1 /* 2 * Copyright (c) 2012, 2013, 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 /* 27 * This file is available under and governed by the GNU General Public 28 * License version 2 only, as published by the Free Software Foundation. 29 * However, the following notice accompanied the original version of this 30 * file: 31 * 32 * Copyright (c) 2008-2013, Stephen Colebourne & Michael Nascimento Santos 33 * 34 * All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions are met: 38 * 39 * * Redistributions of source code must retain the above copyright notice, 40 * this list of conditions and the following disclaimer. 41 * 42 * * Redistributions in binary form must reproduce the above copyright notice, 43 * this list of conditions and the following disclaimer in the documentation 44 * and/or other materials provided with the distribution. 45 * 46 * * Neither the name of JSR-310 nor the names of its contributors 47 * may be used to endorse or promote products derived from this software 48 * without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 54 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 55 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 56 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 57 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 58 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 59 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 60 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 61 */ 62 package java.time.format; 63 64 import static java.time.temporal.ChronoField.AMPM_OF_DAY; 65 import static java.time.temporal.ChronoField.CLOCK_HOUR_OF_AMPM; 66 import static java.time.temporal.ChronoField.CLOCK_HOUR_OF_DAY; 67 import static java.time.temporal.ChronoField.HOUR_OF_AMPM; 68 import static java.time.temporal.ChronoField.HOUR_OF_DAY; 69 import static java.time.temporal.ChronoField.INSTANT_SECONDS; 70 import static java.time.temporal.ChronoField.MICRO_OF_DAY; 71 import static java.time.temporal.ChronoField.MICRO_OF_SECOND; 72 import static java.time.temporal.ChronoField.MILLI_OF_DAY; 73 import static java.time.temporal.ChronoField.MILLI_OF_SECOND; 74 import static java.time.temporal.ChronoField.MINUTE_OF_DAY; 75 import static java.time.temporal.ChronoField.MINUTE_OF_HOUR; 76 import static java.time.temporal.ChronoField.NANO_OF_DAY; 77 import static java.time.temporal.ChronoField.NANO_OF_SECOND; 78 import static java.time.temporal.ChronoField.OFFSET_SECONDS; 79 import static java.time.temporal.ChronoField.SECOND_OF_DAY; 80 import static java.time.temporal.ChronoField.SECOND_OF_MINUTE; 81 82 import java.time.DateTimeException; 83 import java.time.Instant; 84 import java.time.LocalDate; 85 import java.time.LocalTime; 86 import java.time.Period; 87 import java.time.ZoneId; 88 import java.time.ZoneOffset; 89 import java.time.chrono.ChronoLocalDate; 90 import java.time.chrono.ChronoLocalDateTime; 91 import java.time.chrono.ChronoZonedDateTime; 92 import java.time.chrono.Chronology; 93 import java.time.temporal.ChronoField; 94 import java.time.temporal.TemporalAccessor; 95 import java.time.temporal.TemporalField; 96 import java.time.temporal.TemporalQueries; 97 import java.time.temporal.TemporalQuery; 98 import java.time.temporal.UnsupportedTemporalTypeException; 99 import java.util.HashMap; 100 import java.util.Iterator; 101 import java.util.Map; 102 import java.util.Map.Entry; 103 import java.util.Objects; 104 import java.util.Set; 105 106 /** 107 * A store of parsed data. 108 * <p> 109 * This class is used during parsing to collect the data. Part of the parsing process 110 * involves handling optional blocks and multiple copies of the data get created to 111 * support the necessary backtracking. 112 * <p> 113 * Once parsing is completed, this class can be used as the resultant {@code TemporalAccessor}. 114 * In most cases, it is only exposed once the fields have been resolved. 115 * 116 * @implSpec 117 * This class is a mutable context intended for use from a single thread. 118 * Usage of the class is thread-safe within standard parsing as a new instance of this class 119 * is automatically created for each parse and parsing is single-threaded 120 * 121 * @since 1.8 122 */ 123 final class Parsed implements TemporalAccessor { 124 // some fields are accessed using package scope from DateTimeParseContext 125 126 /** 127 * The parsed fields. 128 */ 129 final Map<TemporalField, Long> fieldValues = new HashMap<>(); 130 /** 131 * The parsed zone. 132 */ 133 ZoneId zone; 134 /** 135 * The parsed chronology. 136 */ 137 Chronology chrono; 138 /** 139 * Whether a leap-second is parsed. 140 */ 141 boolean leapSecond; 142 /** 143 * The resolver style to use. 144 */ 145 private ResolverStyle resolverStyle; 146 /** 147 * The resolved date. 148 */ 149 private ChronoLocalDate date; 150 /** 151 * The resolved time. 152 */ 153 private LocalTime time; 154 /** 155 * The excess period from time-only parsing. 156 */ 157 Period excessDays = Period.ZERO; 158 159 /** 160 * Creates an instance. 161 */ 162 Parsed() { 163 } 164 165 /** 166 * Creates a copy. 167 */ 168 Parsed copy() { 169 // only copy fields used in parsing stage 170 Parsed cloned = new Parsed(); 171 cloned.fieldValues.putAll(this.fieldValues); 172 cloned.zone = this.zone; 173 cloned.chrono = this.chrono; 174 cloned.leapSecond = this.leapSecond; 175 return cloned; 176 } 177 178 //----------------------------------------------------------------------- 179 @Override 180 public boolean isSupported(TemporalField field) { 181 if (fieldValues.containsKey(field) || 182 (date != null && date.isSupported(field)) || 183 (time != null && time.isSupported(field))) { 184 return true; 185 } 186 return field != null && (field instanceof ChronoField == false) && field.isSupportedBy(this); 187 } 188 189 @Override 190 public long getLong(TemporalField field) { 191 Objects.requireNonNull(field, "field"); 192 Long value = fieldValues.get(field); 193 if (value != null) { 194 return value; 195 } 196 if (date != null && date.isSupported(field)) { 197 return date.getLong(field); 198 } 199 if (time != null && time.isSupported(field)) { 200 return time.getLong(field); 201 } 202 if (field instanceof ChronoField) { 203 throw new UnsupportedTemporalTypeException("Unsupported field: " + field); 204 } 205 return field.getFrom(this); 206 } 207 208 @SuppressWarnings("unchecked") 209 @Override 210 public <R> R query(TemporalQuery<R> query) { 211 if (query == TemporalQueries.zoneId()) { 212 return (R) zone; 213 } else if (query == TemporalQueries.chronology()) { 214 return (R) chrono; 215 } else if (query == TemporalQueries.localDate()) { 216 return (R) (date != null ? LocalDate.from(date) : null); 217 } else if (query == TemporalQueries.localTime()) { 218 return (R) time; 219 } else if (query == TemporalQueries.zone() || query == TemporalQueries.offset()) { 220 return query.queryFrom(this); 221 } else if (query == TemporalQueries.precision()) { 222 return null; // not a complete date/time 223 } 224 // inline TemporalAccessor.super.query(query) as an optimization 225 // non-JDK classes are not permitted to make this optimization 226 return query.queryFrom(this); 227 } 228 229 //----------------------------------------------------------------------- 230 /** 231 * Resolves the fields in this context. 232 * 233 * @param resolverStyle the resolver style, not null 234 * @param resolverFields the fields to use for resolving, null for all fields 235 * @return this, for method chaining 236 * @throws DateTimeException if resolving one field results in a value for 237 * another field that is in conflict 238 */ 239 TemporalAccessor resolve(ResolverStyle resolverStyle, Set<TemporalField> resolverFields) { 240 if (resolverFields != null) { 241 fieldValues.keySet().retainAll(resolverFields); 242 } 243 this.resolverStyle = resolverStyle; 244 resolveFields(); 245 resolveTimeLenient(); 246 crossCheck(); 247 resolvePeriod(); 248 resolveFractional(); 249 resolveInstant(); 250 return this; 251 } 252 253 //----------------------------------------------------------------------- 254 private void resolveFields() { 255 // resolve ChronoField 256 resolveInstantFields(); 257 resolveDateFields(); 258 resolveTimeFields(); 259 260 // if any other fields, handle them 261 // any lenient date resolution should return epoch-day 262 if (fieldValues.size() > 0) { 263 int changedCount = 0; 264 outer: 265 while (changedCount < 50) { 266 for (Map.Entry<TemporalField, Long> entry : fieldValues.entrySet()) { 267 TemporalField targetField = entry.getKey(); 268 TemporalAccessor resolvedObject = targetField.resolve(fieldValues, this, resolverStyle); 269 if (resolvedObject != null) { 270 if (resolvedObject instanceof ChronoZonedDateTime) { 271 ChronoZonedDateTime<?> czdt = (ChronoZonedDateTime<?>) resolvedObject; 272 if (zone == null) { 273 zone = czdt.getZone(); 274 } else if (zone.equals(czdt.getZone()) == false) { 275 throw new DateTimeException("ChronoZonedDateTime must use the effective parsed zone: " + zone); 276 } 277 resolvedObject = czdt.toLocalDateTime(); 278 } 279 if (resolvedObject instanceof ChronoLocalDateTime) { 280 ChronoLocalDateTime<?> cldt = (ChronoLocalDateTime<?>) resolvedObject; 281 updateCheckConflict(cldt.toLocalTime(), Period.ZERO); 282 updateCheckConflict(cldt.toLocalDate()); 283 changedCount++; 284 continue outer; // have to restart to avoid concurrent modification 285 } 286 if (resolvedObject instanceof ChronoLocalDate) { 287 updateCheckConflict((ChronoLocalDate) resolvedObject); 288 changedCount++; 289 continue outer; // have to restart to avoid concurrent modification 290 } 291 if (resolvedObject instanceof LocalTime) { 292 updateCheckConflict((LocalTime) resolvedObject, Period.ZERO); 293 changedCount++; 294 continue outer; // have to restart to avoid concurrent modification 295 } 296 throw new DateTimeException("Method resolve() can only return ChronoZonedDateTime, " + 297 "ChronoLocalDateTime, ChronoLocalDate or LocalTime"); 298 } else if (fieldValues.containsKey(targetField) == false) { 299 changedCount++; 300 continue outer; // have to restart to avoid concurrent modification 301 } 302 } 303 break; 304 } 305 if (changedCount == 50) { // catch infinite loops 306 throw new DateTimeException("One of the parsed fields has an incorrectly implemented resolve method"); 307 } 308 // if something changed then have to redo ChronoField resolve 309 if (changedCount > 0) { 310 resolveInstantFields(); 311 resolveDateFields(); 312 resolveTimeFields(); 313 } 314 } 315 } 316 317 private void updateCheckConflict(TemporalField targetField, TemporalField changeField, Long changeValue) { 318 Long old = fieldValues.put(changeField, changeValue); 319 if (old != null && old.longValue() != changeValue.longValue()) { 320 throw new DateTimeException("Conflict found: " + changeField + " " + old + 321 " differs from " + changeField + " " + changeValue + 322 " while resolving " + targetField); 323 } 324 } 325 326 //----------------------------------------------------------------------- 327 private void resolveInstantFields() { 328 // resolve parsed instant seconds to date and time if zone available 329 if (fieldValues.containsKey(INSTANT_SECONDS)) { 330 if (zone != null) { 331 resolveInstantFields0(zone); 332 } else { 333 Long offsetSecs = fieldValues.get(OFFSET_SECONDS); 334 if (offsetSecs != null) { 335 ZoneOffset offset = ZoneOffset.ofTotalSeconds(offsetSecs.intValue()); 336 resolveInstantFields0(offset); 337 } 338 } 339 } 340 } 341 342 private void resolveInstantFields0(ZoneId selectedZone) { 343 Instant instant = Instant.ofEpochSecond(fieldValues.remove(INSTANT_SECONDS)); 344 ChronoZonedDateTime<?> zdt = chrono.zonedDateTime(instant, selectedZone); 345 updateCheckConflict(zdt.toLocalDate()); 346 updateCheckConflict(INSTANT_SECONDS, SECOND_OF_DAY, (long) zdt.toLocalTime().toSecondOfDay()); 347 } 348 349 //----------------------------------------------------------------------- 350 private void resolveDateFields() { 351 updateCheckConflict(chrono.resolveDate(fieldValues, resolverStyle)); 352 } 353 354 private void updateCheckConflict(ChronoLocalDate cld) { 355 if (date != null) { 356 if (cld != null && date.equals(cld) == false) { 357 throw new DateTimeException("Conflict found: Fields resolved to two different dates: " + date + " " + cld); 358 } 359 } else if (cld != null) { 360 if (chrono.equals(cld.getChronology()) == false) { 361 throw new DateTimeException("ChronoLocalDate must use the effective parsed chronology: " + chrono); 362 } 363 date = cld; 364 } 365 } 366 367 //----------------------------------------------------------------------- 368 private void resolveTimeFields() { 369 // simplify fields 370 if (fieldValues.containsKey(CLOCK_HOUR_OF_DAY)) { 371 // lenient allows anything, smart allows 0-24, strict allows 1-24 372 long ch = fieldValues.remove(CLOCK_HOUR_OF_DAY); 373 if (resolverStyle == ResolverStyle.STRICT || (resolverStyle == ResolverStyle.SMART && ch != 0)) { 374 CLOCK_HOUR_OF_DAY.checkValidValue(ch); 375 } 376 updateCheckConflict(CLOCK_HOUR_OF_DAY, HOUR_OF_DAY, ch == 24 ? 0 : ch); 377 } 378 if (fieldValues.containsKey(CLOCK_HOUR_OF_AMPM)) { 379 // lenient allows anything, smart allows 0-12, strict allows 1-12 380 long ch = fieldValues.remove(CLOCK_HOUR_OF_AMPM); 381 if (resolverStyle == ResolverStyle.STRICT || (resolverStyle == ResolverStyle.SMART && ch != 0)) { 382 CLOCK_HOUR_OF_AMPM.checkValidValue(ch); 383 } 384 updateCheckConflict(CLOCK_HOUR_OF_AMPM, HOUR_OF_AMPM, ch == 12 ? 0 : ch); 385 } 386 if (fieldValues.containsKey(AMPM_OF_DAY) && fieldValues.containsKey(HOUR_OF_AMPM)) { 387 long ap = fieldValues.remove(AMPM_OF_DAY); 388 long hap = fieldValues.remove(HOUR_OF_AMPM); 389 if (resolverStyle == ResolverStyle.LENIENT) { 390 updateCheckConflict(AMPM_OF_DAY, HOUR_OF_DAY, Math.addExact(Math.multiplyExact(ap, 12), hap)); 391 } else { // STRICT or SMART 392 AMPM_OF_DAY.checkValidValue(ap); 393 HOUR_OF_AMPM.checkValidValue(ap); 394 updateCheckConflict(AMPM_OF_DAY, HOUR_OF_DAY, ap * 12 + hap); 395 } 396 } 397 if (fieldValues.containsKey(NANO_OF_DAY)) { 398 long nod = fieldValues.remove(NANO_OF_DAY); 399 if (resolverStyle != ResolverStyle.LENIENT) { 400 NANO_OF_DAY.checkValidValue(nod); 401 } 402 updateCheckConflict(NANO_OF_DAY, HOUR_OF_DAY, nod / 3600_000_000_000L); 403 updateCheckConflict(NANO_OF_DAY, MINUTE_OF_HOUR, (nod / 60_000_000_000L) % 60); 404 updateCheckConflict(NANO_OF_DAY, SECOND_OF_MINUTE, (nod / 1_000_000_000L) % 60); 405 updateCheckConflict(NANO_OF_DAY, NANO_OF_SECOND, nod % 1_000_000_000L); 406 } 407 if (fieldValues.containsKey(MICRO_OF_DAY)) { 408 long cod = fieldValues.remove(MICRO_OF_DAY); 409 if (resolverStyle != ResolverStyle.LENIENT) { 410 MICRO_OF_DAY.checkValidValue(cod); 411 } 412 updateCheckConflict(MICRO_OF_DAY, SECOND_OF_DAY, cod / 1_000_000L); 413 updateCheckConflict(MICRO_OF_DAY, MICRO_OF_SECOND, cod % 1_000_000L); 414 } 415 if (fieldValues.containsKey(MILLI_OF_DAY)) { 416 long lod = fieldValues.remove(MILLI_OF_DAY); 417 if (resolverStyle != ResolverStyle.LENIENT) { 418 MILLI_OF_DAY.checkValidValue(lod); 419 } 420 updateCheckConflict(MILLI_OF_DAY, SECOND_OF_DAY, lod / 1_000); 421 updateCheckConflict(MILLI_OF_DAY, MILLI_OF_SECOND, lod % 1_000); 422 } 423 if (fieldValues.containsKey(SECOND_OF_DAY)) { 424 long sod = fieldValues.remove(SECOND_OF_DAY); 425 if (resolverStyle != ResolverStyle.LENIENT) { 426 SECOND_OF_DAY.checkValidValue(sod); 427 } 428 updateCheckConflict(SECOND_OF_DAY, HOUR_OF_DAY, sod / 3600); 429 updateCheckConflict(SECOND_OF_DAY, MINUTE_OF_HOUR, (sod / 60) % 60); 430 updateCheckConflict(SECOND_OF_DAY, SECOND_OF_MINUTE, sod % 60); 431 } 432 if (fieldValues.containsKey(MINUTE_OF_DAY)) { 433 long mod = fieldValues.remove(MINUTE_OF_DAY); 434 if (resolverStyle != ResolverStyle.LENIENT) { 435 MINUTE_OF_DAY.checkValidValue(mod); 436 } 437 updateCheckConflict(MINUTE_OF_DAY, HOUR_OF_DAY, mod / 60); 438 updateCheckConflict(MINUTE_OF_DAY, MINUTE_OF_HOUR, mod % 60); 439 } 440 441 // combine partial second fields strictly, leaving lenient expansion to later 442 if (fieldValues.containsKey(NANO_OF_SECOND)) { 443 long nos = fieldValues.get(NANO_OF_SECOND); 444 if (resolverStyle != ResolverStyle.LENIENT) { 445 NANO_OF_SECOND.checkValidValue(nos); 446 } 447 if (fieldValues.containsKey(MICRO_OF_SECOND)) { 448 long cos = fieldValues.remove(MICRO_OF_SECOND); 449 if (resolverStyle != ResolverStyle.LENIENT) { 450 MICRO_OF_SECOND.checkValidValue(cos); 451 } 452 nos = cos * 1000 + (nos % 1000); 453 updateCheckConflict(MICRO_OF_SECOND, NANO_OF_SECOND, nos); 454 } 455 if (fieldValues.containsKey(MILLI_OF_SECOND)) { 456 long los = fieldValues.remove(MILLI_OF_SECOND); 457 if (resolverStyle != ResolverStyle.LENIENT) { 458 MILLI_OF_SECOND.checkValidValue(los); 459 } 460 updateCheckConflict(MILLI_OF_SECOND, NANO_OF_SECOND, los * 1_000_000L + (nos % 1_000_000L)); 461 } 462 } 463 464 // convert to time if all four fields available (optimization) 465 if (fieldValues.containsKey(HOUR_OF_DAY) && fieldValues.containsKey(MINUTE_OF_HOUR) && 466 fieldValues.containsKey(SECOND_OF_MINUTE) && fieldValues.containsKey(NANO_OF_SECOND)) { 467 long hod = fieldValues.remove(HOUR_OF_DAY); 468 long moh = fieldValues.remove(MINUTE_OF_HOUR); 469 long som = fieldValues.remove(SECOND_OF_MINUTE); 470 long nos = fieldValues.remove(NANO_OF_SECOND); 471 resolveTime(hod, moh, som, nos); 472 } 473 } 474 475 private void resolveTimeLenient() { 476 // leniently create a time from incomplete information 477 // done after everything else as it creates information from nothing 478 // which would break updateCheckConflict(field) 479 480 if (time == null) { 481 // NANO_OF_SECOND merged with MILLI/MICRO above 482 if (fieldValues.containsKey(MILLI_OF_SECOND)) { 483 long los = fieldValues.remove(MILLI_OF_SECOND); 484 if (fieldValues.containsKey(MICRO_OF_SECOND)) { 485 // merge milli-of-second and micro-of-second for better error message 486 long cos = los * 1_000 + (fieldValues.get(MICRO_OF_SECOND) % 1_000); 487 updateCheckConflict(MILLI_OF_SECOND, MICRO_OF_SECOND, cos); 488 fieldValues.remove(MICRO_OF_SECOND); 489 fieldValues.put(NANO_OF_SECOND, cos * 1_000L); 490 } else { 491 // convert milli-of-second to nano-of-second 492 fieldValues.put(NANO_OF_SECOND, los * 1_000_000L); 493 } 494 } else if (fieldValues.containsKey(MICRO_OF_SECOND)) { 495 // convert micro-of-second to nano-of-second 496 long cos = fieldValues.remove(MICRO_OF_SECOND); 497 fieldValues.put(NANO_OF_SECOND, cos * 1_000L); 498 } 499 500 // merge hour/minute/second/nano leniently 501 Long hod = fieldValues.get(HOUR_OF_DAY); 502 if (hod != null) { 503 Long moh = fieldValues.get(MINUTE_OF_HOUR); 504 Long som = fieldValues.get(SECOND_OF_MINUTE); 505 Long nos = fieldValues.get(NANO_OF_SECOND); 506 507 // check for invalid combinations that cannot be defaulted 508 if ((moh == null && (som != null || nos != null)) || 509 (moh != null && som == null && nos != null)) { 510 return; 511 } 512 513 // default as necessary and build time 514 long mohVal = (moh != null ? moh : 0); 515 long somVal = (som != null ? som : 0); 516 long nosVal = (nos != null ? nos : 0); 517 resolveTime(hod, mohVal, somVal, nosVal); 518 fieldValues.remove(HOUR_OF_DAY); 519 fieldValues.remove(MINUTE_OF_HOUR); 520 fieldValues.remove(SECOND_OF_MINUTE); 521 fieldValues.remove(NANO_OF_SECOND); 522 } 523 } 524 525 // validate remaining 526 if (resolverStyle != ResolverStyle.LENIENT && fieldValues.size() > 0) { 527 for (Entry<TemporalField, Long> entry : fieldValues.entrySet()) { 528 TemporalField field = entry.getKey(); 529 if (field instanceof ChronoField && field.isTimeBased()) { 530 ((ChronoField) field).checkValidValue(entry.getValue()); 531 } 532 } 533 } 534 } 535 536 private void resolveTime(long hod, long moh, long som, long nos) { 537 if (resolverStyle == ResolverStyle.LENIENT) { 538 long totalNanos = Math.multiplyExact(hod, 3600_000_000_000L); 539 totalNanos = Math.addExact(totalNanos, Math.multiplyExact(moh, 60_000_000_000L)); 540 totalNanos = Math.addExact(totalNanos, Math.multiplyExact(som, 1_000_000_000L)); 541 totalNanos = Math.addExact(totalNanos, nos); 542 int excessDays = (int) Math.floorDiv(totalNanos, 86400_000_000_000L); // safe int cast 543 long nod = Math.floorMod(totalNanos, 86400_000_000_000L); 544 updateCheckConflict(LocalTime.ofNanoOfDay(nod), Period.ofDays(excessDays)); 545 } else { // STRICT or SMART 546 int mohVal = MINUTE_OF_HOUR.checkValidIntValue(moh); 547 int nosVal = NANO_OF_SECOND.checkValidIntValue(nos); 548 // handle 24:00 end of day 549 if (resolverStyle == ResolverStyle.SMART && hod == 24 && mohVal == 0 && som == 0 && nosVal == 0) { 550 updateCheckConflict(LocalTime.MIDNIGHT, Period.ofDays(1)); 551 } else { 552 int hodVal = HOUR_OF_DAY.checkValidIntValue(hod); 553 int somVal = SECOND_OF_MINUTE.checkValidIntValue(som); 554 updateCheckConflict(LocalTime.of(hodVal, mohVal, somVal, nosVal), Period.ZERO); 555 } 556 } 557 } 558 559 private void resolvePeriod() { 560 // add whole days if we have both date and time 561 if (date != null && time != null && excessDays.isZero() == false) { 562 date = date.plus(excessDays); 563 excessDays = Period.ZERO; 564 } 565 } 566 567 private void resolveFractional() { 568 // ensure fractional seconds available as ChronoField requires 569 // resolveTimeLenient() will have merged MICRO_OF_SECOND/MILLI_OF_SECOND to NANO_OF_SECOND 570 if (time == null && 571 (fieldValues.containsKey(INSTANT_SECONDS) || 572 fieldValues.containsKey(SECOND_OF_DAY) || 573 fieldValues.containsKey(SECOND_OF_MINUTE))) { 574 if (fieldValues.containsKey(NANO_OF_SECOND)) { 575 long nos = fieldValues.get(NANO_OF_SECOND); 576 fieldValues.put(MICRO_OF_SECOND, nos / 1000); 577 fieldValues.put(MILLI_OF_SECOND, nos / 1000000); 578 } else { 579 fieldValues.put(NANO_OF_SECOND, 0L); 580 fieldValues.put(MICRO_OF_SECOND, 0L); 581 fieldValues.put(MILLI_OF_SECOND, 0L); 582 } 583 } 584 } 585 586 private void resolveInstant() { 587 // add instant seconds if we have date, time and zone 588 if (date != null && time != null) { 589 if (zone != null) { 590 long instant = date.atTime(time).atZone(zone).getLong(ChronoField.INSTANT_SECONDS); 591 fieldValues.put(INSTANT_SECONDS, instant); 592 } else { 593 Long offsetSecs = fieldValues.get(OFFSET_SECONDS); 594 if (offsetSecs != null) { 595 ZoneOffset offset = ZoneOffset.ofTotalSeconds(offsetSecs.intValue()); 596 long instant = date.atTime(time).atZone(offset).getLong(ChronoField.INSTANT_SECONDS); 597 fieldValues.put(INSTANT_SECONDS, instant); 598 } 599 } 600 } 601 } 602 603 private void updateCheckConflict(LocalTime timeToSet, Period periodToSet) { 604 if (time != null) { 605 if (time.equals(timeToSet) == false) { 606 throw new DateTimeException("Conflict found: Fields resolved to different times: " + time + " " + timeToSet); 607 } 608 if (excessDays.isZero() == false && periodToSet.isZero() == false && excessDays.equals(periodToSet) == false) { 609 throw new DateTimeException("Conflict found: Fields resolved to different excess periods: " + excessDays + " " + periodToSet); 610 } else { 611 excessDays = periodToSet; 612 } 613 } else { 614 time = timeToSet; 615 excessDays = periodToSet; 616 } 617 } 618 619 //----------------------------------------------------------------------- 620 private void crossCheck() { 621 // only cross-check date, time and date-time 622 // avoid object creation if possible 623 if (date != null) { 624 crossCheck(date); 625 } 626 if (time != null) { 627 crossCheck(time); 628 if (date != null && fieldValues.size() > 0) { 629 crossCheck(date.atTime(time)); 630 } 631 } 632 } 633 634 private void crossCheck(TemporalAccessor target) { 635 for (Iterator<Entry<TemporalField, Long>> it = fieldValues.entrySet().iterator(); it.hasNext(); ) { 636 Entry<TemporalField, Long> entry = it.next(); 637 TemporalField field = entry.getKey(); 638 if (target.isSupported(field)) { 639 long val1; 640 try { 641 val1 = target.getLong(field); 642 } catch (RuntimeException ex) { 643 continue; 644 } 645 long val2 = entry.getValue(); 646 if (val1 != val2) { 647 throw new DateTimeException("Conflict found: Field " + field + " " + val1 + 648 " differs from " + field + " " + val2 + " derived from " + target); 649 } 650 it.remove(); 651 } 652 } 653 } 654 655 //----------------------------------------------------------------------- 656 @Override 657 public String toString() { 658 StringBuilder buf = new StringBuilder(64); 659 buf.append(fieldValues).append(',').append(chrono); 660 if (zone != null) { 661 buf.append(',').append(zone); 662 } 663 if (date != null || time != null) { 664 buf.append(" resolved to "); 665 if (date != null) { 666 buf.append(date); 667 if (time != null) { 668 buf.append('T').append(time); 669 } 670 } else { 671 buf.append(time); 672 } 673 } 674 return buf.toString(); 675 } 676 677 } 678
