Changeset 8283 in josm for trunk/src/org/openstreetmap/josm/tools

Timestamp:

2015-04-27T21:03:55+02:00 (10 years ago)

Author:

stoecker

Message:

some i18n code cleanups

Location:

trunk/src/org/openstreetmap/josm/tools

Files:

• I18n.java (modified) (3 diffs)
• LanguageInfo.java (modified) (5 diffs)

trunk/src/org/openstreetmap/josm/tools/I18n.java

@@ -83 +83 @@
     private static volatile PluralMode pluralMode = PluralMode.MODE_NOTONE; /* english default */
     private static volatile String loadedCode = "en";
+    /** store the original system locale for further use */
+    public static final Locale SystemLocale = Locale.getDefault();
 
     /* Localization keys for file chooser (and color chooser). */
@@ -494 +496 @@
         URL tr = getTranslationFile(l);
         if (tr == null || !languages.containsKey(l)) {
-            int i = l.indexOf('_');
-            if (i > 0) {
-                l = l.substring(0, i);
-            }
-            tr = getTranslationFile(l);
-            if (tr == null || !languages.containsKey(l))
-                return false;
+            return false;
         }
         try (
@@ -738 +734 @@
 
     /**
-     * Setup special font for Khmer script, as the default Java font do not display these characters.
+     * Setup special font for Khmer script, as the default Java fonts do not display these characters.
      *
-     * @since 8281
+     * @since 8282
      */
     public static void setupLanguageFonts() {

trunk/src/org/openstreetmap/josm/tools/LanguageInfo.java

@@ -4 +4 @@
 import static org.openstreetmap.josm.tools.I18n.trc;
 
+import java.util.Collection;
+import java.util.LinkedList;
 import java.util.Locale;
 
@@ -86 +88 @@
      * to identify the locale of a localized resource, but in some cases it may use the
      * programmatic name for locales, as replied by {@link Locale#toString()}.
+     * 
+     * For unknown country codes and variants this functuion already does fallback to
+     * internally known translations.
      *
      * @param locale the locale. Replies "en" if null.
@@ -92 +97 @@
     public static String getJOSMLocaleCode(Locale locale) {
         if (locale == null) return "en";
-        String full = locale.toString();
-        if ("iw_IL".equals(full))
-            return "he";
-        else if ("in".equals(full))
-            return "id";
-        else if ("ca__valencia".equals(full))
-            return "ca@valencia";
-        else if (I18n.hasCode(full)) // catch all non-single codes
-            return full;
-
-        // return single code
+        for(String full : getLanguageCodes(locale)) {
+            if ("iw_IL".equals(full))
+                return "he";
+            else if ("in".equals(full))
+                return "id";
+            else if (I18n.hasCode(full)) // catch all non-single codes
+                return full;
+        }
+
+        // return single code as fallback
         return locale.getLanguage();
     }
@@ -154 +158 @@
      */
     public static Locale getLocale(String localeName) {
-        localeName = getJavaLocaleCode(localeName);
-        if ("ca__valencia".equals(localeName)) {
-            return new Locale("ca", "", "valencia");
-        }
+        int country = localeName.indexOf("_");
+        int variant = localeName.indexOf("@");
+        if (variant < 0 && country >= 0)
+            variant = localeName.indexOf("_", country+1);
         Locale l;
-        int i = localeName.indexOf('_');
-        if (i > 0) {
-            l = new Locale(localeName.substring(0, i), localeName.substring(i + 1));
+        if (variant > 0 && country > 0) {
+            l = new Locale(localeName.substring(0, country), localeName.substring(country+1, variant), localeName.substring(variant + 1));
+        } else if (variant > 0) {
+            l = new Locale(localeName.substring(0, variant), "", localeName.substring(variant + 1));
+        } else if (country > 0) {
+            l = new Locale(localeName.substring(0, country), localeName.substring(country + 1));
         } else {
             l = new Locale(localeName);
@@ -208 +215 @@
         return code+"_";
     }
+
+    /**
+     * Replies a list of language codes for local names. Prefixes range from very specific
+     * to more generic.
+     * <ul>
+     *   <li>lang_COUNTRY@variant  of the current locale</li>
+     *   <li>lang@variant  of the current locale</li>
+     *   <li>lang_COUNTRY of the current locale</li>
+     *   <li>lang of the current locale</li>
+     * </ul>
+     *
+     * @param locale the locale to use, <code>null</code> for default locale
+     * @since 8283
+     * @return list of codes
+     */
+    public static Collection<String> getLanguageCodes(Locale l) {
+        Collection<String> list = new LinkedList<String>();
+        if(l == null)
+            l = Locale.getDefault();
+        String lang = l.getLanguage();
+        String c = l.getCountry();
+        String v = l.getVariant();
+        if(c.isEmpty())
+            c = null;
+        if(v != null && !v.isEmpty()) {
+            if(c != null)
+                list.add(lang+"_"+c+"@"+v);
+            list.add(lang+"@"+v);
+        }
+        if(c != null)
+            list.add(lang+"_"+c);
+        list.add(lang);
+        return list;
+    }
 }