public final class HexUtils extends Object
Constructor and Description |
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HexUtils() |
Modifier and Type | Method and Description |
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static String |
convert(byte[] bytes)
Convert a byte array into a printable format containing a
String of hexadecimal digit characters (two per byte).
|
static byte[] |
convert(String digits)
Convert a String of hexadecimal digits into the corresponding
byte array by encoding each two hexadecimal digits as a byte.
|
static int |
convert2Int(byte[] hex)
Convert 4 hex digits to an int, and return the number of converted
bytes.
|
static int[] |
getDecBytes() |
static int |
hexDigit2Dec(byte hexDigit) |
static int |
hexDigit2Dec(int hexDigit) |
static boolean |
isHexDigit(byte c) |
static boolean |
isHexDigit(int c) |
public static byte[] convert(String digits)
digits
- Hexadecimal digits representationIllegalArgumentException
- if an invalid hexadecimal digit
is found, or the input string contains an odd number of hexadecimal
digitspublic static String convert(byte[] bytes)
bytes
- Byte array representationpublic static int convert2Int(byte[] hex)
hex
- Byte array containing exactly four hexadecimal digitsIllegalArgumentException
- if an invalid hexadecimal digit
is includedpublic static int[] getDecBytes()
public static boolean isHexDigit(byte c)
public static boolean isHexDigit(int c)
public static int hexDigit2Dec(byte hexDigit)
public static int hexDigit2Dec(int hexDigit)
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