HexUtils (grizzly-http 4.0.0 API)

java.lang.Object
- org.glassfish.grizzly.http.util.HexUtils

```
public final class HexUtils
extends Object
```
Library of utility methods useful in dealing with converting byte arrays to and from strings of hexadecimal digits. Code from Ajp11, from Apache's JServ.

Author:

Craig R. McClanahan

Constructor Summary

Constructors
Constructor Description

HexUtils()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`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)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - HexUtils
```
public HexUtils()
```
- Method Detail
  - convert
```
public 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.
    
    Parameters:
    
    digits - Hexadecimal digits representation
    
    Throws:
    
    IllegalArgumentException - if an invalid hexadecimal digit is found, or the input string contains an odd number of hexadecimal digits
  - convert
```
public static String convert(byte[] bytes)
```
    Convert a byte array into a printable format containing a String of hexadecimal digit characters (two per byte).
    
    Parameters:
    
    bytes - Byte array representation
  - convert2Int
```
public static int convert2Int(byte[] hex)
```
    Convert 4 hex digits to an int, and return the number of converted bytes.
    
    Parameters:
    
    hex - Byte array containing exactly four hexadecimal digits
    
    Throws:
    
    IllegalArgumentException - if an invalid hexadecimal digit is included
  - getDecBytes
```
public static int[] getDecBytes()
```
  - isHexDigit
```
public static boolean isHexDigit(byte c)
```
  - isHexDigit
```
public static boolean isHexDigit(int c)
```
  - hexDigit2Dec
```
public static int hexDigit2Dec(byte hexDigit)
```
  - hexDigit2Dec
```
public static int hexDigit2Dec(int hexDigit)
```