source: josm/trunk/src/org/openstreetmap/josm/tools/I18n.java@ 14039

Last change on this file since 14039 was 14013, checked in by Don-vip, 6 years ago

see #16453 - fix NPE and warnings
  • Property svn:eol-style set to native
File size: 26.3 KB
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1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.tools;
3
4import java.io.BufferedInputStream;
5import java.io.File;
6import java.io.IOException;
7import java.io.InputStream;
8import java.lang.annotation.Retention;
9import java.lang.annotation.RetentionPolicy;
10import java.net.URL;
11import java.nio.charset.StandardCharsets;
12import java.nio.file.InvalidPathException;
13import java.text.MessageFormat;
14import java.util.ArrayList;
15import java.util.Arrays;
16import java.util.Collection;
17import java.util.Comparator;
18import java.util.HashMap;
19import java.util.Locale;
20import java.util.Map;
21import java.util.zip.ZipEntry;
22import java.util.zip.ZipFile;
23
24/**
25 * Internationalisation support.
26 *
27 * @author Immanuel.Scholz
28 */
29public final class I18n {
30
31 /**
32 * This annotates strings which do not permit a clean i18n. This is mostly due to strings
33 * containing two nouns which can occur in singular or plural form.
34 * <br>
35 * No behaviour is associated with this annotation.
36 */
37 @Retention(RetentionPolicy.SOURCE)
38 public @interface QuirkyPluralString {
39 }
40
41 private I18n() {
42 // Hide default constructor for utils classes
43 }
44
45 /**
46 * Enumeration of possible plural modes. It allows us to identify and implement logical conditions of
47 * plural forms defined on <a href="https://help.launchpad.net/Translations/PluralForms">Launchpad</a>.
48 * See <a href="http://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html">CLDR</a>
49 * for another complete list.
50 * @see #pluralEval
51 */
52 private enum PluralMode {
53 /** Plural = Not 1. This is the default for many languages, including English: 1 day, but 0 days or 2 days. */
54 MODE_NOTONE,
55 /** No plural. Mainly for Asian languages (Indonesian, Chinese, Japanese, ...) */
56 MODE_NONE,
57 /** Plural = Greater than 1. For some latin languages (French, Brazilian Portuguese) */
58 MODE_GREATERONE,
59 /* Special mode for
60 * <a href="http://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html#ar">Arabic</a>.*
61 MODE_AR,*/
62 /** Special mode for
63 * <a href="http://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html#cs">Czech</a>. */
64 MODE_CS,
65 /** Special mode for
66 * <a href="http://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html#pl">Polish</a>. */
67 MODE_PL,
68 /* Special mode for
69 * <a href="http://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html#ro">Romanian</a>.*
70 MODE_RO,*/
71 /** Special mode for
72 * <a href="http://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html#lt">Lithuanian</a>. */
73 MODE_LT,
74 /** Special mode for
75 * <a href="http://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html#ru">Russian</a>. */
76 MODE_RU,
77 /** Special mode for
78 * <a href="http://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html#sk">Slovak</a>. */
79 MODE_SK,
80 /* Special mode for
81 * <a href="http://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html#sl">Slovenian</a>.*
82 MODE_SL,*/
83 }
84
85 private static volatile PluralMode pluralMode = PluralMode.MODE_NOTONE; /* english default */
86 private static volatile String loadedCode = "en";
87
88 /** Map (english/locale) of singular strings **/
89 private static volatile Map<String, String> strings;
90 /** Map (english/locale) of plural strings **/
91 private static volatile Map<String, String[]> pstrings;
92 private static Locale originalLocale = Locale.getDefault();
93 private static Map<String, PluralMode> languages = new HashMap<>();
94 static {
95 //languages.put("ar", PluralMode.MODE_AR);
96 languages.put("ast", PluralMode.MODE_NOTONE);
97 languages.put("bg", PluralMode.MODE_NOTONE);
98 languages.put("be", PluralMode.MODE_RU);
99 languages.put("ca", PluralMode.MODE_NOTONE);
100 languages.put("ca@valencia", PluralMode.MODE_NOTONE);
101 languages.put("cs", PluralMode.MODE_CS);
102 languages.put("da", PluralMode.MODE_NOTONE);
103 languages.put("de", PluralMode.MODE_NOTONE);
104 languages.put("el", PluralMode.MODE_NOTONE);
105 languages.put("en_AU", PluralMode.MODE_NOTONE);
106 languages.put("en_GB", PluralMode.MODE_NOTONE);
107 languages.put("es", PluralMode.MODE_NOTONE);
108 languages.put("et", PluralMode.MODE_NOTONE);
109 //languages.put("eu", PluralMode.MODE_NOTONE);
110 languages.put("fi", PluralMode.MODE_NOTONE);
111 languages.put("fr", PluralMode.MODE_GREATERONE);
112 languages.put("gl", PluralMode.MODE_NOTONE);
113 //languages.put("he", PluralMode.MODE_NOTONE);
114 languages.put("hu", PluralMode.MODE_NOTONE);
115 languages.put("id", PluralMode.MODE_NONE);
116 //languages.put("is", PluralMode.MODE_NOTONE);
117 languages.put("it", PluralMode.MODE_NOTONE);
118 languages.put("ja", PluralMode.MODE_NONE);
119 languages.put("ko", PluralMode.MODE_NONE);
120 // fully supported only with Java 8 and later (needs CLDR)
121 languages.put("km", PluralMode.MODE_NONE);
122 languages.put("lt", PluralMode.MODE_LT);
123 languages.put("nb", PluralMode.MODE_NOTONE);
124 languages.put("nl", PluralMode.MODE_NOTONE);
125 languages.put("pl", PluralMode.MODE_PL);
126 languages.put("pt", PluralMode.MODE_NOTONE);
127 languages.put("pt_BR", PluralMode.MODE_GREATERONE);
128 //languages.put("ro", PluralMode.MODE_RO);
129 languages.put("ru", PluralMode.MODE_RU);
130 languages.put("sk", PluralMode.MODE_SK);
131 //languages.put("sl", PluralMode.MODE_SL);
132 languages.put("sv", PluralMode.MODE_NOTONE);
133 //languages.put("tr", PluralMode.MODE_NONE);
134 languages.put("uk", PluralMode.MODE_RU);
135 languages.put("vi", PluralMode.MODE_NONE);
136 languages.put("zh_CN", PluralMode.MODE_NONE);
137 languages.put("zh_TW", PluralMode.MODE_NONE);
138 }
139
140 /**
141 * Translates some text for the current locale.
142 * These strings are collected by a script that runs on the source code files.
143 * After translation, the localizations are distributed with the main program.
144 * <br>
145 * For example, <code>tr("JOSM''s default value is ''{0}''.", val)</code>.
146 * <br>
147 * Use {@link #trn} for distinguishing singular from plural text, i.e.,
148 * do not use {@code tr(size == 1 ? "singular" : "plural")} nor
149 * {@code size == 1 ? tr("singular") : tr("plural")}
150 *
151 * @param text the text to translate.
152 * Must be a string literal. (No constants or local vars.)
153 * Can be broken over multiple lines.
154 * An apostrophe ' must be quoted by another apostrophe.
155 * @param objects the parameters for the string.
156 * Mark occurrences in {@code text} with <code>{0}</code>, <code>{1}</code>, ...
157 * @return the translated string.
158 * @see #trn
159 * @see #trc
160 * @see #trnc
161 */
162 public static String tr(String text, Object... objects) {
163 if (text == null) return null;
164 return MessageFormat.format(gettext(text, null), objects);
165 }
166
167 /**
168 * Translates some text in a context for the current locale.
169 * There can be different translations for the same text within different contexts.
170 *
171 * @param context string that helps translators to find an appropriate
172 * translation for {@code text}.
173 * @param text the text to translate.
174 * @return the translated string.
175 * @see #tr
176 * @see #trn
177 * @see #trnc
178 */
179 public static String trc(String context, String text) {
180 if (context == null)
181 return tr(text);
182 if (text == null)
183 return null;
184 return MessageFormat.format(gettext(text, context), (Object) null);
185 }
186
187 public static String trcLazy(String context, String text) {
188 if (context == null)
189 return tr(text);
190 if (text == null)
191 return null;
192 return MessageFormat.format(gettextLazy(text, context), (Object) null);
193 }
194
195 /**
196 * Marks a string for translation (such that a script can harvest
197 * the translatable strings from the source files).
198 *
199 * For example, <code>
200 * String[] options = new String[] {marktr("up"), marktr("down")};
201 * lbl.setText(tr(options[0]));</code>
202 * @param text the string to be marked for translation.
203 * @return {@code text} unmodified.
204 */
205 public static String marktr(String text) {
206 return text;
207 }
208
209 public static String marktrc(String context, String text) {
210 return text;
211 }
212
213 /**
214 * Translates some text for the current locale and distinguishes between
215 * {@code singularText} and {@code pluralText} depending on {@code n}.
216 * <br>
217 * For instance, {@code trn("There was an error!", "There were errors!", i)} or
218 * <code>trn("Found {0} error in {1}!", "Found {0} errors in {1}!", i, Integer.toString(i), url)</code>.
219 *
220 * @param singularText the singular text to translate.
221 * Must be a string literal. (No constants or local vars.)
222 * Can be broken over multiple lines.
223 * An apostrophe ' must be quoted by another apostrophe.
224 * @param pluralText the plural text to translate.
225 * Must be a string literal. (No constants or local vars.)
226 * Can be broken over multiple lines.
227 * An apostrophe ' must be quoted by another apostrophe.
228 * @param n a number to determine whether {@code singularText} or {@code pluralText} is used.
229 * @param objects the parameters for the string.
230 * Mark occurrences in {@code singularText} and {@code pluralText} with <code>{0}</code>, <code>{1}</code>, ...
231 * @return the translated string.
232 * @see #tr
233 * @see #trc
234 * @see #trnc
235 */
236 public static String trn(String singularText, String pluralText, long n, Object... objects) {
237 return MessageFormat.format(gettextn(singularText, pluralText, null, n), objects);
238 }
239
240 /**
241 * Translates some text in a context for the current locale and distinguishes between
242 * {@code singularText} and {@code pluralText} depending on {@code n}.
243 * There can be different translations for the same text within different contexts.
244 *
245 * @param context string that helps translators to find an appropriate
246 * translation for {@code text}.
247 * @param singularText the singular text to translate.
248 * Must be a string literal. (No constants or local vars.)
249 * Can be broken over multiple lines.
250 * An apostrophe ' must be quoted by another apostrophe.
251 * @param pluralText the plural text to translate.
252 * Must be a string literal. (No constants or local vars.)
253 * Can be broken over multiple lines.
254 * An apostrophe ' must be quoted by another apostrophe.
255 * @param n a number to determine whether {@code singularText} or {@code pluralText} is used.
256 * @param objects the parameters for the string.
257 * Mark occurrences in {@code singularText} and {@code pluralText} with <code>{0}</code>, <code>{1}</code>, ...
258 * @return the translated string.
259 * @see #tr
260 * @see #trc
261 * @see #trn
262 */
263 public static String trnc(String context, String singularText, String pluralText, long n, Object... objects) {
264 return MessageFormat.format(gettextn(singularText, pluralText, context, n), objects);
265 }
266
267 private static String gettext(String text, String ctx, boolean lazy) {
268 int i;
269 if (ctx == null && text.startsWith("_:") && (i = text.indexOf('\n')) >= 0) {
270 ctx = text.substring(2, i-1);
271 text = text.substring(i+1);
272 }
273 if (strings != null) {
274 String trans = strings.get(ctx == null ? text : "_:"+ctx+'\n'+text);
275 if (trans != null)
276 return trans;
277 }
278 if (pstrings != null) {
279 i = pluralEval(1);
280 String[] trans = pstrings.get(ctx == null ? text : "_:"+ctx+'\n'+text);
281 if (trans != null && trans.length > i)
282 return trans[i];
283 }
284 return lazy ? gettext(text, null) : text;
285 }
286
287 private static String gettext(String text, String ctx) {
288 return gettext(text, ctx, false);
289 }
290
291 /* try without context, when context try fails */
292 private static String gettextLazy(String text, String ctx) {
293 return gettext(text, ctx, true);
294 }
295
296 private static String gettextn(String text, String plural, String ctx, long num) {
297 int i;
298 if (ctx == null && text.startsWith("_:") && (i = text.indexOf('\n')) >= 0) {
299 ctx = text.substring(2, i-1);
300 text = text.substring(i+1);
301 }
302 if (pstrings != null) {
303 i = pluralEval(num);
304 String[] trans = pstrings.get(ctx == null ? text : "_:"+ctx+'\n'+text);
305 if (trans != null && trans.length > i)
306 return trans[i];
307 }
308
309 return num == 1 ? text : plural;
310 }
311
312 public static String escape(String msg) {
313 if (msg == null) return null;
314 return msg.replace("\'", "\'\'").replace("{", "\'{\'").replace("}", "\'}\'");
315 }
316
317 private static URL getTranslationFile(String lang) {
318 return I18n.class.getResource("/data/"+lang.replace('@', '-')+".lang");
319 }
320
321 /**
322 * Get a list of all available JOSM Translations.
323 * @return an array of locale objects.
324 */
325 public static Locale[] getAvailableTranslations() {
326 Collection<Locale> v = new ArrayList<>(languages.size());
327 if (getTranslationFile("en") != null) {
328 for (String loc : languages.keySet()) {
329 if (getTranslationFile(loc) != null) {
330 v.add(LanguageInfo.getLocale(loc));
331 }
332 }
333 }
334 v.add(Locale.ENGLISH);
335 Locale[] l = new Locale[v.size()];
336 l = v.toArray(l);
337 Arrays.sort(l, Comparator.comparing(Locale::toString));
338 return l;
339 }
340
341 /**
342 * Determines if a language exists for the given code.
343 * @param code The language code
344 * @return {@code true} if a language exists, {@code false} otherwise
345 */
346 public static boolean hasCode(String code) {
347 return languages.containsKey(code);
348 }
349
350 static void setupJavaLocaleProviders() {
351 // Look up SPI providers first (for JosmDecimalFormatSymbolsProvider).
352 // Enable CLDR locale provider on Java 8 to get additional languages, such as Khmer.
353 // http://docs.oracle.com/javase/8/docs/technotes/guides/intl/enhancements.8.html#cldr
354 // FIXME: This must be updated after we switch to Java 9.
355 // See https://docs.oracle.com/javase/9/docs/api/java/util/spi/LocaleServiceProvider.html
356 try {
357 // Don't call Utils.updateSystemProperty to avoid spurious log at startup
358 System.setProperty("java.locale.providers", "SPI,JRE,CLDR");
359 } catch (SecurityException e) {
360 // Don't call Logging class, it may not be fully initialized yet
361 System.err.println("Unable to set locale providers: " + e.getMessage());
362 }
363 }
364
365 /**
366 * I18n initialization.
367 */
368 public static void init() {
369 setupJavaLocaleProviders();
370
371 /* try initial language settings, may be changed later again */
372 if (!load(LanguageInfo.getJOSMLocaleCode())) {
373 Locale.setDefault(Locale.ENGLISH);
374 }
375 }
376
377 /**
378 * I18n initialization for plugins.
379 * @param source file path/name of the JAR or Zip file containing translation strings
380 * @since 4159
381 */
382 public static void addTexts(File source) {
383 if ("en".equals(loadedCode))
384 return;
385 final ZipEntry enfile = new ZipEntry("data/en.lang");
386 final ZipEntry langfile = new ZipEntry("data/"+loadedCode+".lang");
387 try (
388 ZipFile zipFile = new ZipFile(source, StandardCharsets.UTF_8);
389 InputStream orig = zipFile.getInputStream(enfile);
390 InputStream trans = zipFile.getInputStream(langfile)
391 ) {
392 if (orig != null && trans != null)
393 load(orig, trans, true);
394 } catch (IOException | InvalidPathException e) {
395 Logging.trace(e);
396 }
397 }
398
399 private static boolean load(String l) {
400 if ("en".equals(l) || "en_US".equals(l)) {
401 strings = null;
402 pstrings = null;
403 loadedCode = "en";
404 pluralMode = PluralMode.MODE_NOTONE;
405 return true;
406 }
407 URL en = getTranslationFile("en");
408 if (en == null)
409 return false;
410 URL tr = getTranslationFile(l);
411 if (tr == null || !languages.containsKey(l)) {
412 return false;
413 }
414 try (
415 InputStream enStream = Utils.openStream(en);
416 InputStream trStream = Utils.openStream(tr)
417 ) {
418 if (load(enStream, trStream, false)) {
419 pluralMode = languages.get(l);
420 loadedCode = l;
421 return true;
422 }
423 } catch (IOException e) {
424 // Ignore exception
425 Logging.trace(e);
426 }
427 return false;
428 }
429
430 private static boolean load(InputStream en, InputStream tr, boolean add) {
431 Map<String, String> s;
432 Map<String, String[]> p;
433 if (add) {
434 s = strings;
435 p = pstrings;
436 } else {
437 s = new HashMap<>();
438 p = new HashMap<>();
439 }
440 /* file format:
441 Files are always a group. English file and translated file must provide identical datasets.
442
443 for all single strings:
444 {
445 unsigned short (2 byte) stringlength
446 - length 0 indicates missing translation
447 - length 0xFFFE indicates translation equal to original, but otherwise is equal to length 0
448 string
449 }
450 unsigned short (2 byte) 0xFFFF (marks end of single strings)
451 for all multi strings:
452 {
453 unsigned char (1 byte) stringcount
454 - count 0 indicates missing translations
455 - count 0xFE indicates translations equal to original, but otherwise is equal to length 0
456 for stringcount
457 unsigned short (2 byte) stringlength
458 string
459 }
460 */
461 try {
462 InputStream ens = new BufferedInputStream(en);
463 InputStream trs = new BufferedInputStream(tr);
464 byte[] enlen = new byte[2];
465 byte[] trlen = new byte[2];
466 boolean multimode = false;
467 byte[] str = new byte[4096];
468 for (;;) {
469 if (multimode) {
470 int ennum = ens.read();
471 int trnum = trs.read();
472 if (trnum == 0xFE) /* marks identical string, handle equally to non-translated */
473 trnum = 0;
474 if ((ennum == -1 && trnum != -1) || (ennum != -1 && trnum == -1)) /* files do not match */
475 return false;
476 if (ennum == -1) {
477 break;
478 }
479 String[] enstrings = new String[ennum];
480 for (int i = 0; i < ennum; ++i) {
481 int val = ens.read(enlen);
482 if (val != 2) /* file corrupt */
483 return false;
484 val = (enlen[0] < 0 ? 256+enlen[0] : enlen[0])*256+(enlen[1] < 0 ? 256+enlen[1] : enlen[1]);
485 if (val > str.length) {
486 str = new byte[val];
487 }
488 int rval = ens.read(str, 0, val);
489 if (rval != val) /* file corrupt */
490 return false;
491 enstrings[i] = new String(str, 0, val, StandardCharsets.UTF_8);
492 }
493 String[] trstrings = new String[trnum];
494 for (int i = 0; i < trnum; ++i) {
495 int val = trs.read(trlen);
496 if (val != 2) /* file corrupt */
497 return false;
498 val = (trlen[0] < 0 ? 256+trlen[0] : trlen[0])*256+(trlen[1] < 0 ? 256+trlen[1] : trlen[1]);
499 if (val > str.length) {
500 str = new byte[val];
501 }
502 int rval = trs.read(str, 0, val);
503 if (rval != val) /* file corrupt */
504 return false;
505 trstrings[i] = new String(str, 0, val, StandardCharsets.UTF_8);
506 }
507 if (trnum > 0 && !p.containsKey(enstrings[0])) {
508 p.put(enstrings[0], trstrings);
509 }
510 } else {
511 int enval = ens.read(enlen);
512 int trval = trs.read(trlen);
513 if (enval != trval) /* files do not match */
514 return false;
515 if (enval == -1) {
516 break;
517 }
518 if (enval != 2) /* files corrupt */
519 return false;
520 enval = (enlen[0] < 0 ? 256+enlen[0] : enlen[0])*256+(enlen[1] < 0 ? 256+enlen[1] : enlen[1]);
521 trval = (trlen[0] < 0 ? 256+trlen[0] : trlen[0])*256+(trlen[1] < 0 ? 256+trlen[1] : trlen[1]);
522 if (trval == 0xFFFE) /* marks identical string, handle equally to non-translated */
523 trval = 0;
524 if (enval == 0xFFFF) {
525 multimode = true;
526 if (trval != 0xFFFF) /* files do not match */
527 return false;
528 } else {
529 if (enval > str.length) {
530 str = new byte[enval];
531 }
532 if (trval > str.length) {
533 str = new byte[trval];
534 }
535 int val = ens.read(str, 0, enval);
536 if (val != enval) /* file corrupt */
537 return false;
538 String enstr = new String(str, 0, enval, StandardCharsets.UTF_8);
539 if (trval != 0) {
540 val = trs.read(str, 0, trval);
541 if (val != trval) /* file corrupt */
542 return false;
543 String trstr = new String(str, 0, trval, StandardCharsets.UTF_8);
544 if (!s.containsKey(enstr))
545 s.put(enstr, trstr);
546 }
547 }
548 }
549 }
550 } catch (IOException e) {
551 Logging.trace(e);
552 return false;
553 }
554 if (!s.isEmpty()) {
555 strings = s;
556 pstrings = p;
557 return true;
558 }
559 return false;
560 }
561
562 /**
563 * Sets the default locale (see {@link Locale#setDefault(Locale)} to the local
564 * given by <code>localName</code>.
565 *
566 * Ignored if localeName is null. If the locale with name <code>localName</code>
567 * isn't found the default local is set to <code>en</code> (english).
568 *
569 * @param localeName the locale name. Ignored if null.
570 */
571 public static void set(String localeName) {
572 if (localeName != null) {
573 Locale l = LanguageInfo.getLocale(localeName);
574 if (load(LanguageInfo.getJOSMLocaleCode(l))) {
575 Locale.setDefault(l);
576 } else {
577 if (!"en".equals(l.getLanguage())) {
578 Logging.info(tr("Unable to find translation for the locale {0}. Reverting to {1}.",
579 LanguageInfo.getDisplayName(l), LanguageInfo.getDisplayName(Locale.getDefault())));
580 } else {
581 strings = null;
582 pstrings = null;
583 }
584 }
585 }
586 }
587
588 private static int pluralEval(long n) {
589 switch(pluralMode) {
590 case MODE_NOTONE: /* bg, da, de, el, en, en_GB, es, et, eu, fi, gl, is, it, iw_IL, nb, nl, sv */
591 return (n != 1) ? 1 : 0;
592 case MODE_NONE: /* id, vi, ja, km, tr, zh_CN, zh_TW */
593 return 0;
594 case MODE_GREATERONE: /* fr, pt_BR */
595 return (n > 1) ? 1 : 0;
596 case MODE_CS:
597 return (n == 1) ? 0 : (((n >= 2) && (n <= 4)) ? 1 : 2);
598 //case MODE_AR:
599 // return ((n == 0) ? 0 : ((n == 1) ? 1 : ((n == 2) ? 2 : ((((n % 100) >= 3)
600 // && ((n % 100) <= 10)) ? 3 : ((((n % 100) >= 11) && ((n % 100) <= 99)) ? 4 : 5)))));
601 case MODE_PL:
602 return (n == 1) ? 0 : (((((n % 10) >= 2) && ((n % 10) <= 4))
603 && (((n % 100) < 10) || ((n % 100) >= 20))) ? 1 : 2);
604 //case MODE_RO:
605 // return ((n == 1) ? 0 : ((((n % 100) > 19) || (((n % 100) == 0) && (n != 0))) ? 2 : 1));
606 case MODE_LT:
607 return ((n % 10) == 1) && ((n % 100) != 11) ? 0 : (((n % 10) >= 2)
608 && (((n % 100) < 10) || ((n % 100) >= 20)) ? 1 : 2);
609 case MODE_RU:
610 return (((n % 10) == 1) && ((n % 100) != 11)) ? 0 : (((((n % 10) >= 2)
611 && ((n % 10) <= 4)) && (((n % 100) < 10) || ((n % 100) >= 20))) ? 1 : 2);
612 case MODE_SK:
613 return (n == 1) ? 1 : (((n >= 2) && (n <= 4)) ? 2 : 0);
614 //case MODE_SL:
615 // return (((n % 100) == 1) ? 1 : (((n % 100) == 2) ? 2 : ((((n % 100) == 3)
616 // || ((n % 100) == 4)) ? 3 : 0)));
617 }
618 return 0;
619 }
620
621 /**
622 * Returns the map of singular translations.
623 * @return the map of singular translations.
624 * @since 13761
625 */
626 public static Map<String, String> getSingularTranslations() {
627 return new HashMap<>(strings);
628 }
629
630 /**
631 * Returns the map of plural translations.
632 * @return the map of plural translations.
633 * @since 13761
634 */
635 public static Map<String, String[]> getPluralTranslations() {
636 return new HashMap<>(pstrings);
637 }
638
639 /**
640 * Returns the original default locale found when the JVM started.
641 * Used to guess real language/country of current user disregarding language chosen in JOSM preferences.
642 * @return the original default locale found when the JVM started
643 * @since 14013
644 */
645 public static Locale getOriginalLocale() {
646 return originalLocale;
647 }
648}
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