src/classes/net/jankenpoi/i18n/I18n.java

   1 package net.jankenpoi.i18n;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.Locale;\r
   5 import java.util.ResourceBundle;\r
   6 \r
   7 /**\r
   8  * HOW TO USE THIS CLASS:<br/>\r
   9  * import static net.jankenpoi.i18n._; \r
  10  */\r
  11 public class I18n {\r
  12 \r
  13         private static ResourceBundle catalog;\r
  14 \r
  15         private static Locale currentLocale;\r
  16 \r
  17         private static Object lock = new Object();\r
  18 \r
  19         private final static ArrayList<LocaleListener> listeners = new ArrayList<LocaleListener>();\r
  20 \r
  21         static {\r
  22                 reset("");\r
  23         }\r
  24 \r
  25         public static void reset(String localeString) {\r
  26                 synchronized (lock) {\r
  27                         try {\r
  28                                 if (localeString != "")\r
  29                                         currentLocale = new Locale(localeString);\r
  30                                 if (currentLocale == null)\r
  31                                         currentLocale = new Locale(System.getenv("LANG"));\r
  32                                 ResourceBundle rb = ResourceBundle.getBundle(I18n.class\r
  33                                                 .getName().replace("I18n", "sudokuki"), currentLocale);\r
  34                                 catalog = rb;\r
  35                                 for (int i = 0; i < listeners.size(); i++) {\r
  36                                         listeners.get(i).onLocaleChanged(currentLocale);\r
  37                                 }\r
  38                         } catch (Exception e1) {\r
  39                                 try {\r
  40                                         if (catalog == null) {\r
  41                                                 if (System.getenv("LANG") != null) {\r
  42                                                         System.out\r
  43                                                                         .println("I18n unable to find translations for (LANG) locale "\r
  44                                                                                         + System.getenv("LANG"));\r
  45                                                 }\r
  46                                                 catalog = ResourceBundle.getBundle(I18n.class.getName()\r
  47                                                                 .replace("I18n", "sudokuki"), Locale\r
  48                                                                 .getDefault());\r
  49                                                 currentLocale = Locale.getDefault();\r
  50                                         }\r
  51                                 } catch (Exception e2) {\r
  52                                         System.out\r
  53                                                         .println("I18n unable to find translations for (JVM) locale "\r
  54                                                                         + Locale.getDefault());\r
  55                                         catalog = null;\r
  56                                 }\r
  57                         }\r
  58                 }\r
  59         }\r
  60 \r
  61         public static void addLocaleListener(LocaleListener listener) {\r
  62                 synchronized (listeners) {\r
  63                         if (listener != null) {\r
  64                                 listeners.add(listener);\r
  65                         }\r
  66                 }\r
  67         }\r
  68 \r
  69         public static void removeLocaleListener(LocaleListener listener) {\r
  70                 synchronized (listeners) {\r
  71                         if (listener != null) {\r
  72                                 listeners.remove(listener);\r
  73                         }\r
  74                 }\r
  75         }\r
  76 \r
  77         public static String _(String msgid) {\r
  78                 synchronized (lock) {\r
  79                         if (catalog != null) {\r
  80                                 return gnu.gettext.GettextResource.gettext(catalog, msgid);\r
  81                         } else {\r
  82                                 return msgid;\r
  83                         }\r
  84                 }\r
  85         }\r
  86 }\r