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jlechner |
/* DateFormatSymbols.java -- Format over a range of numbers
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Copyright (C) 1998, 1999, 2000, 2001, 2003, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.text;
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import java.util.Locale;
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import java.util.MissingResourceException;
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import java.util.ResourceBundle;
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/**
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* This class acts as container for locale specific date/time formatting
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* information such as the days of the week and the months of the year.
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* @author Per Bothner (bothner@cygnus.com)
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* @date October 24, 1998.
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*/
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/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3.
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* Status: Believed complete and correct.
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*/
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public class DateFormatSymbols implements java.io.Serializable, Cloneable
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{
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String[] ampms;
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String[] eras;
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private String localPatternChars;
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String[] months;
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String[] shortMonths;
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String[] shortWeekdays;
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String[] weekdays;
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private String[][] zoneStrings;
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private static final long serialVersionUID = -5987973545549424702L;
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// The order of these prefixes must be the same as in DateFormat
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private static final String[] formatPrefixes =
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{
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"full", "long", "medium", "short"
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};
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// These are each arrays with a value for SHORT, MEDIUM, LONG, FULL,
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// and DEFAULT (constants defined in java.text.DateFormat). While
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// not part of the official spec, we need a way to get at locale-specific
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// default formatting patterns. They are declared package scope so
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// as to be easily accessible where needed (DateFormat, SimpleDateFormat).
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transient String[] dateFormats;
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transient String[] timeFormats;
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private String[] formatsForKey(ResourceBundle res, String key)
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{
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String[] values = new String [formatPrefixes.length];
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for (int i = 0; i < formatPrefixes.length; i++)
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{
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values[i] = res.getString(formatPrefixes[i]+key);
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}
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return values;
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}
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/**
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* This method initializes a new instance of <code>DateFormatSymbols</code>
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* by loading the date format information for the specified locale.
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*
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* @param locale The locale for which date formatting symbols should
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* be loaded.
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*/
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public DateFormatSymbols (Locale locale) throws MissingResourceException
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{
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ResourceBundle res
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= ResourceBundle.getBundle("gnu.java.locale.LocaleInformation", locale,
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ClassLoader.getSystemClassLoader());
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ampms = res.getStringArray ("ampms");
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eras = res.getStringArray ("eras");
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localPatternChars = res.getString ("localPatternChars");
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months = res.getStringArray ("months");
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shortMonths = res.getStringArray ("shortMonths");
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shortWeekdays = res.getStringArray ("shortWeekdays");
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weekdays = res.getStringArray ("weekdays");
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zoneStrings = (String[][]) res.getObject ("zoneStrings");
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dateFormats = formatsForKey(res, "DateFormat");
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timeFormats = formatsForKey(res, "TimeFormat");
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}
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/**
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* This method loads the format symbol information for the default
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* locale.
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*/
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public DateFormatSymbols () throws MissingResourceException
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{
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this (Locale.getDefault());
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}
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/**
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* This method returns the list of strings used for displaying AM or PM.
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* This is a two element <code>String</code> array indexed by
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* <code>Calendar.AM</code> and <code>Calendar.PM</code>
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*
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* @return The list of AM/PM display strings.
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*/
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public String[] getAmPmStrings()
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{
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return ampms;
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}
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/**
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* This method returns the list of strings used for displaying eras
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* (e.g., "BC" and "AD"). This is a two element <code>String</code>
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* array indexed by <code>Calendar.BC</code> and <code>Calendar.AD</code>.
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*
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* @return The list of era disply strings.
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*/
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public String[] getEras()
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{
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return eras;
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}
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/**
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* This method returns the pattern character information for this
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* object. This is an 18 character string that contains the characters
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* that are used in creating the date formatting strings in
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* <code>SimpleDateFormat</code>. The following are the character
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* positions in the string and which format character they correspond
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* to (the character in parentheses is the default value in the US English
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* locale):
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* <p>
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* <ul>
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* <li>0 - era (G)</li>
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* <li>1 - year (y)</li>
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* <li>2 - month (M)</li>
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* <li>3 - day of month (d)</li>
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* <li>4 - hour out of 12, from 1-12 (h)</li>
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* <li>5 - hour out of 24, from 0-23 (H)</li>
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* <li>6 - minute (m)</li>
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* <li>7 - second (s)</li>
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* <li>8 - millisecond (S)</li>
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* <li>9 - date of week (E)</li>
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* <li>10 - date of year (D)</li>
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* <li>11 - day of week in month, eg. "4th Thur in Nov" (F)</li>
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* <li>12 - week in year (w)</li>
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* <li>13 - week in month (W)</li>
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* <li>14 - am/pm (a)</li>
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* <li>15 - hour out of 24, from 1-24 (k)</li>
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* <li>16 - hour out of 12, from 0-11 (K)</li>
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* <li>17 - time zone (z)</li>
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* </ul>
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*
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* @return The format patter characters
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*/
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public String getLocalPatternChars()
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{
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return localPatternChars;
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}
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/**
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* This method returns the list of strings used for displaying month
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* names (e.g., "January" and "February"). This is a thirteen element
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* string array indexed by <code>Calendar.JANUARY</code> through
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* <code>Calendar.UNDECEMBER</code>. Note that there are thirteen
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* elements because some calendars have thriteen months.
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*
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* @return The list of month display strings.
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*/
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public String[] getMonths ()
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{
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return months;
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}
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/**
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* This method returns the list of strings used for displaying abbreviated
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* month names (e.g., "Jan" and "Feb"). This is a thirteen element
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* <code>String</code> array indexed by <code>Calendar.JANUARY</code>
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* through <code>Calendar.UNDECEMBER</code>. Note that there are thirteen
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* elements because some calendars have thirteen months.
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*
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* @return The list of abbreviated month display strings.
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*/
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public String[] getShortMonths ()
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{
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return shortMonths;
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}
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/**
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* This method returns the list of strings used for displaying abbreviated
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* weekday names (e.g., "Sun" and "Mon"). This is an eight element
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* <code>String</code> array indexed by <code>Calendar.SUNDAY</code>
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* through <code>Calendar.SATURDAY</code>. Note that the first element
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* of this array is ignored.
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*
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* @return This list of abbreviated weekday display strings.
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*/
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public String[] getShortWeekdays ()
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{
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return shortWeekdays;
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}
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/**
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* This method returns the list of strings used for displaying weekday
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* names (e.g., "Sunday" and "Monday"). This is an eight element
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* <code>String</code> array indexed by <code>Calendar.SUNDAY</code>
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* through <code>Calendar.SATURDAY</code>. Note that the first element
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* of this array is ignored.
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*
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* @return This list of weekday display strings.
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*/
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public String[] getWeekdays ()
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{
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return weekdays;
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}
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/**
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* This method returns this list of localized timezone display strings.
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* This is a two dimensional <code>String</code> array where each row in
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* the array contains five values:
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* <P>
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* <ul>
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* <li>0 - The non-localized time zone id string.</li>
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* <li>1 - The long name of the time zone (standard time).</li>
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* <li>2 - The short name of the time zone (standard time).</li>
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* <li>3 - The long name of the time zone (daylight savings time).</li>
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* <li>4 - the short name of the time zone (daylight savings time).</li>
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* </ul>
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*
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* @return The list of time zone display strings.
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*/
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public String[] [] getZoneStrings ()
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{
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return zoneStrings;
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}
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/**
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* This method sets the list of strings used to display AM/PM values to
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* the specified list.
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* This is a two element <code>String</code> array indexed by
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* <code>Calendar.AM</code> and <code>Calendar.PM</code>
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*
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* @param value The new list of AM/PM display strings.
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*/
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public void setAmPmStrings (String[] value)
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{
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ampms = value;
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}
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/**
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* This method sets the list of strings used to display time eras to
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* to the specified list.
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* This is a two element <code>String</code>
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* array indexed by <code>Calendar.BC</code> and <code>Calendar.AD</code>.
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*
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* @param labels The new list of era display strings.
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*/
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public void setEras (String[] labels)
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{
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eras = labels;
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}
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/**
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* This method sets the list of characters used to specific date/time
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* formatting strings.
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* This is an 18 character string that contains the characters
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| 293 |
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* that are used in creating the date formatting strings in
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| 294 |
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* <code>SimpleDateFormat</code>. The following are the character
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* positions in the string and which format character they correspond
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| 296 |
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* to (the character in parentheses is the default value in the US English
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* locale):
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* <p>
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* <ul>
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* <li>0 - era (G)</li>
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* <li>1 - year (y)</li>
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* <li>2 - month (M)</li>
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* <li>3 - day of month (d)</li>
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* <li>4 - hour out of 12, from 1-12 (h)</li>
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* <li>5 - hour out of 24, from 0-23 (H)</li>
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* <li>6 - minute (m)</li>
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* <li>7 - second (s)</li>
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* <li>8 - millisecond (S)</li>
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* <li>9 - date of week (E)</li>
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* <li>10 - date of year (D)</li>
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* <li>11 - day of week in month, eg. "4th Thur in Nov" (F)</li>
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* <li>12 - week in year (w)</li>
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* <li>13 - week in month (W)</li>
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* <li>14 - am/pm (a)</li>
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* <li>15 - hour out of 24, from 1-24 (k)</li>
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* <li>16 - hour out of 12, from 0-11 (K)</li>
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* <li>17 - time zone (z)</li>
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* </ul>
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*
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* @param chars The new format pattern characters
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*/
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public void setLocalPatternChars (String chars)
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| 323 |
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{
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| 324 |
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localPatternChars = chars;
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}
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| 326 |
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| 327 |
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/**
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| 328 |
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* This method sets the list of strings used to display month names.
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| 329 |
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* This is a thirteen element
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| 330 |
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* string array indexed by <code>Calendar.JANUARY</code> through
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| 331 |
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* <code>Calendar.UNDECEMBER</code>. Note that there are thirteen
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| 332 |
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|
* elements because some calendars have thriteen months.
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| 333 |
|
|
*
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| 334 |
|
|
* @param labels The list of month display strings.
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| 335 |
|
|
*/
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| 336 |
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|
public void setMonths (String[] labels)
|
| 337 |
|
|
{
|
| 338 |
|
|
months = labels;
|
| 339 |
|
|
}
|
| 340 |
|
|
|
| 341 |
|
|
/**
|
| 342 |
|
|
* This method sets the list of strings used to display abbreviated month
|
| 343 |
|
|
* names.
|
| 344 |
|
|
* This is a thirteen element
|
| 345 |
|
|
* <code>String</code> array indexed by <code>Calendar.JANUARY</code>
|
| 346 |
|
|
* through <code>Calendar.UNDECEMBER</code>. Note that there are thirteen
|
| 347 |
|
|
* elements because some calendars have thirteen months.
|
| 348 |
|
|
*
|
| 349 |
|
|
* @param labels The new list of abbreviated month display strings.
|
| 350 |
|
|
*/
|
| 351 |
|
|
public void setShortMonths (String[] labels)
|
| 352 |
|
|
{
|
| 353 |
|
|
shortMonths = labels;
|
| 354 |
|
|
}
|
| 355 |
|
|
|
| 356 |
|
|
/**
|
| 357 |
|
|
* This method sets the list of strings used to display abbreviated
|
| 358 |
|
|
* weekday names.
|
| 359 |
|
|
* This is an eight element
|
| 360 |
|
|
* <code>String</code> array indexed by <code>Calendar.SUNDAY</code>
|
| 361 |
|
|
* through <code>Calendar.SATURDAY</code>. Note that the first element
|
| 362 |
|
|
* of this array is ignored.
|
| 363 |
|
|
*
|
| 364 |
|
|
* @param labels This list of abbreviated weekday display strings.
|
| 365 |
|
|
*/
|
| 366 |
|
|
public void setShortWeekdays (String[] labels)
|
| 367 |
|
|
{
|
| 368 |
|
|
shortWeekdays = labels;
|
| 369 |
|
|
}
|
| 370 |
|
|
|
| 371 |
|
|
/**
|
| 372 |
|
|
* This method sets the list of strings used to display weekday names.
|
| 373 |
|
|
* This is an eight element
|
| 374 |
|
|
* <code>String</code> array indexed by <code>Calendar.SUNDAY</code>
|
| 375 |
|
|
* through <code>Calendar.SATURDAY</code>. Note that the first element
|
| 376 |
|
|
* of this array is ignored.
|
| 377 |
|
|
*
|
| 378 |
|
|
* @param labels This list of weekday display strings.
|
| 379 |
|
|
*/
|
| 380 |
|
|
public void setWeekdays (String[] labels)
|
| 381 |
|
|
{
|
| 382 |
|
|
weekdays = labels;
|
| 383 |
|
|
}
|
| 384 |
|
|
|
| 385 |
|
|
/**
|
| 386 |
|
|
* This method sets the list of display strings for time zones.
|
| 387 |
|
|
* This is a two dimensional <code>String</code> array where each row in
|
| 388 |
|
|
* the array contains five values:
|
| 389 |
|
|
* <P>
|
| 390 |
|
|
* <ul>
|
| 391 |
|
|
* <li>0 - The non-localized time zone id string.</li>
|
| 392 |
|
|
* <li>1 - The long name of the time zone (standard time).</li>
|
| 393 |
|
|
* <li>2 - The short name of the time zone (standard time).</li>
|
| 394 |
|
|
* <li>3 - The long name of the time zone (daylight savings time).</li>
|
| 395 |
|
|
* <li>4 - the short name of the time zone (daylight savings time).</li>
|
| 396 |
|
|
* </ul>
|
| 397 |
|
|
*
|
| 398 |
|
|
* @params zones The list of time zone display strings.
|
| 399 |
|
|
*/
|
| 400 |
|
|
public void setZoneStrings (String[][] zones)
|
| 401 |
|
|
{
|
| 402 |
|
|
zoneStrings = zones;
|
| 403 |
|
|
}
|
| 404 |
|
|
|
| 405 |
|
|
/* Does a "deep" equality test - recurses into arrays. */
|
| 406 |
|
|
private static boolean equals (Object x, Object y)
|
| 407 |
|
|
{
|
| 408 |
|
|
if (x == y)
|
| 409 |
|
|
return true;
|
| 410 |
|
|
if (x == null || y == null)
|
| 411 |
|
|
return false;
|
| 412 |
|
|
if (! (x instanceof Object[]) || ! (y instanceof Object[]))
|
| 413 |
|
|
return x.equals(y);
|
| 414 |
|
|
Object[] xa = (Object[]) x;
|
| 415 |
|
|
Object[] ya = (Object[]) y;
|
| 416 |
|
|
if (xa.length != ya.length)
|
| 417 |
|
|
return false;
|
| 418 |
|
|
for (int i = xa.length; --i >= 0; )
|
| 419 |
|
|
{
|
| 420 |
|
|
if (! equals(xa[i], ya[i]))
|
| 421 |
|
|
return false;
|
| 422 |
|
|
}
|
| 423 |
|
|
return true;
|
| 424 |
|
|
}
|
| 425 |
|
|
|
| 426 |
|
|
private static int hashCode (Object x)
|
| 427 |
|
|
{
|
| 428 |
|
|
if (x == null)
|
| 429 |
|
|
return 0;
|
| 430 |
|
|
if (! (x instanceof Object[]))
|
| 431 |
|
|
return x.hashCode();
|
| 432 |
|
|
Object[] xa = (Object[]) x;
|
| 433 |
|
|
int hash = 0;
|
| 434 |
|
|
for (int i = 0; i < xa.length; i++)
|
| 435 |
|
|
hash = 37 * hashCode(xa[i]);
|
| 436 |
|
|
return hash;
|
| 437 |
|
|
}
|
| 438 |
|
|
|
| 439 |
|
|
/**
|
| 440 |
|
|
* This method tests a specified object for equality against this object.
|
| 441 |
|
|
* This will be true if and only if the specified object:
|
| 442 |
|
|
* <p>
|
| 443 |
|
|
* <ul>
|
| 444 |
|
|
* <li> Is not <code>null</code>.</li>
|
| 445 |
|
|
* <li> Is an instance of <code>DateFormatSymbols</code>.</li>
|
| 446 |
|
|
* <li> Contains identical formatting symbols to this object.</li>
|
| 447 |
|
|
* </ul>
|
| 448 |
|
|
*
|
| 449 |
|
|
* @param obj The <code>Object</code> to test for equality against.
|
| 450 |
|
|
*
|
| 451 |
|
|
* @return <code>true</code> if the specified object is equal to this one,
|
| 452 |
|
|
* <code>false</code> otherwise.
|
| 453 |
|
|
*/
|
| 454 |
|
|
public boolean equals (Object obj)
|
| 455 |
|
|
{
|
| 456 |
|
|
if (! (obj instanceof DateFormatSymbols))
|
| 457 |
|
|
return false;
|
| 458 |
|
|
DateFormatSymbols other = (DateFormatSymbols) obj;
|
| 459 |
|
|
return (equals(ampms, other.ampms)
|
| 460 |
|
|
&& equals(eras, other.eras)
|
| 461 |
|
|
&& equals(localPatternChars, other.localPatternChars)
|
| 462 |
|
|
&& equals(months, other.months)
|
| 463 |
|
|
&& equals(shortMonths, other.shortMonths)
|
| 464 |
|
|
&& equals(shortWeekdays, other.shortWeekdays)
|
| 465 |
|
|
&& equals(weekdays, other.weekdays)
|
| 466 |
|
|
&& equals(zoneStrings, other.zoneStrings));
|
| 467 |
|
|
}
|
| 468 |
|
|
|
| 469 |
|
|
/**
|
| 470 |
|
|
* Returns a new copy of this object.
|
| 471 |
|
|
*
|
| 472 |
|
|
* @return A copy of this object
|
| 473 |
|
|
*/
|
| 474 |
|
|
public Object clone ()
|
| 475 |
|
|
{
|
| 476 |
|
|
try
|
| 477 |
|
|
{
|
| 478 |
|
|
return super.clone ();
|
| 479 |
|
|
}
|
| 480 |
|
|
catch (CloneNotSupportedException e)
|
| 481 |
|
|
{
|
| 482 |
|
|
return null;
|
| 483 |
|
|
}
|
| 484 |
|
|
}
|
| 485 |
|
|
|
| 486 |
|
|
/**
|
| 487 |
|
|
* This method returns a hash value for this object.
|
| 488 |
|
|
*
|
| 489 |
|
|
* @return A hash value for this object.
|
| 490 |
|
|
*/
|
| 491 |
|
|
public int hashCode ()
|
| 492 |
|
|
{
|
| 493 |
|
|
return (hashCode(ampms)
|
| 494 |
|
|
^ hashCode(eras)
|
| 495 |
|
|
^ hashCode(localPatternChars)
|
| 496 |
|
|
^ hashCode(months)
|
| 497 |
|
|
^ hashCode(shortMonths)
|
| 498 |
|
|
^ hashCode(shortWeekdays)
|
| 499 |
|
|
^ hashCode(weekdays)
|
| 500 |
|
|
^ hashCode(zoneStrings));
|
| 501 |
|
|
}
|
| 502 |
|
|
}
|
