| 1 | /* ============================================================= |
| 2 | * SmallSQL : a free Java DBMS library for the Java(tm) platform |
| 3 | * ============================================================= |
| 4 | * |
| 5 | * (C) Copyright 2004-2006, by Volker Berlin. |
| 6 | * |
| 7 | * Project Info: http://www.smallsql.de/ |
| 8 | * |
| 9 | * This library is free software; you can redistribute it and/or modify it |
| 10 | * under the terms of the GNU Lesser General Public License as published by |
| 11 | * the Free Software Foundation; either version 2.1 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This library is distributed in the hope that it will be useful, but |
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 16 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
| 17 | * License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU Lesser General Public |
| 20 | * License along with this library; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| 22 | * USA. |
| 23 | * |
| 24 | * [Java is a trademark or registered trademark of Sun Microsystems, Inc. |
| 25 | * in the United States and other countries.] |
| 26 | * |
| 27 | * --------------- |
| 28 | * DateTime.java |
| 29 | * --------------- |
| 30 | * Author: Volker Berlin |
| 31 | * |
| 32 | * Created on 07.05.2004 |
| 33 | */ |
| 34 | package smallsql.database; |
| 35 | |
| 36 | import java.sql.*; |
| 37 | import java.text.DateFormatSymbols; |
| 38 | import java.util.Calendar; |
| 39 | import java.util.TimeZone; |
| 40 | |
| 41 | |
| 42 | public final class DateTime implements Mutable{ |
| 43 | |
| 44 | long time; |
| 45 | private int dataType = SQLTokenizer.TIMESTAMP; |
| 46 | |
| 47 | static final int[] MONTH_DAYS = {0,31,59,90,120,151,181,212,243,273,304,334}; |
| 48 | |
| 49 | private static final String[] SHORT_MONTHS = new DateFormatSymbols().getShortMonths(); |
| 50 | |
| 51 | DateTime(final int year, final int month, final int day, final int hour, final int minute, final int second, final int millis){ |
| 52 | time = calcMillis( year, month, day, hour, minute, second, millis); |
| 53 | } |
| 54 | |
| 55 | |
| 56 | DateTime(long time, int dataType) throws SQLException{ |
| 57 | switch(dataType){ |
| 58 | case SQLTokenizer.SMALLDATETIME: |
| 59 | dataType = SQLTokenizer.SMALLDATETIME; |
| 60 | break; |
| 61 | case SQLTokenizer.TIME: |
| 62 | time %= 86400000; |
| 63 | break; |
| 64 | case SQLTokenizer.DATE: |
| 65 | int millis = (int)(time % 86400000); |
| 66 | if(millis < 0) |
| 67 | millis += 86400000; |
| 68 | time -= millis; |
| 69 | break; |
| 70 | } |
| 71 | this.time = time; |
| 72 | this.dataType = dataType; |
| 73 | } |
| 74 | |
| 75 | |
| 76 | static long calcMillis(Details details){ |
| 77 | return calcMillis(details.year, details.month, details.day, details.hour, details.minute, details.second, details.millis); |
| 78 | } |
| 79 | |
| 80 | static long calcMillis(int year, int month, final int day, final int hour, final int minute, final int second, final int millis){ |
| 81 | long result = millis; |
| 82 | result += second * 1000; |
| 83 | result += minute * 60000; |
| 84 | result += hour * 3600000; |
| 85 | result += (day-1) * 86400000L; |
| 86 | if(month > 11){ |
| 87 | year += month / 12; |
| 88 | month %= 12; |
| 89 | } |
| 90 | result += MONTH_DAYS[month] * 86400000L; |
| 91 | result += (year - 1970) * 31536000000L; // millis 365 days |
| 92 | result += ((year/4) - (year/100) + (year/400) - 477) * 86400000L; |
| 93 | if(month<2 && year % 4 == 0 && (year%100 != 0 || year%400 == 0)) |
| 94 | result -= 86400000L; |
| 95 | return result; |
| 96 | } |
| 97 | |
| 98 | |
| 99 | static long now(){ |
| 100 | return removeDateTimeOffset( System.currentTimeMillis() ); |
| 101 | } |
| 102 | |
| 103 | |
| 104 | /** |
| 105 | * Return the day of week.<p> |
| 106 | * 0 - Monday<p> |
| 107 | * 1 - Tuesday<p> |
| 108 | * 2 - Wednsday<p> |
| 109 | * 3 - Thursday<p> |
| 110 | * 4 - Friday<p> |
| 111 | * 5 - Saturday<p> |
| 112 | * 6 - Sunday<p> |
| 113 | */ |
| 114 | static int dayOfWeek(long time){ |
| 115 | // the 1. Jan 1970 is a Thursday --> 3 |
| 116 | return (int)((time / 86400000 + 3) % 7); |
| 117 | } |
| 118 | |
| 119 | static long parse(java.util.Date date) throws SQLException{ |
| 120 | long t = date.getTime(); |
| 121 | return removeDateTimeOffset(t); |
| 122 | } |
| 123 | |
| 124 | static DateTime valueOf(java.util.Date date) throws SQLException{ |
| 125 | if(date == null) return null; |
| 126 | int type; |
| 127 | if(date instanceof java.sql.Date) |
| 128 | type = SQLTokenizer.DATE; |
| 129 | else |
| 130 | if(date instanceof java.sql.Time) |
| 131 | type = SQLTokenizer.TIME; |
| 132 | else |
| 133 | type = SQLTokenizer.TIMESTAMP; |
| 134 | return new DateTime( parse(date), type); |
| 135 | } |
| 136 | |
| 137 | |
| 138 | static DateTime valueOf(java.sql.Date date) throws SQLException{ |
| 139 | if(date == null) return null; |
| 140 | return new DateTime( parse(date), SQLTokenizer.DATE); |
| 141 | } |
| 142 | |
| 143 | |
| 144 | static DateTime valueOf(java.sql.Time date) throws SQLException{ |
| 145 | if(date == null) return null; |
| 146 | return new DateTime( parse(date), SQLTokenizer.TIME); |
| 147 | } |
| 148 | |
| 149 | |
| 150 | static DateTime valueOf(java.sql.Timestamp date) throws SQLException{ |
| 151 | if(date == null) return null; |
| 152 | return new DateTime( parse(date), SQLTokenizer.TIMESTAMP); |
| 153 | } |
| 154 | |
| 155 | |
| 156 | /** |
| 157 | * @param dataType is used for the toString() method |
| 158 | */ |
| 159 | static DateTime valueOf(String date, int dataType) throws SQLException{ |
| 160 | if(date == null) return null; |
| 161 | return new DateTime( parse(date), dataType); |
| 162 | } |
| 163 | |
| 164 | |
| 165 | static long parse(final String datetime) throws SQLException{ |
| 166 | try{ |
| 167 | final int length = datetime.length(); |
| 168 | |
| 169 | final int year; |
| 170 | final int month; |
| 171 | final int day; |
| 172 | final int hour; |
| 173 | final int minute; |
| 174 | final int second; |
| 175 | final int millis; |
| 176 | |
| 177 | |
| 178 | int idx1 = 0; |
| 179 | int idx2 = datetime.indexOf('-'); |
| 180 | if(idx2 > 0){ |
| 181 | year = Integer.parseInt(datetime.substring(idx1, idx2).trim()); |
| 182 | |
| 183 | idx1 = idx2+1; |
| 184 | idx2 = datetime.indexOf('-', idx1); |
| 185 | month = Integer.parseInt(datetime.substring(idx1, idx2).trim())-1; |
| 186 | |
| 187 | idx1 = idx2+1; |
| 188 | idx2 = datetime.indexOf(' ', idx1); |
| 189 | if(idx2 < 0) idx2 = datetime.length(); |
| 190 | day = Integer.parseInt(datetime.substring(idx1, idx2).trim()); |
| 191 | }else{ |
| 192 | year = 1970; |
| 193 | month = 0; |
| 194 | day = 1; |
| 195 | } |
| 196 | |
| 197 | idx1 = idx2+1; |
| 198 | idx2 = datetime.indexOf(':', idx1); |
| 199 | if(idx2>0){ |
| 200 | hour = Integer.parseInt(datetime.substring(idx1, idx2).trim()); |
| 201 | |
| 202 | idx1 = idx2+1; |
| 203 | idx2 = datetime.indexOf(':', idx1); |
| 204 | minute = Integer.parseInt(datetime.substring(idx1, idx2).trim()); |
| 205 | |
| 206 | idx1 = idx2+1; |
| 207 | idx2 = datetime.indexOf('.', idx1); |
| 208 | if(idx2 < 0) idx2 = datetime.length(); |
| 209 | second = Integer.parseInt(datetime.substring(idx1, idx2).trim()); |
| 210 | |
| 211 | idx1 = idx2+1; |
| 212 | if(idx1 < length){ |
| 213 | String strMillis = datetime.substring(idx1).trim(); |
| 214 | switch(strMillis.length()){ |
| 215 | case 1: |
| 216 | millis = Integer.parseInt(strMillis) * 100; |
| 217 | break; |
| 218 | case 2: |
| 219 | millis = Integer.parseInt(strMillis) * 10; |
| 220 | break; |
| 221 | case 3: |
| 222 | millis = Integer.parseInt(strMillis); |
| 223 | break; |
| 224 | default: |
| 225 | millis = Integer.parseInt(strMillis.substring(0,3)); |
| 226 | } |
| 227 | }else |
| 228 | millis = 0; |
| 229 | }else{ |
| 230 | hour = 0; |
| 231 | minute = 0; |
| 232 | second = 0; |
| 233 | millis = 0; |
| 234 | } |
| 235 | return calcMillis(year, month, day, hour, minute, second, millis); |
| 236 | }catch(Throwable e){ |
| 237 | e.printStackTrace(); |
| 238 | throw Utils.createSQLException('\'' +datetime+ "' is an invalid DATE, TIME or TIMESTAMP" ); |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | |
| 243 | long getTimeMillis(){ |
| 244 | return time; |
| 245 | } |
| 246 | |
| 247 | |
| 248 | int getDataType(){ |
| 249 | return dataType; |
| 250 | } |
| 251 | |
| 252 | |
| 253 | /** |
| 254 | * Convert the this value in a String depending of the type the format is a subset of |
| 255 | * yyyy-mm-dd hh:mm:ss.nnn |
| 256 | */ |
| 257 | public String toString(){ |
| 258 | Details details = new Details(time); |
| 259 | StringBuffer buf = new StringBuffer(); |
| 260 | if(dataType != SQLTokenizer.TIME){ |
| 261 | formatNumber( details.year, 4, buf ); |
| 262 | buf.append('-'); |
| 263 | formatNumber( details.month + 1, 2, buf ); |
| 264 | buf.append('-'); |
| 265 | formatNumber( details.day, 2, buf ); |
| 266 | } |
| 267 | if(dataType != SQLTokenizer.DATE){ |
| 268 | if(buf.length() > 0) buf.append(' '); |
| 269 | formatNumber( details.hour, 2, buf ); |
| 270 | buf.append(':'); |
| 271 | formatNumber( details.minute, 2, buf ); |
| 272 | buf.append(':'); |
| 273 | formatNumber( details.second, 2, buf ); |
| 274 | } |
| 275 | if(dataType == SQLTokenizer.TIMESTAMP){ |
| 276 | buf.append('.'); |
| 277 | formatMillis( details.millis, buf ); |
| 278 | } |
| 279 | return buf.toString(); |
| 280 | } |
| 281 | |
| 282 | |
| 283 | public boolean equals(Object obj){ |
| 284 | if(!(obj instanceof DateTime)) return false; |
| 285 | DateTime value = (DateTime)obj; |
| 286 | return value.time == time && value.dataType == dataType; |
| 287 | } |
| 288 | |
| 289 | |
| 290 | /** |
| 291 | * @param style a value like the syle of CONVERT function from MS SQL Server. |
| 292 | */ |
| 293 | String toString(int style){ |
| 294 | if(style < 0) |
| 295 | return toString(); |
| 296 | Details details = new Details(time); |
| 297 | StringBuffer buf = new StringBuffer(); |
| 298 | switch(style){ |
| 299 | case 0: |
| 300 | case 100: // mon dd yyyy hh:miAM (oder PM) |
| 301 | buf.append( SHORT_MONTHS[ details.month ]); |
| 302 | buf.append(' '); |
| 303 | formatNumber( details.day, 2, buf); |
| 304 | buf.append(' '); |
| 305 | formatNumber( details.year, 4, buf); |
| 306 | buf.append(' '); |
| 307 | formatHour12( details.hour, buf ); |
| 308 | buf.append(':'); |
| 309 | formatNumber( details.minute, 2, buf); |
| 310 | buf.append( details.hour < 12 ? "AM" : "PM" ); |
| 311 | return buf.toString(); |
| 312 | case 1: // USA mm/dd/yy |
| 313 | formatNumber( details.month+1, 2, buf); |
| 314 | buf.append('/'); |
| 315 | formatNumber( details.day, 2, buf); |
| 316 | buf.append('/'); |
| 317 | formatNumber( details.year % 100, 2, buf); |
| 318 | return buf.toString(); |
| 319 | case 101: // USA mm/dd/yyyy |
| 320 | formatNumber( details.month+1, 2, buf); |
| 321 | buf.append('/'); |
| 322 | formatNumber( details.day, 2, buf); |
| 323 | buf.append('/'); |
| 324 | formatNumber( details.year, 4, buf); |
| 325 | return buf.toString(); |
| 326 | case 2: // ANSI yy.mm.dd |
| 327 | formatNumber( details.year % 100, 2, buf); |
| 328 | buf.append('.'); |
| 329 | formatNumber( details.month+1, 2, buf); |
| 330 | buf.append('.'); |
| 331 | formatNumber( details.day, 2, buf); |
| 332 | return buf.toString(); |
| 333 | case 102: // ANSI yyyy.mm.dd |
| 334 | formatNumber( details.year, 4, buf); |
| 335 | buf.append('.'); |
| 336 | formatNumber( details.month+1, 2, buf); |
| 337 | buf.append('.'); |
| 338 | formatNumber( details.day, 2, buf); |
| 339 | return buf.toString(); |
| 340 | case 3: // britsh dd/mm/yy |
| 341 | formatNumber( details.day, 2, buf); |
| 342 | buf.append('/'); |
| 343 | formatNumber( details.month+1, 2, buf); |
| 344 | buf.append('/'); |
| 345 | formatNumber( details.year % 100, 2, buf); |
| 346 | return buf.toString(); |
| 347 | case 103: // britsh dd/mm/yyyy |
| 348 | formatNumber( details.day, 2, buf); |
| 349 | buf.append('/'); |
| 350 | formatNumber( details.month+1, 2, buf); |
| 351 | buf.append('/'); |
| 352 | formatNumber( details.year, 4, buf); |
| 353 | return buf.toString(); |
| 354 | case 4: // german dd.mm.yy |
| 355 | formatNumber( details.day, 2, buf); |
| 356 | buf.append('.'); |
| 357 | formatNumber( details.month+1, 2, buf); |
| 358 | buf.append('.'); |
| 359 | formatNumber( details.year % 100, 2, buf); |
| 360 | return buf.toString(); |
| 361 | case 104: // german dd.mm.yyyy |
| 362 | formatNumber( details.day, 2, buf); |
| 363 | buf.append('.'); |
| 364 | formatNumber( details.month+1, 2, buf); |
| 365 | buf.append('.'); |
| 366 | formatNumber( details.year, 4, buf); |
| 367 | return buf.toString(); |
| 368 | case 5: // italiano dd-mm-yy |
| 369 | formatNumber( details.day, 2, buf); |
| 370 | buf.append('-'); |
| 371 | formatNumber( details.month+1, 2, buf); |
| 372 | buf.append('-'); |
| 373 | formatNumber( details.year % 100, 2, buf); |
| 374 | return buf.toString(); |
| 375 | case 105: // italiano dd-mm-yyyy |
| 376 | formatNumber( details.day, 2, buf); |
| 377 | buf.append('-'); |
| 378 | formatNumber( details.month+1, 2, buf); |
| 379 | buf.append('-'); |
| 380 | formatNumber( details.year, 4, buf); |
| 381 | return buf.toString(); |
| 382 | case 6: // dd mon yy |
| 383 | formatNumber( details.day, 2, buf); |
| 384 | buf.append(' '); |
| 385 | buf.append( SHORT_MONTHS[ details.month ]); |
| 386 | buf.append(' '); |
| 387 | formatNumber( details.year % 100, 2, buf); |
| 388 | return buf.toString(); |
| 389 | case 106: // dd mon yyyy |
| 390 | formatNumber( details.day, 2, buf); |
| 391 | buf.append(' '); |
| 392 | buf.append( SHORT_MONTHS[ details.month ]); |
| 393 | buf.append(' '); |
| 394 | formatNumber( details.year, 4, buf); |
| 395 | return buf.toString(); |
| 396 | case 7: // Mon dd, yy |
| 397 | buf.append( SHORT_MONTHS[ details.month ]); |
| 398 | buf.append(' '); |
| 399 | formatNumber( details.day, 2, buf); |
| 400 | buf.append(','); |
| 401 | buf.append(' '); |
| 402 | formatNumber( details.year % 100, 2, buf); |
| 403 | return buf.toString(); |
| 404 | case 107: // Mon dd, yyyy |
| 405 | buf.append( SHORT_MONTHS[ details.month ]); |
| 406 | buf.append(' '); |
| 407 | formatNumber( details.day, 2, buf); |
| 408 | buf.append(','); |
| 409 | buf.append(' '); |
| 410 | formatNumber( details.year, 4, buf); |
| 411 | return buf.toString(); |
| 412 | case 8: //hh:mm:ss |
| 413 | case 108: |
| 414 | formatNumber( details.hour, 2, buf); |
| 415 | buf.append(':'); |
| 416 | formatNumber( details.minute, 2, buf); |
| 417 | buf.append(':'); |
| 418 | formatNumber( details.second, 2, buf); |
| 419 | return buf.toString(); |
| 420 | case 9: |
| 421 | case 109: // mon dd yyyy hh:mi:ss:mmmAM (oder PM) |
| 422 | buf.append( SHORT_MONTHS[ details.month ]); |
| 423 | buf.append(' '); |
| 424 | formatNumber( details.day, 2, buf); |
| 425 | buf.append(' '); |
| 426 | formatNumber( details.year, 4, buf); |
| 427 | buf.append(' '); |
| 428 | formatHour12( details.hour, buf ); |
| 429 | buf.append(':'); |
| 430 | formatNumber( details.minute, 2, buf); |
| 431 | buf.append(':'); |
| 432 | formatNumber( details.second, 2, buf); |
| 433 | buf.append(':'); |
| 434 | formatMillis( details.millis, buf); |
| 435 | buf.append( details.hour < 12 ? "AM" : "PM" ); |
| 436 | return buf.toString(); |
| 437 | case 10: // USA mm-dd-yy |
| 438 | formatNumber( details.month+1, 2, buf); |
| 439 | buf.append('-'); |
| 440 | formatNumber( details.day, 2, buf); |
| 441 | buf.append('-'); |
| 442 | formatNumber( details.year % 100, 2, buf); |
| 443 | return buf.toString(); |
| 444 | case 110: // USA mm-dd-yyyy |
| 445 | formatNumber( details.month+1, 2, buf); |
| 446 | buf.append('-'); |
| 447 | formatNumber( details.day, 2, buf); |
| 448 | buf.append('-'); |
| 449 | formatNumber( details.year, 4, buf); |
| 450 | return buf.toString(); |
| 451 | case 11: // Japan yy/mm/dd |
| 452 | formatNumber( details.year % 100, 2, buf); |
| 453 | buf.append('/'); |
| 454 | formatNumber( details.month+1, 2, buf); |
| 455 | buf.append('/'); |
| 456 | formatNumber( details.day, 2, buf); |
| 457 | return buf.toString(); |
| 458 | case 111: // Japan yy/mm/dd |
| 459 | formatNumber( details.year, 4, buf); |
| 460 | buf.append('/'); |
| 461 | formatNumber( details.month+1, 2, buf); |
| 462 | buf.append('/'); |
| 463 | formatNumber( details.day, 2, buf); |
| 464 | return buf.toString(); |
| 465 | case 12: // ISO yymmdd |
| 466 | formatNumber( details.year % 100, 2, buf); |
| 467 | formatNumber( details.month+1, 2, buf); |
| 468 | formatNumber( details.day, 2, buf); |
| 469 | return buf.toString(); |
| 470 | case 112: // ISO yyyymmdd |
| 471 | formatNumber( details.year, 4, buf); |
| 472 | formatNumber( details.month+1, 2, buf); |
| 473 | formatNumber( details.day, 2, buf); |
| 474 | return buf.toString(); |
| 475 | case 13: |
| 476 | case 113: // default + millis; dd mon yyyy hh:mm:ss:mmm(24h) |
| 477 | formatNumber( details.day, 2, buf); |
| 478 | buf.append(' '); |
| 479 | buf.append( SHORT_MONTHS[ details.month ]); |
| 480 | buf.append(' '); |
| 481 | formatNumber( details.year, 4, buf); |
| 482 | buf.append(' '); |
| 483 | formatNumber( details.hour, 2, buf ); |
| 484 | buf.append(':'); |
| 485 | formatNumber( details.minute, 2, buf); |
| 486 | buf.append(':'); |
| 487 | formatNumber( details.second, 2, buf); |
| 488 | buf.append(':'); |
| 489 | formatMillis( details.millis, buf); |
| 490 | return buf.toString(); |
| 491 | case 14: |
| 492 | case 114: // hh:mi:ss:mmm(24h) |
| 493 | formatNumber( details.hour, 2, buf); |
| 494 | buf.append(':'); |
| 495 | formatNumber( details.minute, 2, buf); |
| 496 | buf.append(':'); |
| 497 | formatNumber( details.second, 2, buf); |
| 498 | buf.append(':'); |
| 499 | formatMillis( details.millis, buf ); |
| 500 | return buf.toString(); |
| 501 | case 20: |
| 502 | case 120: // ODBC kannonish; yyyy-mm-dd hh:mi:ss(24h) |
| 503 | formatNumber( details.year, 4, buf); |
| 504 | buf.append('-'); |
| 505 | formatNumber( details.month+1, 2, buf); |
| 506 | buf.append('-'); |
| 507 | formatNumber( details.day, 2, buf); |
| 508 | buf.append(' '); |
| 509 | formatNumber( details.hour, 2, buf); |
| 510 | buf.append(':'); |
| 511 | formatNumber( details.minute, 2, buf); |
| 512 | buf.append(':'); |
| 513 | formatNumber( details.second, 2, buf); |
| 514 | return buf.toString(); |
| 515 | case 21: |
| 516 | case 121: // ODBC kannonish + millis; yyyy-mm-dd hh:mi:ss.mmm(24h) |
| 517 | formatNumber( details.year, 4, buf); |
| 518 | buf.append('-'); |
| 519 | formatNumber( details.month+1, 2, buf); |
| 520 | buf.append('-'); |
| 521 | formatNumber( details.day, 2, buf); |
| 522 | buf.append(' '); |
| 523 | formatNumber( details.hour, 2, buf); |
| 524 | buf.append(':'); |
| 525 | formatNumber( details.minute, 2, buf); |
| 526 | buf.append(':'); |
| 527 | formatNumber( details.second, 2, buf); |
| 528 | buf.append('.'); |
| 529 | formatMillis( details.millis, buf ); |
| 530 | return buf.toString(); |
| 531 | case 26: |
| 532 | case 126: // ISO8601; yyyy-mm-ddThh:mi:ss.mmm(24h) |
| 533 | formatNumber( details.year, 4, buf); |
| 534 | buf.append('-'); |
| 535 | formatNumber( details.month+1, 2, buf); |
| 536 | buf.append('-'); |
| 537 | formatNumber( details.day, 2, buf); |
| 538 | buf.append('T'); |
| 539 | formatNumber( details.hour, 2, buf); |
| 540 | buf.append(':'); |
| 541 | formatNumber( details.minute, 2, buf); |
| 542 | buf.append(':'); |
| 543 | formatNumber( details.second, 2, buf); |
| 544 | buf.append('.'); |
| 545 | formatMillis( details.millis, buf ); |
| 546 | return buf.toString(); |
| 547 | case 130: // Kuwaiti dd mon yyyy hh:mi:ss:mmmAM |
| 548 | formatNumber( details.day, 2, buf); |
| 549 | buf.append(' '); |
| 550 | buf.append( SHORT_MONTHS[ details.month ]); |
| 551 | buf.append(' '); |
| 552 | formatNumber( details.year, 4, buf); |
| 553 | buf.append(' '); |
| 554 | formatHour12( details.hour, buf ); |
| 555 | buf.append(':'); |
| 556 | formatNumber( details.minute, 2, buf); |
| 557 | buf.append(':'); |
| 558 | formatNumber( details.second, 2, buf); |
| 559 | buf.append(':'); |
| 560 | formatMillis( details.millis, buf); |
| 561 | buf.append( details.hour < 12 ? "AM" : "PM" ); |
| 562 | return buf.toString(); |
| 563 | case 131: // Kuwaiti dd/mm/yy hh:mi:ss:mmmAM |
| 564 | formatNumber( details.day, 2, buf); |
| 565 | buf.append('/'); |
| 566 | formatNumber( details.month+1, 2, buf); |
| 567 | buf.append('/'); |
| 568 | formatNumber( details.year % 100, 2, buf); |
| 569 | buf.append(' '); |
| 570 | formatNumber( details.hour, 2, buf); |
| 571 | buf.append(':'); |
| 572 | formatNumber( details.minute, 2, buf); |
| 573 | buf.append(':'); |
| 574 | formatNumber( details.second, 2, buf); |
| 575 | buf.append(':'); |
| 576 | formatMillis( details.millis, buf ); |
| 577 | return buf.toString(); |
| 578 | default: |
| 579 | return toString(); |
| 580 | } |
| 581 | |
| 582 | } |
| 583 | |
| 584 | |
| 585 | private final static void formatNumber(int value, int digitCount, StringBuffer buf){ |
| 586 | buf.setLength(buf.length() + digitCount); |
| 587 | if(value < 0) value = - value; |
| 588 | for(int i=1; i<=digitCount; i++){ |
| 589 | buf.setCharAt( buf.length()-i, Utils.digits[ value % 10 ] ); |
| 590 | value /= 10; |
| 591 | } |
| 592 | } |
| 593 | |
| 594 | |
| 595 | private final static void formatMillis(int millis, StringBuffer buf){ |
| 596 | buf.append(Utils.digits[ (millis / 100) % 10 ]); |
| 597 | int value = millis % 100; |
| 598 | if(value != 0){ |
| 599 | buf.append(Utils.digits[ value / 10 ]); |
| 600 | value %= 10; |
| 601 | if(value != 0) |
| 602 | buf.append(Utils.digits[ value ]); |
| 603 | } |
| 604 | } |
| 605 | |
| 606 | |
| 607 | /** |
| 608 | * The hour is print in the range from 1 - 12 |
| 609 | */ |
| 610 | private final static void formatHour12(int hour, StringBuffer buf){ |
| 611 | hour %= 12; |
| 612 | if(hour == 0) hour = 12; |
| 613 | formatNumber( hour, 2, buf ); |
| 614 | } |
| 615 | |
| 616 | |
| 617 | private final static long addDateTimeOffset(long datetime){ |
| 618 | synchronized(cal){ |
| 619 | cal.setTimeZone( TimeZone.getDefault() ); |
| 620 | cal.setTimeInMillis( datetime ); |
| 621 | return datetime - cal.get( Calendar.ZONE_OFFSET) - cal.get( Calendar.DST_OFFSET); |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | |
| 626 | private static long removeDateTimeOffset(long datetime){ |
| 627 | synchronized(cal){ |
| 628 | cal.setTimeZone( TimeZone.getDefault() ); |
| 629 | cal.setTimeInMillis( datetime ); |
| 630 | return datetime + cal.get( Calendar.ZONE_OFFSET) + cal.get( Calendar.DST_OFFSET); |
| 631 | } |
| 632 | } |
| 633 | |
| 634 | |
| 635 | static Timestamp getTimestamp(long time){ |
| 636 | return new Timestamp( DateTime.addDateTimeOffset(time) ); |
| 637 | } |
| 638 | |
| 639 | |
| 640 | static Time getTime(long time){ |
| 641 | return new Time( DateTime.addDateTimeOffset(time) ); |
| 642 | } |
| 643 | |
| 644 | |
| 645 | static Date getDate(long time){ |
| 646 | return new Date( DateTime.addDateTimeOffset(time) ); |
| 647 | } |
| 648 | |
| 649 | |
| 650 | public Object getImmutableObject(){ |
| 651 | switch(dataType){ |
| 652 | case SQLTokenizer.DATE: |
| 653 | return getDate( time ); |
| 654 | case SQLTokenizer.TIME: |
| 655 | return getTime( time ); |
| 656 | default: |
| 657 | return getTimestamp( time ); |
| 658 | } |
| 659 | } |
| 660 | |
| 661 | |
| 662 | static class Details{ |
| 663 | int year; |
| 664 | int month; |
| 665 | int dayofyear; |
| 666 | int day; |
| 667 | int hour; |
| 668 | int minute; |
| 669 | int second; |
| 670 | int millis; |
| 671 | |
| 672 | Details(long time){ |
| 673 | int t = (int)(time % 86400000); |
| 674 | int d = (int)(time / 86400000); |
| 675 | if(t<0){ |
| 676 | //Zeit vor 1970 und kein ganzer Tag |
| 677 | t += 86400000; |
| 678 | d--; |
| 679 | } |
| 680 | millis = t % 1000; |
| 681 | t /= 1000; |
| 682 | second = t % 60; |
| 683 | t /= 60; |
| 684 | minute = t % 60; |
| 685 | t /= 60; |
| 686 | hour = t % 24; |
| 687 | |
| 688 | year = 1970 - (int)(t / 365.2425); |
| 689 | boolean isLeap; |
| 690 | do{ |
| 691 | isLeap = false; |
| 692 | dayofyear = day = d - ((year - 1970)*365 + (year/4) - (year/100) + (year/400) - 477); |
| 693 | if(year % 4 == 0 && (year%100 != 0 || year%400 == 0)){ |
| 694 | // is leap year |
| 695 | if(day < 59){ |
| 696 | day++; |
| 697 | isLeap = true; |
| 698 | } |
| 699 | dayofyear++; |
| 700 | } |
| 701 | if(day < 0){ |
| 702 | year--; |
| 703 | continue; |
| 704 | }else |
| 705 | if(day >= 365){ |
| 706 | year++; |
| 707 | continue; |
| 708 | } |
| 709 | break; |
| 710 | }while(true); |
| 711 | |
| 712 | if(isLeap && day == 59){ |
| 713 | // 29. Feb |
| 714 | month = 1; |
| 715 | day = 29; |
| 716 | }else{ |
| 717 | for(int m=11; m>=0; m--){ |
| 718 | if(MONTH_DAYS[m] <= day){ |
| 719 | month = m; |
| 720 | day = day - MONTH_DAYS[m] + 1; |
| 721 | break; |
| 722 | } |
| 723 | } |
| 724 | } |
| 725 | } |
| 726 | } |
| 727 | |
| 728 | private static final Calendar cal = Calendar.getInstance(); |
| 729 | |
| 730 | } |