Class Utils

java.lang.Object
org.apache.commons.codec.net.Utils

class Utils extends Object
Utility methods for this package.

This class is immutable and thread-safe.

Since:
1.4
  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    private static final int
    Radix used in encoding and decoding.
  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    (package private) static int
    digit16(byte b)
    Returns the numeric value of the character b in radix 16.
    (package private) static char
    hexDigit(int b)
    Returns the upper case hex digit of the lower 4 bits of the int.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Field Details

    • RADIX

      private static final int RADIX
      Radix used in encoding and decoding.
      See Also:
  • Constructor Details

    • Utils

      Utils()
  • Method Details

    • digit16

      static int digit16(byte b) throws DecoderException
      Returns the numeric value of the character b in radix 16.
      Parameters:
      b - The byte to be converted.
      Returns:
      The numeric value represented by the character in radix 16.
      Throws:
      DecoderException - Thrown when the byte is not valid per Character.digit(char,int)
    • hexDigit

      static char hexDigit(int b)
      Returns the upper case hex digit of the lower 4 bits of the int.
      Parameters:
      b - the input int
      Returns:
      the upper case hex digit of the lower 4 bits of the int.