why does the ui crash

.gitignore

@@ -22,5 +22,6 @@ hs_err_pid*
 
 HMCLAPI/build/
 HMCL/build/
+HMCL/src/main/org/jackhuang/hellominecraft/launcher/servers/
 HMCSM/build/
 MetroLookAndFeel/build/

.gitignore~

@@ -0,0 +1,26 @@
+*.class
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+.gradle
+.nb-gradle
+
+*.bat
+*.log
+.mine*
+*.json
+*.hmd
+
+HMCLAPI/build/
+HMCL/build/
+HMCSM/build/
+MetroLookAndFeel/build/

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/Main.java

@@ -33,6 +33,7 @@ import javax.swing.ImageIcon;
 import javax.swing.UIManager;
 import javax.swing.UnsupportedLookAndFeelException;
 import org.jackhuang.hellominecraft.HMCLog;
+import org.jackhuang.hellominecraft.launcher.api.PluginManager;
 import org.jackhuang.hellominecraft.launcher.launch.GameLauncher;
 import org.jackhuang.hellominecraft.launcher.utils.CrashReporter;
 import org.jackhuang.hellominecraft.logging.Configuration;
@@ -75,7 +76,7 @@ public final class Main implements Runnable {
 
         try {
             sslContext = SSLContext.getInstance("TLS");
-            X509TrustManager[] xtmArray = new X509TrustManager[] {XTM};
+            X509TrustManager[] xtmArray = new X509TrustManager[]{XTM};
             sslContext.init(null, xtmArray, new java.security.SecureRandom());
         } catch (GeneralSecurityException gse) {
         }
@@ -86,7 +87,7 @@ public final class Main implements Runnable {
     }
 
     public static final String LAUNCHER_NAME = "Hello Minecraft! Launcher";
-    public static final byte VERSION_FIRST = 2, VERSION_SECOND = 3, VERSION_THIRD = 1, VERSION_FORTH = 6;
+    public static final byte VERSION_FIRST = 2, VERSION_SECOND = 3, VERSION_THIRD = 5, VERSION_FORTH = 7;
     public static final int MINIMUM_LAUNCHER_VERSION = 16;
     //public static Proxy PROXY;
 
@@ -109,10 +110,13 @@ public final class Main implements Runnable {
     }
 
     public static final Main INSTANCE = new Main();
+    public static HelloMinecraftLookAndFeel LOOK_AND_FEEL;
 
     @SuppressWarnings({"CallToPrintStackTrace", "UseSpecificCatch"})
     public static void main(String[] args) {
         {
+            //PluginManager.getServerPlugin();
+
             if (IUpgrader.NOW_UPGRADER.parseArguments(new VersionNumber(VERSION_FIRST, VERSION_SECOND, VERSION_THIRD), args))
                 return;
 
@@ -136,14 +140,15 @@ public final class Main implements Runnable {
             LogWindow.INSTANCE.setTerminateGame(GameLauncher.PROCESS_MANAGER::stopAllProcesses);
 
             try {
-                UIManager.setLookAndFeel(new HelloMinecraftLookAndFeel());
+                LOOK_AND_FEEL = new HelloMinecraftLookAndFeel(Settings.getInstance().getTheme().settings);
+                UIManager.setLookAndFeel(LOOK_AND_FEEL);
             } catch (ParseException | UnsupportedLookAndFeelException ex) {
                 HMCLog.warn("Failed to set look and feel...", ex);
             }
 
             Settings.UPDATE_CHECKER.outdated.register(IUpgrader.NOW_UPGRADER);
             Settings.UPDATE_CHECKER.process(false).subscribeOn(Schedulers.newThread()).subscribe(t
-                -> Main.invokeUpdate());
+                    -> Main.invokeUpdate());
 
             if (StrUtils.isNotBlank(Settings.getInstance().getProxyHost()) && StrUtils.isNotBlank(Settings.getInstance().getProxyPort()) && MathUtils.canParseInt(Settings.getInstance().getProxyPort())) {
                 HMCLog.log("Initializing customized proxy");
@@ -159,7 +164,7 @@ public final class Main implements Runnable {
             }
 
             try {
-                MainFrame.showMainFrame(Settings.isFirstLoading());
+                PluginManager.NOW_PLUGIN.showUI();
             } catch (Throwable t) {
                 new CrashReporter(false).uncaughtException(Thread.currentThread(), t);
                 System.exit(1);

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/api/IPlugin.java

@@ -0,0 +1,62 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hellominecraft.launcher.api;
+
+import org.jackhuang.hellominecraft.launcher.launch.IMinecraftProvider;
+import org.jackhuang.hellominecraft.launcher.settings.Profile;
+import org.jackhuang.hellominecraft.launcher.utils.auth.AuthenticationException;
+import org.jackhuang.hellominecraft.launcher.utils.auth.IAuthenticator;
+import org.jackhuang.hellominecraft.launcher.utils.auth.UserProfileProvider;
+import org.jackhuang.hellominecraft.utils.functions.Consumer;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public interface IPlugin {
+
+    /**
+     * You can modify the application actions by this method.
+     *
+     * @param profile info to the Minecraft Loader
+     * @return For example, you can implement IMinecraftProvider to support
+     *         MultiMC
+     */
+    IMinecraftProvider provideMinecraftProvider(Profile profile);
+
+    /**
+     * Register authenticators by calling IAuthenticator.LOGINS.add.
+     *
+     * @param apply call apply.accept(your authenticator)
+     */
+    void onRegisterAuthenticators(Consumer<IAuthenticator> apply);
+
+    /**
+     * Open your customized UI.
+     */
+    void showUI();
+
+    /**
+     * Add your server ip or modify the access token.
+     *
+     * @param result What you want.
+     */
+    void onProcessingLoginResult(UserProfileProvider result) throws AuthenticationException;
+
+    void onInitializingProfile(Profile p);
+}

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/api/PluginManager.java

@@ -0,0 +1,43 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hellominecraft.launcher.api;
+
+import org.jackhuang.hellominecraft.HMCLog;
+import org.jackhuang.hellominecraft.launcher.launch.DefaultPlugin;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public class PluginManager {
+
+    public static IPlugin NOW_PLUGIN = new DefaultPlugin();
+
+    public static void getServerPlugin() {
+        try {
+            ClassLoader cl = Thread.currentThread().getContextClassLoader();
+            Class c = cl.loadClass("org.jackhuang.hellominecraft.launcher.servers.ServerPlugin");
+            IPlugin p = (IPlugin) c.newInstance();
+            NOW_PLUGIN = p;
+        } catch (ClassNotFoundException ignore) {
+        } catch (Exception e) {
+            HMCLog.err("Failed  to new instance");
+        }
+    }
+
+}

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/launch/DefaultPlugin.java

@@ -0,0 +1,77 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hellominecraft.launcher.launch;
+
+import org.jackhuang.hellominecraft.launcher.api.IPlugin;
+import org.jackhuang.hellominecraft.launcher.settings.Profile;
+import org.jackhuang.hellominecraft.launcher.settings.Settings;
+import org.jackhuang.hellominecraft.launcher.utils.auth.IAuthenticator;
+import org.jackhuang.hellominecraft.launcher.utils.auth.OfflineAuthenticator;
+import org.jackhuang.hellominecraft.launcher.utils.auth.SkinmeAuthenticator;
+import org.jackhuang.hellominecraft.launcher.utils.auth.UserProfileProvider;
+import org.jackhuang.hellominecraft.launcher.utils.auth.YggdrasilAuthenticator;
+import org.jackhuang.hellominecraft.launcher.version.MinecraftVersionManager;
+import org.jackhuang.hellominecraft.launcher.views.MainFrame;
+import org.jackhuang.hellominecraft.utils.functions.Consumer;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public class DefaultPlugin implements IPlugin {
+
+    protected static YggdrasilAuthenticator YGGDRASIL_LOGIN;
+    protected static OfflineAuthenticator OFFLINE_LOGIN;
+    protected static SkinmeAuthenticator SKINME_LOGIN;
+
+    @Override
+    public IMinecraftProvider provideMinecraftProvider(Profile profile) {
+        return new MinecraftVersionManager(profile);
+    }
+
+    @Override
+    public void onRegisterAuthenticators(Consumer<IAuthenticator> apply) {
+        String clientToken = Settings.getInstance().getClientToken();
+        OFFLINE_LOGIN = new OfflineAuthenticator(clientToken);
+        YGGDRASIL_LOGIN = new YggdrasilAuthenticator(clientToken);
+        YGGDRASIL_LOGIN.onLoadSettings(Settings.getInstance().getYggdrasilConfig());
+        SKINME_LOGIN = new SkinmeAuthenticator(clientToken);
+
+        Runtime.getRuntime().addShutdownHook(new Thread(()
+            -> Settings.getInstance().setYggdrasilConfig(YGGDRASIL_LOGIN.onSaveSettings())
+        ));
+        apply.accept(OFFLINE_LOGIN);
+        apply.accept(YGGDRASIL_LOGIN);
+        apply.accept(SKINME_LOGIN);
+    }
+
+    @Override
+    public void showUI() {
+        MainFrame.showMainFrame(Settings.isFirstLoading());
+    }
+
+    @Override
+    public void onProcessingLoginResult(UserProfileProvider result) {
+    }
+
+    @Override
+    public void onInitializingProfile(Profile p) {
+
+    }
+
+}

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/launch/GameLauncher.java

@@ -1,7 +1,7 @@
 /*
  * Hello Minecraft! Launcher.
  * Copyright (C) 2013  huangyuhui
- * 
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -26,6 +26,7 @@ import java.io.UnsupportedEncodingException;
 import java.util.List;
 import org.jackhuang.hellominecraft.C;
 import org.jackhuang.hellominecraft.HMCLog;
+import org.jackhuang.hellominecraft.launcher.api.PluginManager;
 import org.jackhuang.hellominecraft.launcher.utils.auth.IAuthenticator;
 import org.jackhuang.hellominecraft.launcher.utils.auth.LoginInfo;
 import org.jackhuang.hellominecraft.launcher.utils.auth.UserProfileProvider;
@@ -73,7 +74,9 @@ public class GameLauncher {
                 result = login.login(info);
             else
                 result = login.loginBySettings();
-            if (result == null) throw new AuthenticationException("Result can not be null.");
+            if (result == null)
+                throw new IllegalStateException("Result can not be null.");
+            PluginManager.NOW_PLUGIN.onProcessingLoginResult(result);
         } catch (Throwable e) {
             String error = C.i18n("login.failed") + e.getMessage();
             HMCLog.warn("Login failed by method: " + login.getName(), e);
@@ -98,7 +101,7 @@ public class GameLauncher {
             failEvent.execute(C.i18n("launch.failed"));
             return null;
         }
-        
+
         HMCLog.log("Unpacking natives...");
         if (!decompressNativesEvent.execute(provider.getDecompressLibraries())) {
             failEvent.execute(C.i18n("launch.failed"));
@@ -115,7 +118,8 @@ public class GameLauncher {
      */
     public void launch(List str) {
         try {
-            provider.onLaunch();
+            if (!provider.onLaunch())
+                return;
             if (StrUtils.isNotBlank(getProfile().getPrecalledCommand())) {
                 Process p = Runtime.getRuntime().exec(getProfile().getPrecalledCommand());
                 try {
@@ -128,9 +132,9 @@ public class GameLauncher {
             HMCLog.log("Starting process");
             ProcessBuilder builder = new ProcessBuilder(str);
             if (get == null || get.getSelectedMinecraftVersion() == null || StrUtils.isBlank(get.getCanonicalGameDir()))
-                throw new NullPointerException("Fucking bug!");
+                throw new Error("Fucking bug!");
             builder.directory(provider.getRunDirectory(get.getSelectedMinecraftVersion().id))
-            .environment().put("APPDATA", get.getCanonicalGameDir());
+                .environment().put("APPDATA", get.getCanonicalGameDir());
             JavaProcess jp = new JavaProcess(str, builder.start(), PROCESS_MANAGER);
             launchEvent.execute(jp);
         } catch (Exception e) {

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/launch/IMinecraftProvider.java

@@ -1,7 +1,7 @@
 /*
  * Hello Minecraft! Launcher.
  * Copyright (C) 2013  huangyuhui
- * 
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -37,7 +37,7 @@ public abstract class IMinecraftProvider {
     public IMinecraftProvider(Profile profile) {
         this.profile = profile;
     }
-    
+
     /**
      * To download mod packs.
      */
@@ -51,15 +51,15 @@ public abstract class IMinecraftProvider {
      * @return the run directory
      */
     public abstract File getRunDirectory(String id);
-    
+
     public File getRunDirectory(String id, String subFolder) {
         return new File(getRunDirectory(getSelectedMinecraftVersion().id), subFolder);
     }
 
     public abstract void open(String version, String folder);
-    
+
     public abstract IMinecraftModService getModService();
-    
+
     public abstract IMinecraftDownloadService getDownloadService();
 
     public abstract IMinecraftAssetService getAssetService();
@@ -89,7 +89,7 @@ public abstract class IMinecraftProvider {
      * Provide the Minecraft Loader to generate the launching command.
      *
      * @see org.jackhuang.hellominecraft.launcher.launch.IMinecraftLoader
-     * @param p    player informations, including username & auth_token
+     * @param p player informations, including username & auth_token
      *
      * @return what you want
      *
@@ -149,7 +149,7 @@ public abstract class IMinecraftProvider {
      * @return the Minecraft json instance
      */
     public abstract MinecraftVersion getVersionById(String id);
-    
+
     public MinecraftVersion getSelectedVersion() {
         return profile.getSelectedMinecraftVersion();
     }
@@ -181,7 +181,7 @@ public abstract class IMinecraftProvider {
      * Refind the versions in this profile.
      */
     public abstract void refreshVersions();
-    
+
     /**
      * Clean redundant files.
      */
@@ -189,7 +189,9 @@ public abstract class IMinecraftProvider {
 
     /**
      * When GameLauncher launches the game, this function will be called.
+     *
+     * @return if false, will break the launch process.
      */
-    public abstract void onLaunch();
+    public abstract boolean onLaunch();
 
 }

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/launch/LaunchFinisher.java

@@ -1,58 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2013  huangyuhui
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hellominecraft.launcher.launch;
-
-import java.util.List;
-import org.jackhuang.hellominecraft.launcher.settings.LauncherVisibility;
-import org.jackhuang.hellominecraft.launcher.views.MainFrame;
-import org.jackhuang.hellominecraft.utils.Event;
-import org.jackhuang.hellominecraft.utils.system.JavaProcessMonitor;
-import org.jackhuang.hellominecraft.views.LogWindow;
-
-/**
- *
- * @author huangyuhui
- */
-public class LaunchFinisher implements Event<List<String>> {
-
-    @Override
-    public boolean call(Object sender, List<String> str) {
-        final GameLauncher obj = (GameLauncher) sender;
-        obj.launchEvent.register((sender1, p) -> {
-            if (obj.getProfile().getLauncherVisibility() == LauncherVisibility.CLOSE && !LogWindow.INSTANCE.isVisible())
-                System.exit(0);
-            else if (obj.getProfile().getLauncherVisibility() == LauncherVisibility.KEEP)
-                MainFrame.INSTANCE.closeMessage();
-            else {
-                if (LogWindow.INSTANCE.isVisible())
-                    LogWindow.INSTANCE.setExit(() -> true);
-                MainFrame.INSTANCE.dispose();
-            }
-            JavaProcessMonitor jpm = new JavaProcessMonitor(p);
-            jpm.stoppedEvent.register((sender3, t) -> {
-                if (obj.getProfile().getLauncherVisibility() != LauncherVisibility.KEEP && !LogWindow.INSTANCE.isVisible())
-                    System.exit(0);
-                return true;
-            });
-            jpm.start();
-            return true;
-        });
-        obj.launch(str);
-        return true;
-    }
-}

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/launch/LaunchScriptFinisher.java

@@ -1,51 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2013  huangyuhui
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hellominecraft.launcher.launch;
-
-import java.io.IOException;
-import java.util.List;
-import javax.swing.JOptionPane;
-import org.jackhuang.hellominecraft.C;
-import org.jackhuang.hellominecraft.HMCLog;
-import org.jackhuang.hellominecraft.launcher.views.MainFrame;
-import org.jackhuang.hellominecraft.utils.Event;
-import org.jackhuang.hellominecraft.utils.MessageBox;
-
-/**
- *
- * @author huangyuhui
- */
-public class LaunchScriptFinisher implements Event<List<String>> {
-
-    @Override
-    public boolean call(Object sender, List str) {
-        boolean flag = false;
-        try {
-            String s = JOptionPane.showInputDialog(C.i18n("mainwindow.enter_script_name"));
-            if (s != null)
-                MessageBox.Show(C.i18n("mainwindow.make_launch_succeed") + " " + ((GameLauncher) sender).makeLauncher(s, str).getAbsolutePath());
-            flag = true;
-        } catch (IOException ex) {
-            MessageBox.Show(C.i18n("mainwindow.make_launch_script_failed"));
-            HMCLog.err("Failed to create script file.", ex);
-        }
-        MainFrame.INSTANCE.closeMessage();
-        return flag;
-    }
-
-}

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/servers/ServerPlugin.java

@@ -0,0 +1,91 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hellominecraft.launcher.servers;
+
+import org.jackhuang.hellominecraft.launcher.api.IPlugin;
+import org.jackhuang.hellominecraft.launcher.launch.IMinecraftProvider;
+import org.jackhuang.hellominecraft.launcher.servers.mfcraft.CheckModsMinecraftProvider;
+import org.jackhuang.hellominecraft.launcher.servers.mfcraft.MFCraftAuthenticator;
+import org.jackhuang.hellominecraft.launcher.servers.mfcraft.Servers;
+import org.jackhuang.hellominecraft.launcher.settings.Profile;
+import org.jackhuang.hellominecraft.launcher.settings.Settings;
+import org.jackhuang.hellominecraft.launcher.utils.auth.AuthenticationException;
+import org.jackhuang.hellominecraft.launcher.utils.auth.IAuthenticator;
+import org.jackhuang.hellominecraft.launcher.utils.auth.UserProfileProvider;
+import org.jackhuang.hellominecraft.launcher.utils.auth.YggdrasilAuthenticator;
+import org.jackhuang.hellominecraft.launcher.version.ServerInfo;
+import org.jackhuang.hellominecraft.launcher.views.MainFrame;
+import org.jackhuang.hellominecraft.launcher.views.ServerListView;
+import org.jackhuang.hellominecraft.utils.functions.Consumer;
+import org.jackhuang.hellominecraft.views.Selector;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public class ServerPlugin implements IPlugin {
+
+    protected static YggdrasilAuthenticator YGGDRASIL_LOGIN;
+    protected static MFCraftAuthenticator MFCRAFT_LOGIN;
+
+    @Override
+    public IMinecraftProvider provideMinecraftProvider(Profile profile) {
+        return new CheckModsMinecraftProvider(profile);
+    }
+
+    @Override
+    public void onRegisterAuthenticators(Consumer<IAuthenticator> apply) {
+        String clientToken = Settings.getInstance().getClientToken();
+        MFCRAFT_LOGIN = new MFCraftAuthenticator(clientToken);
+        YGGDRASIL_LOGIN = new YggdrasilAuthenticator(clientToken);
+        YGGDRASIL_LOGIN.onLoadSettings(Settings.getInstance().getYggdrasilConfig());
+        apply.accept(MFCRAFT_LOGIN);
+        apply.accept(YGGDRASIL_LOGIN);
+    }
+
+    @Override
+    public void showUI() {
+        MainFrame.showMainFrame(Settings.isFirstLoading());
+    }
+
+    public static ServerInfo lastServerInfo;
+
+    @Override
+    public void onProcessingLoginResult(UserProfileProvider result) throws AuthenticationException {
+        Servers s = Servers.getInstance();
+        String[] sel = new String[s.areas.size()];
+        for (int i = 0; i < sel.length; i++)
+            sel[i] = s.areas.get(i).name;
+        Selector selector = new Selector(null, sel, "选择你要登录的服务器大区");
+        int ind = selector.getChoice();
+        for (ServerInfo si : s.areas.get(ind).servers)
+            si.downloadIcon();
+        ServerListView slv = new ServerListView(s.areas.get(ind).servers.toArray(new ServerInfo[0]));
+        int c = slv.getChoice();
+        if (c == -1)
+            throw new AuthenticationException("未选择服务器");
+        lastServerInfo = s.areas.get(ind).servers.get(ind);
+        result.setServer(lastServerInfo);
+    }
+
+    @Override
+    public void onInitializingProfile(Profile p) {
+        p.initialize(1);
+    }
+
+}

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/servers/mfcraft/CheckModsMinecraftProvider.java

@@ -0,0 +1,51 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hellominecraft.launcher.servers.mfcraft;
+
+import java.io.IOException;
+import org.jackhuang.hellominecraft.HMCLog;
+import org.jackhuang.hellominecraft.launcher.servers.ServerPlugin;
+import org.jackhuang.hellominecraft.launcher.settings.Profile;
+import org.jackhuang.hellominecraft.launcher.version.MinecraftModService;
+import org.jackhuang.hellominecraft.launcher.version.MinecraftVersionManager;
+import org.jackhuang.hellominecraft.utils.ArrayUtils;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public class CheckModsMinecraftProvider extends MinecraftVersionManager {
+
+    public CheckModsMinecraftProvider(Profile p) {
+        super(p);
+    }
+
+    @Override
+    public boolean onLaunch() {
+        try {
+            super.onLaunch();
+            String[] md5s = ((MinecraftModService) getModService()).checkMd5s();
+            String[] md5 = ServerPlugin.lastServerInfo.md5;
+            return ArrayUtils.equals(md5s, md5);
+        } catch (IOException ex) {
+            HMCLog.err("Failed to check md5");
+            return false;
+        }
+
+    }
+}

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/servers/mfcraft/MFCraftAuthenticator.java

@@ -0,0 +1,76 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hellominecraft.launcher.servers.mfcraft;
+
+import com.google.gson.JsonSyntaxException;
+import java.io.IOException;
+import org.jackhuang.hellominecraft.C;
+import org.jackhuang.hellominecraft.launcher.utils.auth.AuthenticationException;
+import org.jackhuang.hellominecraft.launcher.utils.auth.IAuthenticator;
+import org.jackhuang.hellominecraft.launcher.utils.auth.LoginInfo;
+import static org.jackhuang.hellominecraft.launcher.utils.auth.OfflineAuthenticator.getUUIDFromUserName;
+import org.jackhuang.hellominecraft.launcher.utils.auth.UserProfileProvider;
+import org.jackhuang.hellominecraft.launcher.version.ServerInfo;
+import org.jackhuang.hellominecraft.utils.NetUtils;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public class MFCraftAuthenticator extends IAuthenticator {
+
+    public MFCraftAuthenticator(String clientToken) {
+        super(clientToken);
+    }
+
+    @Override
+    public UserProfileProvider login(LoginInfo info) throws AuthenticationException {
+        try {
+            UserProfileProvider result = new UserProfileProvider();
+            String url = String.format("http://zh.mfcraft.cn/index.php?c=user_public&a=clientlogin&user=%s&pass=%s", info.username, info.password);
+            String response = NetUtils.get(url);
+            if (response.contains("error"))
+                throw new AuthenticationException(C.i18n("login.wrong_password"));
+            result.setUserName(info.username);
+            String uuid = getUUIDFromUserName(info.username);
+            result.setSession(uuid);
+            result.setUserId(uuid);
+            result.setAccessToken(uuid);
+            result.setUserType("Legacy");
+            return result;
+        } catch (IOException | JsonSyntaxException ex) {
+            throw new AuthenticationException(C.i18n("login.failed.connect_authentication_server"), ex);
+        }
+
+    }
+
+    @Override
+    public String getName() {
+        return "MFCraft";
+    }
+
+    @Override
+    public UserProfileProvider loginBySettings() throws AuthenticationException {
+        return null;
+    }
+
+    @Override
+    public void logout() {
+    }
+
+}

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/servers/mfcraft/ServerArea.java

@@ -0,0 +1,31 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hellominecraft.launcher.servers.mfcraft;
+
+import java.util.ArrayList;
+import org.jackhuang.hellominecraft.launcher.version.ServerInfo;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public class ServerArea {
+
+    public String name;
+    public ArrayList<ServerInfo> servers;
+}

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/servers/mfcraft/Servers.java

@@ -0,0 +1,50 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hellominecraft.launcher.servers.mfcraft;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.jackhuang.hellominecraft.C;
+import org.jackhuang.hellominecraft.HMCLog;
+import org.jackhuang.hellominecraft.utils.NetUtils;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public class Servers {
+
+    public static Servers instance;
+
+    public static Servers getInstance() {
+        if (instance == null) {
+            String servers = null;
+            try {
+                servers = NetUtils.get("http://zh.mfcraft.cn/View/servers.php");
+                instance = C.gson.fromJson(servers, Servers.class);
+            } catch (IOException ex) {
+                HMCLog.err("Failed to get servers");
+            }
+        }
+        return instance;
+    }
+
+    public ArrayList<ServerArea> areas;
+}

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/settings/Config.java

@@ -1,7 +1,7 @@
 /*
  * Hello Minecraft! Launcher.
  * Copyright (C) 2013  huangyuhui
- * 
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -24,6 +24,9 @@ import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
 import java.util.UUID;
+import org.jackhuang.hellominecraft.launcher.utils.auth.IAuthenticator;
+import org.jackhuang.hellominecraft.lookandfeel.Theme;
+import org.jackhuang.hellominecraft.utils.EventHandler;
 import org.jackhuang.hellominecraft.utils.system.JdkVersion;
 
 /**
@@ -55,12 +58,15 @@ public final class Config {
         return java == null ? java = new ArrayList<>() : java;
     }
 
-    public int getTheme() {
-        return theme;
+    public transient final EventHandler<Theme> themeChangedEvent = new EventHandler<>(this);
+
+    public Theme getTheme() {
+        return Theme.values()[theme];
     }
 
     public void setTheme(int theme) {
         this.theme = theme;
+        themeChangedEvent.execute(getTheme());
         Settings.save();
     }
 
@@ -90,6 +96,7 @@ public final class Config {
         this.bgpath = bgpath;
         Settings.save();
     }
+
     public boolean isEnableAnimation() {
         return enableAnimation;
     }
@@ -112,7 +119,13 @@ public final class Config {
         return clientToken;
     }
 
+    public IAuthenticator getAuthenticator() {
+        return IAuthenticator.LOGINS.get(getLoginType());
+    }
+
     public int getLoginType() {
+        if (logintype < 0 || logintype >= IAuthenticator.LOGINS.size())
+            logintype = 0;
         return logintype;
     }
 
@@ -162,8 +175,9 @@ public final class Config {
         clientToken = UUID.randomUUID().toString();
         username = "";
         logintype = downloadtype = 0;
-        enableShadow = false; enableAnimation = true;
-        theme = 0;
+        enableShadow = false;
+        enableAnimation = true;
+        theme = 4;
     }
 
     public DownloadType getDownloadSource() {

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/settings/Profile.java

@@ -1,7 +1,7 @@
 /*
  * Hello Minecraft! Launcher.
  * Copyright (C) 2013  huangyuhui
- * 
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -18,6 +18,7 @@
 package org.jackhuang.hellominecraft.launcher.settings;
 
 import java.io.File;
+import org.jackhuang.hellominecraft.launcher.api.PluginManager;
 import org.jackhuang.hellominecraft.launcher.launch.IMinecraftProvider;
 import org.jackhuang.hellominecraft.utils.system.IOUtils;
 import org.jackhuang.hellominecraft.launcher.utils.MCUtils;
@@ -27,7 +28,7 @@ import org.jackhuang.hellominecraft.launcher.version.GameDirType;
 import org.jackhuang.hellominecraft.utils.StrUtils;
 import org.jackhuang.hellominecraft.utils.Utils;
 import org.jackhuang.hellominecraft.launcher.version.MinecraftVersion;
-import org.jackhuang.hellominecraft.launcher.version.MinecraftVersionManager;
+import org.jackhuang.hellominecraft.utils.EventHandler;
 import org.jackhuang.hellominecraft.utils.system.Java;
 import org.jackhuang.hellominecraft.utils.system.OS;
 
@@ -65,9 +66,14 @@ public final class Profile {
         gameDir = MCUtils.getInitGameDir().getPath();
         debug = fullscreen = canceledWrapper = false;
         launcherVisibility = gameDirType = 0;
+        PluginManager.NOW_PLUGIN.onInitializingProfile(this);
         javaDir = java = minecraftArgs = serverIp = precalledCommand = "";
     }
 
+    public void initialize(int gameDirType) {
+        this.gameDirType = gameDirType;
+    }
+
     public Profile(Profile v) {
         this();
         if (v == null)
@@ -94,12 +100,12 @@ public final class Profile {
 
     public IMinecraftProvider getMinecraftProvider() {
         if (minecraftProvider == null) {
-            minecraftProvider = new MinecraftVersionManager(this);
+            minecraftProvider = PluginManager.NOW_PLUGIN.provideMinecraftProvider(this);
             minecraftProvider.initializeMiencraft();
         }
         return minecraftProvider;
     }
-    
+
     public String getSelectedMinecraftVersionName() {
         return selectedMinecraftVersion;
     }
@@ -120,9 +126,12 @@ public final class Profile {
         return v;
     }
 
+    public transient final EventHandler<String> selectedVersionChangedEvent = new EventHandler<>(this);
+
     public void setSelectedMinecraftVersion(String selectedMinecraftVersion) {
         this.selectedMinecraftVersion = selectedMinecraftVersion;
         Settings.save();
+        selectedVersionChangedEvent.execute(selectedMinecraftVersion);
     }
 
     public String getGameDir() {
@@ -361,12 +370,13 @@ public final class Profile {
     public void checkFormat() {
         gameDir = gameDir.replace('/', OS.os().fileSeparator).replace('\\', OS.os().fileSeparator);
     }
-    
+
     transient final InstallerService is = new InstallerService(this);
+
     public InstallerService getInstallerService() {
         return is;
     }
-    
+
     public DownloadType getDownloadType() {
         return Settings.getInstance().getDownloadSource();
     }

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/utils/auth/IAuthenticator.java

@@ -1,7 +1,7 @@
 /*
  * Hello Minecraft! Launcher.
  * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
- * 
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -19,7 +19,7 @@ package org.jackhuang.hellominecraft.launcher.utils.auth;
 
 import java.util.ArrayList;
 import java.util.List;
-import org.jackhuang.hellominecraft.launcher.settings.Settings;
+import org.jackhuang.hellominecraft.launcher.api.PluginManager;
 
 /**
  * Login interface
@@ -28,23 +28,10 @@ import org.jackhuang.hellominecraft.launcher.settings.Settings;
  */
 public abstract class IAuthenticator {
 
-    public static final YggdrasilAuthenticator YGGDRASIL_LOGIN;
-    public static final OfflineAuthenticator OFFLINE_LOGIN;
-    public static final SkinmeAuthenticator SKINME_LOGIN;
-
-    public static final List<IAuthenticator> LOGINS;
+    public static final List<IAuthenticator> LOGINS = new ArrayList<>();
 
     static {
-        String clientToken = Settings.getInstance().getClientToken();
-        LOGINS = new ArrayList<>();
-        LOGINS.add(OFFLINE_LOGIN = new OfflineAuthenticator(clientToken));
-        LOGINS.add(YGGDRASIL_LOGIN = new YggdrasilAuthenticator(clientToken));
-        LOGINS.add(SKINME_LOGIN = new SkinmeAuthenticator(clientToken));
-        YGGDRASIL_LOGIN.onLoadSettings(Settings.getInstance().getYggdrasilConfig());
-
-        Runtime.getRuntime().addShutdownHook(new Thread(()
-        -> Settings.getInstance().setYggdrasilConfig(YGGDRASIL_LOGIN.onSaveSettings())
-        ));
+        PluginManager.NOW_PLUGIN.onRegisterAuthenticators(LOGINS::add);
     }
 
     protected String clientToken;
@@ -59,7 +46,8 @@ public abstract class IAuthenticator {
      * @param info username & password
      *
      * @return login result
-     * @throws org.jackhuang.hellominecraft.launcher.utils.auth.AuthenticationException
+     * @throws
+     * org.jackhuang.hellominecraft.launcher.utils.auth.AuthenticationException
      */
     public abstract UserProfileProvider login(LoginInfo info) throws AuthenticationException;
 
@@ -72,10 +60,10 @@ public abstract class IAuthenticator {
     /**
      * Has password?
      *
-     * @return Need to hide password box?
+     * @return has password?
      */
     public boolean hasPassword() {
-        return false;
+        return true;
     }
 
     public boolean isLoggedIn() {

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/utils/auth/OfflineAuthenticator.java

@@ -1,7 +1,7 @@
 /*
  * Hello Minecraft! Launcher.
  * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
- * 
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -33,7 +33,7 @@ public final class OfflineAuthenticator extends IAuthenticator {
 
     @Override
     public UserProfileProvider login(LoginInfo info) throws AuthenticationException {
-        if(StrUtils.isBlank(info.username))
+        if (StrUtils.isBlank(info.username))
             throw new AuthenticationException(C.i18n("login.no_Player007"));
         UserProfileProvider result = new UserProfileProvider();
         result.setUserName(info.username);
@@ -56,7 +56,7 @@ public final class OfflineAuthenticator extends IAuthenticator {
 
     @Override
     public boolean hasPassword() {
-        return true;
+        return false;
     }
 
     @Override

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/utils/auth/UserProfileProvider.java

@@ -1,7 +1,7 @@
 /*
  * Hello Minecraft! Launcher.
  * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
- * 
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -59,14 +59,6 @@ public final class UserProfileProvider {
         this.accessToken = accessToken;
     }
 
-    public String getErrorReason() {
-        return error;
-    }
-
-    public void setErrorReason(String error) {
-        this.error = error;
-    }
-
     public String getUserProperties() {
         return userProperties;
     }
@@ -111,7 +103,6 @@ public final class UserProfileProvider {
     private String userId = "";
     private String session = "";
     private String accessToken = "";
-    private String error = "";
     private String userProperties = "{}";
     private String userPropertyMap = "{}";
     private String otherInfo = "";