Java Utililty Methods Long Number Create

List of utility methods to do Long Number Create

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Description

The list of methods to do Long Number Create are organized into topic(s).

Method

longtoLong(byte[] readBuffer, int o)
to Long 
return (((long) readBuffer[0] << 56) + ((long) (readBuffer[1] & 255) << 48)
        + ((long) (readBuffer[2] & 255) << 40) + ((long) (readBuffer[3] & 255) << 32)
        + ((long) (readBuffer[4] & 255) << 24) + ((readBuffer[5] & 255) << 16)
        + ((readBuffer[6] & 255) << 8) + ((readBuffer[7] & 255) << 0));
longtoLong(byte[] si, boolean isReverseOrder)
Convert a byte[] to the corresponding long value. 
long l = 0L;
if (isReverseOrder) {
    si = reverseOrder(si, 8);
int nb = si.length - 1;
for (byte i = 0; i <= nb; i++) {
    long j;
    if (si[i] < 0) {
...
long[]toLong(byte[] src)
Convert an array of byte 's into an array of long '. 
int number = src.length;
long[] dst = new long[number];
for (int j = 0; j < number; ++j) {
    dst[j] = (long) src[j];
return dst;
longtoLong(byte[] src, int srcPos)
to Long 
long qword = 0;
for (int i = 0; i < 8; i++) {
    qword = (qword << 8) + (src[i + srcPos] & 0xFF);
return qword;
LongtoLong(byte[] v)
to Long 
if (v == null) {
    return null;
long firstPart = (((v[0] & 0xFF) << 24) + ((v[1] & 0xFF) << 16) + ((v[2] & 0xFF) << 8) + (v[3] & 0xFF))
        * 72057594037927936l;
int secondPart = ((v[0] & 0xFF) << 24) + ((v[1] & 0xFF) << 16) + ((v[2] & 0xFF) << 8) + (v[3] & 0xFF);
return firstPart + secondPart;
longtoLong(byte[] value)
to Long 
return toLong(value, 0);
longtoLong(byte[] value)
Converte um texto representado por um arranjo de bytes em um inteiro. 
int limit = value.length - 1;
byte signal = value[0] == NEGATIVE ? FALSE : TRUE;
byte hasSignal = value[0] == NEGATIVE || value[0] == POSITIVE ? TRUE : FALSE;
int start = hasSignal == TRUE ? 1 : 0;
long result = 0;
int mult = 1;
for (int i = limit; i >= start; i--) {
    int tmp = value[i] - ZERO;
...
longtoLong(byte[] vint)
to Long 
if (vint.length == 0)
    throw new ArrayIndexOutOfBoundsException("size of the vint array is zero");
byte firstByte = vint[0];
if (firstByte == 0) {
    return 0;
int numOfBytes = getNumberOfBytesInVint(firstByte);
firstByte = (byte) ((firstByte & 0xFF) ^ (sig[numOfBytes] & 0xFF));
...
longtoLong(double val)
to Long 
return (long) Math.floor(val + DOUBLE_EPS);
voidtoLong(double[] in, long[] out)
to Long 
for (int i = 0; i < in.length; i++) {
    out[i] = (long) Math.round(in[i]);