Java Code Examples for com.google.common.primitives.UnsignedLongs#decode()

/**
 * Deserialize circuit id from byte string.
 *
 * @param circuitId the circuit id byte string
 * @return a Circuit Id
 */
public static CircuitId deserialize(byte[] circuitId) {
    String cIdString = new String(circuitId, StandardCharsets.US_ASCII);
    List<String> splittedCircuitId = Lists.newArrayList(cIdString.split(SEPARATOR));
    checkArgument(splittedCircuitId.size() > 1, "Illegal circuit id.");
    // remove last element (vlan id)
    String vlanId = splittedCircuitId.remove(splittedCircuitId.size() - 1);

    // Reconstruct device Id
    String connectPoint = String.join(SEPARATOR, splittedCircuitId);

    String[] splittedConnectPoint = connectPoint.split(DEVICE_PORT_SEPARATOR);
    // Check connect point is valid or not
    checkArgument(splittedConnectPoint.length == 2,
                  "Connect point must be in \"deviceUri/portNumber\" format");

    // Check the port number is a number or not
    UnsignedLongs.decode(splittedConnectPoint[1]);

    return new CircuitId(connectPoint, VlanId.vlanId(vlanId));
}
 

public static byte[] getBytesFromUnid(final CharSequence unid) {
	if (unid == null)
		return null;
	if (DominoUtils.isUnid(unid)) {
		String first = "0x" + unid.subSequence(0, 16);
		long flong = UnsignedLongs.decode(first);
		byte[] fbytes = Longs.toByteArray(flong);
		String last = "0x" + unid.subSequence(16, 32);
		long llong = UnsignedLongs.decode(last);
		byte[] lbytes = Longs.toByteArray(llong);
		return Bytes.concat(fbytes, lbytes);
	} else {
		throw new IllegalArgumentException("Cannot convert a String of length " + unid.length() + ": " + unid);
	}
}
 

public static long getLongFromReplid(final CharSequence replid) throws IllegalArgumentException {
	if (replid == null)
		throw new IllegalArgumentException("null is not a valid replica id");
	if (DominoUtils.isReplicaId(replid)) {
		String decode = "0x" + replid.toString();
		long result = UnsignedLongs.decode(decode);
		return result;
	} else {
		throw new IllegalArgumentException("Cannot convert a String of length " + replid.length() + ": " + replid);
	}
}
 

public static long[] getLongsFromUnid(final CharSequence unid) throws IllegalArgumentException {
	if (unid == null)
		throw new IllegalArgumentException("null is not a valid unid");
	if (DominoUtils.isUnid(unid)) {
		long[] result = new long[2];
		String first = "0x" + unid.subSequence(0, 16);
		result[0] = UnsignedLongs.decode(first);
		String last = "0x" + unid.subSequence(16, 32);
		result[1] = UnsignedLongs.decode(last);
		return result;
	} else {
		throw new IllegalArgumentException("Cannot convert a String of length " + unid.length() + ": " + unid);
	}
}
 

/**
 * Returns the LabelId representing the specified string value.
 *
 * @param string identifier as string value
 * @return LabelId
 */
public static OpticalLogicId logicId(String string) {
    return new OpticalLogicId(UnsignedLongs.decode(string));
}
 

/**
 * Returns the port number representing the specified string value.
 *
 * @param string port number as decimal, hexadecimal, or octal number string
 * @return port number
 */
public static PortNumber portNumber(String string) {
    return new PortNumber(UnsignedLongs.decode(string));
}