1 |
| |
2 |
| |
3 |
| |
4 |
| |
5 |
| package com.opensymphony.oscache.util; |
6 |
| |
7 |
| import java.text.ParseException; |
8 |
| |
9 |
| import java.util.*; |
10 |
| import java.util.Calendar; |
11 |
| |
12 |
| |
13 |
| |
14 |
| |
15 |
| |
16 |
| |
17 |
| |
18 |
| |
19 |
| |
20 |
| public class FastCronParser { |
21 |
| private static final int NUMBER_OF_CRON_FIELDS = 5; |
22 |
| private static final int MINUTE = 0; |
23 |
| private static final int HOUR = 1; |
24 |
| private static final int DAY_OF_MONTH = 2; |
25 |
| private static final int MONTH = 3; |
26 |
| private static final int DAY_OF_WEEK = 4; |
27 |
| |
28 |
| |
29 |
| |
30 |
| private static final int[] MIN_VALUE = {0, 0, 1, 1, 0}; |
31 |
| private static final int[] MAX_VALUE = {59, 23, 31, 12, 6}; |
32 |
| |
33 |
| |
34 |
| |
35 |
| |
36 |
| |
37 |
| private static final int[] DAYS_IN_MONTH = { |
38 |
| 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 |
39 |
| }; |
40 |
| |
41 |
| |
42 |
| |
43 |
| |
44 |
| private String cronExpression = null; |
45 |
| |
46 |
| |
47 |
| |
48 |
| |
49 |
| |
50 |
| |
51 |
| |
52 |
| |
53 |
| |
54 |
| |
55 |
| |
56 |
| private long[] lookup = { |
57 |
| Long.MAX_VALUE, Long.MAX_VALUE, Long.MAX_VALUE, Long.MAX_VALUE, |
58 |
| Long.MAX_VALUE |
59 |
| }; |
60 |
| |
61 |
| |
62 |
| |
63 |
| |
64 |
| |
65 |
| private int[] lookupMax = {-1, -1, -1, -1, -1}; |
66 |
| |
67 |
| |
68 |
| |
69 |
| |
70 |
| |
71 |
| private int[] lookupMin = { |
72 |
| Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE, |
73 |
| Integer.MAX_VALUE, Integer.MAX_VALUE |
74 |
| }; |
75 |
| |
76 |
| |
77 |
| |
78 |
| |
79 |
| |
80 |
25
| public FastCronParser() {
|
81 |
| } |
82 |
| |
83 |
| |
84 |
| |
85 |
| |
86 |
| |
87 |
| |
88 |
395
| public FastCronParser(String cronExpression) throws ParseException {
|
89 |
395
| setCronExpression(cronExpression);
|
90 |
| } |
91 |
| |
92 |
| |
93 |
| |
94 |
| |
95 |
| |
96 |
| |
97 |
| |
98 |
| |
99 |
10050415
| public void setCronExpression(String cronExpression) throws ParseException {
|
100 |
10050415
| if (cronExpression == null) {
|
101 |
5
| throw new IllegalArgumentException("Cron time expression cannot be null");
|
102 |
| } |
103 |
| |
104 |
10050410
| this.cronExpression = cronExpression;
|
105 |
10050410
| parseExpression(cronExpression);
|
106 |
| } |
107 |
| |
108 |
| |
109 |
| |
110 |
| |
111 |
| |
112 |
| |
113 |
15
| public String getCronExpression() {
|
114 |
15
| return this.cronExpression;
|
115 |
| } |
116 |
| |
117 |
| |
118 |
| |
119 |
| |
120 |
| |
121 |
| |
122 |
| |
123 |
| |
124 |
| |
125 |
| |
126 |
0
| public boolean hasMoreRecentMatch(long time) {
|
127 |
0
| return time < getTimeBefore(System.currentTimeMillis());
|
128 |
| } |
129 |
| |
130 |
| |
131 |
| |
132 |
| |
133 |
| |
134 |
| |
135 |
| |
136 |
| |
137 |
| |
138 |
20050210
| public long getTimeBefore(long time) {
|
139 |
| |
140 |
| |
141 |
20050210
| Calendar cal = new GregorianCalendar();
|
142 |
20050210
| cal.setTimeInMillis(time);
|
143 |
| |
144 |
20050210
| int minute = cal.get(Calendar.MINUTE);
|
145 |
20050210
| int hour = cal.get(Calendar.HOUR_OF_DAY);
|
146 |
20050210
| int dayOfMonth = cal.get(Calendar.DAY_OF_MONTH);
|
147 |
20050210
| int month = cal.get(Calendar.MONTH) + 1;
|
148 |
20050210
| int year = cal.get(Calendar.YEAR);
|
149 |
| |
150 |
20050210
| long validMinutes = lookup[MINUTE];
|
151 |
20050210
| long validHours = lookup[HOUR];
|
152 |
20050210
| long validDaysOfMonth = lookup[DAY_OF_MONTH];
|
153 |
20050210
| long validMonths = lookup[MONTH];
|
154 |
20050210
| long validDaysOfWeek = lookup[DAY_OF_WEEK];
|
155 |
| |
156 |
| |
157 |
20050210
| boolean haveDOM = validDaysOfMonth != Long.MAX_VALUE;
|
158 |
20050210
| boolean haveDOW = validDaysOfWeek != Long.MAX_VALUE;
|
159 |
| |
160 |
20050210
| boolean skippedNonLeapYear = false;
|
161 |
| |
162 |
20050210
| while (true) {
|
163 |
20050395
| boolean retry = false;
|
164 |
| |
165 |
| |
166 |
20050395
| if (month < 1) {
|
167 |
35
| month += 12;
|
168 |
35
| year--;
|
169 |
| } |
170 |
| |
171 |
| |
172 |
20050395
| boolean found = false;
|
173 |
| |
174 |
20050395
| if (validMonths != Long.MAX_VALUE) {
|
175 |
10050135
| for (int i = month + 11; i > (month - 1); i--) {
|
176 |
110600945
| int testMonth = (i % 12) + 1;
|
177 |
| |
178 |
| |
179 |
110600945
| if (((1L << (testMonth - 1)) & validMonths) != 0) {
|
180 |
10050135
| if ((testMonth > month) || skippedNonLeapYear) {
|
181 |
10050075
| year--;
|
182 |
| } |
183 |
| |
184 |
| |
185 |
10050135
| int numDays = numberOfDaysInMonth(testMonth, year);
|
186 |
| |
187 |
10050135
| if (!haveDOM || (numDays >= lookupMin[DAY_OF_MONTH])) {
|
188 |
10050090
| if ((month != testMonth) || skippedNonLeapYear) {
|
189 |
| |
190 |
10050070
| dayOfMonth = (numDays <= lookupMax[DAY_OF_MONTH]) ? numDays : lookupMax[DAY_OF_MONTH];
|
191 |
10050070
| hour = lookupMax[HOUR];
|
192 |
10050070
| minute = lookupMax[MINUTE];
|
193 |
10050070
| month = testMonth;
|
194 |
| } |
195 |
| |
196 |
10050090
| found = true;
|
197 |
10050090
| break;
|
198 |
| } |
199 |
| } |
200 |
| } |
201 |
| |
202 |
10050135
| skippedNonLeapYear = false;
|
203 |
| |
204 |
10050135
| if (!found) {
|
205 |
| |
206 |
45
| skippedNonLeapYear = true;
|
207 |
45
| continue;
|
208 |
| } |
209 |
| } |
210 |
| |
211 |
| |
212 |
20050350
| if (dayOfMonth < 1) {
|
213 |
25
| month--;
|
214 |
25
| dayOfMonth += numberOfDaysInMonth(month, year);
|
215 |
25
| hour = lookupMax[HOUR];
|
216 |
25
| continue;
|
217 |
| } |
218 |
| |
219 |
| |
220 |
20050325
| if (haveDOM && !haveDOW) {
|
221 |
| |
222 |
10050090
| int daysInThisMonth = numberOfDaysInMonth(month, year);
|
223 |
10050090
| int daysInPreviousMonth = numberOfDaysInMonth(month - 1, year);
|
224 |
| |
225 |
| |
226 |
10050415
| for (int i = dayOfMonth + 30; i > (dayOfMonth - 1); i--) {
|
227 |
10050415
| int testDayOfMonth = (i % 31) + 1;
|
228 |
| |
229 |
| |
230 |
10050415
| if ((testDayOfMonth <= dayOfMonth) && (testDayOfMonth > daysInThisMonth)) {
|
231 |
0
| continue;
|
232 |
| } |
233 |
| |
234 |
10050415
| if ((testDayOfMonth > dayOfMonth) && (testDayOfMonth > daysInPreviousMonth)) {
|
235 |
5
| continue;
|
236 |
| } |
237 |
| |
238 |
10050410
| if (((1L << (testDayOfMonth - 1)) & validDaysOfMonth) != 0) {
|
239 |
10050090
| if (testDayOfMonth > dayOfMonth) {
|
240 |
| |
241 |
30
| month--;
|
242 |
30
| retry = true;
|
243 |
| } |
244 |
| |
245 |
10050090
| if (dayOfMonth != testDayOfMonth) {
|
246 |
35
| hour = lookupMax[HOUR];
|
247 |
35
| minute = lookupMax[MINUTE];
|
248 |
| } |
249 |
| |
250 |
10050090
| dayOfMonth = testDayOfMonth;
|
251 |
10050090
| break;
|
252 |
| } |
253 |
| } |
254 |
| |
255 |
10050090
| if (retry) {
|
256 |
30
| continue;
|
257 |
| } |
258 |
10000235
| } else if (haveDOW && !haveDOM) {
|
259 |
| |
260 |
75
| int daysLost = 0;
|
261 |
75
| int currentDOW = dayOfWeek(dayOfMonth, month, year);
|
262 |
| |
263 |
260
| for (int i = currentDOW + 7; i > currentDOW; i--) {
|
264 |
260
| int testDOW = i % 7;
|
265 |
| |
266 |
260
| if (((1L << testDOW) & validDaysOfWeek) != 0) {
|
267 |
75
| dayOfMonth -= daysLost;
|
268 |
| |
269 |
75
| if (dayOfMonth < 1) {
|
270 |
| |
271 |
20
| month--;
|
272 |
20
| dayOfMonth += numberOfDaysInMonth(month, year);
|
273 |
20
| retry = true;
|
274 |
| } |
275 |
| |
276 |
75
| if (currentDOW != testDOW) {
|
277 |
50
| hour = lookupMax[HOUR];
|
278 |
50
| minute = lookupMax[MINUTE];
|
279 |
| } |
280 |
| |
281 |
75
| break;
|
282 |
| } |
283 |
| |
284 |
185
| daysLost++;
|
285 |
| } |
286 |
| |
287 |
75
| if (retry) {
|
288 |
20
| continue;
|
289 |
| } |
290 |
| } |
291 |
| |
292 |
| |
293 |
20050275
| if (hour < 0) {
|
294 |
15
| hour += 24;
|
295 |
15
| dayOfMonth--;
|
296 |
15
| continue;
|
297 |
| } |
298 |
| |
299 |
| |
300 |
20050260
| if (validHours != Long.MAX_VALUE) {
|
301 |
| |
302 |
10050620
| for (int i = hour + 24; i > hour; i--) {
|
303 |
10050620
| int testHour = i % 24;
|
304 |
| |
305 |
10050620
| if (((1L << testHour) & validHours) != 0) {
|
306 |
10050150
| if (testHour > hour) {
|
307 |
| |
308 |
20
| dayOfMonth--;
|
309 |
20
| retry = true;
|
310 |
| } |
311 |
| |
312 |
10050150
| if (hour != testHour) {
|
313 |
40
| minute = lookupMax[MINUTE];
|
314 |
| } |
315 |
| |
316 |
10050150
| hour = testHour;
|
317 |
10050150
| break;
|
318 |
| } |
319 |
| } |
320 |
| |
321 |
10050150
| if (retry) {
|
322 |
20
| continue;
|
323 |
| } |
324 |
| } |
325 |
| |
326 |
| |
327 |
20050240
| if (validMinutes != Long.MAX_VALUE) {
|
328 |
| |
329 |
10051055
| for (int i = minute + 60; i > minute; i--) {
|
330 |
10051055
| int testMinute = i % 60;
|
331 |
| |
332 |
10051055
| if (((1L << testMinute) & validMinutes) != 0) {
|
333 |
10050150
| if (testMinute > minute) {
|
334 |
| |
335 |
30
| hour--;
|
336 |
30
| retry = true;
|
337 |
| } |
338 |
| |
339 |
10050150
| minute = testMinute;
|
340 |
10050150
| break;
|
341 |
| } |
342 |
| } |
343 |
| |
344 |
10050150
| if (retry) {
|
345 |
30
| continue;
|
346 |
| } |
347 |
| } |
348 |
| |
349 |
20050210
| break;
|
350 |
| } |
351 |
| |
352 |
| |
353 |
20050210
| cal.set(Calendar.YEAR, year);
|
354 |
20050210
| cal.set(Calendar.MONTH, month - 1);
|
355 |
20050210
| cal.set(Calendar.DAY_OF_MONTH, dayOfMonth);
|
356 |
20050210
| cal.set(Calendar.HOUR_OF_DAY, hour);
|
357 |
20050210
| cal.set(Calendar.MINUTE, minute);
|
358 |
20050210
| cal.set(Calendar.SECOND, 0);
|
359 |
20050210
| cal.set(Calendar.MILLISECOND, 0);
|
360 |
| |
361 |
20050210
| return cal.getTime().getTime();
|
362 |
| } |
363 |
| |
364 |
| |
365 |
| |
366 |
| |
367 |
| |
368 |
| |
369 |
| |
370 |
| |
371 |
10050410
| private void parseExpression(String expression) throws ParseException {
|
372 |
10050410
| try {
|
373 |
| |
374 |
10050410
| for (int i = 0; i < lookup.length; lookup[i++] = 0) {
|
375 |
50252050
| lookupMin[i] = Integer.MAX_VALUE;
|
376 |
50252050
| lookupMax[i] = -1;
|
377 |
| } |
378 |
| |
379 |
| |
380 |
10050410
| char[][] token = new char[NUMBER_OF_CRON_FIELDS][];
|
381 |
| |
382 |
| |
383 |
| |
384 |
10050410
| int length = expression.length();
|
385 |
10050410
| char[] expr = new char[length];
|
386 |
10050410
| expression.getChars(0, length, expr, 0);
|
387 |
| |
388 |
10050410
| int field = 0;
|
389 |
10050410
| int startIndex = 0;
|
390 |
10050410
| boolean inWhitespace = true;
|
391 |
| |
392 |
| |
393 |
10050410
| for (int i = 0; (i < length) && (field < NUMBER_OF_CRON_FIELDS);
|
394 |
| i++) { |
395 |
250655680
| boolean haveChar = (expr[i] != ' ') && (expr[i] != '\t');
|
396 |
| |
397 |
250655680
| if (haveChar) {
|
398 |
| |
399 |
210454025
| if (inWhitespace) {
|
400 |
50252020
| startIndex = i;
|
401 |
50252020
| inWhitespace = false;
|
402 |
| } |
403 |
| } |
404 |
| |
405 |
250655680
| if (i == (length - 1)) {
|
406 |
10050405
| i++;
|
407 |
| } |
408 |
| |
409 |
250655680
| if (!(haveChar || inWhitespace) || (i == length)) {
|
410 |
| |
411 |
50252020
| token[field] = new char[i - startIndex];
|
412 |
50252020
| System.arraycopy(expr, startIndex, token[field], 0, i - startIndex);
|
413 |
50252020
| inWhitespace = true;
|
414 |
50252020
| field++;
|
415 |
| } |
416 |
| } |
417 |
| |
418 |
10050410
| if (field < NUMBER_OF_CRON_FIELDS) {
|
419 |
10
| throw new ParseException("Unexpected end of expression while parsing \"" + expression + "\". Cron expressions require 5 separate fields.", length);
|
420 |
| } |
421 |
| |
422 |
| |
423 |
| |
424 |
10050400
| for (field = 0; field < NUMBER_OF_CRON_FIELDS; field++) {
|
425 |
50251820
| startIndex = 0;
|
426 |
| |
427 |
50251820
| boolean inDelimiter = true;
|
428 |
| |
429 |
| |
430 |
50251820
| int elementLength = token[field].length;
|
431 |
| |
432 |
50251820
| for (int i = 0; i < elementLength; i++) {
|
433 |
210453815
| boolean haveElement = token[field][i] != ',';
|
434 |
| |
435 |
210453815
| if (haveElement) {
|
436 |
| |
437 |
170453620
| if (inDelimiter) {
|
438 |
90252015
| startIndex = i;
|
439 |
90252015
| inDelimiter = false;
|
440 |
| } |
441 |
| } |
442 |
| |
443 |
210453815
| if (i == (elementLength - 1)) {
|
444 |
50251820
| i++;
|
445 |
| } |
446 |
| |
447 |
210453815
| if (!(haveElement || inDelimiter) || (i == elementLength)) {
|
448 |
| |
449 |
90252015
| char[] element = new char[i - startIndex];
|
450 |
90252015
| System.arraycopy(token[field], startIndex, element, 0, i - startIndex);
|
451 |
| |
452 |
| |
453 |
90252015
| storeExpressionValues(element, field);
|
454 |
| |
455 |
90251870
| inDelimiter = true;
|
456 |
| } |
457 |
| } |
458 |
| |
459 |
50251675
| if (lookup[field] == 0) {
|
460 |
0
| throw new ParseException("Token " + new String(token[field]) + " contains no valid entries for this field.", 0);
|
461 |
| } |
462 |
| } |
463 |
| |
464 |
| |
465 |
10050255
| switch (lookupMin[DAY_OF_MONTH]) {
|
466 |
5
| case 31:
|
467 |
5
| lookup[MONTH] &= (0xFFF - 0x528);
|
468 |
10
| case 30:
|
469 |
15
| lookup[MONTH] &= (0xFFF - 0x2);
|
470 |
| |
471 |
15
| if (lookup[MONTH] == 0) {
|
472 |
10
| throw new ParseException("The cron expression \"" + expression + "\" will never match any months - the day of month field is out of range.", 0);
|
473 |
| } |
474 |
| } |
475 |
| |
476 |
| |
477 |
10050245
| if ((lookup[DAY_OF_MONTH] != Long.MAX_VALUE) && (lookup[DAY_OF_WEEK] != Long.MAX_VALUE)) {
|
478 |
5
| throw new ParseException("The cron expression \"" + expression + "\" is invalid. Having both a day-of-month and day-of-week field is not supported.", 0);
|
479 |
| } |
480 |
| } catch (Exception e) { |
481 |
170
| if (e instanceof ParseException) {
|
482 |
170
| throw (ParseException) e;
|
483 |
| } else { |
484 |
0
| throw new ParseException("Illegal cron expression format (" + e.toString() + ")", 0);
|
485 |
| } |
486 |
| } |
487 |
| } |
488 |
| |
489 |
| |
490 |
| |
491 |
| |
492 |
| |
493 |
| |
494 |
| |
495 |
| |
496 |
| |
497 |
| |
498 |
| |
499 |
| |
500 |
90252015
| private void storeExpressionValues(char[] element, int field) throws ParseException {
|
501 |
90252015
| int i = 0;
|
502 |
| |
503 |
90252015
| int start = -99;
|
504 |
90252015
| int end = -99;
|
505 |
90252015
| int interval = -1;
|
506 |
90252015
| boolean wantValue = true;
|
507 |
90252015
| boolean haveInterval = false;
|
508 |
| |
509 |
90252015
| while ((interval < 0) && (i < element.length)) {
|
510 |
130252415
| char ch = element[i++];
|
511 |
| |
512 |
| |
513 |
130252415
| if ((i == 1) && (ch == '*')) {
|
514 |
| |
515 |
30051165
| if (i >= element.length) {
|
516 |
30051160
| addToLookup(-1, -1, field, 1);
|
517 |
30051160
| return;
|
518 |
| } |
519 |
| |
520 |
5
| start = -1;
|
521 |
5
| end = -1;
|
522 |
5
| wantValue = false;
|
523 |
5
| continue;
|
524 |
| } |
525 |
| |
526 |
100201250
| if (wantValue) {
|
527 |
| |
528 |
80201045
| if ((ch >= '0') && (ch <= '9')) {
|
529 |
80200805
| ValueSet vs = getValue(ch - '0', element, i);
|
530 |
| |
531 |
80200805
| if (start == -99) {
|
532 |
60200650
| start = vs.value;
|
533 |
20000155
| } else if (!haveInterval) {
|
534 |
20000100
| end = vs.value;
|
535 |
| } else { |
536 |
55
| if (end == -99) {
|
537 |
30
| end = MAX_VALUE[field];
|
538 |
| } |
539 |
| |
540 |
55
| interval = vs.value;
|
541 |
| } |
542 |
| |
543 |
80200805
| i = vs.pos;
|
544 |
80200805
| wantValue = false;
|
545 |
80200805
| continue;
|
546 |
| } |
547 |
| |
548 |
240
| if (!haveInterval && (end == -99)) {
|
549 |
| |
550 |
240
| if (field == MONTH) {
|
551 |
135
| if (start == -99) {
|
552 |
120
| start = getMonthVal(ch, element, i++);
|
553 |
| } else { |
554 |
15
| end = getMonthVal(ch, element, i++);
|
555 |
| } |
556 |
| |
557 |
85
| wantValue = false;
|
558 |
| |
559 |
| |
560 |
85
| while (++i < element.length) {
|
561 |
135
| int c = element[i] | 0x20;
|
562 |
| |
563 |
135
| if ((c < 'a') || (c > 'z')) {
|
564 |
20
| break;
|
565 |
| } |
566 |
| } |
567 |
| |
568 |
85
| continue;
|
569 |
105
| } else if (field == DAY_OF_WEEK) {
|
570 |
90
| if (start == -99) {
|
571 |
70
| start = getDayOfWeekVal(ch, element, i++);
|
572 |
| } else { |
573 |
20
| end = getDayOfWeekVal(ch, element, i++);
|
574 |
| } |
575 |
| |
576 |
60
| wantValue = false;
|
577 |
| |
578 |
| |
579 |
60
| while (++i < element.length) {
|
580 |
120
| int c = element[i] | 0x20;
|
581 |
| |
582 |
120
| if ((c < 'a') || (c > 'z')) {
|
583 |
20
| break;
|
584 |
| } |
585 |
| } |
586 |
| |
587 |
60
| continue;
|
588 |
| } |
589 |
| } |
590 |
| } else { |
591 |
| |
592 |
20000205
| if ((ch == '-') && (start != -99) && (end == -99)) {
|
593 |
20000140
| wantValue = true;
|
594 |
20000140
| continue;
|
595 |
| } |
596 |
| |
597 |
| |
598 |
65
| if ((ch == '/') && (start != -99)) {
|
599 |
55
| wantValue = true;
|
600 |
55
| haveInterval = true;
|
601 |
55
| continue;
|
602 |
| } |
603 |
| } |
604 |
| |
605 |
25
| throw makeParseException("Invalid character encountered while parsing element", element, i);
|
606 |
| } |
607 |
| |
608 |
60200750
| if (element.length > i) {
|
609 |
5
| throw makeParseException("Extraneous characters found while parsing element", element, i);
|
610 |
| } |
611 |
| |
612 |
60200745
| if (end == -99) {
|
613 |
40200590
| end = start;
|
614 |
| } |
615 |
| |
616 |
60200745
| if (interval < 0) {
|
617 |
60200695
| interval = 1;
|
618 |
| } |
619 |
| |
620 |
60200745
| addToLookup(start, end, field, interval);
|
621 |
| } |
622 |
| |
623 |
| |
624 |
| |
625 |
| |
626 |
| |
627 |
| |
628 |
| |
629 |
| |
630 |
| |
631 |
| |
632 |
80200805
| private ValueSet getValue(int value, char[] element, int i) {
|
633 |
80200805
| ValueSet result = new ValueSet();
|
634 |
80200805
| result.value = value;
|
635 |
| |
636 |
80200805
| if (i >= element.length) {
|
637 |
30000365
| result.pos = i;
|
638 |
30000365
| return result;
|
639 |
| } |
640 |
| |
641 |
50200440
| char ch = element[i];
|
642 |
| |
643 |
50200440
| while ((ch >= '0') && (ch <= '9')) {
|
644 |
40200330
| result.value = (result.value * 10) + (ch - '0');
|
645 |
| |
646 |
40200330
| if (++i >= element.length) {
|
647 |
30200275
| break;
|
648 |
| } |
649 |
| |
650 |
10000055
| ch = element[i];
|
651 |
| } |
652 |
| |
653 |
50200440
| result.pos = i;
|
654 |
| |
655 |
50200440
| return result;
|
656 |
| } |
657 |
| |
658 |
| |
659 |
| |
660 |
| |
661 |
| |
662 |
| |
663 |
| |
664 |
| |
665 |
| |
666 |
| |
667 |
| |
668 |
| |
669 |
| |
670 |
| |
671 |
| |
672 |
| |
673 |
90251905
| private void addToLookup(int start, int end, int field, int interval) throws ParseException {
|
674 |
| |
675 |
90251905
| if (start == end) {
|
676 |
70251755
| if (start < 0) {
|
677 |
| |
678 |
30051165
| start = lookupMin[field] = MIN_VALUE[field];
|
679 |
30051165
| end = lookupMax[field] = MAX_VALUE[field];
|
680 |
| |
681 |
30051165
| if (interval <= 1) {
|
682 |
30051160
| lookup[field] = Long.MAX_VALUE;
|
683 |
30051160
| return;
|
684 |
| } |
685 |
| } else { |
686 |
| |
687 |
40200590
| if (start < MIN_VALUE[field]) {
|
688 |
5
| throw new ParseException("Value " + start + " in field " + field + " is lower than the minimum allowable value for this field (min=" + MIN_VALUE[field] + ")", 0);
|
689 |
40200585
| } else if (start > MAX_VALUE[field]) {
|
690 |
10
| throw new ParseException("Value " + start + " in field " + field + " is higher than the maximum allowable value for this field (max=" + MAX_VALUE[field] + ")", 0);
|
691 |
| } |
692 |
| } |
693 |
| } else { |
694 |
| |
695 |
20000150
| if (start > end) {
|
696 |
10
| end ^= start;
|
697 |
10
| start ^= end;
|
698 |
10
| end ^= start;
|
699 |
| } |
700 |
| |
701 |
20000150
| if (start < 0) {
|
702 |
0
| start = MIN_VALUE[field];
|
703 |
20000150
| } else if (start < MIN_VALUE[field]) {
|
704 |
10
| throw new ParseException("Value " + start + " in field " + field + " is lower than the minimum allowable value for this field (min=" + MIN_VALUE[field] + ")", 0);
|
705 |
| } |
706 |
| |
707 |
20000140
| if (end < 0) {
|
708 |
0
| end = MAX_VALUE[field];
|
709 |
20000140
| } else if (end > MAX_VALUE[field]) {
|
710 |
10
| throw new ParseException("Value " + end + " in field " + field + " is higher than the maximum allowable value for this field (max=" + MAX_VALUE[field] + ")", 0);
|
711 |
| } |
712 |
| } |
713 |
| |
714 |
60200710
| if (interval < 1) {
|
715 |
0
| interval = 1;
|
716 |
| } |
717 |
| |
718 |
60200710
| int i = start - MIN_VALUE[field];
|
719 |
| |
720 |
| |
721 |
60200710
| for (i = start - MIN_VALUE[field]; i <= (end - MIN_VALUE[field]);
|
722 |
| i += interval) { |
723 |
435201595
| lookup[field] |= (1L << i);
|
724 |
| } |
725 |
| |
726 |
| |
727 |
| |
728 |
60200710
| if (lookupMin[field] > start) {
|
729 |
20200520
| lookupMin[field] = start;
|
730 |
| } |
731 |
| |
732 |
60200710
| i += (MIN_VALUE[field] - interval);
|
733 |
| |
734 |
60200710
| if (lookupMax[field] < i) {
|
735 |
25200655
| lookupMax[field] = i;
|
736 |
| } |
737 |
| } |
738 |
| |
739 |
| |
740 |
| |
741 |
| |
742 |
| |
743 |
| |
744 |
| |
745 |
| |
746 |
10100115
| private boolean isLeapYear(int year) {
|
747 |
10100115
| return (((year % 4) == 0) && ((year % 100) != 0)) || ((year % 400) == 0);
|
748 |
| } |
749 |
| |
750 |
| |
751 |
| |
752 |
| |
753 |
| |
754 |
| |
755 |
| |
756 |
| |
757 |
| |
758 |
| |
759 |
75
| private int dayOfWeek(int day, int month, int year) {
|
760 |
75
| day += ((month < 3) ? year-- : (year - 2));
|
761 |
75
| return ((((23 * month) / 9) + day + 4 + (year / 4)) - (year / 100) + (year / 400)) % 7;
|
762 |
| } |
763 |
| |
764 |
| |
765 |
| |
766 |
| |
767 |
| |
768 |
| |
769 |
| |
770 |
| |
771 |
| |
772 |
| |
773 |
| |
774 |
| |
775 |
30150360
| private int numberOfDaysInMonth(int month, int year) {
|
776 |
30150360
| while (month < 1) {
|
777 |
40
| month += 12;
|
778 |
40
| year--;
|
779 |
| } |
780 |
| |
781 |
30150360
| while (month > 12) {
|
782 |
0
| month -= 12;
|
783 |
0
| year++;
|
784 |
| } |
785 |
| |
786 |
30150360
| if (month == 2) {
|
787 |
10100115
| return isLeapYear(year) ? 29 : 28;
|
788 |
| } else { |
789 |
20050245
| return DAYS_IN_MONTH[month - 1];
|
790 |
| } |
791 |
| } |
792 |
| |
793 |
| |
794 |
| |
795 |
| |
796 |
| |
797 |
| |
798 |
| |
799 |
| |
800 |
| |
801 |
| |
802 |
90
| private int getDayOfWeekVal(char ch1, char[] element, int i) throws ParseException {
|
803 |
90
| if ((i + 1) >= element.length) {
|
804 |
5
| throw makeParseException("Unexpected end of element encountered while parsing a day name", element, i);
|
805 |
| } |
806 |
| |
807 |
85
| int ch2 = element[i] | 0x20;
|
808 |
85
| int ch3 = element[i + 1] | 0x20;
|
809 |
| |
810 |
85
| switch (ch1 | 0x20) {
|
811 |
30
| case 's':
|
812 |
| |
813 |
30
| if ((ch2 == 'u') && (ch3 == 'n')) {
|
814 |
15
| return 0;
|
815 |
| } |
816 |
| |
817 |
15
| if ((ch2 == 'a') && (ch3 == 't')) {
|
818 |
10
| return 6;
|
819 |
| } |
820 |
| |
821 |
5
| break;
|
822 |
10
| case 'm':
|
823 |
| |
824 |
10
| if ((ch2 == 'o') && (ch3 == 'n')) {
|
825 |
5
| return 1;
|
826 |
| } |
827 |
| |
828 |
5
| break;
|
829 |
25
| case 't':
|
830 |
| |
831 |
25
| if ((ch2 == 'u') && (ch3 == 'e')) {
|
832 |
10
| return 2;
|
833 |
| } |
834 |
| |
835 |
15
| if ((ch2 == 'h') && (ch3 == 'u')) {
|
836 |
10
| return 4;
|
837 |
| } |
838 |
| |
839 |
5
| break;
|
840 |
10
| case 'w':
|
841 |
| |
842 |
10
| if ((ch2 == 'e') && (ch3 == 'd')) {
|
843 |
5
| return 3;
|
844 |
| } |
845 |
| |
846 |
5
| break;
|
847 |
10
| case 'f':
|
848 |
| |
849 |
10
| if ((ch2 == 'r') && (ch3 == 'i')) {
|
850 |
5
| return 5;
|
851 |
| } |
852 |
| |
853 |
5
| break;
|
854 |
| } |
855 |
| |
856 |
25
| throw makeParseException("Unexpected character while parsing a day name", element, i - 1);
|
857 |
| } |
858 |
| |
859 |
| |
860 |
| |
861 |
| |
862 |
| |
863 |
| |
864 |
| |
865 |
| |
866 |
| |
867 |
| |
868 |
135
| private int getMonthVal(char ch1, char[] element, int i) throws ParseException {
|
869 |
135
| if ((i + 1) >= element.length) {
|
870 |
0
| throw makeParseException("Unexpected end of element encountered while parsing a month name", element, i);
|
871 |
| } |
872 |
| |
873 |
135
| int ch2 = element[i] | 0x20;
|
874 |
135
| int ch3 = element[i + 1] | 0x20;
|
875 |
| |
876 |
135
| switch (ch1 | 0x20) {
|
877 |
35
| case 'j':
|
878 |
| |
879 |
35
| if ((ch2 == 'a') && (ch3 == 'n')) {
|
880 |
10
| return 1;
|
881 |
| } |
882 |
| |
883 |
25
| if (ch2 == 'u') {
|
884 |
20
| if (ch3 == 'n') {
|
885 |
10
| return 6;
|
886 |
| } |
887 |
| |
888 |
10
| if (ch3 == 'l') {
|
889 |
5
| return 7;
|
890 |
| } |
891 |
| } |
892 |
| |
893 |
10
| break;
|
894 |
15
| case 'f':
|
895 |
| |
896 |
15
| if ((ch2 == 'e') && (ch3 == 'b')) {
|
897 |
10
| return 2;
|
898 |
| } |
899 |
| |
900 |
5
| break;
|
901 |
20
| case 'm':
|
902 |
| |
903 |
20
| if (ch2 == 'a') {
|
904 |
15
| if (ch3 == 'r') {
|
905 |
5
| return 3;
|
906 |
| } |
907 |
| |
908 |
10
| if (ch3 == 'y') {
|
909 |
5
| return 5;
|
910 |
| } |
911 |
| } |
912 |
| |
913 |
10
| break;
|
914 |
25
| case 'a':
|
915 |
| |
916 |
25
| if ((ch2 == 'p') && (ch3 == 'r')) {
|
917 |
10
| return 4;
|
918 |
| } |
919 |
| |
920 |
15
| if ((ch2 == 'u') && (ch3 == 'g')) {
|
921 |
10
| return 8;
|
922 |
| } |
923 |
| |
924 |
5
| break;
|
925 |
10
| case 's':
|
926 |
| |
927 |
10
| if ((ch2 == 'e') && (ch3 == 'p')) {
|
928 |
5
| return 9;
|
929 |
| } |
930 |
| |
931 |
5
| break;
|
932 |
10
| case 'o':
|
933 |
| |
934 |
10
| if ((ch2 == 'c') && (ch3 == 't')) {
|
935 |
5
| return 10;
|
936 |
| } |
937 |
| |
938 |
5
| break;
|
939 |
10
| case 'n':
|
940 |
| |
941 |
10
| if ((ch2 == 'o') && (ch3 == 'v')) {
|
942 |
5
| return 11;
|
943 |
| } |
944 |
| |
945 |
5
| break;
|
946 |
10
| case 'd':
|
947 |
| |
948 |
10
| if ((ch2 == 'e') && (ch3 == 'c')) {
|
949 |
5
| return 12;
|
950 |
| } |
951 |
| |
952 |
5
| break;
|
953 |
| } |
954 |
| |
955 |
50
| throw makeParseException("Unexpected character while parsing a month name", element, i - 1);
|
956 |
| } |
957 |
| |
958 |
| |
959 |
| |
960 |
| |
961 |
| |
962 |
| |
963 |
| |
964 |
| |
965 |
20
| public String getExpressionSummary() {
|
966 |
20
| StringBuffer buf = new StringBuffer();
|
967 |
| |
968 |
20
| buf.append(getExpressionSetSummary(MINUTE)).append(' ');
|
969 |
20
| buf.append(getExpressionSetSummary(HOUR)).append(' ');
|
970 |
20
| buf.append(getExpressionSetSummary(DAY_OF_MONTH)).append(' ');
|
971 |
20
| buf.append(getExpressionSetSummary(MONTH)).append(' ');
|
972 |
20
| buf.append(getExpressionSetSummary(DAY_OF_WEEK));
|
973 |
| |
974 |
20
| return buf.toString();
|
975 |
| } |
976 |
| |
977 |
| |
978 |
| |
979 |
| |
980 |
| |
981 |
| |
982 |
| |
983 |
| |
984 |
| |
985 |
| |
986 |
| |
987 |
| |
988 |
| |
989 |
100
| private String getExpressionSetSummary(int field) {
|
990 |
100
| if (lookup[field] == Long.MAX_VALUE) {
|
991 |
65
| return "*";
|
992 |
| } |
993 |
| |
994 |
35
| StringBuffer buf = new StringBuffer();
|
995 |
| |
996 |
35
| boolean first = true;
|
997 |
| |
998 |
35
| for (int i = MIN_VALUE[field]; i <= MAX_VALUE[field]; i++) {
|
999 |
1235
| if ((lookup[field] & (1L << (i - MIN_VALUE[field]))) != 0) {
|
1000 |
170
| if (!first) {
|
1001 |
135
| buf.append(",");
|
1002 |
| } else { |
1003 |
35
| first = false;
|
1004 |
| } |
1005 |
| |
1006 |
170
| buf.append(String.valueOf(i));
|
1007 |
| } |
1008 |
| } |
1009 |
| |
1010 |
35
| return buf.toString();
|
1011 |
| } |
1012 |
| |
1013 |
| |
1014 |
| |
1015 |
| |
1016 |
| |
1017 |
| |
1018 |
| |
1019 |
| |
1020 |
| |
1021 |
| |
1022 |
| |
1023 |
| |
1024 |
| |
1025 |
| |
1026 |
110
| private ParseException makeParseException(String msg, char[] data, int offset) {
|
1027 |
110
| char[] buf = new char[msg.length() + data.length + 3];
|
1028 |
110
| int msgLen = msg.length();
|
1029 |
110
| System.arraycopy(msg.toCharArray(), 0, buf, 0, msgLen);
|
1030 |
110
| buf[msgLen] = ' ';
|
1031 |
110
| buf[msgLen + 1] = '[';
|
1032 |
110
| System.arraycopy(data, 0, buf, msgLen + 2, data.length);
|
1033 |
110
| buf[buf.length - 1] = ']';
|
1034 |
110
| return new ParseException(new String(buf), offset);
|
1035 |
| } |
1036 |
| } |
1037 |
| |
1038 |
| |
1039 |
| class ValueSet { |
1040 |
| public int pos; |
1041 |
| public int value; |
1042 |
| } |