Source Code Cross Referenced for Numberer_en.java in  » XML » saxonb » net » sf » saxon » number » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » XML » saxonb » net.sf.saxon.number 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package net.sf.saxon.number;
002:
003:        import net.sf.saxon.om.FastStringBuffer;
004:        import net.sf.saxon.value.DateTimeValue;
005:
006:        import java.io.Serializable;
007:        import java.util.HashMap;
008:        import java.util.List;
009:        import java.util.ArrayList;
010:
011:        /**
012:         * Class Numberer_en does number formatting for language="en".
013:         * This supports the xsl:number element.
014:         * Methods and data are declared as protected, and static is avoided, to allow easy subclassing.
015:         * @author Michael H. Kay
016:         */
017:
018:        public class Numberer_en implements  Numberer, Serializable {
019:
020:            private String country;
021:
022:            public static final int UPPER_CASE = 0;
023:            public static final int LOWER_CASE = 1;
024:            public static final int TITLE_CASE = 2;
025:
026:            /**
027:             * Set the country used by this numberer (currenly used only for names of timezones)
028:             */
029:
030:            public void setCountry(String country) {
031:                this .country = country;
032:            }
033:
034:            /**
035:             * Format a number into a string
036:             * @param number The number to be formatted
037:             * @param picture The format token. This is a single component of the format attribute
038:             * of xsl:number, e.g. "1", "01", "i", or "a"
039:             * @param groupSize number of digits per group (0 implies no grouping)
040:             * @param groupSeparator string to appear between groups of digits
041:             * @param letterValue The letter-value specified to xsl:number: "alphabetic" or
042:             * "traditional". Can also be an empty string or null.
043:             * @param ordinal The value of the ordinal attribute specified to xsl:number
044:             * The value "yes" indicates that ordinal numbers should be used; "" or null indicates
045:             * that cardinal numbers
046:             * @return the formatted number. Note that no errors are reported; if the request
047:             * is invalid, the number is formatted as if the string() function were used.
048:             */
049:
050:            public String format(long number, String picture, int groupSize,
051:                    String groupSeparator, String letterValue, String ordinal) {
052:
053:                if (number < 0) {
054:                    return "" + number;
055:                }
056:                if (picture == null || picture.length() == 0) {
057:                    return "" + number;
058:                }
059:
060:                FastStringBuffer sb = new FastStringBuffer(16);
061:                char formchar = picture.charAt(0);
062:
063:                switch (formchar) {
064:
065:                case '0':
066:                case '1':
067:                    sb.append(toRadical(number, westernDigits, picture,
068:                            groupSize, groupSeparator));
069:                    if (ordinal != null && ordinal.length() > 0) {
070:                        sb.append(ordinalSuffix(ordinal, number));
071:                    }
072:                    break;
073:
074:                case 'A':
075:                    if (number == 0)
076:                        return "0";
077:                    sb.append(toAlphaSequence(number, latinUpper));
078:                    break;
079:
080:                case 'a':
081:                    if (number == 0)
082:                        return "0";
083:                    sb.append(toAlphaSequence(number, latinLower));
084:                    break;
085:
086:                case 'w':
087:                case 'W':
088:                    int wordCase;
089:                    if (picture.equals("W")) {
090:                        wordCase = UPPER_CASE;
091:                    } else if (picture.equals("w")) {
092:                        wordCase = LOWER_CASE;
093:                    } else {
094:                        wordCase = TITLE_CASE;
095:                    }
096:                    if (ordinal != null && ordinal.length() > 0) {
097:                        sb.append(toOrdinalWords(ordinal, number, wordCase));
098:
099:                    } else {
100:                        sb.append(toWords(number, wordCase));
101:                    }
102:                    break;
103:
104:                case 'i':
105:                    if (number == 0)
106:                        return "0";
107:                    if (letterValue == null || letterValue.equals("")
108:                            || letterValue.equals("traditional")) {
109:                        sb.append(toRoman(number));
110:                    } else {
111:                        alphaDefault(number, formchar, sb);
112:                    }
113:                    break;
114:
115:                case 'I':
116:                    if (number == 0)
117:                        return "0";
118:                    if (letterValue == null || letterValue.equals("")
119:                            || letterValue.equals("traditional")) {
120:                        sb.append(toRoman(number).toUpperCase());
121:                    } else {
122:                        alphaDefault(number, formchar, sb);
123:                    }
124:                    break;
125:
126:                case '\u0391':
127:                    if (number == 0)
128:                        return "0";
129:                    sb.append(toAlphaSequence(number, greekUpper));
130:                    break;
131:
132:                case '\u03b1':
133:                    if (number == 0)
134:                        return "0";
135:                    sb.append(toAlphaSequence(number, greekLower));
136:                    break;
137:
138:                case '\u0410':
139:                    if (number == 0)
140:                        return "0";
141:                    sb.append(toAlphaSequence(number, cyrillicUpper));
142:                    break;
143:
144:                case '\u0430':
145:                    if (number == 0)
146:                        return "0";
147:                    sb.append(toAlphaSequence(number, cyrillicLower));
148:                    break;
149:
150:                case '\u05d0':
151:                    if (number == 0)
152:                        return "0";
153:                    sb.append(toAlphaSequence(number, hebrew));
154:                    break;
155:
156:                case '\u3042':
157:                    if (number == 0)
158:                        return "0";
159:                    sb.append(toAlphaSequence(number, hiraganaA));
160:                    break;
161:
162:                case '\u30a2':
163:                    if (number == 0)
164:                        return "0";
165:                    sb.append(toAlphaSequence(number, katakanaA));
166:                    break;
167:
168:                case '\u3044':
169:                    if (number == 0)
170:                        return "0";
171:                    sb.append(toAlphaSequence(number, hiraganaI));
172:                    break;
173:
174:                case '\u30a4':
175:                    if (number == 0)
176:                        return "0";
177:                    sb.append(toAlphaSequence(number, katakanaI));
178:                    break;
179:
180:                case '\u4e00':
181:                    if (number == 0)
182:                        return "0";
183:                    sb.append(toRadical(number, kanjiDigits, picture,
184:                            groupSize, groupSeparator));
185:                    break;
186:
187:                default:
188:
189:                    if (Character.isDigit(formchar)) {
190:
191:                        int zero = (int) formchar
192:                                - Character.getNumericValue(formchar);
193:                        String digits = "" + (char) (zero) + (char) (zero + 1)
194:                                + (char) (zero + 2) + (char) (zero + 3)
195:                                + (char) (zero + 4) + (char) (zero + 5)
196:                                + (char) (zero + 6) + (char) (zero + 7)
197:                                + (char) (zero + 8) + (char) (zero + 9);
198:
199:                        sb.append(toRadical(number, digits, picture, groupSize,
200:                                groupSeparator));
201:                        break;
202:
203:                    } else {
204:                        if (number == 0)
205:                            return "0";
206:                        if (formchar < '\u1100') {
207:                            alphaDefault(number, formchar, sb);
208:                        } else {
209:                            // fallback to western numbering
210:                            sb.append(toRadical(number, westernDigits, picture,
211:                                    groupSize, groupSeparator));
212:                        }
213:                        break;
214:
215:                    }
216:                }
217:
218:                return sb.toString();
219:            }
220:
221:            /**
222:             * Construct the ordinal suffix for a number, for example "st", "nd", "rd"
223:             * @param ordinalParam the value of the ordinal attribute (used in non-English
224:             * language implementations)
225:             * @param number the number being formatted
226:             * @return the ordinal suffix to be appended to the formatted number
227:             */
228:
229:            protected String ordinalSuffix(String ordinalParam, long number) {
230:                int penult = ((int) (number % 100)) / 10;
231:                int ult = (int) (number % 10);
232:                if (penult == 1) {
233:                    // e.g. 11th, 12th, 13th
234:                    return "th";
235:                } else {
236:                    if (ult == 1) {
237:                        return "st";
238:                    } else if (ult == 2) {
239:                        return "nd";
240:                    } else if (ult == 3) {
241:                        return "rd";
242:                    } else {
243:                        return "th";
244:                    }
245:                }
246:            }
247:
248:            protected static final String westernDigits = "0123456789";
249:
250:            protected static final String latinUpper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
251:
252:            protected static final String latinLower = "abcdefghijklmnopqrstuvwxyz";
253:
254:            protected static final String greekUpper = "\u0391\u0392\u0393\u0394\u0395\u0396\u0397\u0398\u0399\u039a"
255:                    + "\u039b\u039c\u039c\u039d\u039e\u039f\u03a0\u03a1\u03a3\u03a4"
256:                    + "\u03a5\u03a6\u03a7\u03a8\u03a9";
257:
258:            protected static final String greekLower = "\u03b1\u03b2\u03b3\u03b4\u03b5\u03b6\u03b7\u03b8\u03b9\u03ba"
259:                    + "\u03bb\u03bc\u03bc\u03bd\u03be\u03bf\u03c0\u03c1\u03c3\u03c4"
260:                    + "\u03c5\u03c6\u03c7\u03c8\u03c9";
261:
262:            // Cyrillic information from Dmitry Kirsanov [dmitry@kirsanov.com]
263:            // (based on his personal knowledge of Russian texts, not any authoritative source)
264:
265:            protected static final String cyrillicUpper = "\u0410\u0411\u0412\u0413\u0414\u0415\u0416\u0417\u0418"
266:                    + "\u041a\u041b\u041c\u041d\u041e\u041f\u0420\u0421\u0421\u0423"
267:                    + "\u0424\u0425\u0426\u0427\u0428\u0429\u042b\u042d\u042e\u042f";
268:
269:            protected static final String cyrillicLower = "\u0430\u0431\u0432\u0433\u0434\u0435\u0436\u0437\u0438"
270:                    + "\u043a\u043b\u043c\u043d\u043e\u043f\u0440\u0441\u0441\u0443"
271:                    + "\u0444\u0445\u0446\u0447\u0448\u0449\u044b\u044d\u044e\u044f";
272:
273:            protected static final String hebrew = "\u05d0\u05d1\u05d2\u05d3\u05d4\u05d5\u05d6\u05d7\u05d8\u05d9\u05db\u05dc"
274:                    + "\u05de\u05e0\u05e1\u05e2\u05e4\u05e6\u05e7\u05e8\u05e9\u05ea";
275:
276:            // The following Japanese sequences were supplied by
277:            // MURAKAMI Shinyu [murakami@nadita.com]
278:
279:            protected static final String hiraganaA = "\u3042\u3044\u3046\u3048\u304a\u304b\u304d\u304f\u3051\u3053"
280:                    + "\u3055\u3057\u3059\u305b\u305d\u305f\u3061\u3064\u3066\u3068"
281:                    + "\u306a\u306b\u306c\u306d\u306e\u306f\u3072\u3075\u3078\u307b"
282:                    + "\u307e\u307f\u3080\u3081\u3082\u3084\u3086\u3088\u3089\u308a"
283:                    + "\u308b\u308c\u308d\u308f\u3092\u3093";
284:
285:            protected static final String katakanaA =
286:
287:            "\u30a2\u30a4\u30a6\u30a8\u30aa\u30ab\u30ad\u30af\u30b1\u30b3"
288:                    + "\u30b5\u30b7\u30b9\u30bb\u30bd\u30bf\u30c1\u30c4\u30c6\u30c8"
289:                    + "\u30ca\u30cb\u30cc\u30cd\u30ce\u30cf\u30d2\u30d5\u30d8\u30db"
290:                    + "\u30de\u30df\u30e0\u30e1\u30e2\u30e4\u30e6\u30e8\u30e9\u30ea"
291:                    + "\u30eb\u30ec\u30ed\u30ef\u30f2\u30f3";
292:
293:            protected static final String hiraganaI =
294:
295:            "\u3044\u308d\u306f\u306b\u307b\u3078\u3068\u3061\u308a\u306c"
296:                    + "\u308b\u3092\u308f\u304b\u3088\u305f\u308c\u305d\u3064\u306d"
297:                    + "\u306a\u3089\u3080\u3046\u3090\u306e\u304a\u304f\u3084\u307e"
298:                    + "\u3051\u3075\u3053\u3048\u3066\u3042\u3055\u304d\u3086\u3081"
299:                    + "\u307f\u3057\u3091\u3072\u3082\u305b\u3059";
300:
301:            protected static final String katakanaI =
302:
303:            "\u30a4\u30ed\u30cf\u30cb\u30db\u30d8\u30c8\u30c1\u30ea\u30cc"
304:                    + "\u30eb\u30f2\u30ef\u30ab\u30e8\u30bf\u30ec\u30bd\u30c4\u30cd"
305:                    + "\u30ca\u30e9\u30e0\u30a6\u30f0\u30ce\u30aa\u30af\u30e4\u30de"
306:                    + "\u30b1\u30d5\u30b3\u30a8\u30c6\u30a2\u30b5\u30ad\u30e6\u30e1"
307:                    + "\u30df\u30b7\u30f1\u30d2\u30e2\u30bb\u30b9";
308:
309:            protected static final String kanjiDigits = "\u3007\u4e00\u4e8c\u4e09\u56db\u4e94\u516d\u4e03\u516b\u4e5d";
310:
311:            /**
312:             * Default processing with an alphabetic format token: use the contiguous
313:             * range of Unicode letters starting with that token.
314:             */
315:
316:            protected void alphaDefault(long number, char formchar,
317:                    FastStringBuffer sb) {
318:                int min = (int) formchar;
319:                int max = (int) formchar;
320:                // use the contiguous range of letters starting with the specified one
321:                while (Character.isLetterOrDigit((char) (max + 1))) {
322:                    max++;
323:                }
324:                sb.append(toAlpha(number, min, max));
325:            }
326:
327:            /**
328:             * Format the number as an alphabetic label using the alphabet consisting
329:             * of consecutive Unicode characters from min to max
330:             */
331:
332:            protected String toAlpha(long number, int min, int max) {
333:                if (number <= 0)
334:                    return "" + number;
335:                int range = max - min + 1;
336:                char last = (char) (((number - 1) % range) + min);
337:                if (number > range) {
338:                    return toAlpha((number - 1) / range, min, max) + last;
339:                } else {
340:                    return "" + last;
341:                }
342:            }
343:
344:            /**
345:             * Convert the number into an alphabetic label using a given alphabet.
346:             * For example, if the alphabet is "xyz" the sequence is x, y, z, xx, xy, xz, ....
347:             */
348:
349:            protected String toAlphaSequence(long number, String alphabet) {
350:                if (number <= 0)
351:                    return "" + number;
352:                int range = alphabet.length();
353:                char last = alphabet.charAt((int) ((number - 1) % range));
354:                if (number > range) {
355:                    return toAlphaSequence((number - 1) / range, alphabet)
356:                            + last;
357:                } else {
358:                    return "" + last;
359:                }
360:            }
361:
362:            /**
363:             * Convert the number into a decimal or other representation using the given set of
364:             * digits.
365:             * For example, if the digits are "01" the sequence is 1, 10, 11, 100, 101, 110, 111, ...
366:             * More commonly, the digits will be "0123456789", giving the usual decimal numbering.
367:             * @param number the number to be formatted
368:             * @param digits the set of digits to be used
369:             * @param picture the formatting token, for example 001 means include leading zeroes to give at least
370:             * three decimal places. In practice, it is only the length of the picture that is significant: a
371:             * picture of "999" gives the same results as "001". (This isn't what a strict reading of the spec
372:             * suggests should happen, but it seems a reasonable fallback in practice.)
373:             * @param groupSize the number of digits in each group
374:             * @param groupSeparator the separator to use between groups of digits.
375:             */
376:
377:            private String toRadical(long number, String digits,
378:                    String picture, int groupSize, String groupSeparator) {
379:
380:                FastStringBuffer sb = new FastStringBuffer(16);
381:                FastStringBuffer temp = new FastStringBuffer(16);
382:                int base = digits.length();
383:
384:                String s = "";
385:                long n = number;
386:                while (n > 0) {
387:                    s = digits.charAt((int) (n % base)) + s;
388:                    n = n / base;
389:                }
390:
391:                for (int i = 0; i < (picture.length() - s.length()); i++) {
392:                    temp.append(digits.charAt(0));
393:                }
394:                temp.append(s);
395:
396:                if (groupSize > 0) {
397:                    for (int i = 0; i < temp.length(); i++) {
398:                        if (i != 0 && ((temp.length() - i) % groupSize) == 0) {
399:                            sb.append(groupSeparator);
400:                        }
401:                        sb.append(temp.charAt(i));
402:                    }
403:                } else {
404:                    sb = temp;
405:                }
406:
407:                return sb.toString();
408:            }
409:
410:            /**
411:             * Generate a Roman numeral (in lower case)
412:             */
413:
414:            public static String toRoman(long n) {
415:                if (n <= 0 || n > 9999)
416:                    return "" + n;
417:                return romanThousands[(int) n / 1000]
418:                        + romanHundreds[((int) n / 100) % 10]
419:                        + romanTens[((int) n / 10) % 10]
420:                        + romanUnits[(int) n % 10];
421:            }
422:
423:            // Roman numbers beyond 4000 use overlining and other conventions which we won't
424:            // attempt to reproduce. We'll go high enough to handle present-day Gregorian years.
425:
426:            private static String[] romanThousands = { "", "m", "mm", "mmm",
427:                    "mmmm", "mmmmm", "mmmmmm", "mmmmmmm", "mmmmmmmm",
428:                    "mmmmmmmmm" };
429:            private static String[] romanHundreds = { "", "c", "cc", "ccc",
430:                    "cd", "d", "dc", "dcc", "dccc", "cm" };
431:            private static String[] romanTens = { "", "x", "xx", "xxx", "xl",
432:                    "l", "lx", "lxx", "lxxx", "xc" };
433:            private static String[] romanUnits = { "", "i", "ii", "iii", "iv",
434:                    "v", "vi", "vii", "viii", "ix" };
435:
436:            /**
437:             * Show the number as words in title case. (We choose title case because
438:             * the result can then be converted algorithmically to lower case or upper case).
439:             */
440:
441:            public String toWords(long number) {
442:                if (number >= 1000000000) {
443:                    long rem = number % 1000000000;
444:                    return toWords(number / 1000000000)
445:                            + " Billion"
446:                            + (rem == 0 ? "" : (rem < 100 ? " and " : " ")
447:                                    + toWords(rem));
448:                } else if (number >= 1000000) {
449:                    long rem = number % 1000000;
450:                    return toWords(number / 1000000)
451:                            + " Million"
452:                            + (rem == 0 ? "" : (rem < 100 ? " and " : " ")
453:                                    + toWords(rem));
454:                } else if (number >= 1000) {
455:                    long rem = number % 1000;
456:                    return toWords(number / 1000)
457:                            + " Thousand"
458:                            + (rem == 0 ? "" : (rem < 100 ? " and " : " ")
459:                                    + toWords(rem));
460:                } else if (number >= 100) {
461:                    long rem = number % 100;
462:                    return toWords(number / 100) + " Hundred"
463:                            + (rem == 0 ? "" : " and " + toWords(rem));
464:                } else {
465:                    if (number < 20)
466:                        return englishUnits[(int) number];
467:                    int rem = (int) (number % 10);
468:                    return englishTens[(int) number / 10]
469:                            + (rem == 0 ? "" : ' ' + englishUnits[rem]);
470:                }
471:            }
472:
473:            public String toWords(long number, int wordCase) {
474:                String s;
475:                if (number == 0) {
476:                    s = "Zero";
477:                } else {
478:                    s = toWords(number);
479:                }
480:                if (wordCase == UPPER_CASE) {
481:                    return s.toUpperCase();
482:                } else if (wordCase == LOWER_CASE) {
483:                    return s.toLowerCase();
484:                } else {
485:                    return s;
486:                }
487:            }
488:
489:            /**
490:             * Show an ordinal number as English words in a requested case (for example, Twentyfirst)
491:             */
492:
493:            public String toOrdinalWords(String ordinalParam, long number,
494:                    int wordCase) {
495:                String s;
496:                if (number >= 1000000000) {
497:                    long rem = number % 1000000000;
498:                    s = toWords(number / 1000000000)
499:                            + " Billion"
500:                            + (rem == 0 ? "th" : (rem < 100 ? " and " : " ")
501:                                    + toOrdinalWords(ordinalParam, rem,
502:                                            wordCase));
503:                } else if (number >= 1000000) {
504:                    long rem = number % 1000000;
505:                    s = toWords(number / 1000000)
506:                            + " Million"
507:                            + (rem == 0 ? "th" : (rem < 100 ? " and " : " ")
508:                                    + toOrdinalWords(ordinalParam, rem,
509:                                            wordCase));
510:                } else if (number >= 1000) {
511:                    long rem = number % 1000;
512:                    s = toWords(number / 1000)
513:                            + " Thousand"
514:                            + (rem == 0 ? "th" : (rem < 100 ? " and " : " ")
515:                                    + toOrdinalWords(ordinalParam, rem,
516:                                            wordCase));
517:                } else if (number >= 100) {
518:                    long rem = number % 100;
519:                    s = toWords(number / 100)
520:                            + " Hundred"
521:                            + (rem == 0 ? "th" : " and "
522:                                    + toOrdinalWords(ordinalParam, rem,
523:                                            wordCase));
524:                } else {
525:                    if (number < 20) {
526:                        s = englishOrdinalUnits[(int) number];
527:                    } else {
528:                        int rem = (int) (number % 10);
529:                        if (rem == 0) {
530:                            s = englishOrdinalTens[(int) number / 10];
531:                        } else {
532:                            s = englishTens[(int) number / 10] + '-'
533:                                    + englishOrdinalUnits[rem];
534:                        }
535:                    }
536:                }
537:                if (wordCase == UPPER_CASE) {
538:                    return s.toUpperCase();
539:                } else if (wordCase == LOWER_CASE) {
540:                    return s.toLowerCase();
541:                } else {
542:                    return s;
543:                }
544:            }
545:
546:            private static String[] englishUnits = { "", "One", "Two", "Three",
547:                    "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten",
548:                    "Eleven", "Twelve", "Thirteen", "Fourteen", "Fifteen",
549:                    "Sixteen", "Seventeen", "Eighteen", "Nineteen" };
550:
551:            private static String[] englishTens = { "", "Ten", "Twenty",
552:                    "Thirty", "Forty", "Fifty", "Sixty", "Seventy", "Eighty",
553:                    "Ninety" };
554:
555:            private static String[] englishOrdinalUnits = { "", "First",
556:                    "Second", "Third", "Fourth", "Fifth", "Sixth", "Seventh",
557:                    "Eighth", "Ninth", "Tenth", "Eleventh", "Twelfth",
558:                    "Thirteenth", "Fourteenth", "Fifteenth", "Sixteenth",
559:                    "Seventeenth", "Eighteenth", "Nineteenth" };
560:
561:            private static String[] englishOrdinalTens = { "", "Tenth",
562:                    "Twentieth", "Thirtieth", "Fortieth", "Fiftieth",
563:                    "Sixtieth", "Seventieth", "Eightieth", "Ninetieth" };
564:
565:            /**
566:             * Get a month name or abbreviation
567:             * @param month The month number (1=January, 12=December)
568:             * @param minWidth The minimum number of characters
569:             * @param maxWidth The maximum number of characters
570:             */
571:
572:            public String monthName(int month, int minWidth, int maxWidth) {
573:                String name = englishMonths[month - 1];
574:                if (maxWidth < 3) {
575:                    maxWidth = 3;
576:                }
577:                if (name.length() > maxWidth) {
578:                    name = name.substring(0, maxWidth);
579:                }
580:                while (name.length() < minWidth) {
581:                    name = name + ' ';
582:                }
583:                return name;
584:            }
585:
586:            private static String[] englishMonths = { "January", "February",
587:                    "March", "April", "May", "June", "July", "August",
588:                    "September", "October", "November", "December" };
589:
590:            /**
591:             * Get a day name or abbreviation
592:             * @param day The day of the week (1=Monday, 7=Sunday)
593:             * @param minWidth The minimum number of characters
594:             * @param maxWidth The maximum number of characters
595:             */
596:
597:            public String dayName(int day, int minWidth, int maxWidth) {
598:                String name = englishDays[day - 1];
599:                if (maxWidth < 2) {
600:                    maxWidth = 2;
601:                }
602:                if (name.length() > maxWidth) {
603:                    name = englishDayAbbreviations[day - 1];
604:                    if (name.length() > maxWidth) {
605:                        name = name.substring(0, maxWidth);
606:                    }
607:                }
608:                while (name.length() < minWidth) {
609:                    name = name + ' ';
610:                }
611:                if (minWidth == 1 && maxWidth == 2) {
612:                    // special case
613:                    name = name.substring(0, minUniqueDayLength[day - 1]);
614:                }
615:                return name;
616:            }
617:
618:            private static String[] englishDays = { "Monday", "Tuesday",
619:                    "Wednesday", "Thursday", "Friday", "Saturday", "Sunday" };
620:
621:            private static String[] englishDayAbbreviations = { "Mon", "Tues",
622:                    "Weds", "Thurs", "Fri", "Sat", "Sun" };
623:
624:            private static int[] minUniqueDayLength = { 2, 1, 2, 1, 2, 2, 1 };
625:
626:            /**
627:             * Get an am/pm indicator
628:             * @param minutes the minutes within the day
629:             * @param minWidth minimum width of output
630:             * @param maxWidth maximum width of output
631:             * @return the AM or PM indicator
632:             */
633:
634:            public String halfDayName(int minutes, int minWidth, int maxWidth) {
635:                String s;
636:                if (minutes < 12 * 60) {
637:                    switch (maxWidth) {
638:                    case 1:
639:                        s = "A";
640:                        break;
641:                    case 2:
642:                    case 3:
643:                        s = "Am";
644:                        break;
645:                    default:
646:                        s = "A.M.";
647:                    }
648:                } else {
649:                    switch (maxWidth) {
650:                    case 1:
651:                        s = "P";
652:                        break;
653:                    case 2:
654:                    case 3:
655:                        s = "Pm";
656:                        break;
657:                    default:
658:                        s = "P.M.";
659:                    }
660:                }
661:                return s;
662:            }
663:
664:            /**
665:             * Get an ordinal suffix for a particular component of a date/time.
666:             *
667:             * @param component the component specifier from a format-dateTime picture, for
668:             *            example "M" for the month or "D" for the day.
669:             * @return a string that is acceptable in the ordinal attribute of xsl:number
670:             *         to achieve the required ordinal representation. For example, "-e" for the day component
671:             *         in German, to have the day represented as "dritte August".
672:             */
673:
674:            public String getOrdinalSuffixForDateTime(String component) {
675:                return "yes";
676:            }
677:
678:            /**
679:             * Get the name for an era (e.g. "BC" or "AD")
680:             *
681:             * @param year: the proleptic gregorian year, using "0" for the year before 1AD
682:             */
683:
684:            public String getEraName(int year) {
685:                return (year > 0 ? "AD" : "BC");
686:            }
687:
688:            /**
689:             * Get the name of a timezone
690:             *
691:             * @param tz: the offset of the timezone from GMT in minutes
692:             */
693:
694:            public String getTimezoneName(int tz) {
695:                List list = (List) timezones.get(new Integer(tz));
696:                if (list == null) {
697:                    FastStringBuffer sb = new FastStringBuffer(10);
698:                    DateTimeValue.appendTimezone(tz, sb);
699:                    return sb.toString();
700:                } else {
701:                    String c = (country == null ? "us" : country);
702:                    if (list.size() == 1) {
703:                        return ((String[]) list.get(0))[0];
704:                    } else {
705:                        for (int i = 0; i < list.size(); i++) {
706:                            String[] entry = (String[]) list.get(i);
707:                            if (entry[1].equals(c)) {
708:                                return entry[0];
709:                            }
710:                        }
711:                        return ((String[]) list.get(0))[0];
712:                    }
713:                }
714:            }
715:
716:            static HashMap timezones = new HashMap(50);
717:
718:            static void tz(double offset, String name, String country) {
719:                Integer key = new Integer((int) (offset * 60));
720:                String[] val = { name, country };
721:                List list = (List) timezones.get(key);
722:                if (list == null) {
723:                    list = new ArrayList(3);
724:                }
725:                list.add(val);
726:                timezones.put(key, list);
727:            }
728:
729:            static {
730:
731:                tz(9.5, "ACST", "au"); // Australian central standard time
732:                tz(10, "AEST", "au"); // Australian eastern standard time
733:                tz(-9, "AKST", "us"); // Alaska standard time
734:                tz(8, "AWST", "au"); // Australian Western standard time
735:                tz(1, "BST", "gb"); // British Summer Time
736:                tz(1, "CET", "eu"); // Central European Time
737:                tz(9.5, "CST", "au"); // Central Standard Time
738:                tz(-6, "CST", "us"); // Central Standard Time
739:                tz(7, "CXT", "au"); // Christmas Island Time
740:                tz(2, "EET", "eu"); // Eastern European Time
741:                tz(10, "EST", "au"); // Eastern Standard Time
742:                tz(-5, "EST", "us"); // Eastern Standard Time
743:                tz(0, "GMT", "gb"); // Greenwich Mean Time
744:                tz(-10, "HAST", "us"); // Hawaii-Aleutian
745:                tz(+1, "MEZ", "de"); // Mitteleuropaische Zeit
746:                tz(-7, "MST", "us"); // Mountain Standard
747:                tz(+11.5, "NFT", "au"); // Norfolk Island
748:                tz(-3.5, "NST", "us"); // Newfoundland Standard
749:                tz(-8, "PST", "us"); // Pacific Standard
750:                tz(0, "UTC", "eu"); // UTC
751:                tz(0, "WET", "eu"); // Western European
752:                tz(+8, "WST", "au"); // Western Standard
753:
754:                tz(10.5, "ACDT", "au*"); // Australian central daylight time
755:                tz(-3, "ADT", "us*"); // Atlantic Daylight time
756:                tz(11, "AEDT", "au*"); // Australian eastern daylight time
757:                tz(-8, "AKDT", "us*"); // Alaska daylight time
758:                tz(-4, "AST", "us*"); // Atlantic Standard time
759:                tz(10.5, "CDT", "au*"); // Australia Central Daylight Time
760:                tz(-5, "CDT", "us*"); // Central Daylight Time
761:                tz(2, "CEDT", "eu*"); // Central Europe Daylight Time
762:                tz(11, "EDT", "au*"); // Eastern Daylight Time
763:                tz(-4, "EDT", "us*"); // Eastern Daylight Time
764:                tz(3, "EEDT", "eu*"); // Eastern European Daylight Time
765:                tz(-6, "MDT", "us*"); // Mountain Daylight
766:                tz(+2, "MESZ", "de*"); // Mitteleuropaische Sommerzeit
767:                tz(-2.5, "NDT", "us*"); // Newfoundland Daylight
768:                tz(-7, "PDT", "us*"); // Pacific Daylight
769:                tz(+1, "WEDT", "eu*"); // Western European Daylight
770:
771:            }
772:
773:        }
774:
775:        //
776:        // The contents of this file are subject to the Mozilla Public License Version 1.0 (the "License");
777:        // you may not use this file except in compliance with the License. You may obtain a copy of the
778:        // License at http://www.mozilla.org/MPL/
779:        //
780:        // Software distributed under the License is distributed on an "AS IS" basis,
781:        // WITHOUT WARRANTY OF ANY KIND, either express or implied.
782:        // See the License for the specific language governing rights and limitations under the License.
783:        //
784:        // The Original Code is: all this file.
785:        //
786:        // The Initial Developer of the Original Code is Michael H. Kay.
787:        //
788:        // Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
789:        //
790:        // Contributor(s): none.
791:        //
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