Java Utililty Methods Hex Format

List of utility methods to do Hex Format

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Description

The list of methods to do Hex Format are organized into topic(s).

Method

StringformatAddress6(int[] hexRepresentation)
Converts IPV6 int[] representation into valid IPV6 string literal. 
if (hexRepresentation == null) {
    throw new NullPointerException();
if (hexRepresentation.length != IPV6_LEN) {
    throw new IllegalArgumentException();
StringBuilder stringBuilder = new StringBuilder();
boolean inCompressedSection = false;
...
StringFormatAs2CharHexa(byte byValue)
Format As Char Hexa 
if (byValue < 0)
    return FormatAs2CharHexa((int) byValue + 256);
else
    return FormatAs2CharHexa((int) byValue);
StringFormatAs4CharHexa(int nValue)
Format As Char Hexa 
String cs = "";
char c;
for (int n = 0; n < 4; n++) {
    int nChar = nValue % 16;
    nValue = nValue / 16;
    if (nChar <= 9)
        c = (char) ('0' + nChar);
    else
...
StringformatAsHex(byte[] bytes)
Formats the specified byte array as a hex string. 
if (bytes == null || bytes.length == 0)
    return "";
char[] chars = new char[bytes.length * 2];
for (int i = 0; i < bytes.length; i++) {
    int b = bytes[i] & 0xff;
    chars[i * 2] = hexDigits[b >>> 4];
    chars[i * 2 + 1] = hexDigits[b & 0x0f];
return new String(chars);
StringformatAsHex(long msgId)
format As Hex 
String msgIdStr = String.format("%07x", msgId);
return msgIdStr.toLowerCase();
StringformatAsHexUppercase(long msgId)
format As Hex Uppercase 
return formatAsHex(msgId).toUpperCase();
StringformatAsRawHex(int bitStringLength, String hex)
creates a epc-hex representation of a given tag. 
return String.format("urn:epc:raw:%d.x%s", bitStringLength, hex);
StringformatBytes2HexString(byte[] bytes, int offset, int length)
format Bytes Hex String 
final int startIndex = offset;
final int fullRows = length >>> 4;
final int remainder = length & 0xF;
StringBuilder dump = new StringBuilder();
dump.append("         +-------------------------------------------------+" + NEWLINE
        + "         |  0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f |" + NEWLINE
        + "+--------+-------------------------------------------------+----------------+");
for (int row = 0; row < fullRows; row++) {
...
StringformatByteToPaddedHex(int i, int l)
format Byte To Padded Hex 
StringBuilder hex = new StringBuilder(Integer.toString(i, 16).toUpperCase());
while (hex.length() < l) {
    hex.insert(0, "0");
return hex.toString();
StringformatColorInt2HexString(int c)
format Color Int Hex String 
String s = "";
try {
    s = String.format("#%06X", (0xFFFFFF & c));
} catch (Exception e) {
return s;