Constructor Detail

• Hex

  Hex()

Method Detail

• decodeHex

   static Array<byte> decodeHex(Array<char> data)

  Parameters:

  data - (Eg.

  Returns:

  {10, 9, 12, ...}

• encodeHex

   static Array<char> encodeHex(Array<byte> data)

  Encode a byte array into a char array.

  Parameters:

  data - Data to be encoded (Eg.

  Returns:

  Encoded data as a char array (Eg. [ ' a ', ' 9 ', ' c ', ...])

• encodeHex

   static Array<char> encodeHex(Array<byte> data, boolean toLowerCase)

  Encode a byte array into a char array.

  Parameters:

  data - Data to be encoded (Eg.

  toLowerCase - True if result array needs to contains lowercase hexadecimal only.

  Returns:

  Encoded data as a char array (Eg. [ ' a ', ' 9 ', ' c ', ...])

• encodeHexString

   static String encodeHexString(Array<byte> data)

  Converts a byte array into an hexadecimal string

  Parameters:

  data - Array of byte to be converted to a hex string.

  Returns:

  an hexadecimal string: "a9c..."

• convertTextToData

   static Array<byte> convertTextToData(String text)

  Convert String to byte []

  Parameters:

  text - string to convert

  Returns:

  converted string

• bytesToHexString

   static String bytesToHexString(Array<byte> array, int bufSize)

  Convert array of bytes into a hexadecimal string

  Parameters:

  array - Array of byte to be converted to a hex string

  bufSize - Size of bytes array.

  Returns:

  An hexadecimal string.

• byteArrayToHexString

   static String byteArrayToHexString(Array<byte> array, int size)

• byteArrayToByteArray

   static List<Byte> byteArrayToByteArray(Array<byte> data)

  Convert a byte array to a List of Byte.

• byteArrayToHexString

   static String byteArrayToHexString(List<Byte> data)

  Convert a List of Byte to a String.

• byteArrayToHexString

   static String byteArrayToHexString(Array<byte> a)

  Convert array of bytes into a hexadecimal string

  Parameters:

  a - Array of byte to be converted to a hex string

  Returns:

  An hexadecimal string.

• byteArrayToBitString

   static String byteArrayToBitString(Array<byte> a)

  Convert array of bytes into a binary string of 0s and 1s

  Parameters:

  a - Array of byte to be converted to a binary string

  Returns:

  a string representing the array in parameter

• binToHexString

   static String binToHexString(String binaries)

• byteToHex

   static String byteToHex(byte b)

  Converts a byte into hexadecimal value

  Parameters:

  b - Byte to convert

  Returns:

  String with a single hexadecimal value

• byteToBitString

   static String byteToBitString(byte n)

  Converts a byte into binary string

  Parameters:

  n - Byte to be converted.

  Returns:

  string of 0s and 1s characters representing the byte given as a parameter

• hexToByte

   static byte hexToByte(String s)

  Converts a hexadecimal String value into a byte

  Parameters:

  s - String with a single hexadecimal value to convert

  Returns:

  Byte

• hexStringToByteArray

   static Array<byte> hexStringToByteArray(String s)

  Convert a String to a byte array

  Parameters:

  s - String to be converted.

  Returns:

  byte array. Ex. [0xB6, 0x45, 0x92, ...]

• hexStringToByteArrayList

  @NonNull() static List<Byte> hexStringToByteArrayList(String hexData)

  Convert a hex data hosted in a string to List of Byte

• binaryStringToByteArray

   static Array<byte> binaryStringToByteArray(String stream, boolean roundUpperByte)

  Converts a string of 0s and 1s to a byte array.

  Parameters:

  stream - the string to be converted

  roundUpperByte - true to add an additional byte at the end if number of bits in stream is not multiple of 8

  Returns:

  a byte array of the string in parameter

• binaryStringToByteArray

   static Array<byte> binaryStringToByteArray(String stream)

  Converts a string of 0s and 1s to a byte array. Do not add an additional byte at the end if number of bits in stream is not multiple of 8

  Parameters:

  stream - the string to be converted

  Returns:

  a byte array of the string in parameter

• byteListToByteArray

   static Array<byte> byteListToByteArray(List<Byte> blist)

  Helper method to convert a list of bytes to an array

  Parameters:

  blist - A list of bytes to be converted.

  Returns:

  bytes array.

• tryParseIntToHex

   static String tryParseIntToHex(String s)

  Convert a String representing an integer to Hexadecimal String with default value

  Parameters:

  s - a String containing the int representation to be parsed

  Returns:

  hex string, "" if error

• invertBitString

   static String invertBitString(String data)

  Invert the bits in binary string. For example String 000 should be inverted as 111 and 1101 as 0010.

  Parameters:

  data - bit String to be inverted

  Returns:

  inverted string

• containsOnlyHex

   static boolean containsOnlyHex(String data)

  Check if there is only hexadecimal digits (upper or lower case) in string.

  Parameters:

  data - String to be checked

  Returns:

  true if String contains only [0-9A-Fa-f], false if any other character is found inside the string

• containsOnlyBits

   static boolean containsOnlyBits(String data)

  Check if there is only 0/1 bits in binary string.

  Parameters:

  data - bit String to be checked

  Returns:

  true if String contains only 0 or 1, false if any other character is found inside the string

• countNumTrailingBitsInByte

   static byte countNumTrailingBitsInByte(byte data, boolean polarity)

  Return number of trailing bits of polarity set in byte data Ex: (0xE0, false): number of trailing bits set to 0 => 5 Ex: (0xE0, true): number of trailing bits set to 1 => 0 Ex: (0xF4, false): number of trailing bits set to 0 => 2 Ex: (0x87, true): number of trailing bits set to 1 => 3

  Returns:

  number of trailing bits of polarity set in byte data

• binWithoutPrefix

   static String binWithoutPrefix(String binStr)

  * Normalize a binary string to format "101010...." (No '0b' + bin string) if "0b" is present in input string, it is removed. Ex: "0b101010" -> "101010" Ex: "0B101010" -> "101010" Ex: "101010" -> "101010"

  Parameters:

  binStr - binary String to normalize

  Returns:

  normalized binary String without "0b"