Java Utililty Methods BigInteger Calculate

return String.format("%s:%s:%s", datapathid, portName, vlanId);

if (bigs.length != 4 && bigs.length != 16) {
    throw new IllegalArgumentException();
byte[] bytes = new byte[bigs.length];
for (int i = 0; i < bigs.length; i++) {
    bytes[i] = (byte) (bigs[i].byteValue() & 0xff);
return getIpAddressByHexaBytes(bytes);
...

String[] field = new String[4];
BigInteger unit = BigInteger.valueOf(0x100L);
BigInteger number = addr;
for (int i = field.length - 1; i >= 0; i--) {
    BigInteger[] div = number.divideAndRemainder(unit);
    number = div[0];
    field[i] = div[1].toString(10);
StringBuilder builder = new StringBuilder(field[0]);
for (int i = 1; i < field.length; i++) {
    builder.append(".");
    builder.append(field[i]);
return builder.toString();

String[] field = new String[8];
BigInteger unit = BigInteger.valueOf(0x10000L);
BigInteger number = addr;
for (int i = field.length - 1; i >= 0; i--) {
    BigInteger[] div = number.divideAndRemainder(unit);
    number = div[0];
    field[i] = div[1].toString(16);
StringBuilder builder = new StringBuilder();
constructDecompressed(builder, field);
return builder.toString();

jg.writeStartArray();
for (BigInteger obj : array) {
    jg.writeNumber(obj);
jg.writeEndArray();

final byte[] valueBytes = value.toByteArray();
final byte[] bytes = new byte[numBytes];
System.arraycopy(valueBytes, 0, bytes, 0, Math.min(valueBytes.length, bytes.length));
return bytes;

return new StringBuffer().append(tableId).append(elanTag).append(dpId).append(lporTag).append(macAddress)
        .toString();

if (number >= 0)
    return BigInteger.valueOf(number);
return BigInteger.valueOf(number).add(B64);

byte[] b = bi.toByteArray();
if ((b.length > 1) && (b[0] == 0)) {
    int n = b.length - 1;
    byte[] newarray = new byte[n];
    System.arraycopy(b, 1, newarray, 0, n);
    b = newarray;
return b;
...

return getServiceIndexMetaData(serviceIndex).or(getLportTagMetaData(lportTag)).or(serviceMetaData);