/[classpath]/classpath/java/text/DateFormat.java
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revision 1.14.2.3 by gnu_andrew, Sun Jan 16 15:15:12 2005 UTC revision 1.14.2.4 by gnu_andrew, Sun Jan 23 02:46:23 2005 UTC
# Line 70  public abstract class DateFormat extends Line 70  public abstract class DateFormat extends
70    
71    /* These constants need to have these exact values.  They    /* These constants need to have these exact values.  They
72     * correspond to index positions within the localPatternChars     * correspond to index positions within the localPatternChars
73     * string for a given locale.  For example, the US locale uses     * string for a given locale.  Each locale may specify its
74     * the string "GyMdkHmsSEDFwWahKz", where 'G' is the character     * own character for a particular field, but the position
75     * for era, 'y' for year, and so on down to 'z' for time zone.     * of these characters must correspond to an appropriate field
76       * number (as listed below), in order for their meaning to
77       * be determined.  For example, the US locale uses
78       * the string "GyMdkHmsSEDFwWahKzYeugAZ", where 'G' is the character
79       * for era, 'y' for year, and so on down to 'Z' for time zone.
80     */     */
81      /**
82       * Represents the position of the era
83       * pattern character in the array of
84       * localized pattern characters.
85       * For example, 'AD' is an era used
86       * in the Gregorian calendar system.
87       * In the U.S. locale, this is 'G'.
88       */  
89    public static final int ERA_FIELD = 0;    public static final int ERA_FIELD = 0;
90      /**
91       * Represents the position of the year
92       * pattern character in the array of
93       * localized pattern characters.
94       * In the U.S. locale, this is 'y'.
95       */
96    public static final int YEAR_FIELD = 1;    public static final int YEAR_FIELD = 1;
97      /**
98       * Represents the position of the month
99       * pattern character in the array of
100       * localized pattern characters.
101       * In the U.S. locale, this is 'M'.
102       */
103    public static final int MONTH_FIELD = 2;    public static final int MONTH_FIELD = 2;
104      /**
105       * Represents the position of the date
106       * or day of the month pattern character
107       * in the array of localized pattern
108       * characters.  In the U.S. locale,
109       * this is 'd'.
110       */
111    public static final int DATE_FIELD = 3;    public static final int DATE_FIELD = 3;
112      /**
113       * Represents the position of the 24
114       * hour pattern character in the array of
115       * localized pattern characters.
116       * In the U.S. locale, this is 'k'.
117       * This field numbers hours from 1 to 24.
118       */
119    public static final int HOUR_OF_DAY1_FIELD = 4;    public static final int HOUR_OF_DAY1_FIELD = 4;
120      /**
121       * Represents the position of the 24
122       * hour pattern character in the array of
123       * localized pattern characters.
124       * In the U.S. locale, this is 'H'.
125       * This field numbers hours from 0 to 23.
126       */
127    public static final int HOUR_OF_DAY0_FIELD = 5;    public static final int HOUR_OF_DAY0_FIELD = 5;
128      /**
129       * Represents the position of the minute
130       * pattern character in the array of
131       * localized pattern characters.
132       * In the U.S. locale, this is 'm'.
133       */
134    public static final int MINUTE_FIELD = 6;    public static final int MINUTE_FIELD = 6;
135      /**
136       * Represents the position of the second
137       * pattern character in the array of
138       * localized pattern characters.
139       * In the U.S. locale, this is 's'.
140       */
141    public static final int SECOND_FIELD = 7;    public static final int SECOND_FIELD = 7;
142      /**
143       * Represents the position of the millisecond
144       * pattern character in the array of
145       * localized pattern characters.
146       * In the U.S. locale, this is 'S'.
147       */
148    public static final int MILLISECOND_FIELD = 8;    public static final int MILLISECOND_FIELD = 8;
149      /**
150       * Represents the position of the day of the
151       * week pattern character in the array of
152       * localized pattern characters.
153       * In the U.S. locale, this is 'E'.
154       */
155    public static final int DAY_OF_WEEK_FIELD = 9;    public static final int DAY_OF_WEEK_FIELD = 9;
156      /**
157       * Represents the position of the day of the
158       * year pattern character in the array of
159       * localized pattern characters.
160       * In the U.S. locale, this is 'D'.
161       */
162    public static final int DAY_OF_YEAR_FIELD = 10;    public static final int DAY_OF_YEAR_FIELD = 10;
163      /**
164       * Represents the position of the day of the
165       * week in the month pattern character in the
166       * array of localized pattern characters.
167       * In the U.S. locale, this is 'F'.
168       */
169    public static final int DAY_OF_WEEK_IN_MONTH_FIELD = 11;    public static final int DAY_OF_WEEK_IN_MONTH_FIELD = 11;
170      /**
171       * Represents the position of the week of the
172       * year pattern character in the array of
173       * localized pattern characters.
174       * In the U.S. locale, this is 'w'.
175       */
176    public static final int WEEK_OF_YEAR_FIELD = 12;    public static final int WEEK_OF_YEAR_FIELD = 12;
177      /**
178       * Represents the position of the week of the
179       * month pattern character in the array of
180       * localized pattern characters.
181       * In the U.S. locale, this is 'W'.
182       */
183    public static final int WEEK_OF_MONTH_FIELD = 13;    public static final int WEEK_OF_MONTH_FIELD = 13;
184      /**
185       * Represents the position of the am/pm
186       * pattern character in the array of
187       * localized pattern characters.
188       * In the U.S. locale, this is 'a'.
189       */
190    public static final int AM_PM_FIELD = 14;    public static final int AM_PM_FIELD = 14;
191      /**
192       * Represents the position of the 12
193       * hour pattern character in the array of
194       * localized pattern characters.
195       * In the U.S. locale, this is 'h'.
196       * This field numbers hours from 1 to 12.
197       */
198    public static final int HOUR1_FIELD = 15;    public static final int HOUR1_FIELD = 15;
199      /**
200       * Represents the position of the 12
201       * hour pattern character in the array of
202       * localized pattern characters.
203       * In the U.S. locale, this is 'K'.
204       * This field numbers hours from 0 to 11.
205       */
206    public static final int HOUR0_FIELD = 16;    public static final int HOUR0_FIELD = 16;
207      /**
208       * Represents the position of the generic
209       * timezone pattern character in the array of
210       * localized pattern characters.
211       * In the U.S. locale, this is 'z'.
212       */
213    public static final int TIMEZONE_FIELD = 17;    public static final int TIMEZONE_FIELD = 17;
214      /**
215       * Represents the position of the ISO year
216       * pattern character in the array of
217       * localized pattern characters.
218       * In the U.S. locale, this is 'Y'.
219       * This is a GNU extension in accordance with
220       * the CLDR data used.  This value may
221       * differ from the normal year value.
222       */
223      public static final int ISO_YEAR_FIELD = 18;
224      /**
225       * Represents the position of the localized
226       * day of the week pattern character in the
227       * array of localized pattern characters.
228       * In the U.S. locale, this is 'e'.
229       * This is a GNU extension in accordance with
230       * the CLDR data used.  This value only
231       * differs from the day of the week with
232       * numeric formatting, in which case the
233       * locale's first day of the week is used.
234       */
235      public static final int LOCALIZED_DAY_OF_WEEK_FIELD = 19;
236      /**
237       * Represents the position of the extended year
238       * pattern character in the array of
239       * localized pattern characters.
240       * In the U.S. locale, this is 'u'.
241       * This is a GNU extension in accordance with
242       * the CLDR data used.  This value modifies
243       * the year value, so as to incorporate the era.
244       * For example, in the Gregorian calendar system,
245       * the extended year is negative instead of being
246       * marked as BC.
247       */
248      public static final int EXTENDED_YEAR_FIELD = 20;
249      /**
250       * Represents the position of the modified Julian
251       * day pattern character in the array of
252       * localized pattern characters.
253       * In the U.S. locale, this is 'g'.
254       * This is a GNU extension in accordance with
255       * the CLDR data used.  This value differs
256       * from the standard Julian day in that days
257       * are marked from midnight onwards rather than
258       * noon, and the local time zone affects the value.
259       * In simple terms, it can be thought of as all
260       * the date fields represented as a single number.
261       */
262      public static final int MODIFIED_JULIAN_DAY_FIELD = 21;
263      /**
264       * Represents the position of the millisecond
265       * in the day pattern character in the array of
266       * localized pattern characters.
267       * In the U.S. locale, this is 'A'.
268       * This is a GNU extension in accordance with
269       * the CLDR data used.  This value represents
270       * all the time fields (excluding the time zone)
271       * numerically, giving the number of milliseconds
272       * into the day (e.g. 10 in the morning would
273       * be 10 * 60 * 60 * 1000).  Any daylight savings
274       * offset also affects this value.
275       */
276      public static final int MILLISECOND_IN_DAY_FIELD = 22;
277      /**
278       * Represents the position of the RFC822
279       * timezone pattern character in the array of
280       * localized pattern characters.
281       * In the U.S. locale, this is 'Z'.
282       * This is a GNU extension in accordance with
283       * the CLDR data used.  The value is the offset
284       * of the current time from GMT e.g. -0500 would
285       * be five hours prior to GMT.
286       */
287      public static final int RFC822_TIMEZONE_FIELD = 23;
288    
289    public static class Field extends Format.Field    public static class Field extends Format.Field
290    {    {
# Line 136  public abstract class DateFormat extends Line 328  public abstract class DateFormat extends
328          = new Field("hour0", Calendar.HOUR);          = new Field("hour0", Calendar.HOUR);
329      public static final DateFormat.Field TIME_ZONE      public static final DateFormat.Field TIME_ZONE
330          = new Field("timezone", Calendar.ZONE_OFFSET);          = new Field("timezone", Calendar.ZONE_OFFSET);
331        public static final DateFormat.Field ISO_YEAR
332            = new Field("iso year", Calendar.YEAR);
333        public static final DateFormat.Field LOCALIZED_DAY_OF_WEEK
334            = new Field("localized day of week", Calendar.DAY_OF_WEEK);
335        public static final DateFormat.Field EXTENDED_YEAR
336          = new Field("extended year", Calendar.YEAR);
337        public static final DateFormat.Field MODIFIED_JULIAN_DAY
338            = new Field("julian day", -1);
339        public static final DateFormat.Field MILLISECOND_IN_DAY
340            = new Field("millisecond in day", -1);
341        public static final DateFormat.Field RFC822_TIME_ZONE
342            = new Field("rfc822 timezone", Calendar.ZONE_OFFSET);
343    
344      static final DateFormat.Field[] allFields =      static final DateFormat.Field[] allFields =
345      {      {
346        ERA, YEAR, MONTH, DAY_OF_MONTH, HOUR_OF_DAY1,        ERA, YEAR, MONTH, DAY_OF_MONTH, HOUR_OF_DAY1,
347        HOUR_OF_DAY0, MINUTE, SECOND, MILLISECOND,        HOUR_OF_DAY0, MINUTE, SECOND, MILLISECOND,
348        DAY_OF_WEEK, DAY_OF_YEAR, DAY_OF_WEEK_IN_MONTH,        DAY_OF_WEEK, DAY_OF_YEAR, DAY_OF_WEEK_IN_MONTH,
349        WEEK_OF_YEAR, WEEK_OF_MONTH, AM_PM, HOUR1, HOUR0,        WEEK_OF_YEAR, WEEK_OF_MONTH, AM_PM, HOUR1, HOUR0,
350        TIME_ZONE        TIME_ZONE, ISO_YEAR, LOCALIZED_DAY_OF_WEEK,
351          EXTENDED_YEAR, MODIFIED_JULIAN_DAY, MILLISECOND_IN_DAY,
352          RFC822_TIME_ZONE
353      };      };
354    
355      // For deserialization      // For deserialization

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