Module seppiko.commons.utils
Package org.seppiko.commons.utils.codec

Class HexUtil

java.lang.Object
org.seppiko.commons.utils.codec.HexUtil
public class HexUtil extends Object
Hex Util - Convert byte array to hex char array
Author:
Leonard Woo

  • Constructor Summary

    Constructors
    Constructor
    Description
    HexUtil()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static byte[]
    decode(char[] data)
    convert hex char array to byte array
    static byte[]
    decode(String data, String split)
    convert hex string with split to byte array
    static byte[]
    decodeString(String data)
    convert hex string with whitespace split to byte array
    static char[]
    encode(byte[] data)
    convert byte array to hex char array
    static char[]
    encode(byte[] data, boolean toLowerCase)
    convert byte array to hex char array
    static String
    encodeString(byte[] data)
    convert byte array to string object
    static String
    encodeString(byte[] data, String split)
    convert byte array to string object
    static char[]
    encodeWithBytes(byte[] data)
    convert byte array to hex char array

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • HexUtil

      public HexUtil()

  • Method Details

    • encodeWithBytes

      public static char[] encodeWithBytes(byte[] data)
      convert byte array to hex char array
      Parameters:
      data - byte array data
      Returns:
      hex char array

    • encodeString

      public static String encodeString(byte[] data)
      convert byte array to string object
      Parameters:
      data - byte array data
      Returns:
      string object

    • encodeString

      public static String encodeString(byte[] data, String split)
      convert byte array to string object
      Parameters:
      data - byte array data
      split - string object split
      Returns:
      string object

    • encode

      public static char[] encode(byte[] data)
      convert byte array to hex char array
      Parameters:
      data - byte array data
      Returns:
      hex char array

    • encode

      public static char[] encode(byte[] data, boolean toLowerCase)
      convert byte array to hex char array
      Parameters:
      data - byte array data
      toLowerCase - true is lower case, false is upper case
      Returns:
      hex char array

    • decodeString

      public static byte[] decodeString(String data)
      convert hex string with whitespace split to byte array
      Parameters:
      data - hex string
      Returns:
      byte array
      Throws:
      IllegalArgumentException - data include invalid character
      NullPointerException - when data or separator is null

    • decode

      public static byte[] decode(String data, String split) throws IllegalArgumentException, NullPointerException
      convert hex string with split to byte array
      Parameters:
      data - hex string
      split - split
      Returns:
      byte array
      Throws:
      IllegalArgumentException - data include invalid character
      NullPointerException - when data or separator is null

    • decode

      public static byte[] decode(char[] data) throws IllegalArgumentException, NullPointerException
      convert hex char array to byte array
      Parameters:
      data - hex char array
      Returns:
      byte array
      Throws:
      IllegalArgumentException - data include invalid character
      NullPointerException - data is null or empty