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(final String localeString) {\r
  26                 String[] split = localeString.split("_");\r
  27                 String lang = split[0];\r
  28                 String country = split.length > 1 ? split[1] : "";\r
  29                 synchronized (lock) {\r
  30                         try {\r
  31                                 if (!"".equals(localeString)) {\r
  32                                         currentLocale = new Locale(lang, country);\r
  33                                 }\r
  34                                 if (currentLocale == null)\r
  35                                         currentLocale = new Locale(System.getenv("LANG"));\r
  36                                 ResourceBundle rb = ResourceBundle.getBundle(I18n.class\r
  37                                                 .getName().replace("I18n", "sudokuki"), currentLocale);\r
  38                                 catalog = rb;\r
  39                                 for (int i = 0; i < listeners.size(); i++) {\r
  40                                         listeners.get(i).onLocaleChanged(currentLocale);\r
  41                                 }\r
  42                         } catch (Exception e1) {\r
  43                                 try {\r
  44                                         if (catalog == null) {\r
  45                                                 if (System.getenv("LANG") != null) {\r
  46                                                         System.out\r
  47                                                                         .println("I18n unable to find translations for (LANG) locale "\r
  48                                                                                         + System.getenv("LANG"));\r
  49                                                 }\r
  50                                                 catalog = ResourceBundle.getBundle(I18n.class.getName()\r
  51                                                                 .replace("I18n", "sudokuki"), Locale\r
  52                                                                 .getDefault());\r
  53                                                 currentLocale = Locale.getDefault();\r
  54                                         }\r
  55                                 } catch (Exception e2) {\r
  56                                         System.out\r
  57                                                         .println("I18n unable to find translations for (JVM) locale "\r
  58                                                                         + Locale.getDefault());\r
  59                                         catalog = null;\r
  60                                 }\r
  61                         }\r
  62                 }\r
  63         }\r
  64 \r
  65         public static void addLocaleListener(LocaleListener listener) {\r
  66                 synchronized (listeners) {\r
  67                         if (listener != null) {\r
  68                                 listeners.add(listener);\r
  69                         }\r
  70                 }\r
  71         }\r
  72 \r
  73         public static void removeLocaleListener(LocaleListener listener) {\r
  74                 synchronized (listeners) {\r
  75                         if (listener != null) {\r
  76                                 listeners.remove(listener);\r
  77                         }\r
  78                 }\r
  79         }\r
  80 \r
  81         public static String _(String msgid) {\r
  82                 synchronized (lock) {\r
  83                         if (catalog != null) {\r
  84                                 return gnu.gettext.GettextResource.gettext(catalog, msgid);\r
  85                         } else {\r
  86                                 return msgid;\r
  87                         }\r
  88                 }\r
  89         }\r
  90 }\r