public final class Hex
extends java.lang.Object
限定符和类型 | 类和说明 |
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static class |
Hex.HexDecodeException |
构造器和说明 |
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Hex() |
限定符和类型 | 方法和说明 |
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static byte[] |
decodeHex(char[] data)
Converts an array of characters representing hexadecimal values into an array of bytes of those same values.
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static char[] |
encodeHex(byte[] data)
Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order.
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static char[] |
encodeHex(byte[] data,
boolean toLowerCase)
Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order.
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static java.lang.String |
encodeHexString(byte[] data)
Converts an array of bytes into a String representing the hexadecimal values of each byte in order.
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protected static int |
toDigit(char ch,
int index)
Converts a hexadecimal character to an integer.
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public static byte[] decodeHex(char[] data) throws Hex.HexDecodeException
data
- An array of characters containing hexadecimal digitsHex.HexDecodeException
- Thrown if an odd number or illegal of characters is suppliedpublic static char[] encodeHex(byte[] data)
data
- a byte[] to convert to Hex characterspublic static char[] encodeHex(byte[] data, boolean toLowerCase)
data
- a byte[] to convert to Hex characterstoLowerCase
- true
converts to lowercase, false
to uppercasepublic static java.lang.String encodeHexString(byte[] data)
data
- a byte[] to convert to Hex charactersprotected static int toDigit(char ch, int index) throws Hex.HexDecodeException
ch
- A character to convert to an integer digitindex
- The index of the character in the sourceHex.HexDecodeException
- Thrown if ch is an illegal hex character