root / branches / v10 / extensions / extI18n / src / org / gvsig / i18n / impl / I18nManagerImpl.java @ 26431
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Gobernment (CIT)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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/*
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* AUTHORS (In addition to CIT):
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* 2008 {DiSiD Technologies} {New extension for installation and update of text translations}
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*/
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package org.gvsig.i18n.impl; |
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import java.io.*; |
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import java.security.AccessController; |
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import java.util.*; |
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import java.util.Map.Entry; |
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import java.util.zip.*; |
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import org.gvsig.i18n.*; |
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import sun.security.action.GetPropertyAction; |
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import com.iver.andami.Launcher; |
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import com.iver.andami.PluginServices; |
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import com.iver.andami.config.generate.AndamiConfig; |
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import com.iver.utiles.StringUtilities; |
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import com.iver.utiles.XMLEntity; |
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/**
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* Implementation of the I18nManager interface.
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*
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* @author <a href="mailto:dcervera@disid.com">David Cervera</a>
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* @author <a href="mailto:cordin@disid.com">C?sar Ordi?ana</a>
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*/
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public class I18nManagerImpl implements I18nManager { |
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private static final String LOCALES_FILE_NAME = "locales.csv"; |
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private static final String CSV_SEPARATOR = ","; |
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private static final String I18N_EXTENSION = "org.gvsig.i18n"; |
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private static final String VARIANT = "variant"; |
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private static final String COUNTRY = "country"; |
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private static final String LANGUAGE = "language"; |
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private static final String REGISTERED_LOCALES_PERSISTENCE = "RegisteredLocales"; |
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private static final I18nManager DEFAULT = new I18nManagerImpl(); |
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private Set registeredLocales; |
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/**
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* The list of default reference locales. The last one will be used to get
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* all the keys when translating to a new locale.
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*/
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private Locale[] referenceLocales = new Locale[] { ENGLISH, SPANISH }; |
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private Locale[] defaultLocales = new Locale[] { |
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// Default supported locales
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new Locale("ca"), // Catalan |
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new Locale("cs"), // Czech |
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new Locale("de"), // German |
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ENGLISH, // English
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SPANISH, // Spanish
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new Locale("eu"), // Basque |
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new Locale("fr"), // French |
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new Locale("gl"), // Galician |
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new Locale("it"), // Italian |
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new Locale("pl"), // Polish |
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new Locale("pt"), // Portuguese |
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new Locale("ro"), // Romanian |
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new Locale("zh"), // Chinese |
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}; |
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/**
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* Returns the unique instance of the I18nManager.
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*
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* @return the unique instance
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*/
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public static I18nManager getInstance() { |
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return DEFAULT;
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} |
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public static String capitalize(String text) { |
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// Convert the first letter to uppercase
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String capitalLetter = new String(new char[] { Character |
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.toUpperCase(text.charAt(0)) });
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return capitalLetter.concat(text.substring(1)); |
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} |
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/**
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* Empty constructor.
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*/
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I18nManagerImpl() { |
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} |
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public Locale[] getInstalledLocales() { |
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if (registeredLocales == null) { |
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XMLEntity child = getRegisteredLocalesPersistence(); |
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// If the list of registered locales is not already persisted,
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// this should be the first time gvSIG is run with the I18nPlugin
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// so we will take the list of default locales
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if (child == null) { |
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Locale[] defaultLocales = getDefaultLocales(); |
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registeredLocales = new HashSet(defaultLocales.length); |
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for (int i = 0; i < defaultLocales.length; i++) { |
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registeredLocales.add(defaultLocales[i]); |
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} |
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storeInstalledLocales(); |
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} |
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else {
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XMLEntity localesEntity = getRegisteredLocalesPersistence(); |
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registeredLocales = new HashSet(localesEntity |
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.getChildrenCount()); |
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for (int i = 0; i < localesEntity.getChildrenCount(); i++) { |
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XMLEntity localeEntity = localesEntity.getChild(i); |
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String language = localeEntity.getStringProperty(LANGUAGE);
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String country = localeEntity.getStringProperty(COUNTRY);
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String variant = localeEntity.getStringProperty(VARIANT);
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Locale locale = new Locale(language, country, variant); |
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registeredLocales.add(locale); |
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} |
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} |
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} |
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return (Locale[]) registeredLocales |
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.toArray(new Locale[registeredLocales.size()]); |
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} |
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public void uninstallLocale(Locale locale) throws I18nException { |
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if (getCurrentLocale().equals(locale) || isReferenceLocale(locale)) {
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throw new UninstallLocaleException(locale); |
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} |
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if (registeredLocales.remove(locale)) {
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// Remove from the configured locale list
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storeInstalledLocales(); |
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// Remove the resource bundle file
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File bundleFile = new File(getResourcesFolder(), |
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getResourceFileName(locale)); |
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if (bundleFile.exists()) {
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bundleFile.delete(); |
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} |
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} |
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} |
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public String getDisplayName(Locale locale) { |
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return getDisplayName(locale, locale);
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} |
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public String getDisplayName(Locale locale, Locale displayLocale) { |
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StringBuffer name = new StringBuffer(getLanguageDisplayName(locale, |
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displayLocale)); |
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boolean close = false; |
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if (!isEmpty(locale.getCountry())) {
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name.append(" (");
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name.append(locale.getDisplayCountry(displayLocale)); |
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close = true;
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} |
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if (!isEmpty(locale.getVariant())) {
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if (close) {
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name.append(" - ");
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} |
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else {
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name.append(" (");
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close = true;
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} |
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name.append(locale.getDisplayVariant(displayLocale)); |
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} |
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if (close) {
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name.append(')');
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} |
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return name.toString();
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} |
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private boolean isEmpty(String text) { |
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return text == null || text.trim().length() == 0; |
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} |
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public String getLanguageDisplayName(Locale locale) { |
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return getLanguageDisplayName(locale, locale);
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} |
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public String getLanguageDisplayName(Locale locale, Locale displayLocale) { |
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String displayName;
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// Correction for the Basque language display name,
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// show it in Basque, not in Spanish
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if ("eu".equals(locale.getLanguage()) |
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&& "vascuence".equals(locale.getDisplayLanguage())) {
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displayName = "Euskera";
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} |
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// Patch for Valencian/Catalan
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else if ("ca".equals(locale.getLanguage())) { |
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displayName = Messages.getText("__catalan");
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} |
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else {
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displayName = locale.getDisplayLanguage(displayLocale); |
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} |
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return capitalize(displayName);
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} |
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public Locale getCurrentLocale() { |
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return Locale.getDefault(); |
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} |
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public Locale getDefaultSystemLocale() { |
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String language, region, country, variant;
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language = (String) AccessController |
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.doPrivileged(new GetPropertyAction("user.language", "en")); |
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// for compatibility, check for old user.region property
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region = (String) AccessController.doPrivileged(new GetPropertyAction( |
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"user.region"));
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if (region != null) { |
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// region can be of form country, country_variant, or _variant
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int i = region.indexOf('_'); |
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if (i >= 0) { |
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country = region.substring(0, i);
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variant = region.substring(i + 1);
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} |
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else {
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country = region; |
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variant = "";
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} |
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} |
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else {
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country = (String) AccessController |
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.doPrivileged(new GetPropertyAction("user.country", "")); |
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variant = (String) AccessController |
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.doPrivileged(new GetPropertyAction("user.variant", "")); |
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} |
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return new Locale(language, country, variant); |
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} |
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public void setCurrentLocale(Locale locale) { |
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AndamiConfig config = Launcher.getAndamiConfig(); |
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config.setLocaleLanguage(locale.getLanguage()); |
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config.setLocaleCountry(locale.getCountry()); |
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config.setLocaleVariant(locale.getVariant()); |
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} |
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public Locale[] installLocales(File importFile) throws I18nException { |
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List importLocales = new ArrayList(); |
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try {
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ZipFile zipFile = new ZipFile(importFile); |
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Map locales = getZipFileNonReferenceLocales(zipFile);
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for (Iterator iterator = locales.entrySet().iterator(); iterator |
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.hasNext();) { |
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Entry entry = (Entry) iterator.next(); |
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String fileName = (String) entry.getKey(); |
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Locale locale = (Locale) entry.getValue(); |
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importLocales.add(locale); |
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// Add the locale to the list of installed ones, if it
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// is new, otherwise, update the texts.
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if (!registeredLocales.contains(locale)) {
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registeredLocales.add(locale); |
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storeInstalledLocales(); |
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} |
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// Replace the old bundle with the new one
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ZipEntry zipEntry = zipFile.getEntry(fileName);
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InputStream is = zipFile.getInputStream(zipEntry);
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BufferedReader reader = new BufferedReader( |
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new InputStreamReader(is)); |
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File bundleFile = getResourceFile(locale);
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FileWriter fileWriter = new FileWriter(bundleFile); |
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BufferedWriter writer = new BufferedWriter(fileWriter); |
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String line;
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while ((line = reader.readLine()) != null) { |
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writer.write(line); |
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writer.write('\n');
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} |
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writer.flush(); |
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writer.close(); |
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fileWriter.close(); |
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reader.close(); |
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is.close(); |
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} |
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} catch (Exception ex) { |
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throw new InstallLocalesException(importFile, ex); |
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} |
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return (Locale[]) importLocales |
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.toArray(new Locale[importLocales.size()]); |
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} |
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public void exportLocaleForUpdate(Locale locale, Locale referenceLocale, |
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File exportFile) throws I18nException { |
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exportLocale(locale, referenceLocale, exportFile, true);
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} |
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public void exportLocaleForTranslation(Locale locale, |
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Locale referenceLocale, File exportFile) throws I18nException { |
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exportLocale(locale, referenceLocale, exportFile, false);
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} |
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public Locale[] getReferenceLocales() { |
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return referenceLocales;
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} |
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public void setReferenceLocales(Locale[] referenceLocales) { |
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this.referenceLocales = referenceLocales;
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} |
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public void setDefaultLocales(Locale[] defaultLocales) { |
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this.defaultLocales = defaultLocales;
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} |
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private void exportLocale(Locale locale, Locale referenceLocale, |
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File exportFile, boolean update) throws I18nException { |
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Locale[] refArray = getReferenceLocalesToExport(locale, referenceLocale); |
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try {
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FileOutputStream fos = new FileOutputStream(exportFile); |
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ZipOutputStream zipos = new ZipOutputStream(fos); |
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// Create the index file
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writeZipFileLocales(zipos, locale, refArray); |
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PrintStream ps = new PrintStream(zipos); |
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Map texts = null; |
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if (update) {
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// First, export the locale to update
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texts = getAllTexts(locale); |
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putResourceInZip(zipos, ps, texts, getResourceFileName(locale)); |
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} |
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else { // translate |
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// First, export the locale to translate, taking the keys from
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// the reference locale, but without values
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// We will use the keys of the reference locale
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texts = getAllTexts(referenceLocale); |
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putResourceInZip(zipos, ps, texts, getResourceFileName(locale), |
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false);
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} |
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// Next, export the reference locales
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for (int i = 0; i < refArray.length; i++) { |
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texts = getAllTexts(refArray[i]); |
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putResourceInZip(zipos, ps, texts, |
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getResourceFileName(refArray[i])); |
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} |
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ps.flush(); |
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ps.close(); |
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zipos.close(); |
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fos.close(); |
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} catch (IOException ex) { |
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throw new ExportLocaleException(locale, ex); |
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} |
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} |
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/**
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* Returns the list of reference locales to export, as the union of the
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* default reference locales list and the one selected as reference. The
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* locale to translate or update is extracted from the list.
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*/
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private Locale[] getReferenceLocalesToExport(Locale locale, |
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Locale referenceLocale) {
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// The reference locales to export are the default ones plus the
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// selected by the user.
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Set exportRefLocales = new HashSet(referenceLocales.length); |
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for (int i = 0; i < referenceLocales.length; i++) { |
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exportRefLocales.add(referenceLocales[i]); |
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} |
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exportRefLocales.add(referenceLocale); |
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exportRefLocales.remove(locale); |
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Locale[] refArray = (Locale[]) exportRefLocales |
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.toArray(new Locale[exportRefLocales.size()]); |
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return refArray;
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} |
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/**
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* Returns all the localized texts and its keys for a locale.
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*/
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private Map getAllTexts(Locale locale) { |
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return Messages.getAllTexts(locale);
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} |
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private Map getZipFileNonReferenceLocales(ZipFile zipFile) |
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throws I18nException {
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ZipEntry zipEntry = zipFile.getEntry(LOCALES_FILE_NAME);
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if (zipEntry == null) { |
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return null; |
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} |
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Map locales;
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try {
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InputStream is = zipFile.getInputStream(zipEntry);
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BufferedReader reader = new BufferedReader( |
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new InputStreamReader(is)); |
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locales = new HashMap(2); |
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String line;
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while ((line = reader.readLine()) != null) { |
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// The excepted format is:
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// FILENAME,LANGUAGE,COUNTRY,VARIANT,IS_REFERENCE
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StringTokenizer st = new StringTokenizer(line, CSV_SEPARATOR, |
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true);
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// First: locale file name (required)
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String fileName = st.nextToken();
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if (CSV_SEPARATOR.equals(fileName)) {
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throw new LocaleFileNameRequiredException(line); |
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} |
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else {
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// Read the next separator
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st.nextToken(); |
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} |
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// Second: the locale language (required)
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String language = st.nextToken();
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if (CSV_SEPARATOR.equals(language)) {
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throw new LocaleLanguageRequiredException(line); |
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} |
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else {
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// Read the next separator
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st.nextToken(); |
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} |
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// Third: the country
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String country = st.nextToken();
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if (CSV_SEPARATOR.equals(country)) {
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country = null;
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} |
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else {
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// Read the next separator
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st.nextToken(); |
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} |
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// Fourth: the variant
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String variant = st.nextToken();
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if (CSV_SEPARATOR.equals(variant)) {
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variant = null;
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} |
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else {
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// Read the next separator
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st.nextToken(); |
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} |
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// Fifth: is a reference locale?
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String refStr = st.nextToken();
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if (CSV_SEPARATOR.equals(refStr)) {
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refStr = null;
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} |
484 |
|
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// Only add non reference locales
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if (refStr != null && !"true".equals(refStr.toLowerCase())) { |
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// Variant only accepted if country defined
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if (country == null) { |
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variant = null;
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} |
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country = country == null ? "" : country; |
492 |
variant = variant == null ? "" : variant; |
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Locale locale = new Locale(language, country, variant); |
494 |
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locales.put(fileName, locale); |
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} |
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} |
498 |
|
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reader.close(); |
500 |
is.close(); |
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} catch (IOException ex) { |
502 |
throw new ReadCSVLocalesFileException(ex); |
503 |
} |
504 |
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return locales;
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} |
507 |
|
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private void writeZipFileLocales(ZipOutputStream zos, Locale locale, |
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Locale[] referenceLocales) throws IOException { |
510 |
ZipEntry zipEntry = new ZipEntry(LOCALES_FILE_NAME); |
511 |
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zos.putNextEntry(zipEntry); |
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BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(zos)); |
514 |
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writeLocaleEntry(locale, writer, false);
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for (int i = 0; i < referenceLocales.length; i++) { |
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writeLocaleEntry(referenceLocales[i], writer, true);
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} |
519 |
|
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writer.flush(); |
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zos.closeEntry(); |
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} |
523 |
|
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/**
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* Writes the locale entry into a writer.
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*
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* @param locale
|
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* the locale to create the entry for
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* @param writer
|
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* to write to
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* @param reference
|
532 |
* is it is a reference locale or not
|
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* @throws IOException
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* if there is an error creating the locale entry
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*/
|
536 |
private void writeLocaleEntry(Locale locale, BufferedWriter writer, |
537 |
boolean reference) throws IOException { |
538 |
String language = locale.getLanguage();
|
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String country = locale.getCountry();
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country = country == null ? "" : country; |
541 |
String variant = locale.getVariant();
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variant = variant == null ? "" : variant; |
543 |
|
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writer.write(getResourceFileName(locale)); |
545 |
writer.write(',');
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writer.write(language); |
547 |
writer.write(',');
|
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writer.write(country); |
549 |
writer.write(',');
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writer.write(variant); |
551 |
writer.write(',');
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writer.write(Boolean.toString(reference));
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writer.write('\n');
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} |
555 |
|
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/**
|
557 |
* Returns if a locale is one of the default reference ones.
|
558 |
*/
|
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private boolean isReferenceLocale(Locale locale) { |
560 |
for (int i = 0; i < referenceLocales.length; i++) { |
561 |
if (referenceLocales[i].equals(locale)) {
|
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return true; |
563 |
} |
564 |
} |
565 |
return false; |
566 |
} |
567 |
|
568 |
/**
|
569 |
* Puts a new resource file into a Jar file.
|
570 |
*/
|
571 |
private void putResourceInZip(ZipOutputStream zipos, PrintStream ps, |
572 |
Map texts, String resourceFileName) throws IOException { |
573 |
|
574 |
putResourceInZip(zipos, ps, texts, resourceFileName, true);
|
575 |
} |
576 |
|
577 |
/**
|
578 |
* Puts a new resource file into a Jar file.
|
579 |
*/
|
580 |
private void putResourceInZip(ZipOutputStream zipos, PrintStream ps, |
581 |
Map texts, String resourceFileName, boolean withValue) |
582 |
throws IOException { |
583 |
// Add ZIP entry for the resource bundle file
|
584 |
zipos.putNextEntry(new ZipEntry(resourceFileName)); |
585 |
|
586 |
for (Iterator iterator = texts.entrySet().iterator(); iterator |
587 |
.hasNext();) { |
588 |
Entry entry = (Entry) iterator.next(); |
589 |
String keyEncoded = escape((String) entry.getKey(), true); |
590 |
ps.print(keyEncoded); |
591 |
ps.print("=");
|
592 |
if (withValue) {
|
593 |
String valueEncoded = escape((String) entry.getValue(), false); |
594 |
ps.println(valueEncoded); |
595 |
} |
596 |
else {
|
597 |
ps.println(); |
598 |
} |
599 |
} |
600 |
|
601 |
ps.flush(); |
602 |
|
603 |
// Close the ZIP entry, the file is complete
|
604 |
zipos.closeEntry(); |
605 |
} |
606 |
|
607 |
/**
|
608 |
* Returns the file which contains the translations for a locale.
|
609 |
*/
|
610 |
private File getResourceFile(Locale locale) { |
611 |
return new File(getResourcesFolder(), getResourceFileName(locale)); |
612 |
} |
613 |
|
614 |
/**
|
615 |
* Returns the name of the file which contains the translations for a
|
616 |
* locale.
|
617 |
*/
|
618 |
private String getResourceFileName(Locale locale) { |
619 |
StringBuffer fileName = new StringBuffer("text"); |
620 |
|
621 |
// Spanish without country is the default locale
|
622 |
if (!(isEmpty(locale.getCountry()) && "es".equals(locale.getLanguage()))) { |
623 |
fileName.append('_').append(locale.getLanguage());
|
624 |
} |
625 |
|
626 |
// Add the locale country
|
627 |
if (!isEmpty(locale.getCountry())) {
|
628 |
fileName.append('_').append(locale.getCountry());
|
629 |
} |
630 |
|
631 |
// Add the locale variant
|
632 |
if (!isEmpty(locale.getVariant())) {
|
633 |
fileName.append('_').append(locale.getVariant());
|
634 |
} |
635 |
|
636 |
fileName.append(".properties");
|
637 |
return fileName.toString();
|
638 |
} |
639 |
|
640 |
/**
|
641 |
* Returns the folder where to store the resource bundle files.
|
642 |
*/
|
643 |
private File getResourcesFolder() { |
644 |
return PluginServices.getPluginServices("com.iver.cit.gvsig") |
645 |
.getPluginDirectory(); |
646 |
} |
647 |
|
648 |
/**
|
649 |
* Returns the child XMLEntity with the RegisteredLocales.
|
650 |
*/
|
651 |
private XMLEntity getRegisteredLocalesPersistence() {
|
652 |
XMLEntity entity = getI18nPersistence(); |
653 |
XMLEntity child = null;
|
654 |
for (int i = entity.getChildrenCount() - 1; i >= 0; i--) { |
655 |
XMLEntity tmpchild = entity.getChild(i); |
656 |
if (tmpchild.getName().equals(REGISTERED_LOCALES_PERSISTENCE)) {
|
657 |
child = tmpchild; |
658 |
break;
|
659 |
} |
660 |
} |
661 |
return child;
|
662 |
} |
663 |
|
664 |
/**
|
665 |
* Returns the I18n Plugin persistence.
|
666 |
*/
|
667 |
private XMLEntity getI18nPersistence() {
|
668 |
XMLEntity entity = PluginServices.getPluginServices(I18N_EXTENSION) |
669 |
.getPersistentXML(); |
670 |
return entity;
|
671 |
} |
672 |
|
673 |
/**
|
674 |
* Returns the list of default locales bundled with gvSIG.
|
675 |
*/
|
676 |
private Locale[] getDefaultLocales() { |
677 |
return defaultLocales;
|
678 |
} |
679 |
|
680 |
/**
|
681 |
* Stores the list of installed locales into the plugin persistence.
|
682 |
*/
|
683 |
private void storeInstalledLocales() { |
684 |
XMLEntity localesEntity = getRegisteredLocalesPersistence(); |
685 |
|
686 |
// Remove the previous list of registered languages
|
687 |
if (localesEntity != null) { |
688 |
XMLEntity i18nPersistence = getI18nPersistence(); |
689 |
for (int i = i18nPersistence.getChildrenCount() - 1; i >= 0; i--) { |
690 |
XMLEntity child = i18nPersistence.getChild(i); |
691 |
if (child.getName().equals(REGISTERED_LOCALES_PERSISTENCE)) {
|
692 |
i18nPersistence.removeChild(i); |
693 |
break;
|
694 |
} |
695 |
} |
696 |
} |
697 |
|
698 |
// Create the new persistence for the registered languages
|
699 |
localesEntity = new XMLEntity();
|
700 |
|
701 |
localesEntity.setName(REGISTERED_LOCALES_PERSISTENCE); |
702 |
|
703 |
for (Iterator iterator = registeredLocales.iterator(); iterator |
704 |
.hasNext();) { |
705 |
Locale locale = (Locale) iterator.next(); |
706 |
XMLEntity localeEntity = new XMLEntity();
|
707 |
localeEntity.setName(locale.getDisplayName()); |
708 |
localeEntity.putProperty(LANGUAGE, locale.getLanguage()); |
709 |
localeEntity.putProperty(COUNTRY, locale.getCountry()); |
710 |
localeEntity.putProperty(VARIANT, locale.getVariant()); |
711 |
|
712 |
localesEntity.addChild(localeEntity); |
713 |
} |
714 |
|
715 |
getI18nPersistence().addChild(localesEntity); |
716 |
} |
717 |
|
718 |
private String escape(String value, boolean replaceBlanks) { |
719 |
// First replace non printable characters
|
720 |
if (replaceBlanks) {
|
721 |
value = StringUtilities.replace(value, " ", "\\ "); |
722 |
} |
723 |
value = StringUtilities.replace(value, ":", "\\:"); |
724 |
value = StringUtilities.replace(value, "\n", "\\n"); |
725 |
value = StringUtilities.replace(value, "\t", "\\t"); |
726 |
value = StringUtilities.replace(value, "\b", "\\b"); |
727 |
value = StringUtilities.replace(value, "\f", "\\f"); |
728 |
value = StringUtilities.replace(value, "\r", "\\r"); |
729 |
// value = StringUtilities.replace(value, "\\", "\\\\");
|
730 |
// value = StringUtilities.replace(value, "\'", "\\\'");
|
731 |
// value = StringUtilities.replace(value, "\"", "\\\"");
|
732 |
|
733 |
// Next, encode in raw-unicode-escape
|
734 |
return toRawUnicodeEncoded(value);
|
735 |
} |
736 |
|
737 |
private String toRawUnicodeEncoded(String value) { |
738 |
StringBuffer sb = new StringBuffer(); |
739 |
for (int i = 0; i < value.length(); i++) { |
740 |
char c = value.charAt(i);
|
741 |
if (c <= 0x80) { |
742 |
sb.append(c); |
743 |
} |
744 |
else {
|
745 |
sb.append("\\u");
|
746 |
String hexValue = Integer.toHexString((int) c); |
747 |
// Append 0 if the hex value has less than 4 digits
|
748 |
for (int j = hexValue.length(); j < 4; j++) { |
749 |
sb.append('0');
|
750 |
} |
751 |
sb.append(hexValue); |
752 |
} |
753 |
} |
754 |
return sb.toString();
|
755 |
} |
756 |
} |