values for the hex strings.

    • byteToHexLower

      public static final byte[][] byteToHexLower
      ASCII byte values for the hex strings.

  • Constructor Details

    • HexTools

      public HexTools()

  • Method Details

    • bytesToHexString

      public static String bytesToHexString(byte[] data)

    • bytesToHexString

      public static String bytesToHexString(byte[] data, int offset, int length)

    • bytesToHexString

      public static String bytesToHexString(byte[] data, int offset, int length, boolean space)

    • hexDigitToInt

      public static int hexDigitToInt(char c)
      The numeric value for the hex digit, return -1 if not valid digit
      Parameters:
      c - A char representing a hex digit.
      Returns:
      The numeric value of the hex digit

    • hexStringToBytes

      public static byte[] hexStringToBytes(String hexString)

    • hexStringToInt

      public static int hexStringToInt(String hexString)

    • isHexDigit

      public static boolean isHexDigit(char i)
      Evaluate to true if i is a valid hex digit
      Parameters:
      i - A char representing a hex digit.
      Returns:
      true if i is a valid hex digit.