Now saving the Locale in the new config

src/main/java/com/onarandombox/MultiverseCore/MultiverseCore.java

@@ -298,7 +298,7 @@ public class MultiverseCore extends JavaPlugin implements MVPlugin, Core, Messag
         // Setup & Load our Configuration files.
         loadConfigs();
         try {
-            this.messageProvider.setLocale(new Locale(multiverseConfig.getString("locale", "en")));
+            this.messageProvider.setLocale(this.config.getLocale());
         } catch (IllegalArgumentException e) {
             this.log(Level.SEVERE, e.getMessage());
             this.getServer().getPluginManager().disablePlugin(this);

src/main/java/com/onarandombox/MultiverseCore/MultiverseCoreConfiguration.java

@@ -1,10 +1,12 @@
 package com.onarandombox.MultiverseCore;
 
 import com.onarandombox.MultiverseCore.api.MultiverseCoreConfig;
+import com.onarandombox.MultiverseCore.configuration.LocaleSerializor;
+
 import me.main__.util.SerializationConfig.NoSuchPropertyException;
 import me.main__.util.SerializationConfig.Property;
 import me.main__.util.SerializationConfig.SerializationConfig;
-
+import java.util.Locale;
 import java.util.Map;
 
 /**
@@ -60,6 +62,8 @@ public class MultiverseCoreConfiguration extends SerializationConfig implements
     private volatile String firstspawnworld;
     @Property
     private volatile int teleportcooldown;
+    @Property(serializor = LocaleSerializor.class)
+    private volatile Locale locale;
 
     public MultiverseCoreConfiguration() {
         super();
@@ -273,4 +277,14 @@ public class MultiverseCoreConfiguration extends SerializationConfig implements
     public boolean getUseAsyncChat() {
         return this.useasyncchat;
     }
+
+    @Override
+    public Locale getLocale() {
+        return locale;
+    }
+
+    @Override
+    public void setLocale(Locale locale) {
+        this.locale = locale;
+    }
 }

src/main/java/com/onarandombox/MultiverseCore/api/MultiverseCoreConfig.java

@@ -1,5 +1,7 @@
 package com.onarandombox.MultiverseCore.api;
 
+import java.util.Locale;
+
 import org.bukkit.configuration.serialization.ConfigurationSerializable;
 
 /**
@@ -145,4 +147,16 @@ public interface MultiverseCoreConfig extends ConfigurationSerializable {
      * @return useasyncchat.
      */
     boolean getUseAsyncChat();
+
+    /**
+     * Sets the locale.
+     * @param locale The new value.
+     */
+    void setLocale(Locale locale);
+
+    /**
+     * Gets the locale.
+     * @return locale
+     */
+    Locale getLocale();
 }

src/main/java/com/onarandombox/MultiverseCore/configuration/LocaleSerializor.java

@@ -0,0 +1,24 @@
+package com.onarandombox.MultiverseCore.configuration;
+
+import java.util.Locale;
+
+import me.main__.util.SerializationConfig.IllegalPropertyValueException;
+import me.main__.util.SerializationConfig.Serializor;
+
+public class LocaleSerializor implements Serializor<Locale, String> {
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public Locale deserialize(String arg0, Class<Locale> arg1) throws IllegalPropertyValueException {
+        return new Locale(arg0);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String serialize(Locale arg0) {
+        return arg0.getLanguage();
+    }
+}