/**
* Returns the int value for the last numBits of the byte array passed. Size of numBits is
* restricted to Integer.SIZE
*
* @param byte[] data
* @param int - numBits
* @return int - the integer value of byte array
*/
public static int getInt(byte[] data, int numBits) {
if (numBits > Integer.SIZE) {
try {
throw new BufferException("Container is too small for the number of requested bits");
} catch (BufferException e) {
logger.error("", e);
}
}
int startOffset = data.length * NetUtils.NumBitsInAByte - numBits;
byte[] bits = null;
try {
bits = BitBufferHelper.getBits(data, startOffset, numBits);
} catch (BufferException e) {
logger.error("", e);
}
return (int) toNumber(bits, numBits);
}
/**
* Returns the long value for the last numBits of the byte array passed. Size of numBits is
* restricted to Long.SIZE
*
* @param byte[] data
* @param int - numBits
* @return long - the integer value of byte array
*/
public static long getLong(byte[] data, int numBits) {
if (numBits > Long.SIZE) {
try {
throw new BufferException("Container is too small for the number of requested bits");
} catch (BufferException e) {
logger.error("", e);
}
}
if (numBits > data.length * NetUtils.NumBitsInAByte) {
try {
throw new BufferException("Trying to read more bits than contained in the data buffer");
} catch (BufferException e) {
logger.error("", e);
}
}
int startOffset = data.length * NetUtils.NumBitsInAByte - numBits;
byte[] bits = null;
try {
bits = BitBufferHelper.getBits(data, startOffset, numBits);
} catch (BufferException e) {
logger.error("", e);
}
return (long) toNumber(bits, numBits);
}