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java.lang.Objectorg.apache.tomcat.util.buf.HexUtils
public final class HexUtils
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.
| Field Summary | |
|---|---|
| static byte[] | HEXTable for DEC to HEX byte translation. | 
| Constructor Summary | |
|---|---|
| HexUtils() | |
| Method Summary | |
|---|---|
| static java.lang.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(java.lang.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)Deprecated. Not used, will be removed in Tomcat 7 | 
| static int | getDec(int index) | 
| Methods inherited from class java.lang.Object | 
|---|
| clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait | 
| Field Detail | 
|---|
public static final byte[] HEX
| Constructor Detail | 
|---|
public HexUtils()
| Method Detail | 
|---|
public static int getDec(int index)
public static byte[] convert(java.lang.String digits)
digits - Hexadecimal digits representation
java.lang.IllegalArgumentException - if an invalid hexadecimal digit
  is found, or the input string contains an odd number of hexadecimal
  digitspublic static java.lang.String convert(byte[] bytes)
bytes - Byte array representationpublic static int convert2Int(byte[] hex)
hex - Byte array containing exactly four hexadecimal digits
java.lang.IllegalArgumentException - if an invalid hexadecimal digit
  is included| 
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