Update LocaleUtils to retrieve ResourceBundles for an individual plugin.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@3953 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/util/LocaleUtils.java

@@ -428,7 +428,7 @@ public class LocaleUtils {
         final XMPPServer xmppServer = XMPPServer.getInstance();
         PluginManager pluginManager = xmppServer.getPluginManager();
         Plugin plugin = pluginManager.getPlugin(pluginName);
-        if (plugin == null){
+        if (plugin == null) {
             throw new NullPointerException("Plugin could not be located.");
         }
 
@@ -437,6 +437,30 @@ public class LocaleUtils {
         return getLocalizedString(key, locale, arguments, bundle);
     }
 
+    /**
+     * Retrieve the <code>ResourceBundle</code> that is used with this plugin.
+     *
+     * @param pluginName the name of the plugin.
+     * @return the ResourceBundle used with this plugin.
+     * @throws Exception thrown if an exception occurs.
+     */
+    public static ResourceBundle getPluginResourceBundle(String pluginName) throws Exception {
+        final Locale locale = JiveGlobals.getLocale();
+
+        String i18nFile = pluginName + "_i18n";
+
+        // Retrieve classloader from pluginName.
+        final XMPPServer xmppServer = XMPPServer.getInstance();
+        PluginManager pluginManager = xmppServer.getPluginManager();
+        Plugin plugin = pluginManager.getPlugin(pluginName);
+        if (plugin == null) {
+            throw new NullPointerException("Plugin could not be located.");
+        }
+
+        ClassLoader pluginClassLoader = pluginManager.getPluginClassloader(plugin).getClassLoader();
+        return ResourceBundle.getBundle(i18nFile, locale, pluginClassLoader);
+    }
+
     /**
      * Returns an internationalized string loaded from a resource bundle using
      * the passed in Locale substituting the passed in arguments. Substitution