1 /*
2 * Copyright © 2016 Greg Chabala
3 *
4 * This file is part of brick-control-lab.
5 *
6 * brick-control-lab is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * brick-control-lab is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with brick-control-lab. If not, see http://www.gnu.org/licenses/.
18 */
19 package org.chabala.brick.controllab.sensor;
20
21 /**
22 * Helper methods for making readable binary strings of data bytes.
23 */
24 final class BinaryStringFormatter {
25
26 /**
27 * Takes a byte array of two bytes and returns a string of those bytes
28 * represented in binary.
29 * @param highLow byte array containing two bytes
30 * @return a sixteen character string of zeros and ones
31 */
32 static String printInBinary(byte[] highLow) {
33 return printByteInBinary(highLow[0]) + printByteInBinary(highLow[1]);
34 }
35
36 /**
37 * Takes a single byte of data and returns an eight character string
38 * representing that byte in binary. Leading zeros are preserved.
39 * @param data a single byte of data
40 * @return an eight character string of zeros and ones
41 */
42 static String printByteInBinary(byte data) {
43 return Integer.toBinaryString(Byte.toUnsignedInt(data) + 0x100).substring(1);
44 }
45
46 private BinaryStringFormatter() {
47 throw new UnsupportedOperationException();
48 }
49 }