diff options
Diffstat (limited to 'libjava/java/text/DateFormat.java')
| -rw-r--r-- | libjava/java/text/DateFormat.java | 218 |
1 files changed, 212 insertions, 6 deletions
diff --git a/libjava/java/text/DateFormat.java b/libjava/java/text/DateFormat.java index da07fdde1ae..f19817ee2da 100644 --- a/libjava/java/text/DateFormat.java +++ b/libjava/java/text/DateFormat.java @@ -70,29 +70,221 @@ public abstract class DateFormat extends Format implements Cloneable /* These constants need to have these exact values. They * correspond to index positions within the localPatternChars - * string for a given locale. For example, the US locale uses - * the string "GyMdkHmsSEDFwWahKz", where 'G' is the character - * for era, 'y' for year, and so on down to 'z' for time zone. + * string for a given locale. Each locale may specify its + * own character for a particular field, but the position + * of these characters must correspond to an appropriate field + * number (as listed below), in order for their meaning to + * be determined. For example, the US locale uses + * the string "GyMdkHmsSEDFwWahKzYeugAZ", where 'G' is the character + * for era, 'y' for year, and so on down to 'Z' for time zone. */ + /** + * Represents the position of the era + * pattern character in the array of + * localized pattern characters. + * For example, 'AD' is an era used + * in the Gregorian calendar system. + * In the U.S. locale, this is 'G'. + */ public static final int ERA_FIELD = 0; + /** + * Represents the position of the year + * pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'y'. + */ public static final int YEAR_FIELD = 1; + /** + * Represents the position of the month + * pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'M'. + */ public static final int MONTH_FIELD = 2; + /** + * Represents the position of the date + * or day of the month pattern character + * in the array of localized pattern + * characters. In the U.S. locale, + * this is 'd'. + */ public static final int DATE_FIELD = 3; + /** + * Represents the position of the 24 + * hour pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'k'. + * This field numbers hours from 1 to 24. + */ public static final int HOUR_OF_DAY1_FIELD = 4; + /** + * Represents the position of the 24 + * hour pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'H'. + * This field numbers hours from 0 to 23. + */ public static final int HOUR_OF_DAY0_FIELD = 5; + /** + * Represents the position of the minute + * pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'm'. + */ public static final int MINUTE_FIELD = 6; + /** + * Represents the position of the second + * pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 's'. + */ public static final int SECOND_FIELD = 7; + /** + * Represents the position of the millisecond + * pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'S'. + */ public static final int MILLISECOND_FIELD = 8; + /** + * Represents the position of the day of the + * week pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'E'. + */ public static final int DAY_OF_WEEK_FIELD = 9; + /** + * Represents the position of the day of the + * year pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'D'. + */ public static final int DAY_OF_YEAR_FIELD = 10; + /** + * Represents the position of the day of the + * week in the month pattern character in the + * array of localized pattern characters. + * In the U.S. locale, this is 'F'. + */ public static final int DAY_OF_WEEK_IN_MONTH_FIELD = 11; + /** + * Represents the position of the week of the + * year pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'w'. + */ public static final int WEEK_OF_YEAR_FIELD = 12; + /** + * Represents the position of the week of the + * month pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'W'. + */ public static final int WEEK_OF_MONTH_FIELD = 13; + /** + * Represents the position of the am/pm + * pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'a'. + */ public static final int AM_PM_FIELD = 14; + /** + * Represents the position of the 12 + * hour pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'h'. + * This field numbers hours from 1 to 12. + */ public static final int HOUR1_FIELD = 15; + /** + * Represents the position of the 12 + * hour pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'K'. + * This field numbers hours from 0 to 11. + */ public static final int HOUR0_FIELD = 16; + /** + * Represents the position of the generic + * timezone pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'z'. + */ public static final int TIMEZONE_FIELD = 17; - + /** + * Represents the position of the ISO year + * pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'Y'. + * This is a GNU extension in accordance with + * the CLDR data used. This value may + * differ from the normal year value. + */ + public static final int ISO_YEAR_FIELD = 18; + /** + * Represents the position of the localized + * day of the week pattern character in the + * array of localized pattern characters. + * In the U.S. locale, this is 'e'. + * This is a GNU extension in accordance with + * the CLDR data used. This value only + * differs from the day of the week with + * numeric formatting, in which case the + * locale's first day of the week is used. + */ + public static final int LOCALIZED_DAY_OF_WEEK_FIELD = 19; + /** + * Represents the position of the extended year + * pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'u'. + * This is a GNU extension in accordance with + * the CLDR data used. This value modifies + * the year value, so as to incorporate the era. + * For example, in the Gregorian calendar system, + * the extended year is negative instead of being + * marked as BC. + */ + public static final int EXTENDED_YEAR_FIELD = 20; + /** + * Represents the position of the modified Julian + * day pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'g'. + * This is a GNU extension in accordance with + * the CLDR data used. This value differs + * from the standard Julian day in that days + * are marked from midnight onwards rather than + * noon, and the local time zone affects the value. + * In simple terms, it can be thought of as all + * the date fields represented as a single number. + */ + public static final int MODIFIED_JULIAN_DAY_FIELD = 21; + /** + * Represents the position of the millisecond + * in the day pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'A'. + * This is a GNU extension in accordance with + * the CLDR data used. This value represents + * all the time fields (excluding the time zone) + * numerically, giving the number of milliseconds + * into the day (e.g. 10 in the morning would + * be 10 * 60 * 60 * 1000). Any daylight savings + * offset also affects this value. + */ + public static final int MILLISECOND_IN_DAY_FIELD = 22; + /** + * Represents the position of the RFC822 + * timezone pattern character in the array of + * localized pattern characters. + * In the U.S. locale, this is 'Z'. + * This is a GNU extension in accordance with + * the CLDR data used. The value is the offset + * of the current time from GMT e.g. -0500 would + * be five hours prior to GMT. + */ + public static final int RFC822_TIMEZONE_FIELD = 23; public static class Field extends Format.Field { @@ -136,14 +328,28 @@ public abstract class DateFormat extends Format implements Cloneable = new Field("hour0", Calendar.HOUR); public static final DateFormat.Field TIME_ZONE = new Field("timezone", Calendar.ZONE_OFFSET); - + public static final DateFormat.Field ISO_YEAR + = new Field("iso year", Calendar.YEAR); + public static final DateFormat.Field LOCALIZED_DAY_OF_WEEK + = new Field("localized day of week", Calendar.DAY_OF_WEEK); + public static final DateFormat.Field EXTENDED_YEAR + = new Field("extended year", Calendar.YEAR); + public static final DateFormat.Field MODIFIED_JULIAN_DAY + = new Field("julian day", -1); + public static final DateFormat.Field MILLISECOND_IN_DAY + = new Field("millisecond in day", -1); + public static final DateFormat.Field RFC822_TIME_ZONE + = new Field("rfc822 timezone", Calendar.ZONE_OFFSET); + static final DateFormat.Field[] allFields = { ERA, YEAR, MONTH, DAY_OF_MONTH, HOUR_OF_DAY1, HOUR_OF_DAY0, MINUTE, SECOND, MILLISECOND, DAY_OF_WEEK, DAY_OF_YEAR, DAY_OF_WEEK_IN_MONTH, WEEK_OF_YEAR, WEEK_OF_MONTH, AM_PM, HOUR1, HOUR0, - TIME_ZONE + TIME_ZONE, ISO_YEAR, LOCALIZED_DAY_OF_WEEK, + EXTENDED_YEAR, MODIFIED_JULIAN_DAY, MILLISECOND_IN_DAY, + RFC822_TIME_ZONE }; // For deserialization |