diff options
author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
---|---|---|
committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/java/text/DateFormatSymbols.java | |
download | cbb-gcc-4.6.4-upstream.tar.bz2 cbb-gcc-4.6.4-upstream.tar.xz |
obtained gcc-4.6.4.tar.bz2 from upstream website;upstream
verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.
downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.
if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.
Diffstat (limited to 'libjava/classpath/java/text/DateFormatSymbols.java')
-rw-r--r-- | libjava/classpath/java/text/DateFormatSymbols.java | 761 |
1 files changed, 761 insertions, 0 deletions
diff --git a/libjava/classpath/java/text/DateFormatSymbols.java b/libjava/classpath/java/text/DateFormatSymbols.java new file mode 100644 index 000000000..c22dd38f7 --- /dev/null +++ b/libjava/classpath/java/text/DateFormatSymbols.java @@ -0,0 +1,761 @@ +/* DateFormatSymbols.java -- Format over a range of numbers + Copyright (C) 1998, 1999, 2000, 2001, 2003, 2005, 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package java.text; + +import gnu.java.locale.LocaleHelper; + +import java.io.IOException; + +import java.text.spi.DateFormatSymbolsProvider; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Locale; +import java.util.Map; +import java.util.MissingResourceException; +import java.util.Properties; +import java.util.ResourceBundle; +import java.util.ServiceLoader; +import java.util.TimeZone; + +import java.util.spi.TimeZoneNameProvider; + +/** + * This class acts as container for locale specific date/time formatting + * information such as the days of the week and the months of the year. + * + * @author Per Bothner (bothner@cygnus.com) + * @author Andrew John Hughes (gnu_andrew@member.fsf.org) + * @date October 24, 1998. + */ +/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3. + * Status: Believed complete and correct. + */ +public class DateFormatSymbols implements java.io.Serializable, Cloneable +{ + String[] ampms; + String[] eras; + private String localPatternChars; + String[] months; + String[] shortMonths; + String[] shortWeekdays; + String[] weekdays; + + /** + * The set of properties for obtaining the metazone data. + */ + private static transient final Properties properties; + + /** + * Reads in the properties. + */ + static + { + properties = new Properties(); + try + { + properties.load(DateFormatSymbols.class.getResourceAsStream("metazones.properties")); + } + catch (IOException exception) + { + System.out.println("Failed to load weeks resource: " + exception); + } + } + + /** + * The timezone strings supplied by the runtime. + */ + private String[][] runtimeZoneStrings; + + /** + * Custom timezone strings supplied by {@link #setZoneStrings()}. + */ + private String[][] zoneStrings; + + private static final long serialVersionUID = -5987973545549424702L; + + // The order of these prefixes must be the same as in DateFormat + private static final String[] formatPrefixes = + { + "full", "long", "medium", "short" + }; + + // These are each arrays with a value for SHORT, MEDIUM, LONG, FULL, + // and DEFAULT (constants defined in java.text.DateFormat). While + // not part of the official spec, we need a way to get at locale-specific + // default formatting patterns. They are declared package scope so + // as to be easily accessible where needed (DateFormat, SimpleDateFormat). + transient String[] dateFormats; + transient String[] timeFormats; + + private static String[] getStringArray(ResourceBundle res, String name) + { + return res.getString(name).split("\u00ae"); + } + + private String[][] getZoneStrings(ResourceBundle res, Locale locale) + { + List<String[]> allZones = new ArrayList<String[]>(); + try + { + Map<String,String[]> systemZones = new HashMap<String,String[]>(); + while (true) + { + int index = 0; + String country = locale.getCountry(); + String data = res.getString("zoneStrings"); + String[] zones = data.split("\u00a9"); + for (int a = 0; a < zones.length; ++a) + { + String[] strings = zones[a].split("\u00ae"); + String type = properties.getProperty(strings[0] + "." + country); + if (type == null) + type = properties.getProperty(strings[0] + ".DEFAULT"); + if (type != null) + strings[0] = type; + if (strings.length < 5) + { + String[] newStrings = new String[5]; + System.arraycopy(strings, 0, newStrings, 0, strings.length); + for (int b = strings.length; b < newStrings.length; ++b) + newStrings[b] = ""; + strings = newStrings; + } + String[] existing = systemZones.get(strings[0]); + if (existing != null && existing.length > 1) + { + for (int b = 1; b < existing.length; ++b) + if (!existing[b].equals("")) + strings[b] = existing[b]; + } + systemZones.put(strings[0], strings); + } + if (res.getLocale() == Locale.ROOT) + break; + else + res = ResourceBundle.getBundle("gnu.java.locale.LocaleInformation", + LocaleHelper.getFallbackLocale(res.getLocale()), + ClassLoader.getSystemClassLoader()); + } + /* Final sanity check for missing values */ + for (String[] zstrings : systemZones.values()) + { + if (zstrings[1].equals("") && zstrings[2].equals("")) + { + for (Map.Entry<Object,Object> entry : properties.entrySet()) + { + String val = (String) entry.getValue(); + if (val.equals(zstrings[0])) + { + String key = (String) entry.getKey(); + String metazone = key.substring(0, key.indexOf(".")); + String type = properties.getProperty(metazone + "." + locale.getCountry()); + if (type == null) + type = properties.getProperty(metazone + ".DEFAULT"); + if (type != null) + { + String[] ostrings = systemZones.get(type); + zstrings[1] = ostrings[1]; + zstrings[2] = ostrings[2]; + } + } + } + } + } + allZones.addAll(systemZones.values()); + } + catch (MissingResourceException e) + { + /* This means runtime support for the locale + * is not available, so we just include providers. */ + } + for (TimeZoneNameProvider p : + ServiceLoader.load(TimeZoneNameProvider.class)) + { + for (Locale loc : p.getAvailableLocales()) + { + if (loc.equals(locale)) + { + for (String id : TimeZone.getAvailableIDs()) + { + String[] z = new String[5]; + z[0] = id; + z[1] = p.getDisplayName(id, false, + TimeZone.LONG, + locale); + z[2] = p.getDisplayName(id, false, + TimeZone.SHORT, + locale); + z[3] = p.getDisplayName(id, true, + TimeZone.LONG, + locale); + z[4] = p.getDisplayName(id, true, + TimeZone.SHORT, + locale); + allZones.add(z); + } + break; + } + } + } + return allZones.toArray(new String[allZones.size()][]); + } + + private String[] formatsForKey(ResourceBundle res, String key) + { + String[] values = new String[formatPrefixes.length]; + + for (int i = 0; i < formatPrefixes.length; i++) + values[i] = res.getString(formatPrefixes[i] + key); + + return values; + } + + /** + * This method initializes a new instance of <code>DateFormatSymbols</code> + * by loading the date format information for the specified locale. + * This constructor only obtains instances using the runtime's resources; + * to also include {@link java.text.spi.DateFormatSymbolsProvider} instances, + * call {@link #getInstance(java.util.Locale)} instead. + * + * @param locale The locale for which date formatting symbols should + * be loaded. + * @throws MissingResourceException if the resources for the specified + * locale could not be found or loaded. + * @see #getInstance(java.util.Locale) + */ + public DateFormatSymbols (Locale locale) + throws MissingResourceException + { + ResourceBundle res + = ResourceBundle.getBundle("gnu.java.locale.LocaleInformation", locale, + ClassLoader.getSystemClassLoader()); + + ampms = getStringArray(res, "ampms"); + eras = getStringArray(res, "eras"); + localPatternChars = res.getString("localPatternChars"); + months = getStringArray(res, "months"); + shortMonths = getStringArray(res, "shortMonths"); + shortWeekdays = getStringArray(res, "shortWeekdays"); + weekdays = getStringArray(res, "weekdays"); + dateFormats = formatsForKey(res, "DateFormat"); + timeFormats = formatsForKey(res, "TimeFormat"); + runtimeZoneStrings = getZoneStrings(res, locale); + } + + /** + * This method loads the format symbol information for the default + * locale. This constructor only obtains instances using the runtime's resources; + * to also include {@link java.text.spi.DateFormatSymbolsProvider} instances, + * call {@link #getInstance()} instead. + * + * @throws MissingResourceException if the resources for the default + * locale could not be found or loaded. + * @see #getInstance() + */ + public DateFormatSymbols() + throws MissingResourceException + { + this (Locale.getDefault()); + } + + /** + * This method returns the list of strings used for displaying AM or PM. + * This is a two element <code>String</code> array indexed by + * <code>Calendar.AM</code> and <code>Calendar.PM</code> + * + * @return The list of AM/PM display strings. + */ + public String[] getAmPmStrings() + { + return ampms; + } + + /** + * This method returns the list of strings used for displaying eras + * (e.g., "BC" and "AD"). This is a two element <code>String</code> + * array indexed by <code>Calendar.BC</code> and <code>Calendar.AD</code>. + * + * @return The list of era disply strings. + */ + public String[] getEras() + { + return eras; + } + + /** + * This method returns the pattern character information for this + * object. This is an 18 character string that contains the characters + * that are used in creating the date formatting strings in + * <code>SimpleDateFormat</code>. The following are the character + * positions in the string and which format character they correspond + * to (the character in parentheses is the default value in the US English + * locale): + * <p> + * <ul> + * <li>0 - era (G)</li> + * <li>1 - year (y)</li> + * <li>2 - month (M)</li> + * <li>3 - day of month (d)</li> + * <li>4 - hour out of 12, from 1-12 (h)</li> + * <li>5 - hour out of 24, from 0-23 (H)</li> + * <li>6 - minute (m)</li> + * <li>7 - second (s)</li> + * <li>8 - millisecond (S)</li> + * <li>9 - date of week (E)</li> + * <li>10 - date of year (D)</li> + * <li>11 - day of week in month, eg. "4th Thur in Nov" (F)</li> + * <li>12 - week in year (w)</li> + * <li>13 - week in month (W)</li> + * <li>14 - am/pm (a)</li> + * <li>15 - hour out of 24, from 1-24 (k)</li> + * <li>16 - hour out of 12, from 0-11 (K)</li> + * <li>17 - time zone (z)</li> + * </ul> + * + * @return The format patter characters + */ + public String getLocalPatternChars() + { + return localPatternChars; + } + + /** + * This method returns the list of strings used for displaying month + * names (e.g., "January" and "February"). This is a thirteen element + * string array indexed by <code>Calendar.JANUARY</code> through + * <code>Calendar.UNDECEMBER</code>. Note that there are thirteen + * elements because some calendars have thriteen months. + * + * @return The list of month display strings. + */ + public String[] getMonths () + { + return months; + } + + /** + * This method returns the list of strings used for displaying abbreviated + * month names (e.g., "Jan" and "Feb"). This is a thirteen element + * <code>String</code> array indexed by <code>Calendar.JANUARY</code> + * through <code>Calendar.UNDECEMBER</code>. Note that there are thirteen + * elements because some calendars have thirteen months. + * + * @return The list of abbreviated month display strings. + */ + public String[] getShortMonths () + { + return shortMonths; + } + + /** + * This method returns the list of strings used for displaying abbreviated + * weekday names (e.g., "Sun" and "Mon"). This is an eight element + * <code>String</code> array indexed by <code>Calendar.SUNDAY</code> + * through <code>Calendar.SATURDAY</code>. Note that the first element + * of this array is ignored. + * + * @return This list of abbreviated weekday display strings. + */ + public String[] getShortWeekdays () + { + return shortWeekdays; + } + + /** + * This method returns the list of strings used for displaying weekday + * names (e.g., "Sunday" and "Monday"). This is an eight element + * <code>String</code> array indexed by <code>Calendar.SUNDAY</code> + * through <code>Calendar.SATURDAY</code>. Note that the first element + * of this array is ignored. + * + * @return This list of weekday display strings. + */ + public String[] getWeekdays () + { + return weekdays; + } + + /** + * This method returns this list of localized timezone display strings. + * This is a two dimensional <code>String</code> array where each row in + * the array contains five values: + * <P> + * <ul> + * <li>0 - The non-localized time zone id string.</li> + * <li>1 - The long name of the time zone (standard time).</li> + * <li>2 - The short name of the time zone (standard time).</li> + * <li>3 - The long name of the time zone (daylight savings time).</li> + * <li>4 - the short name of the time zone (daylight savings time).</li> + * </ul> + * <p> + * If {@link #setZoneStrings(String[][])} has been called, then the value + * passed to this will be returned. Otherwise the returned array contains + * zone names provided by the runtime environment and any + * {@link java.util.spi.TimeZoneProvider} instances. + * </p> + * + * @return The list of time zone display strings. + * @see #setZoneStrings(String[][]) + */ + public String[][] getZoneStrings() + { + if (zoneStrings != null) + return zoneStrings; + return runtimeZoneStrings; + } + + /** + * This method sets the list of strings used to display AM/PM values to + * the specified list. + * This is a two element <code>String</code> array indexed by + * <code>Calendar.AM</code> and <code>Calendar.PM</code> + * + * @param value The new list of AM/PM display strings. + */ + public void setAmPmStrings (String[] value) + { + if(value==null) + throw new NullPointerException(); + ampms = value; + } + + /** + * This method sets the list of strings used to display time eras to + * to the specified list. + * This is a two element <code>String</code> + * array indexed by <code>Calendar.BC</code> and <code>Calendar.AD</code>. + * + * @param labels The new list of era display strings. + */ + public void setEras (String[] labels) + { + if(labels==null) + throw new NullPointerException(); + eras = labels; + } + + /** + * This method sets the list of characters used to specific date/time + * formatting strings. + * This is an 18 character string that contains the characters + * that are used in creating the date formatting strings in + * <code>SimpleDateFormat</code>. The following are the character + * positions in the string and which format character they correspond + * to (the character in parentheses is the default value in the US English + * locale): + * <p> + * <ul> + * <li>0 - era (G)</li> + * <li>1 - year (y)</li> + * <li>2 - month (M)</li> + * <li>3 - day of month (d)</li> + * <li>4 - hour out of 12, from 1-12 (h)</li> + * <li>5 - hour out of 24, from 0-23 (H)</li> + * <li>6 - minute (m)</li> + * <li>7 - second (s)</li> + * <li>8 - millisecond (S)</li> + * <li>9 - date of week (E)</li> + * <li>10 - date of year (D)</li> + * <li>11 - day of week in month, eg. "4th Thur in Nov" (F)</li> + * <li>12 - week in year (w)</li> + * <li>13 - week in month (W)</li> + * <li>14 - am/pm (a)</li> + * <li>15 - hour out of 24, from 1-24 (k)</li> + * <li>16 - hour out of 12, from 0-11 (K)</li> + * <li>17 - time zone (z)</li> + * </ul> + * + * @param chars The new format pattern characters + */ + public void setLocalPatternChars (String chars) + { + if(chars==null) + throw new NullPointerException(); + localPatternChars = chars; + } + + /** + * This method sets the list of strings used to display month names. + * This is a thirteen element + * string array indexed by <code>Calendar.JANUARY</code> through + * <code>Calendar.UNDECEMBER</code>. Note that there are thirteen + * elements because some calendars have thriteen months. + * + * @param labels The list of month display strings. + */ + public void setMonths (String[] labels) + { + if(labels==null) + throw new NullPointerException(); + months = labels; + } + + /** + * This method sets the list of strings used to display abbreviated month + * names. + * This is a thirteen element + * <code>String</code> array indexed by <code>Calendar.JANUARY</code> + * through <code>Calendar.UNDECEMBER</code>. Note that there are thirteen + * elements because some calendars have thirteen months. + * + * @param labels The new list of abbreviated month display strings. + */ + public void setShortMonths (String[] labels) + { + if(labels==null) + throw new NullPointerException(); + shortMonths = labels; + } + + /** + * This method sets the list of strings used to display abbreviated + * weekday names. + * This is an eight element + * <code>String</code> array indexed by <code>Calendar.SUNDAY</code> + * through <code>Calendar.SATURDAY</code>. Note that the first element + * of this array is ignored. + * + * @param labels This list of abbreviated weekday display strings. + */ + public void setShortWeekdays (String[] labels) + { + if(labels==null) + throw new NullPointerException(); + shortWeekdays = labels; + } + + /** + * This method sets the list of strings used to display weekday names. + * This is an eight element + * <code>String</code> array indexed by <code>Calendar.SUNDAY</code> + * through <code>Calendar.SATURDAY</code>. Note that the first element + * of this array is ignored. + * + * @param labels This list of weekday display strings. + */ + public void setWeekdays (String[] labels) + { + if(labels==null) + throw new NullPointerException(); + weekdays = labels; + } + + /** + * This method sets the list of display strings for time zones. + * This is a two dimensional <code>String</code> array where each row in + * the array contains five values: + * <P> + * <ul> + * <li>0 - The non-localized time zone id string.</li> + * <li>1 - The long name of the time zone (standard time).</li> + * <li>2 - The short name of the time zone (standard time).</li> + * <li>3 - The long name of the time zone (daylight savings time).</li> + * <li>4 - the short name of the time zone (daylight savings time).</li> + * </ul> + * + * @params zones The list of time zone display strings. + */ + public void setZoneStrings (String[][] zones) + { + if(zones==null) + throw new NullPointerException(); + zoneStrings = zones; + } + + /* Does a "deep" equality test - recurses into arrays. */ + private static boolean equals (Object x, Object y) + { + if (x == y) + return true; + if (x == null || y == null) + return false; + if (! (x instanceof Object[]) || ! (y instanceof Object[])) + return x.equals(y); + Object[] xa = (Object[]) x; + Object[] ya = (Object[]) y; + if (xa.length != ya.length) + return false; + for (int i = xa.length; --i >= 0; ) + { + if (! equals(xa[i], ya[i])) + return false; + } + return true; + } + + private static int hashCode (Object x) + { + if (x == null) + return 0; + if (! (x instanceof Object[])) + return x.hashCode(); + Object[] xa = (Object[]) x; + int hash = 0; + for (int i = 0; i < xa.length; i++) + hash = 37 * hashCode(xa[i]); + return hash; + } + + /** + * This method tests a specified object for equality against this object. + * This will be true if and only if the specified object: + * <p> + * <ul> + * <li> Is not <code>null</code>.</li> + * <li> Is an instance of <code>DateFormatSymbols</code>.</li> + * <li> Contains identical formatting symbols to this object.</li> + * </ul> + * + * @param obj The <code>Object</code> to test for equality against. + * + * @return <code>true</code> if the specified object is equal to this one, + * <code>false</code> otherwise. + */ + public boolean equals (Object obj) + { + if (! (obj instanceof DateFormatSymbols)) + return false; + DateFormatSymbols other = (DateFormatSymbols) obj; + return (equals(ampms, other.ampms) + && equals(eras, other.eras) + && equals(localPatternChars, other.localPatternChars) + && equals(months, other.months) + && equals(shortMonths, other.shortMonths) + && equals(shortWeekdays, other.shortWeekdays) + && equals(weekdays, other.weekdays) + && equals(zoneStrings, other.zoneStrings)); + } + + /** + * Returns a new copy of this object. + * + * @return A copy of this object + */ + public Object clone () + { + try + { + return super.clone (); + } + catch (CloneNotSupportedException e) + { + return null; + } + } + + /** + * This method returns a hash value for this object. + * + * @return A hash value for this object. + */ + public int hashCode () + { + return (hashCode(ampms) + ^ hashCode(eras) + ^ hashCode(localPatternChars) + ^ hashCode(months) + ^ hashCode(shortMonths) + ^ hashCode(shortWeekdays) + ^ hashCode(weekdays) + ^ hashCode(zoneStrings)); + } + + /** + * Returns a {@link DateFormatSymbols} instance for the + * default locale obtained from either the runtime itself + * or one of the installed + * {@link java.text.spi.DateFormatSymbolsProvider} instances. + * This is equivalent to calling + * <code>getInstance(Locale.getDefault())</code>. + * + * @return a {@link DateFormatSymbols} instance for the default + * locale. + * @since 1.6 + */ + public static final DateFormatSymbols getInstance() + { + return getInstance(Locale.getDefault()); + } + + /** + * Returns a {@link DateFormatSymbols} instance for the + * specified locale obtained from either the runtime itself + * or one of the installed + * {@link java.text.spi.DateFormatSymbolsProvider} instances. + * + * @param locale the locale for which an instance should be + * returned. + * @return a {@link DateFormatSymbols} instance for the specified + * locale. + * @throws NullPointerException if <code>locale</code> is + * <code>null</code>. + * @since 1.6 + */ + public static final DateFormatSymbols getInstance(Locale locale) + { + try + { + DateFormatSymbols syms = new DateFormatSymbols(locale); + return syms; + } + catch (MissingResourceException e) + { + /* This means runtime support for the locale + * is not available, so we check providers. */ + } + for (DateFormatSymbolsProvider p : + ServiceLoader.load(DateFormatSymbolsProvider.class)) + { + for (Locale loc : p.getAvailableLocales()) + { + if (loc.equals(locale)) + { + DateFormatSymbols syms = p.getInstance(locale); + if (syms != null) + return syms; + break; + } + } + } + return getInstance(LocaleHelper.getFallbackLocale(locale)); + } + +} |