1 /*
2 * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package build.tools.cldrconverter;
27
28 import java.util.ArrayList;
29 import java.util.Arrays;
30 import java.util.EnumSet;
31 import java.util.HashMap;
32 import java.util.Iterator;
33 import java.util.List;
34 import java.util.Map;
35 import java.util.Objects;
36
37 class Bundle {
38 static enum Type {
39 LOCALENAMES, CURRENCYNAMES, TIMEZONENAMES, CALENDARDATA, FORMATDATA;
40
41 static EnumSet<Type> ALL_TYPES = EnumSet.of(LOCALENAMES,
42 CURRENCYNAMES,
43 TIMEZONENAMES,
44 CALENDARDATA,
45 FORMATDATA);
46 }
47
48 private final static Map<String, Bundle> bundles = new HashMap<>();
49
50 private final static String[] NUMBER_PATTERN_KEYS = {
51 "NumberPatterns/decimal",
52 "NumberPatterns/currency",
53 "NumberPatterns/percent"
54 };
55
56 private final static String[] NUMBER_ELEMENT_KEYS = {
57 "NumberElements/decimal",
58 "NumberElements/group",
59 "NumberElements/list",
60 "NumberElements/percent",
61 "NumberElements/zero",
62 "NumberElements/pattern",
63 "NumberElements/minus",
64 "NumberElements/exponential",
65 "NumberElements/permille",
66 "NumberElements/infinity",
67 "NumberElements/nan"
68 };
69
70 private final static String[] TIME_PATTERN_KEYS = {
71 "DateTimePatterns/full-time",
72 "DateTimePatterns/long-time",
73 "DateTimePatterns/medium-time",
74 "DateTimePatterns/short-time",
75 };
76
77 private final static String[] DATE_PATTERN_KEYS = {
78 "DateTimePatterns/full-date",
79 "DateTimePatterns/long-date",
80 "DateTimePatterns/medium-date",
81 "DateTimePatterns/short-date",
82 };
83
84 private final static String[] DATETIME_PATTERN_KEYS = {
85 "DateTimePatterns/full-dateTime",
86 "DateTimePatterns/long-dateTime",
87 "DateTimePatterns/medium-dateTime",
88 "DateTimePatterns/short-dateTime",
89 };
90
91 private final static String[] ERA_KEYS = {
92 "long.Eras",
93 "Eras",
94 "narrow.Eras"
95 };
96
97 // Keys for individual time zone names
98 private final static String TZ_GEN_LONG_KEY = "timezone.displayname.generic.long";
99 private final static String TZ_GEN_SHORT_KEY = "timezone.displayname.generic.short";
100 private final static String TZ_STD_LONG_KEY = "timezone.displayname.standard.long";
101 private final static String TZ_STD_SHORT_KEY = "timezone.displayname.standard.short";
102 private final static String TZ_DST_LONG_KEY = "timezone.displayname.daylight.long";
103 private final static String TZ_DST_SHORT_KEY = "timezone.displayname.daylight.short";
104 private final static String[] ZONE_NAME_KEYS = {
105 TZ_STD_LONG_KEY,
106 TZ_STD_SHORT_KEY,
107 TZ_DST_LONG_KEY,
108 TZ_DST_SHORT_KEY,
109 TZ_GEN_LONG_KEY,
110 TZ_GEN_SHORT_KEY
111 };
112
113 private final String id;
114 private final String cldrPath;
115 private final EnumSet<Type> bundleTypes;
116 private final String currencies;
117 private Map<String, Object> targetMap;
118
119 static Bundle getBundle(String id) {
120 return bundles.get(id);
121 }
122
123 @SuppressWarnings("ConvertToStringSwitch")
124 Bundle(String id, String cldrPath, String bundles, String currencies) {
125 this.id = id;
126 this.cldrPath = cldrPath;
127 if ("localenames".equals(bundles)) {
128 bundleTypes = EnumSet.of(Type.LOCALENAMES);
129 } else if ("currencynames".equals(bundles)) {
130 bundleTypes = EnumSet.of(Type.CURRENCYNAMES);
131 } else {
132 bundleTypes = Type.ALL_TYPES;
133 }
134 if (currencies == null) {
135 currencies = "local";
136 }
137 this.currencies = currencies;
138 addBundle();
139 }
140
141 private void addBundle() {
142 Bundle.bundles.put(id, this);
143 }
144
145 String getID() {
146 return id;
147 }
148
149 String getJavaID() {
150 // Tweak ISO compatibility for bundle generation
151 return id.replaceFirst("^he", "iw")
152 .replaceFirst("^id", "in")
153 .replaceFirst("^yi", "ji");
154 }
155
156 boolean isRoot() {
157 return "root".equals(id);
158 }
159
160 String getCLDRPath() {
161 return cldrPath;
162 }
163
164 EnumSet<Type> getBundleTypes() {
165 return bundleTypes;
166 }
167
168 String getCurrencies() {
169 return currencies;
170 }
171
172 /**
173 * Generate a map that contains all the data that should be
174 * visible for the bundle's locale
175 */
176 Map<String, Object> getTargetMap() throws Exception {
177 if (targetMap != null) {
178 return targetMap;
179 }
180
181 String[] cldrBundles = getCLDRPath().split(",");
182
183 // myMap contains resources for id.
184 Map<String, Object> myMap = new HashMap<>();
185 int index;
186 for (index = 0; index < cldrBundles.length; index++) {
187 if (cldrBundles[index].equals(id)) {
188 myMap.putAll(CLDRConverter.getCLDRBundle(cldrBundles[index]));
189 CLDRConverter.handleAliases(myMap);
190 break;
191 }
192 }
193
194 // parentsMap contains resources from id's parents.
195 Map<String, Object> parentsMap = new HashMap<>();
196 for (int i = cldrBundles.length - 1; i > index; i--) {
197 if (!("no".equals(cldrBundles[i]) || cldrBundles[i].startsWith("no_"))) {
198 parentsMap.putAll(CLDRConverter.getCLDRBundle(cldrBundles[i]));
199 CLDRConverter.handleAliases(parentsMap);
200 }
201 }
202 // Duplicate myMap as parentsMap for "root" so that the
203 // fallback works. This is a hack, though.
204 if ("root".equals(cldrBundles[0])) {
205 assert parentsMap.isEmpty();
206 parentsMap.putAll(myMap);
207 }
208
209 // merge individual strings into arrays
210
211 // if myMap has any of the NumberPatterns members
212 for (String k : NUMBER_PATTERN_KEYS) {
213 if (myMap.containsKey(k)) {
214 String[] numberPatterns = new String[NUMBER_PATTERN_KEYS.length];
215 for (int i = 0; i < NUMBER_PATTERN_KEYS.length; i++) {
216 String key = NUMBER_PATTERN_KEYS[i];
217 String value = (String) myMap.remove(key);
218 if (value == null) {
219 value = (String) parentsMap.remove(key);
220 }
221 if (value.length() == 0) {
222 CLDRConverter.warning("empty pattern for " + key);
223 }
224 numberPatterns[i] = value;
225 }
226 myMap.put("NumberPatterns", numberPatterns);
227 break;
228 }
229 }
230
231 // if myMap has any of NUMBER_ELEMENT_KEYS, create a complete NumberElements.
232 String defaultScript = (String) myMap.get("DefaultNumberingSystem");
233 @SuppressWarnings("unchecked")
234 List<String> scripts = (List<String>) myMap.get("numberingScripts");
235 if (defaultScript == null && scripts != null) {
236 // Some locale data has no default script for numbering even with mutiple scripts.
237 // Take the first one as default in that case.
238 defaultScript = scripts.get(0);
239 myMap.put("DefaultNumberingSystem", defaultScript);
240 }
241 if (scripts != null) {
242 for (String script : scripts) {
243 for (String k : NUMBER_ELEMENT_KEYS) {
244 String[] numberElements = new String[NUMBER_ELEMENT_KEYS.length];
245 for (int i = 0; i < NUMBER_ELEMENT_KEYS.length; i++) {
246 String key = script + "." + NUMBER_ELEMENT_KEYS[i];
247 String value = (String) myMap.remove(key);
248 if (value == null) {
249 if (key.endsWith("/pattern")) {
250 value = "#";
251 } else {
252 value = (String) parentsMap.get(key);
253 if (value == null) {
254 // the last resort is "latn"
255 key = "latn." + NUMBER_ELEMENT_KEYS[i];
256 value = (String) parentsMap.get(key);
257 if (value == null) {
258 throw new InternalError("NumberElements: null for " + key);
259 }
260 }
261 }
262 }
263 numberElements[i] = value;
264 }
265 myMap.put(script + "." + "NumberElements", numberElements);
266 break;
267 }
268 }
269 }
270
271 // another hack: parentsMap is not used for date-time resources.
272 if ("root".equals(id)) {
273 parentsMap = null;
274 }
275
276 for (CalendarType calendarType : CalendarType.values()) {
277 String calendarPrefix = calendarType.keyElementName();
278 // handle multiple inheritance for month and day names
279 handleMultipleInheritance(myMap, parentsMap, calendarPrefix + "MonthNames");
280 handleMultipleInheritance(myMap, parentsMap, calendarPrefix + "MonthAbbreviations");
281 handleMultipleInheritance(myMap, parentsMap, calendarPrefix + "MonthNarrows");
282 handleMultipleInheritance(myMap, parentsMap, calendarPrefix + "DayNames");
283 handleMultipleInheritance(myMap, parentsMap, calendarPrefix + "DayAbbreviations");
284 handleMultipleInheritance(myMap, parentsMap, calendarPrefix + "DayNarrows");
285 handleMultipleInheritance(myMap, parentsMap, calendarPrefix + "AmPmMarkers");
286 handleMultipleInheritance(myMap, parentsMap, calendarPrefix + "narrow.AmPmMarkers");
287 handleMultipleInheritance(myMap, parentsMap, calendarPrefix + "abbreviated.AmPmMarkers");
288 handleMultipleInheritance(myMap, parentsMap, calendarPrefix + "QuarterNames");
289 handleMultipleInheritance(myMap, parentsMap, calendarPrefix + "QuarterAbbreviations");
290 handleMultipleInheritance(myMap, parentsMap, calendarPrefix + "QuarterNarrows");
291
292 adjustEraNames(myMap, calendarType);
293
294 handleDateTimeFormatPatterns(TIME_PATTERN_KEYS, myMap, parentsMap, calendarType, "TimePatterns");
295 handleDateTimeFormatPatterns(DATE_PATTERN_KEYS, myMap, parentsMap, calendarType, "DatePatterns");
296 handleDateTimeFormatPatterns(DATETIME_PATTERN_KEYS, myMap, parentsMap, calendarType, "DateTimePatterns");
297 }
298
299 // First, weed out any empty timezone or metazone names from myMap.
300 // Fill in any missing abbreviations if locale is "en".
301 for (Iterator<String> it = myMap.keySet().iterator(); it.hasNext();) {
302 String key = it.next();
303 if (key.startsWith(CLDRConverter.TIMEZONE_ID_PREFIX)
304 || key.startsWith(CLDRConverter.METAZONE_ID_PREFIX)) {
305 @SuppressWarnings("unchecked")
306 Map<String, String> nameMap = (Map<String, String>) myMap.get(key);
307 if (nameMap.isEmpty()) {
308 // Some zones have only exemplarCity, which become empty.
309 // Remove those from the map.
310 it.remove();
311 continue;
312 }
313
314 if (id.equals("en")) {
315 fillInJREs(key, nameMap);
316 }
317 }
318 }
319 for (Iterator<String> it = myMap.keySet().iterator(); it.hasNext();) {
320 String key = it.next();
321 if (key.startsWith(CLDRConverter.TIMEZONE_ID_PREFIX)
322 || key.startsWith(CLDRConverter.METAZONE_ID_PREFIX)) {
323 @SuppressWarnings("unchecked")
324 Map<String, String> nameMap = (Map<String, String>) myMap.get(key);
325
326 // Convert key/value pairs to an array.
327 String[] names = new String[ZONE_NAME_KEYS.length];
328 int ix = 0;
329 for (String nameKey : ZONE_NAME_KEYS) {
330 String name = nameMap.get(nameKey);
331 if (name == null && parentsMap != null) {
332 @SuppressWarnings("unchecked")
333 Map<String, String> parentNames = (Map<String, String>) parentsMap.get(key);
334 if (parentNames != null) {
335 name = parentNames.get(nameKey);
336 }
337 }
338 names[ix++] = name;
339 }
340 if (hasNulls(names)) {
341 String metaKey = toMetaZoneKey(key);
342 if (metaKey != null) {
343 Object obj = myMap.get(metaKey);
344 if (obj instanceof String[]) {
345 String[] metaNames = (String[]) obj;
346 for (int i = 0; i < names.length; i++) {
347 if (names[i] == null) {
348 names[i] = metaNames[i];
349 }
350 }
351 } else if (obj instanceof Map) {
352 @SuppressWarnings("unchecked")
353 Map<String, String> m = (Map<String, String>) obj;
354 for (int i = 0; i < names.length; i++) {
355 if (names[i] == null) {
356 names[i] = m.get(ZONE_NAME_KEYS[i]);
357 }
358 }
359 }
360 }
361 }
362 // replace the Map with the array
363 if (names != null) {
364 myMap.put(key, names);
365 } else {
366 it.remove();
367 }
368 }
369 }
370 // replace empty era names with parentMap era names
371 for (String key : ERA_KEYS) {
372 Object value = myMap.get(key);
373 if (value != null && value instanceof String[]) {
374 String[] eraStrings = (String[]) value;
375 for (String eraString : eraStrings) {
376 if (eraString == null || eraString.isEmpty()) {
377 fillInElements(parentsMap, key, value);
378 }
379 }
380 }
381 }
382
383 // Remove all duplicates
384 if (Objects.nonNull(parentsMap)) {
385 for (Iterator<String> it = myMap.keySet().iterator(); it.hasNext();) {
386 String key = it.next();
387 if (!key.equals("numberingScripts") && // real body "NumberElements" may differ
388 Objects.deepEquals(parentsMap.get(key), myMap.get(key))) {
389 it.remove();
390 }
391 }
392 }
393
394 targetMap = myMap;
395 return myMap;
396 }
397
398 private void handleMultipleInheritance(Map<String, Object> map, Map<String, Object> parents, String key) {
399 String formatKey = key + "/format";
400 Object format = map.get(formatKey);
401 if (format != null) {
402 map.remove(formatKey);
403 map.put(key, format);
404 if (fillInElements(parents, formatKey, format)) {
405 map.remove(key);
406 }
407 }
408 String standaloneKey = key + "/stand-alone";
409 Object standalone = map.get(standaloneKey);
410 if (standalone != null) {
411 map.remove(standaloneKey);
412 String realKey = key;
413 if (format != null) {
414 realKey = "standalone." + key;
415 }
416 map.put(realKey, standalone);
417 if (fillInElements(parents, standaloneKey, standalone)) {
418 map.remove(realKey);
419 }
420 }
421 }
422
423 /**
424 * Fills in any empty elements with its parent element. Returns true if the resulting array is
425 * identical to its parent array.
426 *
427 * @param parents
428 * @param key
429 * @param value
430 * @return true if the resulting array is identical to its parent array.
431 */
432 private boolean fillInElements(Map<String, Object> parents, String key, Object value) {
433 if (parents == null) {
434 return false;
435 }
436 if (value instanceof String[]) {
437 Object pvalue = parents.get(key);
438 if (pvalue != null && pvalue instanceof String[]) {
439 String[] strings = (String[]) value;
440 String[] pstrings = (String[]) pvalue;
441 for (int i = 0; i < strings.length; i++) {
442 if (strings[i] == null || strings[i].length() == 0) {
443 strings[i] = pstrings[i];
444 }
445 }
446 return Arrays.equals(strings, pstrings);
447 }
448 }
449 return false;
450 }
451
452 /*
453 * Adjusts String[] for era names because JRE's Calendars use different
454 * ERA value indexes in the Buddhist, Japanese Imperial, and Islamic calendars.
455 */
456 private void adjustEraNames(Map<String, Object> map, CalendarType type) {
457 String[][] eraNames = new String[ERA_KEYS.length][];
458 String[] realKeys = new String[ERA_KEYS.length];
459 int index = 0;
460 for (String key : ERA_KEYS) {
461 String realKey = type.keyElementName() + key;
462 String[] value = (String[]) map.get(realKey);
463 if (value != null) {
464 switch (type) {
465 case GREGORIAN:
466 break;
467
468 case JAPANESE:
469 {
470 String[] newValue = new String[value.length + 1];
471 String[] julianEras = (String[]) map.get(key);
472 if (julianEras != null && julianEras.length >= 2) {
473 newValue[0] = julianEras[1];
474 } else {
475 newValue[0] = "";
476 }
477 System.arraycopy(value, 0, newValue, 1, value.length);
478 value = newValue;
479 }
480 break;
481
482 case BUDDHIST:
483 // Replace the value
484 value = new String[] {"BC", value[0]};
485 break;
486
487 case ISLAMIC:
488 // Replace the value
489 value = new String[] {"", value[0]};
490 break;
491 }
492 if (!key.equals(realKey)) {
493 map.put(realKey, value);
494 }
495 }
496 realKeys[index] = realKey;
497 eraNames[index++] = value;
498 }
499 for (int i = 0; i < eraNames.length; i++) {
500 if (eraNames[i] == null) {
501 map.put(realKeys[i], null);
502 }
503 }
504 }
505
506 private void handleDateTimeFormatPatterns(String[] patternKeys, Map<String, Object> myMap, Map<String, Object> parentsMap,
507 CalendarType calendarType, String name) {
508 String calendarPrefix = calendarType.keyElementName();
509 for (String k : patternKeys) {
510 if (myMap.containsKey(calendarPrefix + k)) {
511 int len = patternKeys.length;
512 List<String> rawPatterns = new ArrayList<>(len);
513 List<String> patterns = new ArrayList<>(len);
514 for (int i = 0; i < len; i++) {
515 String key = calendarPrefix + patternKeys[i];
516 String pattern = (String) myMap.remove(key);
517 if (pattern == null) {
518 pattern = (String) parentsMap.remove(key);
519 }
520 rawPatterns.add(i, pattern);
521 if (pattern != null) {
522 patterns.add(i, translateDateFormatLetters(calendarType, pattern));
523 } else {
524 patterns.add(i, null);
525 }
526 }
527 // If patterns is empty or has any nulls, discard patterns.
528 if (patterns.isEmpty()) {
529 return;
530 }
531 String key = calendarPrefix + name;
532 if (!rawPatterns.equals(patterns)) {
533 myMap.put("java.time." + key, rawPatterns.toArray(new String[len]));
534 }
535 myMap.put(key, patterns.toArray(new String[len]));
536 break;
537 }
538 }
539 }
540
541 private String translateDateFormatLetters(CalendarType calendarType, String cldrFormat) {
542 String pattern = cldrFormat;
543 int length = pattern.length();
544 boolean inQuote = false;
545 StringBuilder jrePattern = new StringBuilder(length);
546 int count = 0;
547 char lastLetter = 0;
548
549 for (int i = 0; i < length; i++) {
550 char c = pattern.charAt(i);
551
552 if (c == '\'') {
553 // '' is treated as a single quote regardless of being
554 // in a quoted section.
555 if ((i + 1) < length) {
556 char nextc = pattern.charAt(i + 1);
557 if (nextc == '\'') {
558 i++;
559 if (count != 0) {
560 convert(calendarType, lastLetter, count, jrePattern);
561 lastLetter = 0;
562 count = 0;
563 }
564 jrePattern.append("''");
565 continue;
566 }
567 }
568 if (!inQuote) {
569 if (count != 0) {
570 convert(calendarType, lastLetter, count, jrePattern);
571 lastLetter = 0;
572 count = 0;
573 }
574 inQuote = true;
575 } else {
576 inQuote = false;
577 }
578 jrePattern.append(c);
579 continue;
580 }
581 if (inQuote) {
582 jrePattern.append(c);
583 continue;
584 }
585 if (!(c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z')) {
586 if (count != 0) {
587 convert(calendarType, lastLetter, count, jrePattern);
588 lastLetter = 0;
589 count = 0;
590 }
591 jrePattern.append(c);
592 continue;
593 }
594
595 if (lastLetter == 0 || lastLetter == c) {
596 lastLetter = c;
597 count++;
598 continue;
599 }
600 convert(calendarType, lastLetter, count, jrePattern);
601 lastLetter = c;
602 count = 1;
603 }
604
605 if (inQuote) {
606 throw new InternalError("Unterminated quote in date-time pattern: " + cldrFormat);
607 }
608
609 if (count != 0) {
610 convert(calendarType, lastLetter, count, jrePattern);
611 }
612 if (cldrFormat.contentEquals(jrePattern)) {
613 return cldrFormat;
614 }
615 return jrePattern.toString();
616 }
617
618 private String toMetaZoneKey(String tzKey) {
619 if (tzKey.startsWith(CLDRConverter.TIMEZONE_ID_PREFIX)) {
620 String tz = tzKey.substring(CLDRConverter.TIMEZONE_ID_PREFIX.length());
621 String meta = CLDRConverter.handlerMetaZones.get(tz);
622 if (meta != null) {
623 return CLDRConverter.METAZONE_ID_PREFIX + meta;
624 }
625 }
626 return null;
627 }
628
629 static List<Object[]> jreTimeZoneNames = Arrays.asList(TimeZoneNames.getContents());
630 private void fillInJREs(String key, Map<String, String> map) {
631 String tzid = null;
632
633 if (key.startsWith(CLDRConverter.METAZONE_ID_PREFIX)) {
634 // Look for tzid
635 String meta = key.substring(CLDRConverter.METAZONE_ID_PREFIX.length());
636 if (meta.equals("GMT")) {
637 tzid = meta;
638 } else {
639 for (String tz : CLDRConverter.handlerMetaZones.keySet()) {
640 if (CLDRConverter.handlerMetaZones.get(tz).equals(meta)) {
641 tzid = tz;
642 break;
643 }
644 }
645 }
646 } else {
647 tzid = key.substring(CLDRConverter.TIMEZONE_ID_PREFIX.length());
648 }
649
650 if (tzid != null) {
651 for (Object[] jreZone : jreTimeZoneNames) {
652 if (jreZone[0].equals(tzid)) {
653 for (int i = 0; i < ZONE_NAME_KEYS.length; i++) {
654 if (map.get(ZONE_NAME_KEYS[i]) == null) {
655 String[] jreNames = (String[])jreZone[1];
656 map.put(ZONE_NAME_KEYS[i], jreNames[i]);
657 }
658 }
659 break;
660 }
661 }
662 }
663 }
664
665 private void convert(CalendarType calendarType, char cldrLetter, int count, StringBuilder sb) {
666 switch (cldrLetter) {
667 case 'G':
668 if (calendarType != CalendarType.GREGORIAN) {
669 // Adjust the number of 'G's for JRE SimpleDateFormat
670 if (count == 5) {
671 // CLDR narrow -> JRE short
672 count = 1;
673 } else if (count == 1) {
674 // CLDR abbr -> JRE long
675 count = 4;
676 }
677 }
678 appendN(cldrLetter, count, sb);
679 break;
680
681 // TODO: support 'c' and 'e' in JRE SimpleDateFormat
682 // Use 'u' and 'E' for now.
683 case 'c':
684 case 'e':
685 switch (count) {
686 case 1:
687 sb.append('u');
688 break;
689 case 3:
690 case 4:
691 appendN('E', count, sb);
692 break;
693 case 5:
694 appendN('E', 3, sb);
695 break;
696 }
697 break;
698
699 case 'l':
700 // 'l' is deprecated as a pattern character. Should be ignored.
701 break;
702
703 case 'u':
704 // Use 'y' for now.
705 appendN('y', count, sb);
706 break;
707
708 case 'v':
709 case 'V':
710 appendN('z', count, sb);
711 break;
712
713 case 'Z':
714 if (count == 4 || count == 5) {
715 sb.append("XXX");
716 }
717 break;
718
719 case 'U':
720 case 'q':
721 case 'Q':
722 case 'g':
723 case 'j':
724 case 'A':
725 throw new InternalError(String.format("Unsupported letter: '%c', count=%d, id=%s%n",
726 cldrLetter, count, id));
727 default:
728 appendN(cldrLetter, count, sb);
729 break;
730 }
731 }
732
733 private void appendN(char c, int n, StringBuilder sb) {
734 for (int i = 0; i < n; i++) {
735 sb.append(c);
736 }
737 }
738
739 private static boolean hasNulls(Object[] array) {
740 for (int i = 0; i < array.length; i++) {
741 if (array[i] == null) {
742 return true;
743 }
744 }
745 return false;
746 }
747 }