svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.framework / org.gvsig.andami / src / main / java / org / gvsig / andami / impl / DefaultLocaleManager.java @ 41390
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package org.gvsig.andami.impl; |
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import java.io.File; |
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import java.net.URL; |
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import java.security.AccessController; |
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import java.security.PrivilegedAction; |
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import java.util.Collections; |
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import java.util.Comparator; |
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import java.util.HashSet; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Locale; |
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import java.util.Set; |
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import java.util.TreeSet; |
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import javax.swing.JComponent; |
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import javax.swing.SwingUtilities; |
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import org.apache.commons.configuration.PropertiesConfiguration; |
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import org.apache.commons.lang3.LocaleUtils; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.andami.Launcher; |
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import org.gvsig.andami.LocaleManager; |
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import org.gvsig.andami.PluginServices; |
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import org.gvsig.andami.PluginsLocator; |
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import org.gvsig.andami.PluginsManager; |
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import org.gvsig.andami.config.generate.AndamiConfig; |
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import org.gvsig.andami.ui.mdiFrame.MDIFrame; |
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import org.gvsig.utils.XMLEntity; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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public class DefaultLocaleManager implements LocaleManager { |
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private static final Logger logger |
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= LoggerFactory.getLogger(DefaultLocaleManager.class); |
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private static final String LOCALE_CODE_VALENCIANO = "vl"; |
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private static final String I18N_EXTENSION = "org.gvsig.i18n.extension"; |
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private static final String INSTALLED_TRANSLATIONS_HOME_FOLDER = "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 final Locale[] hardcoredLocales = new Locale[]{ |
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// Default supported locales
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SPANISH, // Spanish
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ENGLISH, // English
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new Locale("en", "US"), // English US |
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new Locale("ca"), // Catalan |
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new Locale("gl"), // Galician |
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new Locale("eu"), // Basque |
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new Locale("de"), // German |
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new Locale("cs"), // Czech |
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new Locale("fr"), // French |
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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("pt", "BR"), // Portuguese Brazil |
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new Locale("ro"), // Romanian |
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new Locale("zh"), // Chinese |
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new Locale("ru"), // Russian |
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new Locale("el"), // Greek |
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new Locale("ro"), // Romanian |
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new Locale("pl"), // Polish |
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new Locale("tr"), // Turkish |
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new Locale("sr"), // Serbio |
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new Locale("sw") // Swahili |
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}; |
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private Set installedLocales = null; |
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private Set defaultLocales = null; |
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public DefaultLocaleManager() {
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Locale currentLocale = org.gvsig.i18n.Messages.getCurrentLocale();
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this.setCurrentLocale(currentLocale);
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} |
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public Locale getCurrentLocale() { |
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return org.gvsig.i18n.Messages.getCurrentLocale();
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} |
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public void setCurrentLocale(final Locale locale) { |
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org.gvsig.i18n.Messages.setCurrentLocale(locale, this.getLocaleAlternatives(locale));
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String localeStr = locale.getLanguage();
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if ( localeStr.equalsIgnoreCase(LOCALE_CODE_VALENCIANO) ) {
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Locale.setDefault(new Locale("ca")); |
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} else {
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Locale.setDefault(locale);
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} |
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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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setCurrentLocaleUI(locale); |
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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 = getSystemProperty("user.language", "en"); |
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// for compatibility, check for old user.region property
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region = getSystemProperty("user.region", null); |
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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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} else {
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country = region; |
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variant = "";
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} |
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} else {
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country = getSystemProperty("user.country", ""); |
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variant = getSystemProperty("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 Set<Locale> getDefaultLocales() { |
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if ( this.defaultLocales == null ) { |
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PluginsManager pluginsManager = PluginsLocator.getManager(); |
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File localesFile = new File(pluginsManager.getApplicationI18nFolder(), "locale.config"); |
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PropertiesConfiguration config = null;
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if ( localesFile.canRead() ) {
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try {
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config = new PropertiesConfiguration(localesFile);
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} catch (Exception ex) { |
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logger.warn("Can't open configuration '" + localesFile + "'.", ex); |
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} |
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} |
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defaultLocales = new HashSet<Locale>(); |
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if ( config == null ) { |
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for ( int i = 0; i < hardcoredLocales.length; i++ ) { |
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defaultLocales.add(hardcoredLocales[i]); |
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} |
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} else {
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List localeCodes = config.getList("locale"); |
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for ( Object localeCode : localeCodes ) { |
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Locale locale = LocaleUtils.toLocale((String) localeCode); |
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defaultLocales.add(locale); |
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} |
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} |
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} |
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return this.defaultLocales; |
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} |
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public boolean installLocales(URL localesFile) { |
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PluginsManager pluginsManager = PluginsLocator.getManager(); |
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PropertiesConfiguration config = null;
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try {
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config = new PropertiesConfiguration(localesFile);
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} catch (Exception ex) { |
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logger.warn("Can't open configuration '" + localesFile + "'.", ex); |
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} |
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if ( config == null ) { |
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return false; |
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} |
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List localeCodes = config.getList("locale"); |
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for ( Object localeCode : localeCodes ) { |
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Locale locale = LocaleUtils.toLocale((String) localeCode); |
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if ( !getInstalledLocales().contains(locale) ) {
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this.installedLocales.add(locale);
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} |
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} |
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storeInstalledLocales(); |
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return true; |
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} |
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public Set<Locale> getInstalledLocales() { |
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if ( installedLocales == null ) { |
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installedLocales = new TreeSet<Locale>(new Comparator<Locale>() { |
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public int compare(Locale t0, Locale t1) { |
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if( t1 == null || t0 == null ) { |
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return 0; |
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} |
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return getLanguageDisplayName(t0).compareToIgnoreCase(getLanguageDisplayName(t1));
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} |
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}); |
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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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installedLocales.addAll(getDefaultLocales()); |
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storeInstalledLocales(); |
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} else {
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XMLEntity localesEntity = getRegisteredLocalesPersistence(); |
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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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installedLocales.add(locale); |
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} |
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} |
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} |
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return Collections.unmodifiableSet(installedLocales); |
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} |
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public boolean installLocale(Locale 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 ( !getInstalledLocales().contains(locale) ) {
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getInstalledLocales().add(locale); |
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storeInstalledLocales(); |
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} |
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return true; |
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} |
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public boolean uninstallLocale(Locale locale) { |
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if ( !getInstalledLocales().remove(locale) ) {
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return false; |
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} |
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storeInstalledLocales(); |
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return true; |
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} |
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public String getLanguageDisplayName(Locale locale) { |
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String displayName;
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if ( "eu".equals(locale.getLanguage()) |
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&& "vascuence".equals(locale.getDisplayLanguage()) ) {
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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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displayName = "Euskera";
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} else if ( LOCALE_CODE_VALENCIANO.equals(locale.getLanguage()) ) { |
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// Patch for Valencian/Catalan
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displayName = "Valenci?";
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} else {
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displayName = locale.getDisplayLanguage(locale); |
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} |
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return StringUtils.capitalize(displayName);
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} |
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public Locale[] getLocaleAlternatives(Locale locale) { |
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Locale alternatives[] = null; |
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String localeStr = locale.getLanguage();
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if ( localeStr.equals("es") || |
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localeStr.equals("ca") ||
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localeStr.equals("gl") ||
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localeStr.equals("eu") ||
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localeStr.equals(LOCALE_CODE_VALENCIANO) ) { |
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alternatives = new Locale[2]; |
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alternatives[0] = new Locale("es"); |
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alternatives[1] = new Locale("en"); |
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} else {
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// prefer English for the rest
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alternatives = new Locale[2]; |
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alternatives[0] = new Locale("en"); |
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alternatives[1] = new Locale("es"); |
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} |
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return alternatives;
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} |
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private void setCurrentLocaleUI(final Locale locale) { |
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if ( !SwingUtilities.isEventDispatchThread() ) { |
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try {
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SwingUtilities.invokeAndWait(new Runnable() { |
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public void run() { |
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setCurrentLocaleUI(locale); |
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} |
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}); |
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} catch (Exception ex) { |
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// Ignore
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} |
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} |
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try {
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JComponent.setDefaultLocale(locale);
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} catch (Exception ex) { |
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logger.warn("Problems setting locale to JComponent.", ex);
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} |
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try {
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MDIFrame.getInstance().setLocale(locale); |
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} catch (Exception ex) { |
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logger.warn("Problems settings locale to MDIFrame.", ex);
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} |
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} |
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public File getResourcesFolder() { |
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File i18nFolder = new File( |
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PluginsLocator.getManager().getApplicationHomeFolder(), |
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INSTALLED_TRANSLATIONS_HOME_FOLDER |
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); |
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if ( !i18nFolder.exists() ) {
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i18nFolder.mkdirs(); |
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} |
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return i18nFolder;
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} |
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/**
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* Returns the child XMLEntity with the RegisteredLocales.
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*/
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private XMLEntity getRegisteredLocalesPersistence() {
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XMLEntity entity = getI18nPersistence(); |
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XMLEntity child = null;
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for ( int i = entity.getChildrenCount() - 1; i >= 0; i-- ) { |
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XMLEntity tmpchild = entity.getChild(i); |
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if ( tmpchild.getName().equals(REGISTERED_LOCALES_PERSISTENCE) ) {
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child = tmpchild; |
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break;
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} |
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} |
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return child;
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} |
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/**
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* Stores the list of installed locales into the plugin persistence.
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*/
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private void storeInstalledLocales() { |
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XMLEntity localesEntity = getRegisteredLocalesPersistence(); |
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// Remove the previous list of registered languages
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if ( localesEntity != null ) { |
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XMLEntity i18nPersistence = getI18nPersistence(); |
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for ( int i = i18nPersistence.getChildrenCount() - 1; i >= 0; i-- ) { |
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XMLEntity child = i18nPersistence.getChild(i); |
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if ( child.getName().equals(REGISTERED_LOCALES_PERSISTENCE) ) {
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i18nPersistence.removeChild(i); |
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break;
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} |
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} |
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} |
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// Create the new persistence for the registered languages
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localesEntity = new XMLEntity();
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localesEntity.setName(REGISTERED_LOCALES_PERSISTENCE); |
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Set<Locale> locales = getInstalledLocales(); |
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for ( Iterator iterator = locales.iterator(); iterator.hasNext(); ) { |
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Locale locale = (Locale) iterator.next(); |
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XMLEntity localeEntity = new XMLEntity();
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localeEntity.setName(locale.getDisplayName()); |
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localeEntity.putProperty(LANGUAGE, locale.getLanguage()); |
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localeEntity.putProperty(COUNTRY, locale.getCountry()); |
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localeEntity.putProperty(VARIANT, locale.getVariant()); |
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localesEntity.addChild(localeEntity); |
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} |
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getI18nPersistence().addChild(localesEntity); |
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} |
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/**
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* Returns the I18n Plugin persistence.
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*/
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private XMLEntity getI18nPersistence() {
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XMLEntity entity |
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= PluginServices.getPluginServices(I18N_EXTENSION).getPersistentXML(); |
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return entity;
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} |
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@SuppressWarnings("unchecked") |
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private String getSystemProperty(final String property, String defaultValue) { |
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String value
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= (String) AccessController.doPrivileged(new PrivilegedAction() { |
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public Object run() { |
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return System.getProperty(property); |
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} |
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}); |
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return value == null ? defaultValue : value; |
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} |
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} |