Initialize ConfigHolder & Settings manually

HMCL/src/main/java/org/jackhuang/hmcl/Main.java

@@ -32,12 +32,16 @@ import javax.net.ssl.TrustManagerFactory;
 import javax.net.ssl.X509TrustManager;
 import javax.swing.JOptionPane;
 
+import org.jackhuang.hmcl.setting.ConfigHolder;
+
 public final class Main {
 
     public static void main(String[] args) {
         checkJavaFX();
         checkDirectoryPath();
         checkDSTRootCAX3();
+
+        ConfigHolder.init();
         Launcher.main(args);
     }
 

HMCL/src/main/java/org/jackhuang/hmcl/setting/ConfigHolder.java

@@ -36,7 +36,9 @@ public final class ConfigHolder {
 
     public static final String CONFIG_FILENAME = "hmcl.json";
     public static final Path CONFIG_PATH = Paths.get(CONFIG_FILENAME).toAbsolutePath();
-    private static Config configInstance = initSettings();
+
+    private static Config configInstance;
+    private static boolean initialized;
 
     public static Config config() {
         if (configInstance == null) {
@@ -45,10 +47,17 @@ public final class ConfigHolder {
         return configInstance;
     }
 
-    private static Config upgradeSettings(Config deserialized, Map<?, ?> rawJson) {
-        if (!rawJson.containsKey("commonDirType"))
-            deserialized.setCommonDirType(deserialized.getCommonDirectory().equals(Settings.getDefaultCommonDirectory()) ? EnumCommonDirectory.DEFAULT : EnumCommonDirectory.CUSTOM);
-        return deserialized;
+    public static boolean isInitialized() {
+        return initialized;
+    }
+
+    public synchronized static void init() {
+        if (configInstance != null) {
+            throw new IllegalStateException("Configuration is already loaded");
+        }
+        configInstance = initSettings();
+        Settings.init();
+        initialized = true;
     }
 
     private static Config initSettings() {
@@ -59,13 +68,13 @@ public final class ConfigHolder {
                 Map<?, ?> raw = new Gson().fromJson(json, Map.class);
                 Config deserialized = Config.fromJson(json);
                 if (deserialized == null) {
-                    LOG.finer("Settings file is empty, use the default settings.");
+                    LOG.finer("Config file is empty, use the default config.");
                 } else {
-                    config = upgradeSettings(deserialized, raw);
+                    config = upgradeConfig(deserialized, raw);
                 }
                 LOG.finest("Initialized settings.");
             } catch (IOException | JsonParseException e) {
-                LOG.log(Level.WARNING, "Something happened wrongly when load settings.", e);
+                LOG.log(Level.WARNING, "Something went wrong when loading config.", e);
             }
         }
         return config;
@@ -80,4 +89,9 @@ public final class ConfigHolder {
         }
     }
 
+    private static Config upgradeConfig(Config deserialized, Map<?, ?> rawJson) {
+        if (!rawJson.containsKey("commonDirType"))
+            deserialized.setCommonDirType(deserialized.getCommonDirectory().equals(Settings.getDefaultCommonDirectory()) ? EnumCommonDirectory.DEFAULT : EnumCommonDirectory.CUSTOM);
+        return deserialized;
+    }
 }

HMCL/src/main/java/org/jackhuang/hmcl/setting/Settings.java

@@ -34,12 +34,22 @@ import static org.jackhuang.hmcl.setting.ConfigHolder.config;
 
 public class Settings {
 
-    private static Settings instance = new Settings();
+    private static Settings instance;
 
     public static Settings instance() {
+        if (instance == null) {
+            throw new IllegalStateException("Settings hasn't been initialized");
+        }
         return instance;
     }
 
+    /**
+     * Should be called from {@link ConfigHolder#init()}.
+     */
+    static void init() {
+        instance = new Settings();
+    }
+
     private final boolean firstLaunch;
 
     private Settings() {

HMCL/src/main/java/org/jackhuang/hmcl/util/i18n/I18n.java

@@ -23,24 +23,19 @@ import java.util.MissingResourceException;
 import java.util.ResourceBundle;
 import java.util.logging.Level;
 
+import org.jackhuang.hmcl.setting.ConfigHolder;
 import org.jackhuang.hmcl.setting.Settings;
 
 public final class I18n {
 
     private I18n() {}
 
-    private static ResourceBundle RESOURCE_BUNDLE = null;
-
-    static {
-        try {
-            RESOURCE_BUNDLE = Settings.instance().getLocale().getResourceBundle();
-        } catch (Throwable e) {
-            LOG.log(Level.SEVERE, "Settings cannot be initialized", e);
-        }
-    }
-
     public static ResourceBundle getResourceBundle() {
-        return RESOURCE_BUNDLE == null ? Locales.DEFAULT.getResourceBundle() : RESOURCE_BUNDLE;
+        if (ConfigHolder.isInitialized()) {
+            return Settings.instance().getLocale().getResourceBundle();
+        } else {
+            return Locales.DEFAULT.getResourceBundle();
+        }
     }
 
     public static String i18n(String key, Object... formatArgs) {