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Java Source Code / Java Documentation » Sevlet Container » tomcat connectors » org.apache.tomcat.util.buf 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.apache.tomcat.util.buf.HexUtils

HexUtils
final public class HexUtils (Code)
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


Field Summary
final public static  int[]DEC
     Table for HEX to DEC byte translation.
final public static  byte[]HEX
     Table for DEC to HEX byte translation.


Method Summary
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.
public static  Stringconvert(byte bytes)
     Convert a byte array into a printable format containing a String of hexadecimal digit characters (two per byte).
public static  intconvert2Int(byte[] hex)
     Convert 4 hex digits to an int, and return the number of converted bytes.

Field Detail
DEC
final public static int[] DEC(Code)
Table for HEX to DEC byte translation.



HEX
final public static byte[] HEX(Code)
Table for DEC to HEX byte translation.





Method Detail
convert
public static byte[] convert(String digits)(Code)
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
exception:
  IllegalArgumentException - if an invalid hexadecimal digitis found, or the input string contains an odd number of hexadecimaldigits



convert
public static String convert(byte bytes)(Code)
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)(Code)
Convert 4 hex digits to an int, and return the number of converted bytes.
Parameters:
  hex - Byte array containing exactly four hexadecimal digits
exception:
  IllegalArgumentException - if an invalid hexadecimal digitis included



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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