org.eclipse.net4j.util
Class HexUtil

java.lang.Object
  org.eclipse.net4j.util.HexUtil

public final class HexUtil

extends Object

Provides static methods that convert to and from hexadecimal string formats.

DIGITS

public static final char[] DIGITS

bytesToHex

public static String bytesToHex(byte[] bs,
                                int off,
                                int length)

Converts a byte array into a string of lower case hex chars.

Parameters:

bs - A byte array

off - The index of the first byte to read

length - The number of bytes to read.

Returns:

the string of hex chars.

bytesToHexAppend

public static void bytesToHexAppend(byte[] bs,
                                    int off,
                                    int length,
                                    Appendable appendable)

bytesToHex

public static String bytesToHex(byte[] bs)

hexToBytes

public static byte[] hexToBytes(String s)

hexToBytes

public static byte[] hexToBytes(String s,
                                int off)

hexToBytes

public static void hexToBytes(String s,
                              byte[] out,
                              int off)
                       throws NumberFormatException,
                              IndexOutOfBoundsException

Converts a String of hex characters into an array of bytes.

Parameters:

s - A string of hex characters (upper case or lower) of even length.

out - A byte array of length at least s.length()/2 + off

off - The first byte to write of the array

Throws:

NumberFormatException

IndexOutOfBoundsException

longToHex

public static String longToHex(long v)

formatByte

@Deprecated
public static String formatByte(int b)

Deprecated. 

formatBytes

@Deprecated
public static String formatBytes(byte[] bytes)

Deprecated. 

appendHex

@Deprecated
public static void appendHex(StringBuilder builder,
                                        int b)

Deprecated.