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/*
* Copyright (c) 2012, Eric Coolman, Codename One and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Codename One designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Codename One through http://www.codenameone.com/ if you
* need additional information or have any questions.
*/
package com.codename1.l10n;
import java.util.Calendar;
import java.util.Hashtable;
import java.util.TimeZone;
/**
* @author Eric Coolman
*
*/
public class DateFormatSymbols implements Cloneable {
public static final int ZONE_ID = 0;
public static final int ZONE_LONGNAME = 1;
public static final int ZONE_SHORTNAME = 2;
public static final int ZONE_LONGNAME_DST = 3;
public static final int ZONE_SHORTNAME_DST = 4;
private static final String L10N_ZONE_LONGNAME = "ZONE_LONGNAME_";
private static final String L10N_ZONE_SHORTNAME = "ZONE_SHORTNAME_";
private static final String L10N_ZONE_LONGNAME_DST = "ZONE_LONGNAME_DST_";
private static final String L10N_ZONE_SHORTNAME_DST = "ZONE_SHORTNAME_DST_";
private static final String L10N_WEEKDAY_LONGNAME = "WEEKDAY_LONGNAME_";
private static final String L10N_WEEKDAY_SHORTNAME = "WEEKDAY_SHORTNAME_";
private static final String L10N_MONTH_LONGNAME = "MONTH_LONGNAME_";
private static final String L10N_MONTH_SHORTNAME = "MONTH_SHORTNAME_";
private static final String L10N_AMPM = "AMPM_";
private static final String L10N_ERA = "ERA_";
private static final String MONTHS[] = {"January", "February", "March", "April", "May", "June", "July", "August",
"September", "October", "November", "December"};
private static final String WEEKDAYS[] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
"Saturday"};
private static final String AMPMS[] = {"AM", "PM"};
private static final String ERAS[] = {"AD", "BC"};
private Hashtable resourceBundle;
private String ampms[];
private String months[];
private String zoneStrings[][];
private String shortMonths[];
private String weekdays[];
private String shortWeekdays[];
private String eras[];
/**
* Allows turning localization on/off defaults to localization
*/
private boolean localized = true;
public String[] getAmPmStrings() {
synchronized (this) {
if (ampms == null) {
if (resourceBundle == null) {
return AMPMS;
}
String newAmpms[] = new String[2];
newAmpms[0] = getLocalizedValue(L10N_AMPM + "AM", AMPMS[0]);
newAmpms[1] = getLocalizedValue(L10N_AMPM + "PM", AMPMS[1]);
ampms = newAmpms;
}
}
return ampms;
}
public void setAmPmStrings(String[] newAmpms) {
if (newAmpms.length != 2) {
throw new IllegalArgumentException("Expecting array size of 2");
}
ampms = newAmpms;
}
public Hashtable getResourceBundle() {
return resourceBundle;
}
public void setResourceBundle(Hashtable newResourceBundle) {
this.resourceBundle = newResourceBundle;
// force rebuild
ampms = null;
months = null;
zoneStrings = null;
shortMonths = null;
weekdays = null;
shortWeekdays = null;
eras = null;
}
String getLocalizedValue(String key, String defaultValue) {
if(localized) {
Hashtable resourceBundle = getResourceBundle();
if (resourceBundle == null || resourceBundle.containsKey(key) == false) {
return defaultValue;
}
String v = (resourceBundle.get(key));
return (v.length() > 0) ? v : defaultValue;
}
return defaultValue;
}
public String[][] getZoneStrings() {
synchronized (this) {
if (zoneStrings == null) {
String ids[] = TimeZone.getAvailableIDs();
String newZoneStrings[][] = new String[ids.length][5];
int ilen = ids.length;
for (int i = 0; i < ilen; i++) {
newZoneStrings[i][ZONE_ID] = ids[i]; // - time zone ID
String key = ids[i].toUpperCase();
newZoneStrings[i][ZONE_LONGNAME] = getLocalizedValue(L10N_ZONE_LONGNAME + key, ids[i]);
newZoneStrings[i][ZONE_SHORTNAME] = getLocalizedValue(L10N_ZONE_SHORTNAME + key, ids[i]);
newZoneStrings[i][ZONE_LONGNAME_DST] = getLocalizedValue(L10N_ZONE_LONGNAME_DST + key, ids[i]);
newZoneStrings[i][ZONE_SHORTNAME_DST] = getLocalizedValue(L10N_ZONE_SHORTNAME_DST + key, ids[i]);
}
zoneStrings = newZoneStrings;
}
}
return zoneStrings;
}
public void setZoneStrings(String[][] newZoneStrings) {
if (newZoneStrings != null) {
for (String zone[] : newZoneStrings) {
if (zone.length < 5) {
throw new IllegalArgumentException("Expecting inner array size of 5");
}
}
}
zoneStrings = newZoneStrings;
}
/**
* Adds a timezone mapping so that SimpleDateFormat can recognize abbreviated timezones.
* @param zoneId The TimeZone ID. E.g. America/New_York
* @param longName The long name of the mapping. E.g. Eastern Standard Time
* @param longNameDST The long name of the mapping in daylight saving time. E.g. Eastern Daylight Time
* @param shortName The short name of the mapping. E.g. EST
* @param shortNameDST The short name of the mapping in daylight saving time. E.g. EDT
*/
public void addZoneMapping(String zoneId, String longName, String longNameDST, String shortName, String shortNameDST) {
localized = true;
Hashtable h = getResourceBundle();
if (h == null) {
h = new Hashtable();
setResourceBundle(h);
}
zoneId = zoneId.toUpperCase();
h.put(L10N_ZONE_LONGNAME + zoneId, longName);
h.put(L10N_ZONE_LONGNAME_DST + zoneId, longNameDST);
h.put(L10N_ZONE_SHORTNAME + zoneId, shortName);
h.put(L10N_ZONE_SHORTNAME_DST + zoneId, shortNameDST);
}
/**
* Gets the short name of a given timezone.
* @param zoneId The timezone ID. E.g. America/Vancouver
* @param defaultValue A default value if no mapping is found.
* @return The short name of the timezone. E.g. PST
*/
public String getZoneShortName(String zoneId, String defaultValue) {
zoneId = zoneId.toUpperCase();
return getLocalizedValue(L10N_ZONE_SHORTNAME + zoneId, defaultValue);
}
/**
* Gets the short name of a given timezone in daylight saving time.
* @param zoneId The timezone ID. E.g. America/Vancouver
* @param defaultValue A default value if no mapping is found.
* @return The short name of the timezone in daylight saving time. E.g. PDT
*/
public String getZoneShortNameDST(String zoneId, String defaultValue) {
zoneId = zoneId.toUpperCase();
return getLocalizedValue(L10N_ZONE_SHORTNAME_DST + zoneId, defaultValue);
}
/**
* Gets the long name of a given timezone.
* @param zoneId The timezone ID. E.g. America/Vancouver
* @param defaultValue A default value if no mapping is found.
* @return The short name of the timezone. E.g. Pacific Standard Time
*/
public String getZoneLongName(String zoneId, String defaultValue) {
zoneId = zoneId.toUpperCase();
return getLocalizedValue(L10N_ZONE_LONGNAME + zoneId, defaultValue);
}
/**
* Gets the long name of a given timezone in daylight saving time.
* @param zoneId The timezone ID. E.g. America/Vancouver
* @param defaultValue A default value if no mapping is found.
* @return The short name of the timezone. E.g. Pacific Daylight Time
*/
public String getZoneLongNameDST(String zoneId, String defaultValue) {
zoneId = zoneId.toUpperCase();
return getLocalizedValue(L10N_ZONE_LONGNAME_DST + zoneId, defaultValue);
}
public void setShortWeekdays(String[] newShortWeekdays) {
if (newShortWeekdays.length != 7) {
throw new IllegalArgumentException("Expecting array size of 7");
}
shortWeekdays = newShortWeekdays;
}
String[] createShortforms(String longForms[], String l10nKey) {
String shortForms[] = new String[longForms.length];
int sflen = shortForms.length;
for (int i = 0; i < sflen; i++) {
String defaultVal = longForms == MONTHS ? getPlatformLocalizedShortMonths()[i] : null;
String shortForm = getLocalizedValue(l10nKey + longForms[i].toUpperCase(), defaultVal);
if (shortForm != null) {
shortForms[i] = shortForm;
} else {
int len = longForms[i].length();
if (len < 3) {
shortForms[i] = longForms[i];
} else {
shortForms[i] = limitLength(longForms[i], 3);
}
}
}
return shortForms;
}
public String[] getShortWeekdays() {
synchronized (this) {
if (shortWeekdays == null) {
shortWeekdays = createShortforms(getWeekdays(), L10N_WEEKDAY_SHORTNAME);
}
}
return shortWeekdays;
}
public String[] getWeekdays() {
synchronized (this) {
if (weekdays == null) {
if (resourceBundle == null) {
return WEEKDAYS;
}
int wlen = WEEKDAYS.length;
String newWeekdays[] = new String[wlen];
for (int i = 0; i < wlen; i++) {
String key = WEEKDAYS[i].toUpperCase();
newWeekdays[i] = getLocalizedValue(L10N_WEEKDAY_LONGNAME + key, WEEKDAYS[i]);
}
weekdays = newWeekdays;
}
}
return weekdays;
}
public void setWeekdays(String[] newWeekdays) {
if (newWeekdays != null && newWeekdays.length != 7) {
throw new IllegalArgumentException("Expecting array size of 7");
}
weekdays = newWeekdays;
}
public void setShortMonths(String[] newShortMonths) {
if (newShortMonths != null && newShortMonths.length != 12) {
throw new IllegalArgumentException("Expecting array size of 12");
}
shortMonths = newShortMonths;
}
public String[] getShortMonths() {
synchronized (this) {
if (shortMonths == null) {
shortMonths = createShortforms(MONTHS, L10N_MONTH_SHORTNAME);
}
}
return shortMonths;
}
public void setMonths(String[] newMonths) {
if (newMonths != null && newMonths.length != 12) {
throw new IllegalArgumentException("Expecting array size of 12");
}
months = newMonths;
}
private String[] platformLocalizedMonths;
private String[] getPlatformLocalizedMonths() {
if(!localized) {
return MONTHS;
}
if (platformLocalizedMonths == null) {
int len = MONTHS.length;
platformLocalizedMonths = new String[len];
L10NManager l10n = L10NManager.getInstance();
Calendar cal = Calendar.getInstance();
cal.set(Calendar.DAY_OF_MONTH, 15);
for (int i=0; i len) {
return s.substring(0, len);
}
return s;
}
}
