2 * Copyright (c) 2010-2023 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
7 * This program and the accompanying materials are made available under the
8 * terms of the Eclipse Public License 2.0 which is available at
9 * http://www.eclipse.org/legal/epl-2.0
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.kaleidescape.internal.communication;
15 import static org.openhab.binding.kaleidescape.internal.KaleidescapeBindingConstants.*;
17 import org.eclipse.jdt.annotation.NonNullByDefault;
20 * The {@link KaleidescapeFormatter} is a utility class with formatting methods for Kaleidescape strings
22 * @author Michael Lobstein - Initial contribution
25 public class KaleidescapeFormatter {
26 private static final String WITH_DELIMITER = "((?<=\\\\d[0-9]{3})|(?=\\\\d[0-9]{3}))";
28 public static String formatString(String input) {
29 if (!EMPTY.equals(input)) {
30 // convert || back to :
31 input = input.replace("||", ":");
33 // if input does not have any escaped characters, bypass all the replace()'s
34 if (input.contains("\\")) {
36 input = input.replace("\\:", ":");
39 input = input.replace("\\/", "/");
41 // convert \r into comma space
42 input = input.replace("\\r", ", ");
44 // convert \d146 from review text into apostrophe
45 input = input.replace("\\d146", "'");
46 // convert \d147 & \d148 from review text into double quote
47 input = input.replace("\\d147", "\"");
48 input = input.replace("\\d148", "\"");
51 // fix the encoding for k mangled extended ascii characters (chars coming in as \dnnn)
52 // I.e. characters with accent, umlaut, etc., they need to be restored to the correct character
53 // example: Noel (with umlaut 'o') comes in as N\d246el
54 if (input.contains("\\d")) {
55 StringBuilder fixedOutput = new StringBuilder();
56 String[] arr = input.split(WITH_DELIMITER);
58 for (String s : arr) {
59 if (s.startsWith("\\d") && s.length() == 5) {
61 fixedOutput.append((char) Integer.parseInt(s.substring(2, 5)));
62 } catch (NumberFormatException e) {
63 fixedOutput.append(s);
66 fixedOutput.append(s);
69 return fixedOutput.toString();