Fix Message again for the final time!

src/de/steamwar/bungeecore/Message.java

@@ -28,25 +28,15 @@ import net.md_5.bungee.api.chat.HoverEvent;
 import net.md_5.bungee.api.chat.TextComponent;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 
+import java.io.IOException;
+import java.io.InputStream;
 import java.text.DateFormat;
 import java.text.MessageFormat;
-import java.util.Date;
-import java.util.Locale;
-import java.util.ResourceBundle;
+import java.util.*;
 
 public class Message {
 
-    private static final ResourceBundle.Control CONTROL = new ResourceBundle.Control() {
-        @Override
-        public long getTimeToLive(String arg0, Locale arg1) {
-            return 60000; //Cache only 1 minute
-        }
-
-        @Override
-        public boolean needsReload(String baseName, Locale locale, String format, ClassLoader loader, ResourceBundle bundle, long loadTime) {
-            return true;
-        }
-    };
+    private static Map<Locale, ResourceBundle> bundles = new HashMap<>();
 
     public static TextComponent parseToComponent(String message, boolean prefixed, CommandSender sender, Object... params){
         return new TextComponent(TextComponent.fromLegacyText(parse(message, prefixed, locale(sender), params)));
@@ -68,10 +58,35 @@ public class Message {
         return sender instanceof ProxiedPlayer ? ((ProxiedPlayer)sender).getLocale() : Locale.getDefault();
     }
 
+    private static Optional<ResourceBundle> createSingle(String name) {
+        InputStream inputStream = Message.class.getResourceAsStream(name);
+        if(inputStream == null) return Optional.empty();
+        try {
+            PropertyResourceBundle propertyResourceBundle = new PropertyResourceBundle(inputStream);
+            if (propertyResourceBundle.getKeys().hasMoreElements()) {
+                return Optional.of(propertyResourceBundle);
+            } else {
+                return Optional.empty();
+            }
+        } catch (IOException e) {
+            return Optional.empty();
+        }
+    }
+
+    private static ResourceBundle createResourceBundle(String baseName, Locale locale) {
+        return bundles.computeIfAbsent(locale, l -> {
+            String path = baseName.replace('.', '/');
+            return createSingle("/" + path + "_" + locale.toString() + ".properties")
+                    .or(() -> createSingle("/" + path + "_" + locale.getLanguage() + ".properties"))
+                    .or(() -> createSingle("/" + path + ".properties"))
+                    .orElseThrow(() -> new SecurityException("Could not find resource bundle for " + path + " with locale " + locale + " or " + locale.getLanguage()));
+        });
+    }
+
     private static String parse(String message, boolean prefixed, Locale locale, Object... params){
         if(locale == null)
             locale = Locale.getDefault();
-        ResourceBundle resourceBundle = ResourceBundle.getBundle("de.steamwar.messages.BungeeCore", locale, CONTROL);
+        ResourceBundle resourceBundle = createResourceBundle("de.steamwar.messages.BungeeCore", locale);
         String pattern = "";
         if(prefixed)
             pattern = resourceBundle.getObject("PREFIX") + " ";