17935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert/* 2f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert* Copyright (C) 2008-2015, International Business Machines 37935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert* Corporation and others. All Rights Reserved. 47935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert*/ 57935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 67935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertpackage com.ibm.icu.text; 77935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 87935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport java.io.IOException; 97935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport java.io.ObjectInputStream; 107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport java.text.FieldPosition; 117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport java.text.ParsePosition; 127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport java.util.Collections; 137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport java.util.HashMap; 147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport java.util.Locale; 157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport java.util.Map; 167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport com.ibm.icu.impl.CalendarData; 187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport com.ibm.icu.impl.ICUCache; 197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport com.ibm.icu.impl.SimpleCache; 207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport com.ibm.icu.text.DateIntervalInfo.PatternInfo; 217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport com.ibm.icu.util.Calendar; 227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport com.ibm.icu.util.DateInterval; 237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport com.ibm.icu.util.Output; 247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport com.ibm.icu.util.TimeZone; 257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport com.ibm.icu.util.ULocale; 267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertimport com.ibm.icu.util.ULocale.Category; 277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert/** 307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateIntervalFormat is a class for formatting and parsing date 317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * intervals in a language-independent manner. 327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Only formatting is supported. Parsing is not supported. 337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Date interval means from one date to another date, 367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * for example, from "Jan 11, 2008" to "Jan 18, 2008". 377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * We introduced class DateInterval to represent it. 387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateInterval is a pair of UDate, which is 397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the standard milliseconds since 24:00 GMT, Jan 1, 1970. 407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateIntervalFormat formats a DateInterval into 437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * text as compactly as possible. 447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example, the date interval format from "Jan 11, 2008" to "Jan 18,. 2008" 457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * is "Jan 11-18, 2008" for English. 467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * And it parses text into DateInterval, 477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * although initially, parsing is not supported. 487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * There is no structural information in date time patterns. 517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For any punctuations and string literals inside a date time pattern, 527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * we do not know whether it is just a separator, or a prefix, or a suffix. 537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Without such information, so, it is difficult to generate a sub-pattern 547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * (or super-pattern) by algorithm. 557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * So, formatting a DateInterval is pattern-driven. It is very 567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * similar to formatting in SimpleDateFormat. 577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * We introduce class DateIntervalInfo to save date interval 587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * patterns, similar to date time pattern in SimpleDateFormat. 597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Logically, the interval patterns are mappings 627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * from (skeleton, the_largest_different_calendar_field) 637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * to (date_interval_pattern). 647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * A skeleton 677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <ol> 687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <li> 697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * only keeps the field pattern letter and ignores all other parts 707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * in a pattern, such as space, punctuations, and string literals. 717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <li> 727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * hides the order of fields. 737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <li> 747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * might hide a field's pattern letter length. 757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For those non-digit calendar fields, the pattern letter length is 777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * important, such as MMM, MMMM, and MMMMM; EEE and EEEE, 787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * and the field's pattern letter length is honored. 797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For the digit calendar fields, such as M or MM, d or dd, yy or yyyy, 817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the field pattern length is ignored and the best match, which is defined 827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * in date time patterns, will be returned without honor the field pattern 837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * letter length in skeleton. 847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * </ol> 857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * The calendar fields we support for interval formatting are: 887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * year, month, date, day-of-week, am-pm, hour, hour-of-day, and minute. 897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Those calendar fields can be defined in the following order: 907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * year > month > date > hour (in day) > minute 917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * The largest different calendar fields between 2 calendars is the 937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * first different calendar field in above order. 947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example: the largest different calendar fields between "Jan 10, 2007" 967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * and "Feb 20, 2008" is year. 977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For other calendar fields, the compact interval formatting is not 1007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * supported. And the interval format will be fall back to fall-back 1017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * patterns, which is mostly "{date0} - {date1}". 1027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 1047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * There is a set of pre-defined static skeleton strings in DateFormat, 1057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * There are pre-defined interval patterns for those pre-defined skeletons 1067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * in locales' resource files. 1077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example, for a skeleton YEAR_ABBR_MONTH_DAY, which is "yMMMd", 1087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * in en_US, if the largest different calendar field between date1 and date2 1097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * is "year", the date interval pattern is "MMM d, yyyy - MMM d, yyyy", 1107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * such as "Jan 10, 2007 - Jan 10, 2008". 1117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * If the largest different calendar field between date1 and date2 is "month", 1127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the date interval pattern is "MMM d - MMM d, yyyy", 1137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * such as "Jan 10 - Feb 10, 2007". 1147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * If the largest different calendar field between date1 and date2 is "day", 1157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the date interval pattern is ""MMM d-d, yyyy", such as "Jan 10-20, 2007". 1167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For date skeleton, the interval patterns when year, or month, or date is 1187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * different are defined in resource files. 1197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For time skeleton, the interval patterns when am/pm, or hour, or minute is 1207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * different are defined in resource files. 1217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 1237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * If a skeleton is not found in a locale's DateIntervalInfo, which means 1247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the interval patterns for the skeleton is not defined in resource file, 1257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the interval pattern will falls back to the interval "fallback" pattern 1267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * defined in resource file. 1277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * If the interval "fallback" pattern is not defined, the default fall-back 1287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * is "{date0} - {data1}". 1297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 1317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For the combination of date and time, 1327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * The rule to genearte interval patterns are: 1337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <ol> 1347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <li> 1357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * when the year, month, or day differs, falls back to fall-back 1367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * interval pattern, which mostly is the concatenate the two original 1377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * expressions with a separator between, 1387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example, interval pattern from "Jan 10, 2007 10:10 am" 1397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * to "Jan 11, 2007 10:10am" is 1407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * "Jan 10, 2007 10:10 am - Jan 11, 2007 10:10am" 1417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <li> 1427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * otherwise, present the date followed by the range expression 1437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * for the time. 1447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example, interval pattern from "Jan 10, 2007 10:10 am" 1457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * to "Jan 10, 2007 11:10am" is "Jan 10, 2007 10:10 am - 11:10am" 1467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * </ol> 1477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 1507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * If two dates are the same, the interval pattern is the single date pattern. 1517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example, interval pattern from "Jan 10, 2007" to "Jan 10, 2007" is 1527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * "Jan 10, 2007". 1537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Or if the presenting fields between 2 dates have the exact same values, 1557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the interval pattern is the single date pattern. 1567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example, if user only requests year and month, 1577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the interval pattern from "Jan 10, 2007" to "Jan 20, 2007" is "Jan 2007". 1587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 1607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateIntervalFormat needs the following information for correct 1617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * formatting: time zone, calendar type, pattern, date format symbols, 1627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * and date interval patterns. 1637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * It can be instantiated in several ways: 1647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <ol> 1657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <li> 1667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * create an instance using default or given locale plus given skeleton. 1677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Users are encouraged to created date interval formatter this way and 1687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * to use the pre-defined skeleton macros, such as 1697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * YEAR_NUM_MONTH, which consists the calendar fields and 1707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the format style. 1717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * </li> 1727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <li> 1737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * create an instance using default or given locale plus given skeleton 1747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * plus a given DateIntervalInfo. 1757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * This factory method is for powerful users who want to provide their own 1767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * interval patterns. 1777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Locale provides the timezone, calendar, and format symbols information. 1787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Local plus skeleton provides full pattern information. 1797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateIntervalInfo provides the date interval patterns. 1807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * </li> 1817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * </ol> 1827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 1847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For the calendar field pattern letter, such as G, y, M, d, a, h, H, m, s etc. 1857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateIntervalFormat uses the same syntax as that of 1867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateTime format. 1877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 1897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Code Sample: general usage 1907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <pre> 1917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * // the date interval object which the DateIntervalFormat formats on 1937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * // and parses into 1947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateInterval dtInterval = new DateInterval(1000*3600*24L, 1000*3600*24*2L); 1957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateIntervalFormat dtIntervalFmt = DateIntervalFormat.getInstance( 1967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * YEAR_MONTH_DAY, Locale("en", "GB", "")); 1977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * StringBuffer str = new StringBuffer(""); 1987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * FieldPosition pos = new FieldPosition(0); 1997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * // formatting 2007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * dtIntervalFmt.format(dtInterval, dateIntervalString, pos); 2017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * </pre> 2037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 2057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Code Sample: for powerful users who wants to use their own interval pattern 2067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <pre> 2077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * import com.ibm.icu.text.DateIntervalInfo; 2097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * import com.ibm.icu.text.DateIntervalFormat; 2107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * .................... 2117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * // Get DateIntervalFormat instance using default locale 2137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateIntervalFormat dtitvfmt = DateIntervalFormat.getInstance(YEAR_MONTH_DAY); 2147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * // Create an empty DateIntervalInfo object, which does not have any interval patterns inside. 2167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * dtitvinf = new DateIntervalInfo(); 2177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * // a series of set interval patterns. 2197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * // Only ERA, YEAR, MONTH, DATE, DAY_OF_MONTH, DAY_OF_WEEK, AM_PM, HOUR, HOUR_OF_DAY, and MINUTE are supported. 2207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * dtitvinf.setIntervalPattern("yMMMd", Calendar.YEAR, "'y ~ y'"); 2217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * dtitvinf.setIntervalPattern("yMMMd", Calendar.MONTH, "yyyy 'diff' MMM d - MMM d"); 2227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * dtitvinf.setIntervalPattern("yMMMd", Calendar.DATE, "yyyy MMM d ~ d"); 2237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * dtitvinf.setIntervalPattern("yMMMd", Calendar.HOUR_OF_DAY, "yyyy MMM d HH:mm ~ HH:mm"); 2247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * // Set fallback interval pattern. Fallback pattern is used when interval pattern is not found. 2267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * // If the fall-back pattern is not set, falls back to {date0} - {date1} if interval pattern is not found. 2277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * dtitvinf.setFallbackIntervalPattern("{0} - {1}"); 2287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * // Set above DateIntervalInfo object as the interval patterns of date interval formatter 2307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * dtitvfmt.setDateIntervalInfo(dtitvinf); 2317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * // Prepare to format 2337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * pos = new FieldPosition(0); 2347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * str = new StringBuffer(""); 2357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * // The 2 calendars should be equivalent, otherwise, IllegalArgumentException will be thrown by format() 2377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Calendar fromCalendar = (Calendar) dtfmt.getCalendar().clone(); 2387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Calendar toCalendar = (Calendar) dtfmt.getCalendar().clone(); 2397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * fromCalendar.setTimeInMillis(....); 2407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * toCalendar.setTimeInMillis(...); 2417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * //Formatting given 2 calendars 2437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * dtitvfmt.format(fromCalendar, toCalendar, str, pos); 2447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * </pre> 2477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 2487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 2497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 2507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubertpublic class DateIntervalFormat extends UFormat { 2517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 2527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private static final long serialVersionUID = 1; 2537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 2547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 2557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Used to save the information for a skeleton's best match skeleton. 2567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * It is package accessible since it is used in DateIntervalInfo too. 2577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 2587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert static final class BestMatchInfo { 2597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // the best match skeleton 2607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert final String bestMatchSkeleton; 2617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // 0 means the best matched skeleton is the same as input skeleton 2627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // 1 means the fields are the same, but field width are different 2637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // 2 means the only difference between fields are v/z, 2647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // -1 means there are other fields difference 2657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert final int bestMatchDistanceInfo; 2667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert BestMatchInfo(String bestSkeleton, int difference) { 2677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert bestMatchSkeleton = bestSkeleton; 2687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert bestMatchDistanceInfo = difference; 2697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 2707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 2717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 2727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 2737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 2747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Used to save the information on a skeleton and its best match. 2757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 2767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private static final class SkeletonAndItsBestMatch { 2777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert final String skeleton; 2787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert final String bestMatchSkeleton; 2797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert SkeletonAndItsBestMatch(String skeleton, String bestMatch) { 2807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert this.skeleton = skeleton; 2817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert bestMatchSkeleton = bestMatch; 2827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 2837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 2847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 2857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 2867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // Cache for the locale interval pattern 2877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private static ICUCache<String, Map<String, PatternInfo>> LOCAL_PATTERN_CACHE = 2887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert new SimpleCache<String, Map<String, PatternInfo>>(); 2897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 2907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 2917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * The interval patterns for this locale. 2927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 2937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private DateIntervalInfo fInfo; 2947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 2957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 2967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * The DateFormat object used to format single pattern 2977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 2987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private SimpleDateFormat fDateFormat; 2997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 3007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 3017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * The 2 calendars with the from and to date. 3027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * could re-use the calendar in fDateFormat, 3037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * but keeping 2 calendars make it clear and clean. 3047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 3057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private Calendar fFromCalendar; 3067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private Calendar fToCalendar; 3077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 3087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 3097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Following are transient interval information 3107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * relavent (locale) to this formatter. 3117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 3127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private String fSkeleton = null; 3137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 3147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 3157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Needed for efficient deserialization. If set, it means we can use the 3167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * cache to initialize fIntervalPatterns. 3177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 3187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private boolean isDateIntervalInfoDefault; 3197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 3207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 3217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Interval patterns for this instance's locale. 3227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 3237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private transient Map<String, PatternInfo> fIntervalPatterns = null; 3247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 3257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 3267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 3277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * default constructor; private because we don't want anyone to use 3287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 3297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert @SuppressWarnings("unused") 3307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private DateIntervalFormat() { 3317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 3327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 3337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 3347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Construct a DateIntervalFormat from DateFormat, 3357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * a DateIntervalInfo, and skeleton. 3367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateFormat provides the timezone, calendar, 3377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * full pattern, and date format symbols information. 3387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * It should be a SimpleDateFormat object which 3397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * has a pattern in it. 3407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the DateIntervalInfo provides the interval patterns. 3417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param skeleton the skeleton of the date formatter 3437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param dtItvInfo the DateIntervalInfo object to be adopted. 3447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param simpleDateFormat will be used for formatting 3457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @internal 3477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @deprecated This API is ICU internal only. 3487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 3497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert @Deprecated 3507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public DateIntervalFormat(String skeleton, DateIntervalInfo dtItvInfo, 3517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert SimpleDateFormat simpleDateFormat) 3527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 3537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fDateFormat = simpleDateFormat; 3547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // freeze date interval info 3557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert dtItvInfo.freeze(); 3567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fSkeleton = skeleton; 3577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fInfo = dtItvInfo; 3587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert isDateIntervalInfoDefault = false; 3597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fFromCalendar = (Calendar) fDateFormat.getCalendar().clone(); 3607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fToCalendar = (Calendar) fDateFormat.getCalendar().clone(); 3617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert initializePattern(null); 3627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 3637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 3647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private DateIntervalFormat(String skeleton, ULocale locale, 3657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert SimpleDateFormat simpleDateFormat) 3667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 3677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fDateFormat = simpleDateFormat; 3687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fSkeleton = skeleton; 3697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fInfo = new DateIntervalInfo(locale).freeze(); 3707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert isDateIntervalInfoDefault = true; 3717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fFromCalendar = (Calendar) fDateFormat.getCalendar().clone(); 3727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fToCalendar = (Calendar) fDateFormat.getCalendar().clone(); 3737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert initializePattern(LOCAL_PATTERN_CACHE); 3747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert} 3757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 3767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 3777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 3787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Construct a DateIntervalFormat from skeleton and the default <code>FORMAT</code> locale. 3797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * This is a convenient override of 3817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * getInstance(String skeleton, ULocale locale) 3827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * with the value of locale as default <code>FORMAT</code> locale. 3837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param skeleton the skeleton on which interval format based. 3857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return a date time interval formatter. 3867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @see Category#FORMAT 3877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 3887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 3897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public static final DateIntervalFormat 3907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert getInstance(String skeleton) 3917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 3927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 3937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return getInstance(skeleton, ULocale.getDefault(Category.FORMAT)); 3947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 3957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 3967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 3977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 3987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Construct a DateIntervalFormat from skeleton and a given locale. 3997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 4007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * This is a convenient override of 4017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * getInstance(String skeleton, ULocale locale) 4027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 4037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <p>Example code:{@.jcite com.ibm.icu.samples.text.dateintervalformat.DateIntervalFormatSample:---dtitvfmtPreDefinedExample} 4047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param skeleton the skeleton on which interval format based. 4057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param locale the given locale 4067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return a date time interval formatter. 4077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 4087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 4097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public static final DateIntervalFormat 4107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert getInstance(String skeleton, Locale locale) 4117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 4127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return getInstance(skeleton, ULocale.forLocale(locale)); 4137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 4147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 4157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 4167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 4177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Construct a DateIntervalFormat from skeleton and a given locale. 4187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 4197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * In this factory method, 4207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the date interval pattern information is load from resource files. 4217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Users are encouraged to created date interval formatter this way and 4227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * to use the pre-defined skeleton macros. 4237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 4247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 4257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * There are pre-defined skeletons in DateFormat, 4267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * such as MONTH_DAY, YEAR_MONTH_WEEKDAY_DAY etc. 4277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 4287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Those skeletons have pre-defined interval patterns in resource files. 4297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Users are encouraged to use them. 4307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example: 4317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateIntervalFormat.getInstance(DateFormat.MONTH_DAY, false, loc); 4327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 4337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * The given Locale provides the interval patterns. 4347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example, for en_GB, if skeleton is YEAR_ABBR_MONTH_WEEKDAY_DAY, 4357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * which is "yMMMEEEd", 4367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the interval patterns defined in resource file to above skeleton are: 4377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * "EEE, d MMM, yyyy - EEE, d MMM, yyyy" for year differs, 4387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * "EEE, d MMM - EEE, d MMM, yyyy" for month differs, 4397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * "EEE, d - EEE, d MMM, yyyy" for day differs, 4407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param skeleton the skeleton on which interval format based. 4417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param locale the given locale 4427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return a date time interval formatter. 4437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 4447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 4457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public static final DateIntervalFormat 4467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert getInstance(String skeleton, ULocale locale) 4477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 4487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateTimePatternGenerator generator = DateTimePatternGenerator.getInstance(locale); 4497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return new DateIntervalFormat(skeleton, locale, new SimpleDateFormat(generator.getBestPattern(skeleton), locale)); 4507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 4517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 4527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 4537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 4547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 4557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Construct a DateIntervalFormat from skeleton 4567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateIntervalInfo, and the default <code>FORMAT</code> locale. 4577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 4587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * This is a convenient override of 4597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * getInstance(String skeleton, ULocale locale, DateIntervalInfo dtitvinf) 4607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * with the locale value as default <code>FORMAT</code> locale. 4617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 4627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param skeleton the skeleton on which interval format based. 4637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param dtitvinf the DateIntervalInfo object to be adopted. 4647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return a date time interval formatter. 4657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @see Category#FORMAT 4667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 4677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 4687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public static final DateIntervalFormat getInstance(String skeleton, 4697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateIntervalInfo dtitvinf) 4707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 4717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return getInstance(skeleton, ULocale.getDefault(Category.FORMAT), dtitvinf); 4727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 4737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 4747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 4757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 4767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 4777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Construct a DateIntervalFormat from skeleton 4787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * a DateIntervalInfo, and the given locale. 4797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 4807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * This is a convenient override of 4817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * getInstance(String skeleton, ULocale locale, DateIntervalInfo dtitvinf) 4827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 4837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <p>Example code:{@.jcite com.ibm.icu.samples.text.dateintervalformat.DateIntervalFormatSample:---dtitvfmtCustomizedExample} 4847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param skeleton the skeleton on which interval format based. 4857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param locale the given locale 4867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param dtitvinf the DateIntervalInfo object to be adopted. 4877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return a date time interval formatter. 4887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 4897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 4907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public static final DateIntervalFormat getInstance(String skeleton, 4917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Locale locale, 4927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateIntervalInfo dtitvinf) 4937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 4947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return getInstance(skeleton, ULocale.forLocale(locale), dtitvinf); 4957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 4967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 4977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 4987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 4997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 5007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Construct a DateIntervalFormat from skeleton 5017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * a DateIntervalInfo, and the given locale. 5027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 5037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 5047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * In this factory method, user provides its own date interval pattern 5057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * information, instead of using those pre-defined data in resource file. 5067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * This factory method is for powerful users who want to provide their own 5077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * interval patterns. 5087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 5097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 5107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * There are pre-defined skeleton in DateFormat, 5117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * such as MONTH_DAY, YEAR_MONTH_WEEKDAY_DAY etc. 5127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 5137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Those skeletons have pre-defined interval patterns in resource files. 5147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Users are encouraged to use them. 5157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example: 5167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateIntervalFormat.getInstance(DateFormat.MONTH_DAY, false, loc,itvinf); 5177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 5187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the DateIntervalInfo provides the interval patterns. 5197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 5207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * User are encouraged to set default interval pattern in DateIntervalInfo 5217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * as well, if they want to set other interval patterns ( instead of 5227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * reading the interval patterns from resource files). 5237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * When the corresponding interval pattern for a largest calendar different 5247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * field is not found ( if user not set it ), interval format fallback to 5257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the default interval pattern. 5267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * If user does not provide default interval pattern, it fallback to 5277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * "{date0} - {date1}" 5287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 5297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param skeleton the skeleton on which interval format based. 5307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param locale the given locale 5317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param dtitvinf the DateIntervalInfo object to be adopted. 5327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return a date time interval formatter. 5337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 5347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 5357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public static final DateIntervalFormat getInstance(String skeleton, 5367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ULocale locale, 5377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateIntervalInfo dtitvinf) 5387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 5397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // clone. If it is frozen, clone returns itself, otherwise, clone 5407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // returns a copy. 5417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert dtitvinf = (DateIntervalInfo)dtitvinf.clone(); 5427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateTimePatternGenerator generator = DateTimePatternGenerator.getInstance(locale); 5437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return new DateIntervalFormat(skeleton, dtitvinf, new SimpleDateFormat(generator.getBestPattern(skeleton), locale)); 5447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 5457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 5467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 5477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 5487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Clone this Format object polymorphically. 5497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return A copy of the object. 5507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 5517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 5527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public Object clone() 5537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 5547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateIntervalFormat other = (DateIntervalFormat) super.clone(); 5557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert other.fDateFormat = (SimpleDateFormat) fDateFormat.clone(); 5567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert other.fInfo = (DateIntervalInfo) fInfo.clone(); 5577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert other.fFromCalendar = (Calendar) fFromCalendar.clone(); 5587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert other.fToCalendar = (Calendar) fToCalendar.clone(); 5597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return other; 5607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 5617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 5627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 5637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 5647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Format an object to produce a string. This method handles Formattable 5657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * objects with a DateInterval type. 5667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * If a the Formattable object type is not a DateInterval, 5677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * IllegalArgumentException is thrown. 5687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 5697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param obj The object to format. 5707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Must be a DateInterval. 5717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param appendTo Output parameter to receive result. 5727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Result is appended to existing contents. 5737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param fieldPosition On input: an alignment field, if desired. 5747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * On output: the offsets of the alignment field. 5757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return Reference to 'appendTo' parameter. 5767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @throws IllegalArgumentException if the formatted object is not 5777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateInterval object 5787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 5797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 5807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public final StringBuffer 5817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert format(Object obj, StringBuffer appendTo, FieldPosition fieldPosition) 5827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 5837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( obj instanceof DateInterval ) { 5847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return format( (DateInterval)obj, appendTo, fieldPosition); 5857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 5867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert else { 5877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert throw new IllegalArgumentException("Cannot format given Object (" + obj.getClass().getName() + ") as a DateInterval"); 5887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 5897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 5907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 5917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 5927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Format a DateInterval to produce a string. 5937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 5947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param dtInterval DateInterval to be formatted. 5957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param appendTo Output parameter to receive result. 5967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Result is appended to existing contents. 5977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param fieldPosition On input: an alignment field, if desired. 5987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * On output: the offsets of the alignment field. 5997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return Reference to 'appendTo' parameter. 6007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 6017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 6027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public final StringBuffer format(DateInterval dtInterval, 6037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuffer appendTo, 6047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert FieldPosition fieldPosition) 6057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 6067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fFromCalendar.setTimeInMillis(dtInterval.getFromDate()); 6077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fToCalendar.setTimeInMillis(dtInterval.getToDate()); 6087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return format(fFromCalendar, fToCalendar, appendTo, fieldPosition); 6097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 6107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 6117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 6127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @internal 6137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @deprecated This API is ICU internal only. 6147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 6157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert @Deprecated 6167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public String getPatterns(Calendar fromCalendar, 6177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Calendar toCalendar, 6187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Output<String> part2) { 6197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // First, find the largest different calendar field. 6207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int field; 6217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( fromCalendar.get(Calendar.ERA) != toCalendar.get(Calendar.ERA) ) { 6227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.ERA; 6237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( fromCalendar.get(Calendar.YEAR) != 6247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert toCalendar.get(Calendar.YEAR) ) { 6257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.YEAR; 6267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( fromCalendar.get(Calendar.MONTH) != 6277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert toCalendar.get(Calendar.MONTH) ) { 6287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.MONTH; 6297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( fromCalendar.get(Calendar.DATE) != 6307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert toCalendar.get(Calendar.DATE) ) { 6317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.DATE; 6327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( fromCalendar.get(Calendar.AM_PM) != 6337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert toCalendar.get(Calendar.AM_PM) ) { 6347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.AM_PM; 6357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( fromCalendar.get(Calendar.HOUR) != 6367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert toCalendar.get(Calendar.HOUR) ) { 6377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.HOUR; 6387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( fromCalendar.get(Calendar.MINUTE) != 6397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert toCalendar.get(Calendar.MINUTE) ) { 6407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.MINUTE; 6417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else { 6427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return null; 6437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 6447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert PatternInfo intervalPattern = fIntervalPatterns.get( 6457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateIntervalInfo.CALENDAR_FIELD_TO_PATTERN_LETTER[field]); 6467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert part2.value = intervalPattern.getSecondPart(); 6477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return intervalPattern.getFirstPart(); 6487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 6497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 6507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Format 2 Calendars to produce a string. 6517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 6527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param fromCalendar calendar set to the from date in date interval 6537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * to be formatted into date interval string 6547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param toCalendar calendar set to the to date in date interval 6557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * to be formatted into date interval string 6567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param appendTo Output parameter to receive result. 6577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Result is appended to existing contents. 6587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param pos On input: an alignment field, if desired. 6597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * On output: the offsets of the alignment field. 6607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return Reference to 'appendTo' parameter. 6617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @throws IllegalArgumentException if the two calendars are not equivalent. 6627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 6637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 6647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public final StringBuffer format(Calendar fromCalendar, 6657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Calendar toCalendar, 6667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuffer appendTo, 6677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert FieldPosition pos) 6687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 6697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // not support different calendar types and time zones 6707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( !fromCalendar.isEquivalentTo(toCalendar) ) { 6717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert throw new IllegalArgumentException("can not format on two different calendars"); 6727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 6737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 6747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // First, find the largest different calendar field. 6757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int field = -1; //init with an invalid value. 6767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 6777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( fromCalendar.get(Calendar.ERA) != toCalendar.get(Calendar.ERA) ) { 6787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.ERA; 6797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( fromCalendar.get(Calendar.YEAR) != 6807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert toCalendar.get(Calendar.YEAR) ) { 6817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.YEAR; 6827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( fromCalendar.get(Calendar.MONTH) != 6837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert toCalendar.get(Calendar.MONTH) ) { 6847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.MONTH; 6857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( fromCalendar.get(Calendar.DATE) != 6867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert toCalendar.get(Calendar.DATE) ) { 6877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.DATE; 6887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( fromCalendar.get(Calendar.AM_PM) != 6897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert toCalendar.get(Calendar.AM_PM) ) { 6907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.AM_PM; 6917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( fromCalendar.get(Calendar.HOUR) != 6927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert toCalendar.get(Calendar.HOUR) ) { 6937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.HOUR; 6947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( fromCalendar.get(Calendar.MINUTE) != 6957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert toCalendar.get(Calendar.MINUTE) ) { 6967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert field = Calendar.MINUTE; 6977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else { 6987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* ignore the second/millisecond etc. small fields' difference. 6997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * use single date when all the above are the same. 7007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 7017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return fDateFormat.format(fromCalendar, appendTo, pos); 7027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 7037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 7047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // get interval pattern 7057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert PatternInfo intervalPattern = fIntervalPatterns.get( 7067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateIntervalInfo.CALENDAR_FIELD_TO_PATTERN_LETTER[field]); 7077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 7087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( intervalPattern == null ) { 7097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( fDateFormat.isFieldUnitIgnored(field) ) { 7107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* the largest different calendar field is small than 7117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the smallest calendar field in pattern, 7127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * return single date format. 7137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 7147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return fDateFormat.format(fromCalendar, appendTo, pos); 7157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 7167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 7177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return fallbackFormat(fromCalendar, toCalendar, appendTo, pos); 7187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 7197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 7207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // If the first part in interval pattern is empty, 7217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // the 2nd part of it saves the full-pattern used in fall-back. 7227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // For a 'real' interval pattern, the first part will never be empty. 7237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( intervalPattern.getFirstPart() == null ) { 7247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // fall back 7257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return fallbackFormat(fromCalendar, toCalendar, appendTo, pos, 7267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPattern.getSecondPart()); 7277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 7287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Calendar firstCal; 7297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Calendar secondCal; 7307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( intervalPattern.firstDateInPtnIsLaterDate() ) { 7317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert firstCal = toCalendar; 7327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert secondCal = fromCalendar; 7337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else { 7347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert firstCal = fromCalendar; 7357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert secondCal = toCalendar; 7367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 7377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // break the interval pattern into 2 parts 7387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // first part should not be empty, 7397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String originalPattern = fDateFormat.toPattern(); 7407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fDateFormat.applyPattern(intervalPattern.getFirstPart()); 7417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fDateFormat.format(firstCal, appendTo, pos); 7427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( intervalPattern.getSecondPart() != null ) { 7437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fDateFormat.applyPattern(intervalPattern.getSecondPart()); 7447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fDateFormat.format(secondCal, appendTo, pos); 7457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 7467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fDateFormat.applyPattern(originalPattern); 7477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return appendTo; 7487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 7497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 7507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 7517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 7527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Format 2 Calendars to using fall-back interval pattern 7537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 7547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * The full pattern used in this fall-back format is the 7557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * full pattern of the date formatter. 7567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 7577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param fromCalendar calendar set to the from date in date interval 7587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * to be formatted into date interval string 7597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param toCalendar calendar set to the to date in date interval 7607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * to be formatted into date interval string 7617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param appendTo Output parameter to receive result. 7627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Result is appended to existing contents. 7637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param pos On input: an alignment field, if desired. 7647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * On output: the offsets of the alignment field. 7657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return Reference to 'appendTo' parameter. 7667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 7677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private final StringBuffer fallbackFormat(Calendar fromCalendar, 7687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Calendar toCalendar, 7697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuffer appendTo, 7707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert FieldPosition pos) { 7717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // the fall back 7727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuffer earlierDate = new StringBuffer(64); 7737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert earlierDate = fDateFormat.format(fromCalendar, earlierDate, pos); 7747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuffer laterDate = new StringBuffer(64); 7757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert laterDate = fDateFormat.format(toCalendar, laterDate, pos); 7767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String fallbackPattern = fInfo.getFallbackIntervalPattern(); 7777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String fallback = MessageFormat.format(fallbackPattern, new Object[] 7787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert {earlierDate.toString(), laterDate.toString()}); 7797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert appendTo.append(fallback); 7807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return appendTo; 7817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 7827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 7837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 7847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 7857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Format 2 Calendars to using fall-back interval pattern 7867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 7877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * This fall-back pattern is generated on a given full pattern, 7887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * not the full pattern of the date formatter. 7897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 7907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param fromCalendar calendar set to the from date in date interval 7917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * to be formatted into date interval string 7927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param toCalendar calendar set to the to date in date interval 7937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * to be formatted into date interval string 7947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param appendTo Output parameter to receive result. 7957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Result is appended to existing contents. 7967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param pos On input: an alignment field, if desired. 7977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * On output: the offsets of the alignment field. 7987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param fullPattern the full pattern need to apply to date formatter 7997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return Reference to 'appendTo' parameter. 8007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 8017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private final StringBuffer fallbackFormat(Calendar fromCalendar, 8027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Calendar toCalendar, 8037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuffer appendTo, 8047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert FieldPosition pos, 8057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String fullPattern) { 8067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String originalPattern = fDateFormat.toPattern(); 8077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fDateFormat.applyPattern(fullPattern); 8087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fallbackFormat(fromCalendar, toCalendar, appendTo, pos); 8097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fDateFormat.applyPattern(originalPattern); 8107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return appendTo; 8117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 8127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 8137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 8147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 8157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Date interval parsing is not supported. 8167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 8177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * This method should handle parsing of 8187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * date time interval strings into Formattable objects with 8197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * DateInterval type, which is a pair of UDate. 8207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 8217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 8227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Before calling, set parse_pos.index to the offset you want to start 8237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * parsing at in the source. After calling, parse_pos.index is the end of 8247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the text you parsed. If error occurs, index is unchanged. 8257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 8267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * When parsing, leading whitespace is discarded (with a successful parse), 8277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * while trailing whitespace is left as is. 8287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * <P> 8297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * See Format.parseObject() for more. 8307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 8317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param source The string to be parsed into an object. 8327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param parse_pos The position to start parsing at. Since no parsing 8337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * is supported, upon return this param is unchanged. 8347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return A newly created Formattable* object, or NULL 8357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * on failure. 8367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @internal 8377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @deprecated This API is ICU internal only. 8387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 8397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert @Deprecated 8407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public Object parseObject(String source, ParsePosition parse_pos) 8417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 8427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert throw new UnsupportedOperationException("parsing is not supported"); 8437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 8447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 8457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 8467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 8477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Gets the date time interval patterns. 8487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return a copy of the date time interval patterns associated with 8497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * this date interval formatter. 8507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 8517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 8527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public DateIntervalInfo getDateIntervalInfo() 8537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 8547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return (DateIntervalInfo)fInfo.clone(); 8557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 8567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 8577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 8587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 8597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Set the date time interval patterns. 8607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param newItvPattern the given interval patterns to copy. 8617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 8627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 8637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public void setDateIntervalInfo(DateIntervalInfo newItvPattern) 8647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 8657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // clone it. If it is frozen, the clone returns itself. 8667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // Otherwise, clone returns a copy 8677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fInfo = (DateIntervalInfo)newItvPattern.clone(); 8687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert this.isDateIntervalInfoDefault = false; 8697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fInfo.freeze(); // freeze it 8707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( fDateFormat != null ) { 8717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert initializePattern(null); 8727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 8737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 8747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 8757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 8767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Get the TimeZone 8777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return A copy of the TimeZone associated with this date interval formatter. 878f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert * @stable ICU 53 8797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 8807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public TimeZone getTimeZone() 8817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 8827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( fDateFormat != null ) { 8837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // Here we clone, like other getters here, but unlike 8847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // DateFormat.getTimeZone() and Calendar.getTimeZone() 8857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // which return the TimeZone from the Calendar's zone variable 8867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return (TimeZone)(fDateFormat.getTimeZone().clone()); 8877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 8887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // If fDateFormat is null (unexpected), return default timezone. 8897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return TimeZone.getDefault(); 8907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 8917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 8927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 8937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 8947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Set the TimeZone for the calendar used by this DateIntervalFormat object. 8957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param zone The new TimeZone, will be cloned for use by this DateIntervalFormat. 896f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert * @stable ICU 53 8977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 8987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public void setTimeZone(TimeZone zone) 8997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 9007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // zone is cloned once for all three usages below: 9017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert TimeZone zoneToSet = (TimeZone)zone.clone(); 9027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if (fDateFormat != null) { 9037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fDateFormat.setTimeZone(zoneToSet); 9047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 9057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // fDateFormat has the master calendar for the DateIntervalFormat; 9067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // fFromCalendar and fToCalendar are internal work clones of that calendar. 9077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if (fFromCalendar != null) { 9087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fFromCalendar.setTimeZone(zoneToSet); 9097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 9107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if (fToCalendar != null) { 9117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fToCalendar.setTimeZone(zoneToSet); 9127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 9137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 9147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 9157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /** 9167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Gets the date formatter 9177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return a copy of the date formatter associated with 9187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * this date interval formatter. 9197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @stable ICU 4.0 9207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 9217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert public DateFormat getDateFormat() 9227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 9237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return (DateFormat)fDateFormat.clone(); 9247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 9257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 9267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 9277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 9287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Below are for generating interval patterns locale to the formatter 9297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 9307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 9317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 9327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Initialize interval patterns locale to this formatter. 9337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 9347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private void initializePattern(ICUCache<String, Map<String, PatternInfo>> cache) { 9357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String fullPattern = fDateFormat.toPattern(); 9367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ULocale locale = fDateFormat.getLocale(); 9377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String key = null; 9387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Map<String, PatternInfo> patterns = null; 9397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if (cache != null) { 9407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( fSkeleton != null ) { 9417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert key = locale.toString() + "+" + fullPattern + "+" + fSkeleton; 9427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else { 9437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert key = locale.toString() + "+" + fullPattern; 9447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 9457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert patterns = cache.get(key); 9467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 9477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if (patterns == null) { 9487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Map<String, PatternInfo> intervalPatterns = initializeIntervalPattern(fullPattern, locale); 9497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert patterns = Collections.unmodifiableMap(intervalPatterns); 9507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if (cache != null) { 9517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert cache.put(key, patterns); 9527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 9537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 9547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fIntervalPatterns = patterns; 9557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 9567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 9577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 9587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 9597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 9607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Initialize interval patterns locale to this formatter 9617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 9627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * This code is a bit complicated since 9637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1. the interval patterns saved in resource bundle files are interval 9647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * patterns based on date or time only. 9657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * It does not have interval patterns based on both date and time. 9667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Interval patterns on both date and time are algorithm generated. 9677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 9687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example, it has interval patterns on skeleton "dMy" and "hm", 9697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * but it does not have interval patterns on skeleton "dMyhm". 9707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 9717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * The rule to generate interval patterns for both date and time skeleton are 9727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1) when the year, month, or day differs, concatenate the two original 9737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * expressions with a separator between, 9747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example, interval pattern from "Jan 10, 2007 10:10 am" 9757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * to "Jan 11, 2007 10:10am" is 9767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * "Jan 10, 2007 10:10 am - Jan 11, 2007 10:10am" 9777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 9787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2) otherwise, present the date followed by the range expression 9797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * for the time. 9807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example, interval pattern from "Jan 10, 2007 10:10 am" 9817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * to "Jan 10, 2007 11:10am" is 9827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * "Jan 10, 2007 10:10 am - 11:10am" 9837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 9847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2. even a pattern does not request a certain calendar field, 9857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the interval pattern needs to include such field if such fields are 9867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * different between 2 dates. 9877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example, a pattern/skeleton is "hm", but the interval pattern 9887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * includes year, month, and date when year, month, and date differs. 9897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 9907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 9917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param fullPattern formatter's full pattern 9927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param locale the given locale. 9937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return interval patterns' hash map 9947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 9957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private Map<String, PatternInfo> initializeIntervalPattern(String fullPattern, ULocale locale) { 9967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateTimePatternGenerator dtpng = DateTimePatternGenerator.getInstance(locale); 9977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( fSkeleton == null ) { 9987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // fSkeleton is already set by getDateIntervalInstance() 9997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // or by getInstance(String skeleton, .... ) 10007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fSkeleton = dtpng.getSkeleton(fullPattern); 10017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 10027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String skeleton = fSkeleton; 10037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 10047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert HashMap<String, PatternInfo> intervalPatterns = new HashMap<String, PatternInfo>(); 10057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 10067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* Check whether the skeleton is a combination of date and time. 10077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For the complication reason 1 explained above. 10087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 10097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuilder date = new StringBuilder(skeleton.length()); 10107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuilder normalizedDate = new StringBuilder(skeleton.length()); 10117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuilder time = new StringBuilder(skeleton.length()); 10127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuilder normalizedTime = new StringBuilder(skeleton.length()); 10137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 10147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* the difference between time skeleton and normalizedTimeSkeleton are: 10157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1. (Formerly, normalized time skeleton folded 'H' to 'h'; no longer true) 10167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2. 'a' is omitted in normalized time skeleton. 10177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3. there is only one appearance for 'h', 'm','v', 'z' in normalized 10187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * time skeleton 10197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 10207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * The difference between date skeleton and normalizedDateSkeleton are: 10217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1. both 'y' and 'd' appear only once in normalizeDateSkeleton 10227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2. 'E' and 'EE' are normalized into 'EEE' 10237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3. 'MM' is normalized into 'M' 10247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 10257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert getDateTimeSkeleton(skeleton, date, normalizedDate, 10267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert time, normalizedTime); 10277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 10287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String dateSkeleton = date.toString(); 10297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String timeSkeleton = time.toString(); 10307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String normalizedDateSkeleton = normalizedDate.toString(); 10317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String normalizedTimeSkeleton = normalizedTime.toString(); 10327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 10337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert boolean found = genSeparateDateTimePtn(normalizedDateSkeleton, 10347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedTimeSkeleton, 10357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns); 10367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 10377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( found == false ) { 10387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // use fallback 10397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // TODO: if user asks "m", but "d" differ 10407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert //StringBuffer skeleton = new StringBuffer(skeleton); 10417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( time.length() != 0 ) { 10427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert //genFallbackForNotFound(Calendar.MINUTE, skeleton); 10437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert //genFallbackForNotFound(Calendar.HOUR, skeleton); 10447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert //genFallbackForNotFound(Calendar.AM_PM, skeleton); 10457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( date.length() == 0 ) { 10467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // prefix with yMd 10477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert timeSkeleton = DateFormat.YEAR_NUM_MONTH_DAY + timeSkeleton; 10487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String pattern =dtpng.getBestPattern(timeSkeleton); 10497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // for fall back interval patterns, 10507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // the first part of the pattern is empty, 10517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // the second part of the pattern is the full-pattern 10527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // should be used in fall-back. 10537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert PatternInfo ptn = new PatternInfo(null, pattern, 10547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fInfo.getDefaultOrder()); 10557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns.put(DateIntervalInfo. 10567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert CALENDAR_FIELD_TO_PATTERN_LETTER[Calendar.DATE], ptn); 10577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // share interval pattern 10587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns.put(DateIntervalInfo. 10597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert CALENDAR_FIELD_TO_PATTERN_LETTER[Calendar.MONTH], ptn); 10607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // share interval pattern 10617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns.put(DateIntervalInfo. 10627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert CALENDAR_FIELD_TO_PATTERN_LETTER[Calendar.YEAR], ptn); 10637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else { 10647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert //genFallbackForNotFound(Calendar.DATE, skeleton); 10657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert //genFallbackForNotFound(Calendar.MONTH, skeleton); 10667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert //genFallbackForNotFound(Calendar.YEAR, skeleton); 10677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 10687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else { 10697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert //genFallbackForNotFound(Calendar.DATE, skeleton); 10707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert //genFallbackForNotFound(Calendar.MONTH, skeleton); 10717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert //genFallbackForNotFound(Calendar.YEAR, skeleton); 10727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 10737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return intervalPatterns; 10747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } // end of skeleton not found 10757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // interval patterns for skeleton are found in resource 10767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( time.length() == 0 ) { 10777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // done 10787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( date.length() == 0 ) { 10797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // need to set up patterns for y/M/d differ 10807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* result from following looks confusing. 10817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * for example: 10 10:10 - 11 10:10, it is not 10827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * clear that the first 10 is the 10th day 10837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert time.insert(0, 'd'); 10847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert genFallbackPattern(Calendar.DATE, time); 10857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert time.insert(0, 'M'); 10867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert genFallbackPattern(Calendar.MONTH, time); 10877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert time.insert(0, 'y'); 10887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert genFallbackPattern(Calendar.YEAR, time); 10897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 10907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // prefix with yMd 10917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert timeSkeleton = DateFormat.YEAR_NUM_MONTH_DAY + timeSkeleton; 10927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String pattern =dtpng.getBestPattern(timeSkeleton); 10937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // for fall back interval patterns, 10947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // the first part of the pattern is empty, 10957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // the second part of the pattern is the full-pattern 10967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // should be used in fall-back. 10977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert PatternInfo ptn = new PatternInfo( 10987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert null, pattern, fInfo.getDefaultOrder()); 10997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns.put(DateIntervalInfo. 11007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert CALENDAR_FIELD_TO_PATTERN_LETTER[Calendar.DATE], ptn); 11017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns.put(DateIntervalInfo. 11027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert CALENDAR_FIELD_TO_PATTERN_LETTER[Calendar.MONTH], ptn); 11037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns.put(DateIntervalInfo. 11047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert CALENDAR_FIELD_TO_PATTERN_LETTER[Calendar.YEAR], ptn); 11057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else { 11067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* if both present, 11077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1) when the year, month, or day differs, 11087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * concatenate the two original expressions with a separator between, 11097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2) otherwise, present the date followed by the 11107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * range expression for the time. 11117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 11127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 11137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1) when the year, month, or day differs, 11147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * concatenate the two original expressions with a separator between, 11157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 11167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // if field exists, use fall back 11177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( !fieldExistsInSkeleton(Calendar.DATE, dateSkeleton) ) { 11187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // prefix skeleton with 'd' 11197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert skeleton = DateIntervalInfo. 11207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert CALENDAR_FIELD_TO_PATTERN_LETTER[Calendar.DATE] + skeleton; 11217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert genFallbackPattern(Calendar.DATE, skeleton, intervalPatterns, dtpng); 11227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 11237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( !fieldExistsInSkeleton(Calendar.MONTH, dateSkeleton) ) { 11247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // then prefix skeleton with 'M' 11257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert skeleton = DateIntervalInfo. 11267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert CALENDAR_FIELD_TO_PATTERN_LETTER[Calendar.MONTH] + skeleton; 11277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert genFallbackPattern(Calendar.MONTH, skeleton, intervalPatterns, dtpng); 11287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 11297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( !fieldExistsInSkeleton(Calendar.YEAR, dateSkeleton) ) { 11307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // then prefix skeleton with 'y' 11317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert skeleton = DateIntervalInfo. 11327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert CALENDAR_FIELD_TO_PATTERN_LETTER[Calendar.YEAR] + skeleton; 11337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert genFallbackPattern(Calendar.YEAR, skeleton, intervalPatterns, dtpng); 11347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 11357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 11367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 11377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2) otherwise, present the date followed by the 11387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * range expression for the time. 11397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 11407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // Need the Date/Time pattern for concatnation the date with 11417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // the time interval. 11427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // The date/time pattern ( such as {0} {1} ) is saved in 11437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // calendar, that is why need to get the CalendarData here. 11447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert CalendarData calData = new CalendarData(locale, null); 11457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String[] patterns = calData.getDateTimePatterns(); 11467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String datePattern =dtpng.getBestPattern(dateSkeleton); 11477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert concatSingleDate2TimeInterval(patterns[8], datePattern, Calendar.AM_PM, intervalPatterns); 11487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert concatSingleDate2TimeInterval(patterns[8], datePattern, Calendar.HOUR, intervalPatterns); 11497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert concatSingleDate2TimeInterval(patterns[8], datePattern, Calendar.MINUTE, intervalPatterns); 11507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 11517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 11527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return intervalPatterns; 11537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 11547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 11557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 11567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 11577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Generate fall back interval pattern given a calendar field, 11587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * a skeleton, and a date time pattern generator 11597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param field the largest different calendar field 11607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param skeleton a skeleton 11617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param dtpng date time pattern generator 11627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param intervalPatterns interval patterns 11637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 11647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private void genFallbackPattern(int field, String skeleton, 11657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Map<String, PatternInfo> intervalPatterns, 11667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateTimePatternGenerator dtpng) { 11677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String pattern = dtpng.getBestPattern(skeleton); 11687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // for fall back interval patterns, 11697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // the first part of the pattern is empty, 11707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // the second part of the pattern is the full-pattern 11717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // should be used in fall-back. 11727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert PatternInfo ptn = new PatternInfo( 11737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert null, pattern, fInfo.getDefaultOrder()); 11747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns.put( 11757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateIntervalInfo.CALENDAR_FIELD_TO_PATTERN_LETTER[field], ptn); 11767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 11777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 11787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 11797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 11807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 11817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private void genFallbackForNotFound(String field, StringBuffer skeleton) { 11827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( SimpleDateFormat.isFieldUnitIgnored(skeleton.toString(), field) ) { 11837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // single date 11847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateIntervalInfo.PatternInfo ptnInfo = 11857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert new DateIntervalInfo.PatternInfo(null, fDateFormat.toPattern(), 11867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fInfo.getDefaultOrder()); 11877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fIntervalPatterns.put(field, ptnInfo); 11887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return; 11897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else if ( skeleton.indexOf(field) == -1 ) { 11907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert skeleton.insert(0,field); 11917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert genFallbackPattern(field, skeleton, dtpng); 11927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 11937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 11947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 11957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 11967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 11977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * get separated date and time skeleton from a combined skeleton. 11987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 11997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * The difference between date skeleton and normalizedDateSkeleton are: 12007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1. both 'y' and 'd' are appeared only once in normalizeDateSkeleton 12017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2. 'E' and 'EE' are normalized into 'EEE' 12027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3. 'MM' is normalized into 'M' 12037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 12047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ** the difference between time skeleton and normalizedTimeSkeleton are: 12057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1. both 'H' and 'h' are normalized as 'h' in normalized time skeleton, 12067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2. 'a' is omitted in normalized time skeleton. 12077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3. there is only one appearance for 'h', 'm','v', 'z' in normalized time 12087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * skeleton 12097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 12107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 12117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param skeleton given combined skeleton. 12127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param date Output parameter for date only skeleton. 12137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param normalizedDate Output parameter for normalized date only 12147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 12157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param time Output parameter for time only skeleton. 12167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param normalizedTime Output parameter for normalized time only 12177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * skeleton. 12187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 12197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private static void getDateTimeSkeleton(String skeleton, 12207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuilder dateSkeleton, 12217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuilder normalizedDateSkeleton, 12227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuilder timeSkeleton, 12237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuilder normalizedTimeSkeleton) 12247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 12257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // dateSkeleton follows the sequence of y*M*E*d* 12267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // timeSkeleton follows the sequence of hm*[v|z]? 12277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int i; 12287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int ECount = 0; 12297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int dCount = 0; 12307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int MCount = 0; 12317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int yCount = 0; 12327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int hCount = 0; 12337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int HCount = 0; 12347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int mCount = 0; 12357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int vCount = 0; 12367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int zCount = 0; 12377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 12387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert for (i = 0; i < skeleton.length(); ++i) { 12397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert char ch = skeleton.charAt(i); 12407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert switch ( ch ) { 12417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'E': 12427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert dateSkeleton.append(ch); 12437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ++ECount; 12447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert break; 12457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'd': 12467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert dateSkeleton.append(ch); 12477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ++dCount; 12487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert break; 12497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'M': 12507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert dateSkeleton.append(ch); 12517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ++MCount; 12527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert break; 12537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'y': 12547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert dateSkeleton.append(ch); 12557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ++yCount; 12567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert break; 12577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'G': 12587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'Y': 12597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'u': 12607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'Q': 12617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'q': 12627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'L': 12637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'l': 12647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'W': 12657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'w': 12667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'D': 12677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'F': 12687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'g': 12697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'e': 12707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'c': 1271f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert case 'U': 1272f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert case 'r': 12737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedDateSkeleton.append(ch); 12747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert dateSkeleton.append(ch); 12757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert break; 12767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'a': 12777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // 'a' is implicitly handled 12787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert timeSkeleton.append(ch); 12797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert break; 12807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'h': 12817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert timeSkeleton.append(ch); 12827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ++hCount; 12837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert break; 12847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'H': 12857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert timeSkeleton.append(ch); 12867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ++HCount; 12877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert break; 12887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'm': 12897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert timeSkeleton.append(ch); 12907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ++mCount; 12917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert break; 12927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'z': 12937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ++zCount; 12947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert timeSkeleton.append(ch); 12957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert break; 12967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'v': 12977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ++vCount; 12987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert timeSkeleton.append(ch); 12997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert break; 13007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'V': 13017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'Z': 13027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'k': 13037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'K': 13047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'j': 13057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 's': 13067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'S': 13077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert case 'A': 13087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert timeSkeleton.append(ch); 13097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedTimeSkeleton.append(ch); 13107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert break; 13117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 13147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* generate normalized form for date*/ 13157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( yCount != 0 ) { 13167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert for (i = 0; i < yCount; i++) { 13177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedDateSkeleton.append('y'); 13187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( MCount != 0 ) { 13217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( MCount < 3 ) { 13227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedDateSkeleton.append('M'); 13237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else { 13247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert for ( i = 0; i < MCount && i < 5; ++i ) { 13257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedDateSkeleton.append('M'); 13267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( ECount != 0 ) { 13307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( ECount <= 3 ) { 13317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedDateSkeleton.append('E'); 13327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else { 13337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert for ( i = 0; i < ECount && i < 5; ++i ) { 13347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedDateSkeleton.append('E'); 13357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( dCount != 0 ) { 13397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedDateSkeleton.append('d'); 13407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 13427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* generate normalized form for time */ 13437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( HCount != 0 ) { 13447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedTimeSkeleton.append('H'); 13457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert else if ( hCount != 0 ) { 13477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedTimeSkeleton.append('h'); 13487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( mCount != 0 ) { 13507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedTimeSkeleton.append('m'); 13517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( zCount != 0 ) { 13537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedTimeSkeleton.append('z'); 13547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( vCount != 0 ) { 13567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert normalizedTimeSkeleton.append('v'); 13577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 13607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 13617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 13627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 13637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Generate date or time interval pattern from resource. 13647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 13657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * It needs to handle the following: 13667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1. need to adjust field width. 13677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * For example, the interval patterns saved in DateIntervalInfo 13687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * includes "dMMMy", but not "dMMMMy". 13697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Need to get interval patterns for dMMMMy from dMMMy. 13707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Another example, the interval patterns saved in DateIntervalInfo 13717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * includes "hmv", but not "hmz". 13727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Need to get interval patterns for "hmz' from 'hmv' 13737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 13747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2. there might be no pattern for 'y' differ for skeleton "Md", 13757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * in order to get interval patterns for 'y' differ, 13767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * need to look for it from skeleton 'yMd' 13777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 13787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param dateSkeleton normalized date skeleton 13797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param timeSkeleton normalized time skeleton 13807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param intervalPatterns interval patterns 13817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return whether there is interval patterns for the skeleton. 13827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * true if there is, false otherwise 13837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 13847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private boolean genSeparateDateTimePtn(String dateSkeleton, 13857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String timeSkeleton, 13867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Map<String, PatternInfo> intervalPatterns) 13877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 13887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String skeleton; 13897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // if both date and time skeleton present, 13907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // the final interval pattern might include time interval patterns 13917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // ( when, am_pm, hour, minute differ ), 13927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // but not date interval patterns ( when year, month, day differ ). 13937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // For year/month/day differ, it falls back to fall-back pattern. 13947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( timeSkeleton.length() != 0 ) { 13957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert skeleton = timeSkeleton; 13967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else { 13977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert skeleton = dateSkeleton; 13987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 13997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 14007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* interval patterns for skeleton "dMMMy" (but not "dMMMMy") 14017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * are defined in resource, 14027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * interval patterns for skeleton "dMMMMy" are calculated by 14037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1. get the best match skeleton for "dMMMMy", which is "dMMMy" 14047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2. get the interval patterns for "dMMMy", 14057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3. extend "MMM" to "MMMM" in above interval patterns for "dMMMMy" 14067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * getBestSkeleton() is step 1. 14077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 14087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // best skeleton, and the difference information 14097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert BestMatchInfo retValue = fInfo.getBestSkeleton(skeleton); 14107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String bestSkeleton = retValue.bestMatchSkeleton; 14117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int differenceInfo = retValue.bestMatchDistanceInfo; 14127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 14137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // difference: 14147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // 0 means the best matched skeleton is the same as input skeleton 14157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // 1 means the fields are the same, but field width are different 14167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // 2 means the only difference between fields are v/z, 14177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // -1 means there are other fields difference 14187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( differenceInfo == -1 ) { 14197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // skeleton has different fields, not only v/z difference 14207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return false; 14217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 14227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 14237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( timeSkeleton.length() == 0 ) { 14247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // only has date skeleton 14257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert genIntervalPattern(Calendar.DATE, skeleton, bestSkeleton, differenceInfo, intervalPatterns); 14267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert SkeletonAndItsBestMatch skeletons = genIntervalPattern( 14277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Calendar.MONTH, skeleton, 14287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert bestSkeleton, differenceInfo, 14297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns); 14307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( skeletons != null ) { 14317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert bestSkeleton = skeletons.skeleton; 14327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert skeleton = skeletons.bestMatchSkeleton; 14337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 14347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert genIntervalPattern(Calendar.YEAR, skeleton, bestSkeleton, differenceInfo, intervalPatterns); 14357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else { 14367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert genIntervalPattern(Calendar.MINUTE, skeleton, bestSkeleton, differenceInfo, intervalPatterns); 14377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert genIntervalPattern(Calendar.HOUR, skeleton, bestSkeleton, differenceInfo, intervalPatterns); 14387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert genIntervalPattern(Calendar.AM_PM, skeleton, bestSkeleton, differenceInfo, intervalPatterns); 14397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 14407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return true; 14417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 14427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 14437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 14447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 14457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 14467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 14477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Generate interval pattern from existing resource 14487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 14497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * It not only save the interval patterns, 14507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * but also return the skeleton and its best match skeleton. 14517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 14527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param field largest different calendar field 14537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param skeleton skeleton 14547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param bestSkeleton the best match skeleton which has interval pattern 14557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * defined in resource 14567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param differenceInfo the difference between skeleton and best skeleton 14577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 0 means the best matched skeleton is the same as input skeleton 14587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1 means the fields are the same, but field width are different 14597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2 means the only difference between fields are v/z, 14607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * -1 means there are other fields difference 14617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 14627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param intervalPatterns interval patterns 14637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 14647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return an extended skeleton or extended best skeleton if applicable. 14657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * null otherwise. 14667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 14677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private SkeletonAndItsBestMatch genIntervalPattern( 14687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int field, String skeleton, String bestSkeleton, 14697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int differenceInfo, Map<String, PatternInfo> intervalPatterns) { 14707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert SkeletonAndItsBestMatch retValue = null; 14717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert PatternInfo pattern = fInfo.getIntervalPattern( 14727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert bestSkeleton, field); 14737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( pattern == null ) { 14747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // single date 14757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( SimpleDateFormat.isFieldUnitIgnored(bestSkeleton, field) ) { 14767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert PatternInfo ptnInfo = 14777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert new PatternInfo(fDateFormat.toPattern(), 14787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert null, 14797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert fInfo.getDefaultOrder()); 14807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns.put(DateIntervalInfo. 14817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert CALENDAR_FIELD_TO_PATTERN_LETTER[field], ptnInfo); 14827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return null; 14837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 14847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 14857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // for 24 hour system, interval patterns in resource file 14867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // might not include pattern when am_pm differ, 14877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // which should be the same as hour differ. 14887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // add it here for simplicity 14897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( field == Calendar.AM_PM ) { 14907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert pattern = fInfo.getIntervalPattern(bestSkeleton, 14917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Calendar.HOUR); 14927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( pattern != null ) { 14937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // share 14947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns.put(DateIntervalInfo. 14957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert CALENDAR_FIELD_TO_PATTERN_LETTER[field], 14967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert pattern); 14977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 14987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return null; 14997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 15007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // else, looking for pattern when 'y' differ for 'dMMMM' skeleton, 15017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // first, get best match pattern "MMMd", 15027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // since there is no pattern for 'y' differs for skeleton 'MMMd', 15037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // need to look for it from skeleton 'yMMMd', 15047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // if found, adjust field width in interval pattern from 15057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // "MMM" to "MMMM". 15067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String fieldLetter = 15077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateIntervalInfo.CALENDAR_FIELD_TO_PATTERN_LETTER[field]; 15087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert bestSkeleton = fieldLetter + bestSkeleton; 15097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert skeleton = fieldLetter + skeleton; 15107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // for example, looking for patterns when 'y' differ for 15117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // skeleton "MMMM". 15127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert pattern = fInfo.getIntervalPattern(bestSkeleton, field); 15137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( pattern == null && differenceInfo == 0 ) { 15147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // if there is no skeleton "yMMMM" defined, 15157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // look for the best match skeleton, for example: "yMMM" 15167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert BestMatchInfo tmpRetValue = fInfo.getBestSkeleton(skeleton); 15177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String tmpBestSkeleton = tmpRetValue.bestMatchSkeleton; 15187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert differenceInfo = tmpRetValue.bestMatchDistanceInfo; 15197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( tmpBestSkeleton.length() != 0 && differenceInfo != -1 ) { 15207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert pattern = fInfo.getIntervalPattern(tmpBestSkeleton, field); 15217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert bestSkeleton = tmpBestSkeleton; 15227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 15237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 15247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( pattern != null ) { 15257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert retValue = new SkeletonAndItsBestMatch(skeleton, bestSkeleton); 15267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 15277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 15287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( pattern != null ) { 15297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( differenceInfo != 0 ) { 15307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String part1 = adjustFieldWidth(skeleton, bestSkeleton, 15317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert pattern.getFirstPart(), differenceInfo); 15327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String part2 = adjustFieldWidth(skeleton, bestSkeleton, 15337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert pattern.getSecondPart(), differenceInfo); 15347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert pattern = new PatternInfo(part1, part2, 15357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert pattern.firstDateInPtnIsLaterDate()); 15367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else { 15377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // pattern is immutable, no need to clone; 15387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // pattern = (PatternInfo)pattern.clone(); 15397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 15407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns.put( 15417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateIntervalInfo.CALENDAR_FIELD_TO_PATTERN_LETTER[field], pattern); 15427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 15437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return retValue; 15447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 15457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 15467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 15477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Adjust field width in best match interval pattern to match 15487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the field width in input skeleton. 15497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 15507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * TODO (xji) make a general solution 15517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * The adjusting rule can be: 15527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1. always adjust 15537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2. never adjust 15547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3. default adjust, which means adjust according to the following rules 15557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3.1 always adjust string, such as MMM and MMMM 15567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3.2 never adjust between string and numeric, such as MM and MMM 15577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3.3 always adjust year 15587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3.4 do not adjust 'd', 'h', or 'm' if h presents 15597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 3.5 do not adjust 'M' if it is numeric(?) 15607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 15617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Since date interval format is well-formed format, 15627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * date and time skeletons are normalized previously, 15637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * till this stage, the adjust here is only "adjust strings, such as MMM 15647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * and MMMM, EEE and EEEE. 15657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 15667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param inputSkeleton the input skeleton 15677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param bestMatchSkeleton the best match skeleton 15687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param bestMatchIntervalpattern the best match interval pattern 15697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param differenceInfo the difference between 2 skeletons 15707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 1 means only field width differs 15717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * 2 means v/z exchange 15727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return the adjusted interval pattern 15737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 15747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private static String adjustFieldWidth(String inputSkeleton, 15757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String bestMatchSkeleton, 15767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String bestMatchIntervalPattern, 15777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int differenceInfo ) { 15787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 15797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( bestMatchIntervalPattern == null ) { 15807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return null; // the 2nd part could be null 15817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 15827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int[] inputSkeletonFieldWidth = new int[58]; 15837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int[] bestMatchSkeletonFieldWidth = new int[58]; 15847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 15857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* initialize as following 15867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 15877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // A B C D E F G H I J K L M N O 15887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // P Q R S T U V W X Y Z 15907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // a b c d e f g h i j k l m n o 15927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // p q r s t u v w x y z 15947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert }; 15967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 15977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 15987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 15997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateIntervalInfo.parseSkeleton(inputSkeleton, inputSkeletonFieldWidth); 16007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateIntervalInfo.parseSkeleton(bestMatchSkeleton, bestMatchSkeletonFieldWidth); 16017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( differenceInfo == 2 ) { 16027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert bestMatchIntervalPattern = bestMatchIntervalPattern.replace('v', 'z'); 16037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 16057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert StringBuilder adjustedPtn = new StringBuilder(bestMatchIntervalPattern); 16067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 16077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert boolean inQuote = false; 16087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert char prevCh = 0; 16097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int count = 0; 16107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 16117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int PATTERN_CHAR_BASE = 0x41; 16127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 16137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // loop through the pattern string character by character 16147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int adjustedPtnLength = adjustedPtn.length(); 16157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert for (int i = 0; i < adjustedPtnLength; ++i) { 16167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert char ch = adjustedPtn.charAt(i); 16177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if (ch != prevCh && count > 0) { 16187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // check the repeativeness of pattern letter 16197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert char skeletonChar = prevCh; 16207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( skeletonChar == 'L' ) { 16217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // for skeleton "M+", the pattern is "...L..." 16227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert skeletonChar = 'M'; 16237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int fieldCount = bestMatchSkeletonFieldWidth[skeletonChar - PATTERN_CHAR_BASE]; 16257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int inputFieldCount = inputSkeletonFieldWidth[skeletonChar - PATTERN_CHAR_BASE]; 16267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( fieldCount == count && inputFieldCount > fieldCount ) { 16277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert count = inputFieldCount - fieldCount; 16287935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert for ( int j = 0; j < count; ++j ) { 16297935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert adjustedPtn.insert(i, prevCh); 16307935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16317935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert i += count; 16327935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert adjustedPtnLength += count; 16337935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16347935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert count = 0; 16357935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16367935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if (ch == '\'') { 16377935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // Consecutive single quotes are a single quote literal, 16387935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // either outside of quotes or between quotes 16397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ((i+1) < adjustedPtn.length() && adjustedPtn.charAt(i+1) == '\'') { 16407935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ++i; 16417935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } else { 16427935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert inQuote = ! inQuote; 16437935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16447935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16457935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert else if ( ! inQuote && ((ch >= 0x0061 /*'a'*/ && ch <= 0x007A /*'z'*/) 16467935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert || (ch >= 0x0041 /*'A'*/ && ch <= 0x005A /*'Z'*/))) { 16477935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // ch is a date-time pattern character 16487935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert prevCh = ch; 16497935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert ++count; 16507935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16517935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16527935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( count > 0 ) { 16537935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // last item 16547935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // check the repeativeness of pattern letter 16557935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert char skeletonChar = prevCh; 16567935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( skeletonChar == 'L' ) { 16577935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // for skeleton "M+", the pattern is "...L..." 16587935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert skeletonChar = 'M'; 16597935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16607935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int fieldCount = bestMatchSkeletonFieldWidth[skeletonChar - PATTERN_CHAR_BASE]; 16617935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int inputFieldCount = inputSkeletonFieldWidth[skeletonChar - PATTERN_CHAR_BASE]; 16627935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( fieldCount == count && inputFieldCount > fieldCount ) { 16637935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert count = inputFieldCount - fieldCount; 16647935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert for ( int j = 0; j < count; ++j ) { 16657935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert adjustedPtn.append(prevCh); 16667935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16677935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16687935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16697935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return adjustedPtn.toString(); 16707935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 16717935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 16727935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 16737935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 16747935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * Concat a single date pattern with a time interval pattern, 16757935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * set it into the intervalPatterns, while field is time field. 16767935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * This is used to handle time interval patterns on skeleton with 16777935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * both time and date. Present the date followed by 16787935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * the range expression for the time. 16797935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param dtfmt date and time format 16807935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param datePattern date pattern 16817935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param field time calendar field: AM_PM, HOUR, MINUTE 16827935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param intervalPatterns interval patterns 16837935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 16847935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private void concatSingleDate2TimeInterval(String dtfmt, 16857935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String datePattern, 16867935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert int field, 16877935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert Map<String, PatternInfo> intervalPatterns) 16887935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 16897935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 16907935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert PatternInfo timeItvPtnInfo = 16917935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns.get(DateIntervalInfo.CALENDAR_FIELD_TO_PATTERN_LETTER[field]); 16927935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert if ( timeItvPtnInfo != null ) { 16937935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String timeIntervalPattern = timeItvPtnInfo.getFirstPart() + 16947935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert timeItvPtnInfo.getSecondPart(); 16957935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String pattern = MessageFormat.format(dtfmt, new Object[] 16967935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert {timeIntervalPattern, datePattern}); 16977935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert timeItvPtnInfo = DateIntervalInfo.genPatternInfo(pattern, 16987935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert timeItvPtnInfo.firstDateInPtnIsLaterDate()); 16997935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert intervalPatterns.put( 17007935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert DateIntervalInfo.CALENDAR_FIELD_TO_PATTERN_LETTER[field], timeItvPtnInfo); 17017935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 17027935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // else: fall back 17037935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert // it should not happen if the interval format defined is valid 17047935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 17057935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 17067935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 17077935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 17087935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * check whether a calendar field present in a skeleton. 17097935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param field calendar field need to check 17107935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @param skeleton given skeleton on which to check the calendar field 17117935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * @return true if field present in a skeleton. 17127935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 17137935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private static boolean fieldExistsInSkeleton(int field, String skeleton) 17147935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert { 17157935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert String fieldChar = DateIntervalInfo.CALENDAR_FIELD_TO_PATTERN_LETTER[field]; 17167935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert return ( (skeleton.indexOf(fieldChar) == -1) ? false : true ) ; 17177935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 17187935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 17197935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert 17207935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert /* 17217935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert * readObject. 17227935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert */ 17237935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert private void readObject(ObjectInputStream stream) 17247935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert throws IOException, ClassNotFoundException { 17257935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert stream.defaultReadObject(); 17267935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert initializePattern(isDateIntervalInfoDefault ? LOCAL_PATTERN_CACHE : null); 17277935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert } 1728f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert 1729f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert /** 1730f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert * Get the internal patterns for the skeleton 1731f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert * @internal CLDR 1732f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert * @deprecated This API is ICU internal only. 1733f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert */ 1734f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert @Deprecated 1735f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert public Map<String, PatternInfo> getRawPatterns() { 1736f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert // this is unmodifiable, so ok to return directly 1737f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert return fIntervalPatterns; 1738f716bda031dccdec5e47bb40e758c5901d209729Fredrik Roubert } 17397935b1839a081ed19ae0d33029ad3c09632a2caaFredrik Roubert} 1740