- public static String join(CharSequence separator, Iterable<? extends CharSequence> list) {
- StringBuilder buf = new StringBuilder();
- for (CharSequence str : list) {
- if (buf.length() > 0) {
- buf.append(separator);
+ public static String dashSeparatedToCamelCaseString(String s) {
+ var parts = s.split("-");
+ return toCamelCaseString(Arrays.asList(parts));
+ }
+
+ private static String toCamelCaseString(List<String> strings) {
+ if (strings.isEmpty()) {
+ return "";
+ }
+ return strings.get(0) + strings.stream()
+ .skip(1)
+ .filter(s -> !s.isEmpty())
+ .map(s -> Character.toUpperCase(s.charAt(0)) + s.substring(1).toLowerCase(Locale.ROOT))
+ .collect(Collectors.joining());
+ }
+
+ public static String formatSafetyNumber(String digits) {
+ if (digits == null) {
+ return null;
+ }
+
+ final var partCount = 12;
+ var partSize = digits.length() / partCount;
+ var f = new StringBuilder(digits.length() + partCount);
+ for (var i = 0; i < partCount; i++) {
+ f.append(digits, i * partSize, (i * partSize) + partSize);
+ if (i != partCount - 1) {
+ f.append(" ");