package org.argeo.cms;
-import java.security.AccessController;
-import java.util.ArrayList;
-import java.util.List;
import java.util.Locale;
import java.util.ResourceBundle;
-import javax.security.auth.Subject;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.cms.auth.CurrentUser;
+import org.argeo.api.cms.CmsLog;
/** Utilities simplifying the development of localization enums. */
public class LocaleUtils {
- private final static Log log = LogFactory.getLog(LocaleUtils.class);
+ final static String DEFAULT_OSGI_l10N_BUNDLE = "/OSGI-INF/l10n/bundle";
+
+ private final static CmsLog log = CmsLog.getLog(LocaleUtils.class);
private final static ThreadLocal<Locale> threadLocale = new ThreadLocal<>();
threadLocale.set(locale);
}
+ public static String local(Localized localized) {
+ return local(localized.name(), localized.getClass().getClassLoader());
+ }
+
+ public static String local(Localized localized, Locale locale) {
+ if (localized.name() == null) // untranslated
+ return localized.local(locale);
+ return local(localized.name(), locale, localized.getClass().getClassLoader());
+ }
+
+ @Deprecated
public static String local(Enum<?> en) {
- return local(en, getCurrentLocale(), "/OSGI-INF/l10n/bundle");
+ return local(en, getCurrentLocale(), DEFAULT_OSGI_l10N_BUNDLE);
}
+ @Deprecated
public static String local(Enum<?> en, Locale locale) {
- return local(en, locale, "/OSGI-INF/l10n/bundle");
+ return local(en, locale, DEFAULT_OSGI_l10N_BUNDLE);
}
+ @Deprecated
public static String local(Enum<?> en, Locale locale, String resource) {
return local(en, locale, resource, en.getClass().getClassLoader());
}
+ @Deprecated
public static String local(Enum<?> en, Locale locale, String resource, ClassLoader classLoader) {
return local(en.name(), locale, resource, classLoader);
}
public static String local(String key, ClassLoader classLoader) {
- return local(key, getCurrentLocale(), "/OSGI-INF/l10n/bundle", classLoader);
+ return local(key, getCurrentLocale(), DEFAULT_OSGI_l10N_BUNDLE, classLoader);
}
public static String local(String key, Locale locale, ClassLoader classLoader) {
- return local(key, locale, "/OSGI-INF/l10n/bundle", classLoader);
+ return local(key, locale, DEFAULT_OSGI_l10N_BUNDLE, classLoader);
}
+ /** Where the search for a message is actually performed. */
public static String local(String key, Locale locale, String resource, ClassLoader classLoader) {
ResourceBundle rb = ResourceBundle.getBundle(resource, locale, classLoader);
- assert key.length() > 2;
- if (isLocaleKey(key))
+ if (isLocaleKey(key)) {
+ assert key.length() > 1;
key = key.substring(1);
- return rb.getString(key);
+ }
+ if (rb.containsKey(key))
+ return rb.getString(key);
+ else // for simple cases, the key will actually be the English word
+ return key;
}
public static boolean isLocaleKey(String str) {
return false;
}
- public static String lead(String raw, Locale locale) {
+ /** Lead transformation on the translated string. */
+ public static String toLead(String raw, Locale locale) {
return raw.substring(0, 1).toUpperCase(locale) + raw.substring(1);
}
+ public static String lead(Localized localized, ClassLoader classLoader) {
+ Locale locale = getCurrentLocale();
+ if (localized.name() == null)// untranslated
+ return toLead(localized.local(locale), locale);
+ return toLead(local(localized.name(), getCurrentLocale(), DEFAULT_OSGI_l10N_BUNDLE, classLoader), locale);
+ }
+
public static String lead(Localized localized) {
- return lead(localized, getCurrentLocale());
+ return lead(localized, localized.getL10nClassLoader());
}
public static String lead(Localized localized, Locale locale) {
- return lead(localized.local(locale).toString(), locale);
+ return toLead(local(localized, locale), locale);
}
static Locale getCurrentLocale() {
Locale currentLocale = null;
- if (Subject.getSubject(AccessController.getContext()) != null)
+ if (CurrentUser.isAvailable())
currentLocale = CurrentUser.locale();
else if (threadLocale.get() != null) {
currentLocale = threadLocale.get();
// return Locale.getDefault();
}
- /** Returns null if argument is null. */
- public static List<Locale> asLocaleList(Object locales) {
- if (locales == null)
- return null;
- ArrayList<Locale> availableLocales = new ArrayList<Locale>();
- String[] codes = locales.toString().split(",");
- for (int i = 0; i < codes.length; i++) {
- String code = codes[i];
- // variant not supported
- int indexUnd = code.indexOf("_");
- Locale locale;
- if (indexUnd > 0) {
- String language = code.substring(0, indexUnd);
- String country = code.substring(indexUnd + 1);
- locale = new Locale(language, country);
- } else {
- locale = new Locale(code);
- }
- availableLocales.add(locale);
- }
- return availableLocales;
- }
}