| 1 | // jademx - JADE management using JMX |
| 2 | // Copyright 2004-2005 Caboodle Networks, Inc. |
| 3 | // |
| 4 | // This library is free software; you can redistribute it and/or |
| 5 | // modify it under the terms of the GNU Lesser General Public |
| 6 | // License as published by the Free Software Foundation; either |
| 7 | // version 2.1 of the License, or (at your option) any later version. |
| 8 | // |
| 9 | // This library is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | // Lesser General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU Lesser General Public |
| 15 | // License along with this library; if not, write to the Free Software |
| 16 | // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
| 17 | |
| 18 | package jade.jademx.util.iso8601; |
| 19 | |
| 20 | import java.io.Serializable; |
| 21 | import java.text.DecimalFormatSymbols; |
| 22 | import java.util.Locale; |
| 23 | import java.math.BigDecimal; |
| 24 | import java.math.BigInteger; |
| 25 | |
| 26 | /** |
| 27 | * Represent an ISO 8601 duration. |
| 28 | * Compliant with ISO 8601:2000 section 5.5.4.2. |
| 29 | * Note that the setting of weeks is mutually exclusive from setting of |
| 30 | * all other time fields. |
| 31 | * !!!TODO allow non-second fractional parts |
| 32 | * @author David Bernstein, <a href="http://www.caboodlenetworks.com" |
| 33 | * >Caboodle Networks, Inc.</a> |
| 34 | */ |
| 35 | public class Duration implements Serializable, Cloneable { |
| 36 | |
| 37 | /** is duration expressed in weeks or not */ |
| 38 | private boolean isWeeks = false; |
| 39 | |
| 40 | /** is extended format used */ |
| 41 | private boolean extended = false; |
| 42 | |
| 43 | /** is alternative format used */ |
| 44 | private boolean alternative = false; |
| 45 | |
| 46 | /** years */ |
| 47 | private int years = 0; |
| 48 | |
| 49 | /** months */ |
| 50 | private int months = 0; |
| 51 | |
| 52 | /** days */ |
| 53 | private int days = 0; |
| 54 | |
| 55 | /** hours */ |
| 56 | private int hours = 0; |
| 57 | |
| 58 | /** minutes */ |
| 59 | private int minutes = 0; |
| 60 | |
| 61 | /** seconds */ |
| 62 | private int seconds = 0; |
| 63 | |
| 64 | /** weeks */ |
| 65 | private int weeks = 0; |
| 66 | |
| 67 | /** locale */ |
| 68 | private Locale locale = null; |
| 69 | |
| 70 | /** unit fraction applies to */ |
| 71 | private char fractionUnit = UNSET_FRACTION; |
| 72 | |
| 73 | /** fraction */ |
| 74 | private String fraction = null; |
| 75 | |
| 76 | // put format constants in ISO8601.java and allow setting here to govern toString() |
| 77 | |
| 78 | // fraction constant are different from designators because |
| 79 | // months and minutes would collide |
| 80 | |
| 81 | /** year fraction */ |
| 82 | public final static char YEAR_FRACTION = 'Y'; |
| 83 | |
| 84 | /** month fraction */ |
| 85 | public final static char MONTH_FRACTION = 'M'; |
| 86 | |
| 87 | /** day fraction */ |
| 88 | public final static char DAY_FRACTION = 'D'; |
| 89 | |
| 90 | /** hour fraction */ |
| 91 | public final static char HOUR_FRACTION = 'H'; |
| 92 | |
| 93 | /** minute fraction */ |
| 94 | public final static char MINUTE_FRACTION = 'm'; |
| 95 | |
| 96 | /** second fraction */ |
| 97 | public final static char SECOND_FRACTION = 'S'; |
| 98 | |
| 99 | /** week fraction */ |
| 100 | public final static char WEEK_FRACTION = 'W'; |
| 101 | |
| 102 | /** unset fraction */ |
| 103 | public final static char UNSET_FRACTION = 'T'; |
| 104 | |
| 105 | // move to ISO8601.java |
| 106 | |
| 107 | /** duration designator */ |
| 108 | private final static char DURATION_DESIGNATOR = 'P'; |
| 109 | |
| 110 | /** year designator */ |
| 111 | private final static char YEAR_DESIGNATOR = 'Y'; |
| 112 | |
| 113 | /** month designator */ |
| 114 | private final static char MONTH_DESIGNATOR = 'M'; |
| 115 | |
| 116 | /** day designator */ |
| 117 | private final static char DAY_DESIGNATOR = 'D'; |
| 118 | |
| 119 | /** hour designator */ |
| 120 | private final static char HOUR_DESIGNATOR = 'H'; |
| 121 | |
| 122 | /** minute designator */ |
| 123 | private final static char MINUTE_DESIGNATOR = 'M'; |
| 124 | |
| 125 | /** second designator */ |
| 126 | private final static char SECOND_DESIGNATOR = 'S'; |
| 127 | |
| 128 | /** week designator */ |
| 129 | private final static char WEEK_DESIGNATOR = 'W'; |
| 130 | |
| 131 | /** time designator */ |
| 132 | private final static char TIME_DESIGNATOR = 'T'; |
| 133 | |
| 134 | /** full stop character */ |
| 135 | private final static char FULL_STOP = '.'; |
| 136 | |
| 137 | /** comma character */ |
| 138 | private final static char COMMA = ','; |
| 139 | |
| 140 | /** hyphen character */ |
| 141 | private final static char HYPHEN = '-'; |
| 142 | |
| 143 | /** colon character */ |
| 144 | private final static char COLON = ':'; |
| 145 | |
| 146 | /** number of milliseconds in a second */ |
| 147 | private final static int MS_IN_SEC = 1000; |
| 148 | |
| 149 | /** number of seconds in a minute */ |
| 150 | private final static int SEC_IN_MIN = 60; |
| 151 | |
| 152 | /** number of minutes in an hour */ |
| 153 | private final static int MIN_IN_HR = 60; |
| 154 | |
| 155 | /** number of hours in a day */ |
| 156 | private final static int HR_IN_DAY = 24; |
| 157 | |
| 158 | /** number of days in week */ |
| 159 | private final static int DAY_IN_WK = 7; |
| 160 | |
| 161 | /** number of days in month - ARBITRARY */ |
| 162 | private final static int DAY_IN_MON = 30; |
| 163 | |
| 164 | /** number of days in year - ARBITRARY */ |
| 165 | private final static int DAY_IN_YR = 365; |
| 166 | |
| 167 | /** |
| 168 | * make an ISO 8601 duration object |
| 169 | */ |
| 170 | public Duration() { |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * return whether given character is an ASCII digit |
| 175 | * @param c character to test for digitness |
| 176 | * @return whether given character is an ASCII digit |
| 177 | */ |
| 178 | private boolean isAsciiDigit( char c ) { |
| 179 | return ( c >= '0' ) && ( c <= '9' ); |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * return |
| 184 | * @param s string to look at |
| 185 | * @param start index to start at |
| 186 | * @return index after start of first non-digit character (may be length of string) |
| 187 | */ |
| 188 | private int nonDigitIndex( String s, int start ) { |
| 189 | if ( !isAsciiDigit( s.charAt( start ) ) ) { |
| 190 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 191 | "expected digit at position " + start + |
| 192 | " but found '" + s.charAt( start ) + "'" ); |
| 193 | } |
| 194 | int sLen = s.length(); |
| 195 | int firstNonDigitIndex = sLen; |
| 196 | for ( int i = start+1; i < sLen; i++ ) { |
| 197 | if ( !isAsciiDigit( s.charAt( i ) ) ) { |
| 198 | firstNonDigitIndex = i; |
| 199 | break; |
| 200 | } |
| 201 | } |
| 202 | return firstNonDigitIndex; |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * helper method to parse() to get just the HMS part. |
| 207 | * @param s string representation |
| 208 | * @param tIndex where the 'T' was found |
| 209 | */ |
| 210 | private void parseHMS( String s, int tIndex ) { |
| 211 | int sLen = s.length(); |
| 212 | int firstDelimIndex = nonDigitIndex( s, tIndex+1 ); |
| 213 | if ( firstDelimIndex >= sLen ) { |
| 214 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 215 | "no fields specified" ); |
| 216 | } |
| 217 | char firstDelimChar = s.charAt( firstDelimIndex ); |
| 218 | int thisInt; |
| 219 | try { |
| 220 | thisInt = Integer.parseInt( s.substring( tIndex+1, firstDelimIndex ) ); |
| 221 | } |
| 222 | catch ( Exception e ) { |
| 223 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 224 | "unable to parse integer substring" ); |
| 225 | } |
| 226 | String thisFraction = null; |
| 227 | int fractionStart; |
| 228 | if ( ( firstDelimChar == FULL_STOP ) || |
| 229 | ( firstDelimChar == COMMA ) ) { |
| 230 | if ( fractionUnit != UNSET_FRACTION ) { |
| 231 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 232 | "only one fractional part allowed" ); |
| 233 | } |
| 234 | fractionStart = firstDelimIndex+1; |
| 235 | firstDelimIndex = nonDigitIndex( s, firstDelimIndex+1 ); |
| 236 | thisFraction = s.substring( fractionStart, firstDelimIndex ); |
| 237 | firstDelimChar = s.charAt( firstDelimIndex ); |
| 238 | } |
| 239 | switch ( firstDelimChar ) { |
| 240 | case HOUR_DESIGNATOR: |
| 241 | hours = thisInt; |
| 242 | if ( null != thisFraction ) { |
| 243 | setFractionInternal( HOUR_FRACTION, |
| 244 | thisFraction ); |
| 245 | thisFraction = null; |
| 246 | } |
| 247 | break; |
| 248 | case MINUTE_DESIGNATOR: |
| 249 | minutes= thisInt; |
| 250 | if ( null != thisFraction ) { |
| 251 | setFractionInternal( MINUTE_FRACTION, |
| 252 | thisFraction ); |
| 253 | thisFraction = null; |
| 254 | } |
| 255 | break; |
| 256 | case SECOND_DESIGNATOR: |
| 257 | seconds = thisInt; |
| 258 | if ( null != thisFraction ) { |
| 259 | setFractionInternal( SECOND_FRACTION, |
| 260 | thisFraction ); |
| 261 | thisFraction = null; |
| 262 | } |
| 263 | break; |
| 264 | default: |
| 265 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 266 | "'" + firstDelimChar + |
| 267 | "' found where '" + |
| 268 | HOUR_DESIGNATOR + "', '" + |
| 269 | MINUTE_DESIGNATOR + "', or '" + |
| 270 | SECOND_DESIGNATOR + "' expected" ); |
| 271 | } |
| 272 | if ( sLen > ( firstDelimIndex+1 ) ) { |
| 273 | char lastUnitSeen = firstDelimChar; |
| 274 | int secondDelimIndex = nonDigitIndex( s, firstDelimIndex+1 ); |
| 275 | if ( secondDelimIndex < sLen ) { |
| 276 | char secondDelimChar = s.charAt( secondDelimIndex ); |
| 277 | try { |
| 278 | thisInt = Integer.parseInt( s.substring( firstDelimIndex+1, |
| 279 | secondDelimIndex ) ); |
| 280 | } |
| 281 | catch ( Exception e ) { |
| 282 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 283 | "unable to parse integer substring" ); |
| 284 | } |
| 285 | if ( ( secondDelimChar == FULL_STOP ) || |
| 286 | ( secondDelimChar == COMMA ) ) { |
| 287 | if ( fractionUnit != UNSET_FRACTION ) { |
| 288 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 289 | "only one fractional part allowed" ); |
| 290 | } |
| 291 | fractionStart = secondDelimIndex+1; |
| 292 | secondDelimIndex = nonDigitIndex( s, secondDelimIndex+1 ); |
| 293 | thisFraction = s.substring( fractionStart, secondDelimIndex ); |
| 294 | secondDelimChar = s.charAt( secondDelimIndex ); |
| 295 | } |
| 296 | switch ( secondDelimChar ) { |
| 297 | case MINUTE_DESIGNATOR: |
| 298 | if ( ( MINUTE_DESIGNATOR == lastUnitSeen ) || |
| 299 | ( SECOND_DESIGNATOR == lastUnitSeen ) ) { |
| 300 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 301 | "'" + secondDelimChar + |
| 302 | "' follows '" + |
| 303 | firstDelimChar + "'" ); |
| 304 | } |
| 305 | minutes = thisInt; |
| 306 | if ( null != thisFraction ) { |
| 307 | setFractionInternal( MINUTE_FRACTION, |
| 308 | thisFraction ); |
| 309 | thisFraction = null; |
| 310 | } |
| 311 | break; |
| 312 | case SECOND_DESIGNATOR: |
| 313 | if ( SECOND_DESIGNATOR == lastUnitSeen ) { |
| 314 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 315 | "'" + secondDelimChar + |
| 316 | "' follows '" + |
| 317 | firstDelimChar + "'" ); |
| 318 | } |
| 319 | seconds = thisInt; |
| 320 | if ( null != thisFraction ) { |
| 321 | setFractionInternal( SECOND_FRACTION, |
| 322 | thisFraction ); |
| 323 | thisFraction = null; |
| 324 | } |
| 325 | break; |
| 326 | default: |
| 327 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 328 | "'" + secondDelimChar + |
| 329 | "' found where '" + |
| 330 | MINUTE_DESIGNATOR + "' or '" + |
| 331 | SECOND_DESIGNATOR + "' expected" ); |
| 332 | } |
| 333 | if ( sLen > ( secondDelimIndex+1 ) ) { |
| 334 | lastUnitSeen = secondDelimChar; |
| 335 | int thirdDelimIndex = nonDigitIndex( s, secondDelimIndex+1 ); |
| 336 | if ( thirdDelimIndex < sLen ) { |
| 337 | char thirdDelimChar = s.charAt( thirdDelimIndex ); |
| 338 | try { |
| 339 | thisInt = Integer.parseInt( s.substring( secondDelimIndex+1, |
| 340 | thirdDelimIndex ) ); |
| 341 | } |
| 342 | catch ( Exception e ) { |
| 343 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 344 | "unable to parse integer substring" ); |
| 345 | } |
| 346 | thisFraction = null; |
| 347 | if ( ( thirdDelimChar == FULL_STOP ) || |
| 348 | ( thirdDelimChar == COMMA ) ) { |
| 349 | if ( fractionUnit != UNSET_FRACTION ) { |
| 350 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 351 | "only one fractional part allowed" ); |
| 352 | } |
| 353 | fractionStart = thirdDelimIndex+1; |
| 354 | thirdDelimIndex = nonDigitIndex( s, thirdDelimIndex+1 ); |
| 355 | thisFraction = s.substring( fractionStart, thirdDelimIndex ); |
| 356 | thirdDelimChar = s.charAt( thirdDelimIndex ); |
| 357 | } |
| 358 | switch ( thirdDelimChar ) { |
| 359 | case SECOND_DESIGNATOR: |
| 360 | if ( SECOND_DESIGNATOR == lastUnitSeen ) { |
| 361 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 362 | "'" + thirdDelimChar + |
| 363 | "' follows '" + |
| 364 | secondDelimChar + "'" ); |
| 365 | } |
| 366 | seconds = thisInt; |
| 367 | if ( null != thisFraction ) { |
| 368 | setFractionInternal( SECOND_FRACTION, |
| 369 | thisFraction ); |
| 370 | } |
| 371 | break; |
| 372 | default: |
| 373 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 374 | "'" + thirdDelimChar + |
| 375 | "' found where '" + |
| 376 | SECOND_DESIGNATOR + "' expected" ); |
| 377 | } |
| 378 | if ( sLen > ( thirdDelimIndex+1 ) ) { |
| 379 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 380 | "extra unexpected characters found" ); |
| 381 | } |
| 382 | } |
| 383 | } |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | } |
| 388 | |
| 389 | /** |
| 390 | * set fields according to string representation |
| 391 | * @param s string representation |
| 392 | */ |
| 393 | private void parse( String s ) { |
| 394 | |
| 395 | fraction = null; |
| 396 | fractionUnit = UNSET_FRACTION; |
| 397 | |
| 398 | if ( s.charAt(0) != DURATION_DESIGNATOR ) { |
| 399 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 400 | "first character of ISO 8601 duration is not '"+ |
| 401 | DURATION_DESIGNATOR + "'" ); |
| 402 | } |
| 403 | if ( s.length() == 1 ) { |
| 404 | throw new IllegalArgumentException( "no fields in string \"" + s + "\"" ); |
| 405 | } |
| 406 | |
| 407 | // if next char is time designator |
| 408 | // format is primary with values < day |
| 409 | // else |
| 410 | // get following integer string (parse exception if not) |
| 411 | // if character after that is decimal sign (full stop or comma) |
| 412 | // get next integer string as fraction |
| 413 | // if character after parsed integer strings is week designator |
| 414 | // format is PnW (primary/weeks) (fraction ok) |
| 415 | // elsif int string is 4 digits and followed by hyphen |
| 416 | // format is PYYYY-MM-DDThh:mm:ss (alternative/extended) (only seconds can have fraction) |
| 417 | // elsif int string is 8 digits and followed by time designator |
| 418 | // format is PYYYYMMDDThhmmss (alternative/basic) (only seconds can have fraction) |
| 419 | // else |
| 420 | // format must be primary: PnYnMnDTnHnMnS |
| 421 | // where zero values may be omitted and fraction can only occur |
| 422 | // in final field integer string and T must be used only if hours, |
| 423 | // minutes, and/or seconds are specified. |
| 424 | |
| 425 | int sLen = s.length(); |
| 426 | |
| 427 | if ( s.charAt(1) == TIME_DESIGNATOR ) { |
| 428 | // PTnHnMnS (primary - no year/month/day) |
| 429 | isWeeks = false; |
| 430 | extended = false; |
| 431 | alternative = false; |
| 432 | parseHMS( s, 1 ); |
| 433 | } |
| 434 | else { |
| 435 | int firstDelimIndex = nonDigitIndex( s, 1 ); |
| 436 | if ( firstDelimIndex >= sLen ) { |
| 437 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 438 | "no fields specified" ); |
| 439 | } |
| 440 | char firstDelimChar = s.charAt( firstDelimIndex ); |
| 441 | if ( ( FULL_STOP == firstDelimChar ) || |
| 442 | ( COMMA == firstDelimChar ) ) { |
| 443 | throw new RuntimeException("fractions not yet implemented"); |
| 444 | // be sure to set firstDelimChar to char *after* fractional part |
| 445 | } |
| 446 | if ( WEEK_DESIGNATOR == firstDelimChar ) { |
| 447 | // PnW |
| 448 | isWeeks = true; |
| 449 | alternative = false; |
| 450 | // extended not applicable |
| 451 | throw new RuntimeException("week parsing yet implemented"); |
| 452 | } |
| 453 | else if ( ( 5 == firstDelimIndex ) && ( HYPHEN == firstDelimChar ) ) { |
| 454 | // PYYYY-MM-DDThh:mm:ss (alternative/extended) |
| 455 | isWeeks = false; |
| 456 | alternative = true; |
| 457 | extended = true; |
| 458 | throw new RuntimeException("alternative extended parsing yet implemented"); |
| 459 | } |
| 460 | else if ( ( 9 == firstDelimIndex ) && ( TIME_DESIGNATOR == firstDelimChar ) ) { |
| 461 | // PYYYYMMDDThhmmss (alternative/basic) |
| 462 | isWeeks = false; |
| 463 | alternative = true; |
| 464 | extended = false; |
| 465 | throw new RuntimeException("alternative basic parsing yet implemented"); |
| 466 | } |
| 467 | else { |
| 468 | // PnYnMnDTnHnMnS (primary) |
| 469 | isWeeks = false; |
| 470 | alternative = false; |
| 471 | // extended not applicable |
| 472 | int tIndex = -1; // where 'T' seen |
| 473 | // get YMD, then T delim if HMS, then HMS |
| 474 | int thisInt; |
| 475 | try { |
| 476 | thisInt = Integer.parseInt( s.substring( 1, firstDelimIndex ) ); |
| 477 | } |
| 478 | catch ( Exception e ) { |
| 479 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 480 | "unable to parse integer substring" ); |
| 481 | } |
| 482 | switch ( firstDelimChar ) { |
| 483 | case YEAR_DESIGNATOR: |
| 484 | years = thisInt; |
| 485 | break; |
| 486 | case MONTH_DESIGNATOR: |
| 487 | months = thisInt; |
| 488 | break; |
| 489 | case DAY_DESIGNATOR: |
| 490 | days = thisInt; |
| 491 | break; |
| 492 | default: |
| 493 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 494 | "'" + firstDelimChar + |
| 495 | "' found where '" + |
| 496 | YEAR_DESIGNATOR + "', '" + |
| 497 | MONTH_DESIGNATOR + "', or '" + |
| 498 | DAY_DESIGNATOR + "' expected" ); |
| 499 | } |
| 500 | if ( sLen > ( firstDelimIndex+1 ) ) { |
| 501 | if ( TIME_DESIGNATOR == s.charAt( firstDelimIndex+1 ) ) { |
| 502 | tIndex = firstDelimIndex + 1; |
| 503 | } |
| 504 | else { |
| 505 | char lastUnitSeen = firstDelimChar; |
| 506 | int secondDelimIndex = nonDigitIndex( s, firstDelimIndex+1 ); |
| 507 | if ( secondDelimIndex < sLen ) { |
| 508 | char secondDelimChar = s.charAt( secondDelimIndex ); |
| 509 | try { |
| 510 | thisInt = Integer.parseInt( s.substring( firstDelimIndex+1, |
| 511 | secondDelimIndex ) ); |
| 512 | } |
| 513 | catch ( Exception e ) { |
| 514 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 515 | "unable to parse integer substring" ); |
| 516 | } |
| 517 | switch ( secondDelimChar ) { |
| 518 | case MONTH_DESIGNATOR: |
| 519 | if ( ( DAY_DESIGNATOR == lastUnitSeen ) || |
| 520 | ( MONTH_DESIGNATOR == lastUnitSeen ) ) { |
| 521 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 522 | "'" + secondDelimChar + |
| 523 | "' follows '" + |
| 524 | firstDelimChar + "'" ); |
| 525 | } |
| 526 | months = thisInt; |
| 527 | break; |
| 528 | case DAY_DESIGNATOR: |
| 529 | if ( DAY_DESIGNATOR == lastUnitSeen ) { |
| 530 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 531 | "'" + secondDelimChar + |
| 532 | "' follows '" + |
| 533 | firstDelimChar + "'" ); |
| 534 | } |
| 535 | days = thisInt; |
| 536 | break; |
| 537 | default: |
| 538 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 539 | "'" + secondDelimChar + |
| 540 | "' found where '" + |
| 541 | MONTH_DESIGNATOR + "' or '" + |
| 542 | DAY_DESIGNATOR + "' expected" ); |
| 543 | } |
| 544 | |
| 545 | if ( sLen > ( secondDelimIndex+1 ) ) { |
| 546 | if ( TIME_DESIGNATOR == s.charAt( secondDelimIndex+1 ) ) { |
| 547 | tIndex = secondDelimIndex + 1; |
| 548 | } |
| 549 | else { |
| 550 | lastUnitSeen = secondDelimChar; |
| 551 | int thirdDelimIndex = nonDigitIndex( s, secondDelimIndex+1 ); |
| 552 | if ( thirdDelimIndex < sLen ) { |
| 553 | char thirdDelimChar = s.charAt( thirdDelimIndex ); |
| 554 | try { |
| 555 | thisInt = Integer.parseInt( s.substring( secondDelimIndex+1, |
| 556 | thirdDelimIndex ) ); |
| 557 | } |
| 558 | catch ( Exception e ) { |
| 559 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 560 | "unable to parse integer substring" ); |
| 561 | } |
| 562 | switch ( thirdDelimChar ) { |
| 563 | case DAY_DESIGNATOR: |
| 564 | if ( DAY_DESIGNATOR == lastUnitSeen ) { |
| 565 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 566 | "'" + thirdDelimChar + |
| 567 | "' follows '" + |
| 568 | secondDelimChar + "'" ); |
| 569 | } |
| 570 | days = thisInt; |
| 571 | lastUnitSeen = thirdDelimChar; |
| 572 | break; |
| 573 | default: |
| 574 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 575 | "'" + thirdDelimChar + |
| 576 | "' found where '" + |
| 577 | DAY_DESIGNATOR + "' or '" + |
| 578 | TIME_DESIGNATOR + "' expected" ); |
| 579 | } |
| 580 | } |
| 581 | if ( sLen > ( thirdDelimIndex+1 ) ) { |
| 582 | if ( TIME_DESIGNATOR == s.charAt( thirdDelimIndex+1 ) ) { |
| 583 | tIndex = thirdDelimIndex + 1; |
| 584 | } |
| 585 | else { |
| 586 | throw new IllegalArgumentException( "in string \"" + s + "\":" + |
| 587 | "only '" + TIME_DESIGNATOR + |
| 588 | "' expected after '" + |
| 589 | lastUnitSeen + "'" ); |
| 590 | } |
| 591 | } |
| 592 | } |
| 593 | } |
| 594 | |
| 595 | } |
| 596 | |
| 597 | } |
| 598 | } |
| 599 | if ( tIndex > 0 ) { |
| 600 | parseHMS( s, tIndex ); |
| 601 | } |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | } |
| 606 | |
| 607 | /** |
| 608 | * make an ISO 8601 duration object |
| 609 | * @param s string representation |
| 610 | */ |
| 611 | public Duration( String s ) { |
| 612 | parse( s ); |
| 613 | } |
| 614 | |
| 615 | /** |
| 616 | * set years |
| 617 | * @param years years |
| 618 | */ |
| 619 | public void setYears( int years ) { |
| 620 | isWeeks = false; |
| 621 | this.years = years; |
| 622 | } |
| 623 | |
| 624 | /** |
| 625 | * get years |
| 626 | * @return years |
| 627 | */ |
| 628 | public int getYears() { |
| 629 | return years; |
| 630 | } |
| 631 | |
| 632 | /** |
| 633 | * set months |
| 634 | * @param months months |
| 635 | */ |
| 636 | public void setMonths( int months ) { |
| 637 | isWeeks = false; |
| 638 | this.months = months; |
| 639 | } |
| 640 | |
| 641 | /** |
| 642 | * get months |
| 643 | * @return months |
| 644 | */ |
| 645 | public int getMonths() { |
| 646 | return months; |
| 647 | } |
| 648 | |
| 649 | /** |
| 650 | * set days |
| 651 | * @param days days |
| 652 | */ |
| 653 | public void setDays( int days ) { |
| 654 | isWeeks = false; |
| 655 | this.days = days; |
| 656 | } |
| 657 | |
| 658 | /** |
| 659 | * get days |
| 660 | * @return days |
| 661 | */ |
| 662 | public int getDays() { |
| 663 | return days; |
| 664 | } |
| 665 | |
| 666 | /** |
| 667 | * set hours |
| 668 | * @param hours hours |
| 669 | */ |
| 670 | public void setHours( int hours ) { |
| 671 | isWeeks = false; |
| 672 | this.hours = hours; |
| 673 | } |
| 674 | |
| 675 | /** |
| 676 | * get hours |
| 677 | * @return hours |
| 678 | */ |
| 679 | public int getHours() { |
| 680 | return hours; |
| 681 | } |
| 682 | |
| 683 | /** |
| 684 | * set minutes |
| 685 | * @param minutes minutes |
| 686 | */ |
| 687 | public void setMinutes( int minutes ) { |
| 688 | isWeeks = false; |
| 689 | this.minutes = minutes; |
| 690 | } |
| 691 | |
| 692 | /** |
| 693 | * get minutes |
| 694 | * @return minutes |
| 695 | */ |
| 696 | public int getMinutes() { |
| 697 | return minutes; |
| 698 | } |
| 699 | |
| 700 | /** |
| 701 | * set seconds |
| 702 | * @param seconds seconds |
| 703 | */ |
| 704 | public void setSeconds( int seconds ) { |
| 705 | isWeeks = false; |
| 706 | this.seconds = seconds; |
| 707 | } |
| 708 | |
| 709 | /** |
| 710 | * get seconds |
| 711 | * @return seconds |
| 712 | */ |
| 713 | public int getSeconds() { |
| 714 | return seconds; |
| 715 | } |
| 716 | |
| 717 | /** |
| 718 | * set weeks |
| 719 | * @param weeks weeks |
| 720 | */ |
| 721 | public void setWeeks( int weeks ) { |
| 722 | if ( alternative ) { |
| 723 | throw new RuntimeException("weeks are incompatible with alternative format"); |
| 724 | } |
| 725 | isWeeks = true; |
| 726 | this.weeks = weeks; |
| 727 | } |
| 728 | |
| 729 | /** |
| 730 | * get weeks |
| 731 | * @return weeks |
| 732 | */ |
| 733 | public int getWeeks() { |
| 734 | return weeks; |
| 735 | } |
| 736 | |
| 737 | /** |
| 738 | * return whether using weeks or other |
| 739 | * @return whether using weeks or other |
| 740 | */ |
| 741 | public boolean isWeeks() { |
| 742 | return isWeeks; |
| 743 | } |
| 744 | |
| 745 | /** |
| 746 | * set locale |
| 747 | * @param locale locale |
| 748 | */ |
| 749 | public void setLocale( Locale locale ) { |
| 750 | this.locale = locale; |
| 751 | } |
| 752 | |
| 753 | /** |
| 754 | * get locale |
| 755 | * @return locale |
| 756 | */ |
| 757 | public Locale getLocale() { |
| 758 | return locale; |
| 759 | } |
| 760 | |
| 761 | /** |
| 762 | * set fraction. Until public fraction setting supported |
| 763 | * fraction can only be set for least significant used unit. |
| 764 | * for example, specify fraction for minutes and then specifying nonzero |
| 765 | * for seconds is illegal. |
| 766 | * @param fractionUnit which unit fraction is for |
| 767 | * @param fraction fraction |
| 768 | */ |
| 769 | private void setFractionInternal( char fractionUnit, String fraction ) { |
| 770 | |
| 771 | switch ( fractionUnit ) { |
| 772 | case YEAR_FRACTION: |
| 773 | case MONTH_FRACTION: |
| 774 | case WEEK_FRACTION: |
| 775 | case DAY_FRACTION: |
| 776 | case HOUR_FRACTION: |
| 777 | case MINUTE_FRACTION: |
| 778 | case SECOND_FRACTION: |
| 779 | // OK: NOP |
| 780 | break; |
| 781 | default: |
| 782 | throw new IllegalArgumentException("illegal fraction unit '"+ |
| 783 | fractionUnit + "'"); |
| 784 | } |
| 785 | |
| 786 | int fractionLen = fraction.length(); |
| 787 | |
| 788 | // check for non-digit characters |
| 789 | for ( int i = 0; i < fractionLen; i++ ) { |
| 790 | if ( !isAsciiDigit( fraction.charAt( i ) ) ) { |
| 791 | throw new IllegalArgumentException( "expected digit at position " + i + |
| 792 | " of fraction but found '" + |
| 793 | fraction.charAt( i ) + "'" ); |
| 794 | } |
| 795 | } |
| 796 | |
| 797 | // truncate trailing zeroes |
| 798 | StringBuffer sb = new StringBuffer( fraction ); |
| 799 | for ( int i = fraction.length()-1; i >= 0; i-- ) { |
| 800 | if ( ( sb.length() == i ) && |
| 801 | ( fraction.charAt( i ) == '0' ) ) { |
| 802 | sb.setLength( i ); |
| 803 | } |
| 804 | else { |
| 805 | break; |
| 806 | } |
| 807 | } |
| 808 | |
| 809 | if ( 0 == sb.length() ) { |
| 810 | throw new IllegalArgumentException( "zero or empty fraction" ); |
| 811 | } |
| 812 | |
| 813 | this.fractionUnit = fractionUnit; |
| 814 | this.fraction = sb.toString(); |
| 815 | |
| 816 | } |
| 817 | |
| 818 | /** |
| 819 | * set fraction. |
| 820 | * fraction can only be set for least significant used unit. |
| 821 | * for example, specify fraction for minutes and then specifying nonzero |
| 822 | * for seconds is illegal. |
| 823 | * @param fractionUnit which unit fraction is for |
| 824 | * @param fraction fraction |
| 825 | */ |
| 826 | public void setFraction( char fractionUnit, String fraction ) { |
| 827 | // need to validate only digits |
| 828 | // need to normalize: truncate trailing zeros - eliminate if all zeros |
| 829 | this.fraction = fraction; |
| 830 | throw new RuntimeException(Duration.class.getName()+".setFraction(): fractions not yet implemented"); |
| 831 | } |
| 832 | |
| 833 | /** |
| 834 | * get fraction |
| 835 | * @return fraction (null if unset) |
| 836 | */ |
| 837 | public String getFraction() { |
| 838 | return fraction; |
| 839 | } |
| 840 | |
| 841 | /** |
| 842 | * get fraction unit |
| 843 | * @return fraction unit ('T' if unset) |
| 844 | */ |
| 845 | public char getFractionUnit() { |
| 846 | return fractionUnit; |
| 847 | } |
| 848 | |
| 849 | /** |
| 850 | * set extended format |
| 851 | * @param extended extended format |
| 852 | */ |
| 853 | public void setExtended( boolean extended ) { |
| 854 | this.extended = extended; |
| 855 | } |
| 856 | |
| 857 | /** |
| 858 | * get whether extended format |
| 859 | * @return whether extended |
| 860 | */ |
| 861 | public boolean isExtended() { |
| 862 | return extended; |
| 863 | } |
| 864 | |
| 865 | /** |
| 866 | * set alternative format |
| 867 | * @param alternative alternative format |
| 868 | */ |
| 869 | public void setAlternative( boolean alternative ) { |
| 870 | if ( alternative && isWeeks ) { |
| 871 | throw new RuntimeException("alternative format is incompatible with weeks"); |
| 872 | } |
| 873 | this.alternative = alternative; |
| 874 | } |
| 875 | |
| 876 | /** |
| 877 | * get whether alternative format |
| 878 | * @return whether alternative |
| 879 | */ |
| 880 | public boolean isAlternative() { |
| 881 | return alternative; |
| 882 | } |
| 883 | |
| 884 | /** |
| 885 | * return the number of seconds this duration represents. |
| 886 | * rounded to nearest second if necessary. |
| 887 | * month have 30 days and years have 365 days. |
| 888 | * @return the number of seconds this duration represents |
| 889 | */ |
| 890 | public long toSeconds() { |
| 891 | long inSeconds; |
| 892 | if ( isWeeks ) { |
| 893 | inSeconds = |
| 894 | ( weeks * ( DAY_IN_WK * HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN ) ); |
| 895 | } |
| 896 | else { |
| 897 | inSeconds = |
| 898 | ( years * ( DAY_IN_YR * HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN ) ) + |
| 899 | ( months * ( DAY_IN_MON * HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN ) ) + |
| 900 | ( days * ( HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN ) ) + |
| 901 | ( hours * ( MIN_IN_HR * SEC_IN_MIN ) ) + |
| 902 | ( minutes * ( SEC_IN_MIN ) ) + |
| 903 | seconds; |
| 904 | } |
| 905 | if ( UNSET_FRACTION != fractionUnit ) { |
| 906 | String fractionString = "0." + fraction; |
| 907 | BigDecimal decimalFraction = new BigDecimal( fractionString ); |
| 908 | BigDecimal unitMultiplier; |
| 909 | BigDecimal fractionsPart; |
| 910 | switch ( fractionUnit ) { |
| 911 | case YEAR_FRACTION: |
| 912 | unitMultiplier = |
| 913 | new BigDecimal( BigInteger.valueOf( DAY_IN_YR * HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN ) ); |
| 914 | break; |
| 915 | case MONTH_FRACTION: |
| 916 | unitMultiplier = |
| 917 | new BigDecimal( BigInteger.valueOf( DAY_IN_MON * HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN ) ); |
| 918 | break; |
| 919 | case WEEK_FRACTION: |
| 920 | unitMultiplier = |
| 921 | new BigDecimal( BigInteger.valueOf( DAY_IN_WK * HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN ) ); |
| 922 | break; |
| 923 | case DAY_FRACTION: |
| 924 | unitMultiplier = |
| 925 | new BigDecimal( BigInteger.valueOf( HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN ) ); |
| 926 | break; |
| 927 | case HOUR_FRACTION: |
| 928 | unitMultiplier = |
| 929 | new BigDecimal( BigInteger.valueOf( MIN_IN_HR * SEC_IN_MIN ) ); |
| 930 | break; |
| 931 | case MINUTE_FRACTION: |
| 932 | unitMultiplier = |
| 933 | new BigDecimal( BigInteger.valueOf( SEC_IN_MIN ) ); |
| 934 | break; |
| 935 | case SECOND_FRACTION: |
| 936 | unitMultiplier = |
| 937 | new BigDecimal( BigInteger.valueOf( 1 ) ); |
| 938 | break; |
| 939 | default: |
| 940 | throw new RuntimeException("unreachable"); |
| 941 | } |
| 942 | fractionsPart = decimalFraction.multiply( unitMultiplier ); |
| 943 | inSeconds += fractionsPart.longValue(); |
| 944 | } |
| 945 | return inSeconds; |
| 946 | } |
| 947 | |
| 948 | /** |
| 949 | * return the number of milliseconds this duration represents |
| 950 | * rounded to nearest millisecond if necessary. |
| 951 | * month have 30 days and years have 365 days. |
| 952 | * @return the number of milliseconds this duration represents |
| 953 | */ |
| 954 | public long toMilliseconds() { |
| 955 | // code is duplicated rather than called from toSeconds() to avoid rounding error |
| 956 | long inMilliseconds; |
| 957 | if ( isWeeks ) { |
| 958 | inMilliseconds = |
| 959 | ( weeks * ( DAY_IN_WK * HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN * MS_IN_SEC ) ); |
| 960 | } |
| 961 | else { |
| 962 | inMilliseconds = |
| 963 | ( years * ( DAY_IN_YR * HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN * MS_IN_SEC ) ) + |
| 964 | ( months * ( DAY_IN_MON * HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN * MS_IN_SEC ) ) + |
| 965 | ( days * ( HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN * MS_IN_SEC ) ) + |
| 966 | ( hours * ( MIN_IN_HR * SEC_IN_MIN * MS_IN_SEC ) ) + |
| 967 | ( minutes * ( SEC_IN_MIN * MS_IN_SEC ) ) + |
| 968 | ( seconds * ( MS_IN_SEC ) ); |
| 969 | } |
| 970 | if ( UNSET_FRACTION != fractionUnit ) { |
| 971 | if ( SECOND_FRACTION == fractionUnit ) { |
| 972 | // can cheaply and easily and accurately compute case where fraction |
| 973 | // is in seconds |
| 974 | String fractionString = fraction; |
| 975 | boolean roundUpMs = false; |
| 976 | int fractionLen = fraction.length(); |
| 977 | if ( fractionLen > 3 ) { |
| 978 | fractionString = fraction.substring( 0, 3 ); |
| 979 | // check for needing to round up |
| 980 | char c = fraction.charAt( 3 ); |
| 981 | if ( ( c >= '5' ) && ( c <= '9' ) ) { |
| 982 | roundUpMs = true; |
| 983 | } |
| 984 | } |
| 985 | else if ( fractionLen == 3 ) { |
| 986 | fractionString = fraction; |
| 987 | } |
| 988 | else { |
| 989 | StringBuffer fractionSB = new StringBuffer( fraction ); |
| 990 | while ( fractionSB.length() < 3 ) { |
| 991 | fractionSB.append( '0' ); |
| 992 | } |
| 993 | fractionString = fractionSB.toString(); |
| 994 | } |
| 995 | int msInFraction = 100 * ( fractionString.charAt(0) - '0' ); |
| 996 | msInFraction += 10 * ( fractionString.charAt(1) - '0' ); |
| 997 | msInFraction += fractionString.charAt(2) - '0' ; |
| 998 | if ( roundUpMs ) { |
| 999 | msInFraction++; |
| 1000 | } |
| 1001 | inMilliseconds += msInFraction; |
| 1002 | } |
| 1003 | else { |
| 1004 | BigDecimal decimalFraction = new BigDecimal( "0." + fraction ); |
| 1005 | BigDecimal unitMultiplier; |
| 1006 | BigDecimal fractionsPart; |
| 1007 | switch ( fractionUnit ) { |
| 1008 | case YEAR_FRACTION: |
| 1009 | unitMultiplier = |
| 1010 | new BigDecimal( BigInteger.valueOf( DAY_IN_YR * HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN * MS_IN_SEC ) ); |
| 1011 | break; |
| 1012 | case MONTH_FRACTION: |
| 1013 | unitMultiplier = |
| 1014 | new BigDecimal( BigInteger.valueOf( DAY_IN_MON * HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN * MS_IN_SEC ) ); |
| 1015 | break; |
| 1016 | case WEEK_FRACTION: |
| 1017 | unitMultiplier = |
| 1018 | new BigDecimal( BigInteger.valueOf( DAY_IN_WK * HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN * MS_IN_SEC ) ); |
| 1019 | break; |
| 1020 | case DAY_FRACTION: |
| 1021 | unitMultiplier = |
| 1022 | new BigDecimal( BigInteger.valueOf( HR_IN_DAY * MIN_IN_HR * SEC_IN_MIN * MS_IN_SEC ) ); |
| 1023 | break; |
| 1024 | case HOUR_FRACTION: |
| 1025 | unitMultiplier = |
| 1026 | new BigDecimal( BigInteger.valueOf( MIN_IN_HR * SEC_IN_MIN * MS_IN_SEC ) ); |
| 1027 | break; |
| 1028 | case MINUTE_FRACTION: |
| 1029 | unitMultiplier = |
| 1030 | new BigDecimal( BigInteger.valueOf( SEC_IN_MIN * MS_IN_SEC ) ); |
| 1031 | break; |
| 1032 | case SECOND_FRACTION: |
| 1033 | unitMultiplier = |
| 1034 | new BigDecimal( BigInteger.valueOf( MS_IN_SEC ) ); |
| 1035 | break; |
| 1036 | default: |
| 1037 | throw new RuntimeException("unreachable"); |
| 1038 | } |
| 1039 | fractionsPart = decimalFraction.multiply( unitMultiplier ); |
| 1040 | inMilliseconds += fractionsPart.longValue(); |
| 1041 | } |
| 1042 | } |
| 1043 | return inMilliseconds; |
| 1044 | } |
| 1045 | |
| 1046 | /** |
| 1047 | * convert integer to zero-padded string |
| 1048 | * @param i integer to convert |
| 1049 | * @param minLen minimum length of return string |
| 1050 | * @return zero-padded s |
| 1051 | */ |
| 1052 | private String padIntString( int i, int minLen ) { |
| 1053 | String s = Integer.toString( i ); |
| 1054 | while ( s.length() < minLen ) { |
| 1055 | s = "0" + s; |
| 1056 | } |
| 1057 | return s; |
| 1058 | } |
| 1059 | |
| 1060 | /** |
| 1061 | * convert this duration to string representation |
| 1062 | * @return string representation of this duration |
| 1063 | */ |
| 1064 | public String toString() { |
| 1065 | StringBuffer sb = new StringBuffer(); |
| 1066 | sb.append( DURATION_DESIGNATOR ); |
| 1067 | if ( !alternative ) { |
| 1068 | // primary |
| 1069 | if ( isWeeks ) { |
| 1070 | sb.append( weeks ); |
| 1071 | if ( WEEK_DESIGNATOR == fractionUnit ) { |
| 1072 | appendFraction( sb ); |
| 1073 | } |
| 1074 | sb.append( WEEK_DESIGNATOR ); |
| 1075 | } |
| 1076 | else { |
| 1077 | if ( ( 0 == years ) && |
| 1078 | ( 0 == months ) && |
| 1079 | ( 0 == days ) && |
| 1080 | ( 0 == minutes ) && |
| 1081 | ( 0 == seconds ) ) { |
| 1082 | // zero |
| 1083 | sb.append( TIME_DESIGNATOR ); |
| 1084 | sb.append( '0' ); |
| 1085 | char unitDesignator = |
| 1086 | ( UNSET_FRACTION == fractionUnit ) |
| 1087 | ? SECOND_FRACTION |
| 1088 | : fractionUnit; |
| 1089 | sb.append( unitDesignator ); |
| 1090 | if ( UNSET_FRACTION != fractionUnit ) { |
| 1091 | appendFraction( sb ); |
| 1092 | } |
| 1093 | } |
| 1094 | else { |
| 1095 | // nonzero |
| 1096 | if ( ( 0 != years ) || ( YEAR_FRACTION == fractionUnit ) ) { |
| 1097 | sb.append( years ); |
| 1098 | if ( YEAR_FRACTION == fractionUnit ) { |
| 1099 | appendFraction( sb ); |
| 1100 | } |
| 1101 | sb.append( YEAR_DESIGNATOR ); |
| 1102 | } |
| 1103 | if ( ( 0 != months ) || ( MONTH_FRACTION == fractionUnit ) ) { |
| 1104 | sb.append( months ); |
| 1105 | if ( MONTH_FRACTION == fractionUnit ) { |
| 1106 | appendFraction( sb ); |
| 1107 | } |
| 1108 | sb.append( MONTH_DESIGNATOR ); |
| 1109 | } |
| 1110 | if ( ( 0 != days ) || ( DAY_FRACTION == fractionUnit ) ) { |
| 1111 | sb.append( days ); |
| 1112 | if ( DAY_FRACTION == fractionUnit ) { |
| 1113 | appendFraction( sb ); |
| 1114 | } |
| 1115 | sb.append( DAY_DESIGNATOR ); |
| 1116 | } |
| 1117 | if ( ( 0 != hours ) || |
| 1118 | ( 0 != minutes ) || |
| 1119 | ( 0 != seconds ) ) { |
| 1120 | sb.append( TIME_DESIGNATOR ); |
| 1121 | if ( ( 0 != hours || ( HOUR_FRACTION == fractionUnit ) ) ) { |
| 1122 | sb.append( hours ); |
| 1123 | if ( HOUR_FRACTION == fractionUnit ) { |
| 1124 | appendFraction( sb ); |
| 1125 | } |
| 1126 | sb.append( HOUR_DESIGNATOR ); |
| 1127 | } |
| 1128 | if ( ( 0 != minutes ) || ( MINUTE_FRACTION == fractionUnit ) ) { |
| 1129 | sb.append( minutes ); |
| 1130 | if ( MINUTE_FRACTION == fractionUnit ) { |
| 1131 | appendFraction( sb ); |
| 1132 | } |
| 1133 | sb.append( MINUTE_DESIGNATOR ); |
| 1134 | } |
| 1135 | if ( ( 0 != seconds ) || ( SECOND_FRACTION == fractionUnit ) ) { |
| 1136 | sb.append( seconds ); |
| 1137 | if ( SECOND_FRACTION == fractionUnit ) { |
| 1138 | appendFraction( sb ); |
| 1139 | } |
| 1140 | sb.append( SECOND_DESIGNATOR ); |
| 1141 | } |
| 1142 | } |
| 1143 | } |
| 1144 | } |
| 1145 | } |
| 1146 | else { |
| 1147 | // alternative |
| 1148 | sb.append( padIntString( years, 4 ) ); |
| 1149 | if ( extended ) { |
| 1150 | sb.append( HYPHEN ); |
| 1151 | } |
| 1152 | sb.append( padIntString( months, 2 ) ); |
| 1153 | if ( extended ) { |
| 1154 | sb.append( HYPHEN ); |
| 1155 | } |
| 1156 | sb.append( padIntString( days, 2 ) ); |
| 1157 | if ( extended ) { |
| 1158 | sb.append( TIME_DESIGNATOR ); |
| 1159 | } |
| 1160 | sb.append( padIntString( hours, 2 ) ); |
| 1161 | if ( extended ) { |
| 1162 | sb.append( COLON ); |
| 1163 | } |
| 1164 | sb.append( padIntString( minutes, 2 ) ); |
| 1165 | if ( extended ) { |
| 1166 | sb.append( COLON ); |
| 1167 | } |
| 1168 | sb.append( padIntString( seconds, 2 ) ); |
| 1169 | if ( SECOND_FRACTION == fractionUnit ) { |
| 1170 | appendFraction( sb ); |
| 1171 | } |
| 1172 | } |
| 1173 | return sb.toString(); |
| 1174 | } |
| 1175 | |
| 1176 | /** |
| 1177 | * append this duration's fraction (including decimal separator) to given string buffer |
| 1178 | * @param sb string buffer to which to append this duration's fraction |
| 1179 | */ |
| 1180 | private void appendFraction( StringBuffer sb ) { |
| 1181 | DecimalFormatSymbols dfs = |
| 1182 | ( ( null == locale ) |
| 1183 | ? new DecimalFormatSymbols() |
| 1184 | : new DecimalFormatSymbols( locale ) ); |
| 1185 | sb.append( dfs.getDecimalSeparator() ); |
| 1186 | sb.append( fraction ); |
| 1187 | } |
| 1188 | |
| 1189 | } |