Merge pull request #455 from yushijinhun/javafx

重构
2018-09-22 18:12:18 +08:00
parent 1b5d4c1b42 4a0831a155
commit cbecca5f55
170 changed files with 500 additions and 445 deletions
--- a/HMCL/src/main/java/org/jackhuang/hmcl/Launcher.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/Launcher.java
@@ -26,6 +26,8 @@ import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.upgrade.UpdateChecker;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.File;
 import java.io.IOException;
@@ -78,9 +80,6 @@ public final class Launcher extends Application {
        try {
            Logging.start(LOG_DIRECTORY);

-            // NetworkUtils.setUserAgentSupplier(() -> "Hello Minecraft! Launcher");
-            Constants.UI_THREAD_SCHEDULER = Constants.JAVAFX_UI_THREAD_SCHEDULER;
-
            LOG.info("*** " + Metadata.TITLE + " ***");
            LOG.info("Operating System: " + System.getProperty("os.name") + ' ' + OperatingSystem.SYSTEM_VERSION);
            LOG.info("Java Version: " + System.getProperty("java.version") + ", " + System.getProperty("java.vendor"));
--- a/HMCL/src/main/java/org/jackhuang/hmcl/Main.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/Main.java
@@ -17,16 +17,12 @@
 */
 package org.jackhuang.hmcl;

-import org.jackhuang.hmcl.setting.ConfigHolder;
 import org.jackhuang.hmcl.upgrade.UpdateHandler;
-
 import javax.net.ssl.TrustManager;
 import javax.net.ssl.TrustManagerFactory;
 import javax.net.ssl.X509TrustManager;
 import javax.swing.*;
 import java.io.File;
-import java.io.IOException;
-import java.nio.file.Paths;
 import java.security.KeyStore;
 import java.security.KeyStoreException;
 import java.security.NoSuchAlgorithmException;
@@ -40,6 +36,7 @@ public final class Main {

    public static void main(String[] args) {
        System.setProperty("java.net.useSystemProxies", "true");
+        System.setProperty("http.agent", "HMCL/" + Metadata.VERSION);

        checkJavaFX();
        checkDirectoryPath();
--- a/HMCL/src/main/java/org/jackhuang/hmcl/Metadata.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/Metadata.java
@@ -17,7 +17,7 @@
 */
 package org.jackhuang.hmcl;

-import org.jackhuang.hmcl.util.JarUtils;
+import org.jackhuang.hmcl.util.io.JarUtils;

 /**
 * Stores metadata about this application.
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/AccountHelper.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/AccountHelper.java
@@ -30,7 +30,7 @@ import org.jackhuang.hmcl.task.Scheduler;
 import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.ui.DialogController;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.File;
 import java.util.*;
@@ -159,11 +159,11 @@ public final class AccountHelper {
    }

    public static Image getSteveSkin(double scaleRatio) {
-         return scale("/assets/img/steve.png", 4);
+        return scale("/assets/img/steve.png", scaleRatio);
    }

    public static Image getAlexSkin(double scaleRatio) {
-        return scale("/assets/img/alex.png", 4);
+        return scale("/assets/img/alex.png", scaleRatio);
    }

    public static Image getDefaultSkin(UUID uuid, double scaleRatio) {
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLGameRepository.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLGameRepository.java
@@ -26,8 +26,8 @@ import org.jackhuang.hmcl.setting.EnumGameDirectory;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.Settings;
 import org.jackhuang.hmcl.setting.VersionSetting;
-import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.io.IOException;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackExportTask.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackExportTask.java
@@ -19,9 +19,9 @@ package org.jackhuang.hmcl.game;

 import org.jackhuang.hmcl.mod.Modpack;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.Constants;
 import org.jackhuang.hmcl.util.Logging;
-import org.jackhuang.hmcl.util.Zipper;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.Zipper;

 import java.io.File;
 import java.util.ArrayList;
@@ -73,8 +73,8 @@ public class HMCLModpackExportTask extends Task {
            Version mv = repository.getResolvedVersion(version);
            String gameVersion = GameVersion.minecraftVersion(repository.getVersionJar(version))
                    .orElseThrow(() ->  new IllegalStateException("Cannot parse the version of " + version));
-            zip.putTextFile(Constants.GSON.toJson(mv.setJar(gameVersion)), "minecraft/pack.json"); // Making "jar" to gameVersion is to be compatible with old HMCL.
-            zip.putTextFile(Constants.GSON.toJson(modpack.setGameVersion(gameVersion)), "modpack.json"); // Newer HMCL only reads 'gameVersion' field.
+            zip.putTextFile(JsonUtils.GSON.toJson(mv.setJar(gameVersion)), "minecraft/pack.json"); // Making "jar" to gameVersion is to be compatible with old HMCL.
+            zip.putTextFile(JsonUtils.GSON.toJson(modpack.setGameVersion(gameVersion)), "modpack.json"); // Newer HMCL only reads 'gameVersion' field.
        }
    }
 }
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackInstallTask.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackInstallTask.java
@@ -27,9 +27,9 @@ import org.jackhuang.hmcl.mod.ModpackConfiguration;
 import org.jackhuang.hmcl.mod.ModpackInstallTask;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.CompressingUtils;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.FileUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.CompressingUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.io.IOException;
@@ -65,7 +65,7 @@ public final class HMCLModpackInstallTask extends Task {
        ModpackConfiguration<Modpack> config = null;
        try {
            if (json.exists()) {
-                config = Constants.GSON.fromJson(FileUtils.readText(json), new TypeToken<ModpackConfiguration<Modpack>>() {
+                config = JsonUtils.GSON.fromJson(FileUtils.readText(json), new TypeToken<ModpackConfiguration<Modpack>>() {
                }.getType());

                if (!MODPACK_TYPE.equals(config.getType()))
@@ -89,7 +89,7 @@ public final class HMCLModpackInstallTask extends Task {
    @Override
    public void execute() throws Exception {
        String json = CompressingUtils.readTextZipEntry(zipFile, "minecraft/pack.json");
-        Version version = Constants.GSON.fromJson(json, Version.class).setId(name).setJar(null);
+        Version version = JsonUtils.GSON.fromJson(json, Version.class).setId(name).setJar(null);
        dependencies.add(new VersionJsonSaveTask(repository, version));
        dependencies.add(new MinecraftInstanceTask<>(zipFile, "/minecraft", modpack, MODPACK_TYPE, repository.getModpackConfiguration(name)));
    }
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackManager.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackManager.java
@@ -19,10 +19,10 @@ package org.jackhuang.hmcl.game;

 import com.google.gson.JsonParseException;
 import org.jackhuang.hmcl.mod.Modpack;
-import org.jackhuang.hmcl.util.CompressingUtils;
-import org.jackhuang.hmcl.util.JsonUtils;
 import org.jackhuang.hmcl.util.Lang;
 import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.CompressingUtils;

 import java.io.File;
 import java.io.IOException;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java
@@ -41,6 +41,13 @@ import org.jackhuang.hmcl.ui.construct.DialogCloseEvent;
 import org.jackhuang.hmcl.ui.construct.MessageBox;
 import org.jackhuang.hmcl.ui.construct.TaskExecutorDialogPane;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.function.ExceptionalSupplier;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.platform.CommandBuilder;
+import org.jackhuang.hmcl.util.platform.JavaVersion;
+import org.jackhuang.hmcl.util.platform.ManagedProcess;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;

 import java.io.File;
 import java.io.IOException;
@@ -281,13 +288,13 @@ public final class LauncherHelper {
            }
        }

-        if (!flag && java.getPlatform() == org.jackhuang.hmcl.util.Platform.BIT_32 &&
-                org.jackhuang.hmcl.util.Platform.IS_64_BIT) {
+        if (!flag && java.getPlatform() == org.jackhuang.hmcl.util.platform.Platform.BIT_32 &&
+                org.jackhuang.hmcl.util.platform.Platform.IS_64_BIT) {
            final JavaVersion java32 = java;

            // First find if same java version but whose platform is 64-bit installed.
            Optional<JavaVersion> java64 = JavaVersion.getJREs().stream()
-                    .filter(javaVersion -> javaVersion.getPlatform() == org.jackhuang.hmcl.util.Platform.PLATFORM)
+                    .filter(javaVersion -> javaVersion.getPlatform() == org.jackhuang.hmcl.util.platform.Platform.PLATFORM)
                    .filter(javaVersion -> javaVersion.getParsedVersion() == java32.getParsedVersion())
                    .max(Comparator.comparing(JavaVersion::getVersionNumber));

@@ -296,7 +303,7 @@ public final class LauncherHelper {

                // Then find if other java version which satisfies requirements installed.
                java64 = JavaVersion.getJREs().stream()
-                        .filter(javaVersion -> javaVersion.getPlatform() == org.jackhuang.hmcl.util.Platform.PLATFORM)
+                        .filter(javaVersion -> javaVersion.getPlatform() == org.jackhuang.hmcl.util.platform.Platform.PLATFORM)
                        .filter(javaVersion -> {
                            if (java8requiredFinal) return javaVersion.getParsedVersion() == JavaVersion.JAVA_8;
                            if (newJavaRequiredFinal) return javaVersion.getParsedVersion() >= JavaVersion.JAVA_8;
@@ -313,7 +320,7 @@ public final class LauncherHelper {
            }
        }

-        if (!flag && java.getPlatform() == org.jackhuang.hmcl.util.Platform.BIT_32 &&
+        if (!flag && java.getPlatform() == org.jackhuang.hmcl.util.platform.Platform.BIT_32 &&
                setting.getMaxMemory() > 1.5 * 1024) {
            // 1.5 * 1024 is an inaccurate number.
            // Actual memory limit depends on operating system and memory.
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/ModpackHelper.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/ModpackHelper.java
@@ -25,9 +25,9 @@ import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.VersionSetting;
 import org.jackhuang.hmcl.task.FinalizedCallback;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Lang;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.io.FileNotFoundException;
@@ -64,7 +64,7 @@ public final class ModpackHelper {
            throw new FileNotFoundException(file.getPath());
        else
            try {
-                return Constants.GSON.fromJson(FileUtils.readText(file), new TypeToken<ModpackConfiguration<?>>() {
+                return JsonUtils.GSON.fromJson(FileUtils.readText(file), new TypeToken<ModpackConfiguration<?>>() {
                }.getType());
            } catch (JsonParseException e) {
                throw new IOException("Malformed modpack configuration");
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java
@@ -35,11 +35,11 @@ import org.hildan.fxgson.factories.JavaFxPropertyTypeAdapterFactory;
 import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServer;
 import org.jackhuang.hmcl.upgrade.UpdateChannel;
-import org.jackhuang.hmcl.util.EnumOrdinalDeserializer;
-import org.jackhuang.hmcl.util.FileTypeAdapter;
-import org.jackhuang.hmcl.util.ObservableHelper;
+import org.jackhuang.hmcl.util.gson.EnumOrdinalDeserializer;
+import org.jackhuang.hmcl.util.gson.FileTypeAdapter;
 import org.jackhuang.hmcl.util.i18n.Locales;
 import org.jackhuang.hmcl.util.i18n.Locales.SupportedLocale;
+import org.jackhuang.hmcl.util.javafx.ObservableHelper;

 import java.io.File;
 import java.lang.reflect.Modifier;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/ConfigHolder.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/ConfigHolder.java
@@ -19,7 +19,6 @@ package org.jackhuang.hmcl.setting;

 import com.google.gson.Gson;
 import com.google.gson.JsonParseException;
-import org.jackhuang.hmcl.util.OperatingSystem;

 import java.io.IOException;
 import java.nio.file.Files;
@@ -28,7 +27,11 @@ import java.nio.file.Paths;
 import java.util.Map;
 import java.util.logging.Level;

+import org.jackhuang.hmcl.util.InvocationDispatcher;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;
+
 import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.jackhuang.hmcl.util.Lang.thread;
 import static org.jackhuang.hmcl.util.Logging.LOG;

 public final class ConfigHolder {
@@ -42,6 +45,19 @@ public final class ConfigHolder {
    private static Config configInstance;
    private static boolean newlyCreated;

+    private static InvocationDispatcher<String> configWriter = new InvocationDispatcher<>(content -> {
+        thread(() -> {
+            LOG.info("Saving config");
+            try {
+                synchronized (configLocation) {
+                    Files.write(configLocation, content.get().getBytes(UTF_8));
+                }
+            } catch (IOException e) {
+                LOG.log(Level.SEVERE, "Failed to save config", e);
+            }
+        });
+    });
+
    public static Config config() {
        if (configInstance == null) {
            throw new IllegalStateException("Configuration hasn't been loaded");
@@ -68,7 +84,7 @@ public final class ConfigHolder {
        Settings.init();

        if (newlyCreated) {
-            saveConfig();
+            markConfigDirty();

            // hide the config file on windows
            if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS) {
@@ -122,22 +138,7 @@ public final class ConfigHolder {
        return new Config();
    }

-    private static void saveConfig() throws IOException {
-        LOG.info("Saving config");
-        try {
-            Files.write(configLocation, configInstance.toJson().getBytes(UTF_8));
-        } catch (IOException e) {
-            LOG.log(Level.SEVERE, "Failed to save config", e);
-            throw e;
-        }
-    }
-
    static void markConfigDirty() {
-        // TODO: change this to async
-        try {
-            saveConfig();
-        } catch (IOException ignored) {
-            // ignore it as it has been logged
-        }
+        configWriter.accept(configInstance.toJson());
    }
 }
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/ConfigUpgrader.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/ConfigUpgrader.java
@@ -20,7 +20,7 @@ package org.jackhuang.hmcl.setting;
 import org.jackhuang.hmcl.auth.offline.OfflineAccount;
 import org.jackhuang.hmcl.auth.offline.OfflineAccountFactory;
 import org.jackhuang.hmcl.util.StringUtils;
-import org.jackhuang.hmcl.util.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;

 import java.util.LinkedList;
 import java.util.List;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Profile.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Profile.java
@@ -31,6 +31,9 @@ import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.mod.ModManager;
 import org.jackhuang.hmcl.ui.WeakListenerHolder;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.javafx.ImmediateObjectProperty;
+import org.jackhuang.hmcl.util.javafx.ImmediateStringProperty;
+import org.jackhuang.hmcl.util.javafx.ObservableHelper;

 import java.io.File;
 import java.lang.reflect.Type;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Theme.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Theme.java
@@ -22,9 +22,10 @@ import com.google.gson.stream.JsonWriter;
 import javafx.beans.binding.Bindings;
 import javafx.beans.binding.ObjectBinding;
 import javafx.scene.paint.Color;
-import org.jackhuang.hmcl.util.FileUtils;
-import org.jackhuang.hmcl.util.IOUtils;
+
 import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.IOUtils;

 import java.io.File;
 import java.io.IOException;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/VersionSetting.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/VersionSetting.java
@@ -22,6 +22,12 @@ import javafx.beans.InvalidationListener;
 import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.game.LaunchOptions;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.javafx.ImmediateBooleanProperty;
+import org.jackhuang.hmcl.util.javafx.ImmediateIntegerProperty;
+import org.jackhuang.hmcl.util.javafx.ImmediateObjectProperty;
+import org.jackhuang.hmcl.util.javafx.ImmediateStringProperty;
+import org.jackhuang.hmcl.util.platform.JavaVersion;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.File;
 import java.io.IOException;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java
@@ -39,7 +39,7 @@ import org.jackhuang.hmcl.ui.profile.ProfileList;
 import org.jackhuang.hmcl.ui.versions.GameList;
 import org.jackhuang.hmcl.ui.versions.VersionPage;
 import org.jackhuang.hmcl.util.FutureCallback;
-import org.jackhuang.hmcl.util.JavaVersion;
+import org.jackhuang.hmcl.util.platform.JavaVersion;

 import java.util.function.Consumer;

--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/FXUtils.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/FXUtils.java
@@ -44,7 +44,11 @@ import javafx.util.Callback;
 import javafx.util.Duration;
 import javafx.util.StringConverter;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.function.ExceptionalSupplier;
 import org.jackhuang.hmcl.util.i18n.I18n;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.javafx.SelectionModelSelectedItemProperty;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.File;
 import java.io.IOException;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/LogWindow.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/LogWindow.java
@@ -34,10 +34,10 @@ import org.jackhuang.hmcl.event.Event;
 import org.jackhuang.hmcl.event.EventManager;
 import org.jackhuang.hmcl.game.LauncherHelper;
 import org.jackhuang.hmcl.setting.Settings;
-import org.jackhuang.hmcl.util.IOUtils;
 import org.jackhuang.hmcl.util.Lang;
 import org.jackhuang.hmcl.util.Log4jLevel;
 import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.io.IOUtils;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/MainPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/MainPage.java
@@ -39,7 +39,7 @@ import org.jackhuang.hmcl.setting.Theme;
 import org.jackhuang.hmcl.ui.construct.IconedMenuItem;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
 import org.jackhuang.hmcl.ui.versions.Versions;
-import org.jackhuang.hmcl.util.VersionNumber;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;

 import java.util.List;
 import java.util.stream.Collectors;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/SettingsPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/SettingsPage.java
@@ -46,8 +46,8 @@ import java.util.Objects;
 import java.util.Optional;

 import static org.jackhuang.hmcl.setting.ConfigHolder.config;
-import static org.jackhuang.hmcl.util.SelectionModelSelectedItemProperty.selectedItemPropertyFor;
 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+import static org.jackhuang.hmcl.util.javafx.SelectionModelSelectedItemProperty.selectedItemPropertyFor;

 public final class SettingsPage extends SettingsView implements DecoratorPage {
    private final ReadOnlyStringWrapper title = new ReadOnlyStringWrapper(this, "title", i18n("settings.launcher"));
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/account/AccountList.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/account/AccountList.java
@@ -25,7 +25,7 @@ import org.jackhuang.hmcl.auth.Account;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.ListPage;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
-import org.jackhuang.hmcl.util.MappedObservableList;
+import org.jackhuang.hmcl.util.javafx.MappedObservableList;

 import static org.jackhuang.hmcl.ui.FXUtils.onInvalidating;
 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/account/AddAccountPane.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/account/AddAccountPane.java
@@ -42,7 +42,6 @@ import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.construct.*;
-import org.jackhuang.hmcl.util.Constants;
 import org.jackhuang.hmcl.util.Logging;

 import java.util.List;
@@ -190,6 +189,7 @@ public class AddAccountPane extends StackPane {
    }

    private class Selector extends BorderPane implements CharacterSelector {
+
        private final AdvancedListBox listBox = new AdvancedListBox();
        private final JFXButton cancel = new JFXButton();

@@ -225,16 +225,13 @@ public class AddAccountPane extends StackPane {
                    image = AccountHelper.getSkinImmediately(yggdrasilAccount, profile, 4);
                } catch (Exception e) {
                    Logging.LOG.log(Level.WARNING, "Failed to get skin for " + profile.getName(), e);
-                    image = null;
+                    image = AccountHelper.getDefaultSkin(profile.getId(), 4);
                }
+
                ImageView portraitView = new ImageView();
                portraitView.setSmooth(false);
-                if (image == null) {
-                    portraitView.setImage(Constants.DEFAULT_ICON.get());
-                } else {
-                    portraitView.setImage(image);
-                    portraitView.setViewport(AccountHelper.getViewport(4));
-                }
+                portraitView.setImage(image);
+                portraitView.setViewport(AccountHelper.getViewport(4));
                FXUtils.limitSize(portraitView, 32, 32);

                IconedItem accountItem = new IconedItem(portraitView, profile.getName());
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/account/AddAuthlibInjectorServerPane.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/account/AddAuthlibInjectorServerPane.java
@@ -31,7 +31,7 @@ import org.jackhuang.hmcl.ui.animation.ContainerAnimations;
 import org.jackhuang.hmcl.ui.animation.TransitionHandler;
 import org.jackhuang.hmcl.ui.construct.DialogCloseEvent;
 import org.jackhuang.hmcl.ui.construct.SpinnerPane;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.IOException;

--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/account/AuthlibInjectorServersPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/account/AuthlibInjectorServersPage.java
@@ -28,7 +28,7 @@ import javafx.scene.layout.VBox;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServer;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
-import org.jackhuang.hmcl.util.MappedObservableList;
+import org.jackhuang.hmcl.util.javafx.MappedObservableList;

 import static org.jackhuang.hmcl.setting.ConfigHolder.config;
 import static org.jackhuang.hmcl.ui.FXUtils.loadFXML;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/ComponentList.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/ComponentList.java
@@ -17,6 +17,8 @@
 */
 package org.jackhuang.hmcl.ui.construct;

+import org.jackhuang.hmcl.util.javafx.MappedObservableList;
+
 import javafx.beans.DefaultProperty;
 import javafx.beans.binding.Bindings;
 import javafx.beans.property.IntegerProperty;
@@ -32,7 +34,6 @@ import javafx.scene.control.Skin;
 import javafx.scene.control.SkinBase;
 import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
-import org.jackhuang.hmcl.util.MappedObservableList;

@DefaultProperty("content")
 public class ComponentList extends Control {
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ExportWizardProvider.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ExportWizardProvider.java
@@ -28,7 +28,7 @@ import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.ui.wizard.WizardController;
 import org.jackhuang.hmcl.ui.wizard.WizardProvider;
-import org.jackhuang.hmcl.util.Zipper;
+import org.jackhuang.hmcl.util.io.Zipper;

 import java.io.File;
 import java.nio.file.Files;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ModpackFileSelectionPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ModpackFileSelectionPage.java
@@ -31,8 +31,8 @@ import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.construct.NoneMultipleSelectionModel;
 import org.jackhuang.hmcl.ui.wizard.WizardController;
 import org.jackhuang.hmcl.ui.wizard.WizardPage;
-import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.util.LinkedList;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/profile/ProfileList.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/profile/ProfileList.java
@@ -25,7 +25,7 @@ import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.ListPage;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
-import org.jackhuang.hmcl.util.MappedObservableList;
+import org.jackhuang.hmcl.util.javafx.MappedObservableList;

 import static org.jackhuang.hmcl.ui.FXUtils.onInvalidating;
 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/DatapackListPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/DatapackListPage.java
@@ -9,9 +9,9 @@ import org.jackhuang.hmcl.mod.Datapack;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.ListPage;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
-import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Logging;
-import org.jackhuang.hmcl.util.MappedObservableList;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.javafx.MappedObservableList;

 import java.io.File;
 import java.io.IOException;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/GameList.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/GameList.java
@@ -34,8 +34,8 @@ import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.WeakListenerHolder;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
 import org.jackhuang.hmcl.ui.download.DownloadWizardProvider;
-import org.jackhuang.hmcl.util.VersionNumber;
 import org.jackhuang.hmcl.util.i18n.I18n;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;

 import java.util.List;
 import java.util.stream.Collectors;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/ModListPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/ModListPage.java
@@ -28,8 +28,8 @@ import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.ListPage;
-import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.io.IOException;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/VersionPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/VersionPage.java
@@ -31,7 +31,7 @@ import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.construct.IconedMenuItem;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
-import org.jackhuang.hmcl.util.FileUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;

--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/VersionSettingsPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/VersionSettingsPage.java
@@ -46,10 +46,10 @@ import org.jackhuang.hmcl.ui.construct.ComponentList;
 import org.jackhuang.hmcl.ui.construct.ImagePickerItem;
 import org.jackhuang.hmcl.ui.construct.MultiFileItem;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
-import org.jackhuang.hmcl.util.FileUtils;
-import org.jackhuang.hmcl.util.JavaVersion;
 import org.jackhuang.hmcl.util.Logging;
-import org.jackhuang.hmcl.util.OperatingSystem;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.platform.JavaVersion;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.File;
 import java.io.IOException;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/Versions.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/Versions.java
@@ -36,8 +36,8 @@ import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.construct.DialogCloseEvent;
 import org.jackhuang.hmcl.ui.construct.MessageBox;
 import org.jackhuang.hmcl.ui.export.ExportWizardProvider;
-import org.jackhuang.hmcl.util.FileUtils;
-import org.jackhuang.hmcl.util.OperatingSystem;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.File;
 import java.io.IOException;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/WorldListItem.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/WorldListItem.java
@@ -11,8 +11,8 @@ import javafx.stage.FileChooser;
 import org.jackhuang.hmcl.game.World;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.wizard.SinglePageWizardProvider;
-import org.jackhuang.hmcl.util.IntVersionNumber;
-import org.jackhuang.hmcl.util.VersionNumber;
+import org.jackhuang.hmcl.util.versioning.IntVersionNumber;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;

 import java.io.File;
 import java.text.SimpleDateFormat;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/ExecutableHeaderHelper.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/ExecutableHeaderHelper.java
@@ -17,8 +17,6 @@
 */
 package org.jackhuang.hmcl.upgrade;

-import org.jackhuang.hmcl.util.IOUtils;
-
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.ByteBuffer;
@@ -30,6 +28,8 @@ import java.util.Optional;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;

+import org.jackhuang.hmcl.util.io.IOUtils;
+
 import static java.nio.file.StandardOpenOption.*;
 import static org.jackhuang.hmcl.util.Lang.mapOf;
 import static org.jackhuang.hmcl.util.Pair.pair;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/HMCLDownloadTask.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/HMCLDownloadTask.java
@@ -18,7 +18,7 @@
 package org.jackhuang.hmcl.upgrade;

 import org.jackhuang.hmcl.task.FileDownloadTask;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;
 import org.tukaani.xz.XZInputStream;

 import java.io.ByteArrayInputStream;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/IntegrityChecker.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/IntegrityChecker.java
@@ -18,8 +18,8 @@
 package org.jackhuang.hmcl.upgrade;

 import org.jackhuang.hmcl.util.DigestUtils;
-import org.jackhuang.hmcl.util.IOUtils;
-import org.jackhuang.hmcl.util.JarUtils;
+import org.jackhuang.hmcl.util.io.IOUtils;
+import org.jackhuang.hmcl.util.io.JarUtils;

 import java.io.IOException;
 import java.io.InputStream;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/RemoteVersion.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/RemoteVersion.java
@@ -21,8 +21,8 @@ import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParseException;
 import org.jackhuang.hmcl.task.FileDownloadTask.IntegrityCheck;
-import org.jackhuang.hmcl.util.JsonUtils;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.IOException;
 import java.util.Optional;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/UpdateChecker.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/UpdateChecker.java
@@ -24,7 +24,7 @@ import javafx.beans.property.*;
 import javafx.beans.value.ObservableBooleanValue;
 import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.setting.ConfigHolder;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.IOException;
 import java.util.logging.Level;
@@ -35,7 +35,7 @@ import static org.jackhuang.hmcl.util.Lang.mapOf;
 import static org.jackhuang.hmcl.util.Lang.thread;
 import static org.jackhuang.hmcl.util.Logging.LOG;
 import static org.jackhuang.hmcl.util.Pair.pair;
-import static org.jackhuang.hmcl.util.VersionNumber.asVersion;
+import static org.jackhuang.hmcl.util.versioning.VersionNumber.asVersion;

 public final class UpdateChecker {
    private UpdateChecker() {}
--- a/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/UpdateHandler.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/UpdateHandler.java
@@ -28,9 +28,9 @@ import org.jackhuang.hmcl.task.TaskExecutor;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.construct.DialogCloseEvent;
 import org.jackhuang.hmcl.ui.construct.MessageBox;
-import org.jackhuang.hmcl.util.JarUtils;
-import org.jackhuang.hmcl.util.JavaVersion;
 import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.io.JarUtils;
+import org.jackhuang.hmcl.util.platform.JavaVersion;

 import javax.swing.*;
 import java.io.IOException;
--- a/HMCL/src/main/java/org/jackhuang/hmcl/util/CrashReporter.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/util/CrashReporter.java
@@ -23,6 +23,8 @@ import org.jackhuang.hmcl.ui.CrashWindow;
 import org.jackhuang.hmcl.ui.construct.MessageBox;
 import org.jackhuang.hmcl.upgrade.IntegrityChecker;
 import org.jackhuang.hmcl.upgrade.UpdateChecker;
+import org.jackhuang.hmcl.util.io.NetworkUtils;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.IOException;
 import java.text.SimpleDateFormat;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/Account.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/Account.java
@@ -20,8 +20,9 @@ package org.jackhuang.hmcl.auth;
 import javafx.application.Platform;
 import javafx.beans.InvalidationListener;
 import javafx.beans.Observable;
-import org.jackhuang.hmcl.util.ObservableHelper;
+
 import org.jackhuang.hmcl.util.ToStringBuilder;
+import org.jackhuang.hmcl.util.javafx.ObservableHelper;

 import java.util.Map;
 import java.util.Optional;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorAccount.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorAccount.java
@@ -25,9 +25,9 @@ import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilService;
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilSession;
 import org.jackhuang.hmcl.game.Arguments;
 import org.jackhuang.hmcl.task.GetTask;
-import org.jackhuang.hmcl.util.ExceptionalSupplier;
 import org.jackhuang.hmcl.util.Lang;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.function.ExceptionalSupplier;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.IOException;
 import java.util.*;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorAccountFactory.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorAccountFactory.java
@@ -22,7 +22,7 @@ import org.jackhuang.hmcl.auth.AuthenticationException;
 import org.jackhuang.hmcl.auth.CharacterSelector;
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilService;
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilSession;
-import org.jackhuang.hmcl.util.ExceptionalSupplier;
+import org.jackhuang.hmcl.util.function.ExceptionalSupplier;

 import java.io.IOException;
 import java.util.Map;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorDownloader.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorDownloader.java
@@ -22,8 +22,8 @@ import com.google.gson.annotations.SerializedName;
 import org.jackhuang.hmcl.download.DownloadProvider;
 import org.jackhuang.hmcl.task.FileDownloadTask;
 import org.jackhuang.hmcl.task.FileDownloadTask.IntegrityCheck;
-import org.jackhuang.hmcl.util.JsonUtils;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.IOException;
 import java.net.URL;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorProvider.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorProvider.java
@@ -18,8 +18,8 @@
 package org.jackhuang.hmcl.auth.authlibinjector;

 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilProvider;
-import org.jackhuang.hmcl.util.NetworkUtils;
-import org.jackhuang.hmcl.util.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.net.URL;
 import java.util.UUID;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorServer.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorServer.java
@@ -20,8 +20,9 @@ package org.jackhuang.hmcl.auth.authlibinjector;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParseException;
 import com.google.gson.JsonPrimitive;
-import org.jackhuang.hmcl.util.JsonUtils;
-import org.jackhuang.hmcl.util.NetworkUtils;
+
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.IOException;
 import java.util.Optional;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/offline/OfflineAccount.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/offline/OfflineAccount.java
@@ -22,7 +22,7 @@ import org.jackhuang.hmcl.auth.AuthInfo;
 import org.jackhuang.hmcl.auth.AuthenticationException;
 import org.jackhuang.hmcl.util.StringUtils;
 import org.jackhuang.hmcl.util.ToStringBuilder;
-import org.jackhuang.hmcl.util.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;

 import java.util.Map;
 import java.util.Objects;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/offline/OfflineAccountFactory.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/offline/OfflineAccountFactory.java
@@ -19,7 +19,7 @@ package org.jackhuang.hmcl.auth.offline;

 import org.jackhuang.hmcl.auth.AccountFactory;
 import org.jackhuang.hmcl.auth.CharacterSelector;
-import org.jackhuang.hmcl.util.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;

 import java.util.Map;
 import java.util.UUID;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/MojangYggdrasilProvider.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/MojangYggdrasilProvider.java
@@ -1,7 +1,7 @@
 package org.jackhuang.hmcl.auth.yggdrasil;

-import org.jackhuang.hmcl.util.NetworkUtils;
-import org.jackhuang.hmcl.util.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.net.URL;
 import java.util.UUID;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/User.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/User.java
@@ -19,7 +19,7 @@ package org.jackhuang.hmcl.auth.yggdrasil;

 import com.google.gson.JsonParseException;
 import org.jackhuang.hmcl.util.StringUtils;
-import org.jackhuang.hmcl.util.Validation;
+import org.jackhuang.hmcl.util.gson.Validation;

 /**
 *
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilAccount.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilAccount.java
@@ -19,7 +19,7 @@ package org.jackhuang.hmcl.auth.yggdrasil;

 import org.jackhuang.hmcl.auth.*;
 import org.jackhuang.hmcl.util.StringUtils;
-import org.jackhuang.hmcl.util.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;

 import java.util.*;

--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilAccountFactory.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilAccountFactory.java
@@ -20,7 +20,7 @@ package org.jackhuang.hmcl.auth.yggdrasil;
 import org.jackhuang.hmcl.auth.AccountFactory;
 import org.jackhuang.hmcl.auth.AuthenticationException;
 import org.jackhuang.hmcl.auth.CharacterSelector;
-import org.jackhuang.hmcl.util.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;

 import java.util.Map;
 import java.util.Objects;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilService.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilService.java
@@ -6,9 +6,9 @@ import com.google.gson.JsonParseException;
 import org.jackhuang.hmcl.auth.AuthenticationException;
 import org.jackhuang.hmcl.auth.ServerDisconnectException;
 import org.jackhuang.hmcl.auth.ServerResponseMalformedException;
-import org.jackhuang.hmcl.util.NetworkUtils;
 import org.jackhuang.hmcl.util.StringUtils;
-import org.jackhuang.hmcl.util.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.IOException;
 import java.net.URL;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilSession.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilSession.java
@@ -3,7 +3,7 @@ package org.jackhuang.hmcl.auth.yggdrasil;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import org.jackhuang.hmcl.auth.AuthInfo;
-import org.jackhuang.hmcl.util.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;

 import java.util.Map;
 import java.util.Optional;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/DefaultCacheRepository.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/DefaultCacheRepository.java
@@ -21,6 +21,9 @@ import org.jackhuang.hmcl.download.game.LibraryDownloadTask;
 import org.jackhuang.hmcl.game.Library;
 import org.jackhuang.hmcl.game.LibraryDownloadInfo;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.IOException;
 import java.nio.file.Files;
@@ -56,7 +59,7 @@ public class DefaultCacheRepository extends CacheRepository {
        lock.writeLock().lock();
        try {
            if (Files.isRegularFile(indexFile))
-                index = Constants.GSON.fromJson(FileUtils.readText(indexFile.toFile()), Index.class);
+                index = JsonUtils.GSON.fromJson(FileUtils.readText(indexFile.toFile()), Index.class);
            else
                index = new Index();
        } catch (IOException e) {
@@ -191,7 +194,7 @@ public class DefaultCacheRepository extends CacheRepository {
    private void saveIndex() {
        if (indexFile == null || index == null) return;
        try {
-            FileUtils.writeText(indexFile.toFile(), Constants.GSON.toJson(index));
+            FileUtils.writeText(indexFile.toFile(), JsonUtils.GSON.toJson(index));
        } catch (IOException e) {
            Logging.LOG.log(Level.SEVERE, "Unable to save index.json", e);
        }
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/DefaultDependencyManager.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/DefaultDependencyManager.java
@@ -32,7 +32,7 @@ import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.ParallelTask;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.util.AutoTypingMap;
-import org.jackhuang.hmcl.util.ExceptionalFunction;
+import org.jackhuang.hmcl.util.function.ExceptionalFunction;

 /**
 * Note: This class has no state.
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/DefaultGameBuilder.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/DefaultGameBuilder.java
@@ -22,8 +22,8 @@ import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.ParallelTask;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.util.AutoTypingMap;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.ExceptionalFunction;
+import org.jackhuang.hmcl.util.function.ExceptionalFunction;
+import org.jackhuang.hmcl.util.gson.JsonUtils;

 /**
 *
@@ -50,7 +50,7 @@ public class DefaultGameBuilder extends GameBuilder {
    @Override
    public Task buildAsync() {
        return new VersionJsonDownloadTask(gameVersion, dependencyManager).then(variables -> {
-            Version version = Constants.GSON.fromJson(variables.<String>get(VersionJsonDownloadTask.ID), Version.class);
+            Version version = JsonUtils.GSON.fromJson(variables.<String>get(VersionJsonDownloadTask.ID), Version.class);
            version = version.setId(name).setJar(null);
            variables.set("version", version);
            Task result = downloadGameAsync(gameVersion, version).then(new ParallelTask(
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/MaintainTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/MaintainTask.java
@@ -22,8 +22,8 @@ import org.jackhuang.hmcl.game.Arguments;
 import org.jackhuang.hmcl.game.StringArgument;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.TaskResult;
-import org.jackhuang.hmcl.util.CommandBuilder;
 import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.platform.CommandBuilder;

 import java.util.ArrayList;
 import java.util.Arrays;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/RemoteVersion.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/RemoteVersion.java
@@ -18,7 +18,7 @@
 package org.jackhuang.hmcl.download;

 import org.jackhuang.hmcl.util.ToStringBuilder;
-import org.jackhuang.hmcl.util.VersionNumber;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;

 import java.util.Objects;

--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeInstallProfile.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeInstallProfile.java
@@ -21,7 +21,7 @@ import com.google.gson.JsonParseException;
 import com.google.gson.annotations.SerializedName;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.util.Immutable;
-import org.jackhuang.hmcl.util.Validation;
+import org.jackhuang.hmcl.util.gson.Validation;

 /**
 *
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeInstallTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeInstallTask.java
@@ -24,10 +24,10 @@ import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.FileDownloadTask;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.task.TaskResult;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.FileUtils;
-import org.jackhuang.hmcl.util.IOUtils;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.IOUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.*;
 import java.util.Collection;
@@ -89,7 +89,7 @@ public final class ForgeInstallTask extends TaskResult<Version> {
            if (stream == null)
                throw new IOException("Malformed forge installer file, install_profile.json does not exist.");
            String json = IOUtils.readFullyAsString(stream);
-            ForgeInstallProfile installProfile = Constants.GSON.fromJson(json, ForgeInstallProfile.class);
+            ForgeInstallProfile installProfile = JsonUtils.GSON.fromJson(json, ForgeInstallProfile.class);
            if (installProfile == null)
                throw new IOException("Malformed forge installer file, install_profile.json does not exist.");
            
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeVersion.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeVersion.java
@@ -19,7 +19,7 @@ package org.jackhuang.hmcl.download.forge;

 import com.google.gson.JsonParseException;
 import org.jackhuang.hmcl.util.Immutable;
-import org.jackhuang.hmcl.util.Validation;
+import org.jackhuang.hmcl.util.gson.Validation;

 /**
 *
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeVersionList.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeVersionList.java
@@ -21,10 +21,10 @@ import org.jackhuang.hmcl.download.DownloadProvider;
 import org.jackhuang.hmcl.download.VersionList;
 import org.jackhuang.hmcl.task.GetTask;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.NetworkUtils;
 import org.jackhuang.hmcl.util.StringUtils;
-import org.jackhuang.hmcl.util.VersionNumber;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;

 import java.util.*;

@@ -60,7 +60,7 @@ public final class ForgeVersionList extends VersionList<ForgeRemoteVersion> {
                lock.writeLock().lock();

                try {
-                    ForgeVersionRoot root = Constants.GSON.fromJson(task.getResult(), ForgeVersionRoot.class);
+                    ForgeVersionRoot root = JsonUtils.GSON.fromJson(task.getResult(), ForgeVersionRoot.class);
                    if (root == null)
                        return;
                    versions.clear();
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeVersionRoot.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeVersionRoot.java
@@ -19,7 +19,7 @@ package org.jackhuang.hmcl.download.forge;

 import com.google.gson.JsonParseException;
 import org.jackhuang.hmcl.util.Immutable;
-import org.jackhuang.hmcl.util.Validation;
+import org.jackhuang.hmcl.util.gson.Validation;

 import java.util.Map;

--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameAssetDownloadTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameAssetDownloadTask.java
@@ -24,10 +24,10 @@ import org.jackhuang.hmcl.game.AssetObject;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.FileDownloadTask;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.FileUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;
 import org.jackhuang.hmcl.util.CacheRepository;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;

 import java.io.File;
 import java.util.Collection;
@@ -75,7 +75,7 @@ public final class GameAssetDownloadTask extends Task {
    
    @Override
    public void execute() throws Exception {
-        AssetIndex index = Constants.GSON.fromJson(FileUtils.readText(assetIndexFile), AssetIndex.class);
+        AssetIndex index = JsonUtils.GSON.fromJson(FileUtils.readText(assetIndexFile), AssetIndex.class);
        int progress = 0;
        if (index != null)
            for (AssetObject assetObject : index.getObjects().values()) {
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameAssetIndexDownloadTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameAssetIndexDownloadTask.java
@@ -23,7 +23,7 @@ import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.FileDownloadTask;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.util.CacheRepository;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.File;
 import java.util.LinkedList;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameDownloadTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameDownloadTask.java
@@ -23,7 +23,7 @@ import org.jackhuang.hmcl.task.FileDownloadTask;
 import org.jackhuang.hmcl.task.FileDownloadTask.IntegrityCheck;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.util.CacheRepository;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.File;
 import java.util.LinkedList;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameRemoteVersionInfo.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameRemoteVersionInfo.java
@@ -22,7 +22,7 @@ import com.google.gson.annotations.SerializedName;
 import org.jackhuang.hmcl.game.ReleaseType;
 import org.jackhuang.hmcl.util.Constants;
 import org.jackhuang.hmcl.util.StringUtils;
-import org.jackhuang.hmcl.util.Validation;
+import org.jackhuang.hmcl.util.gson.Validation;

 import java.util.Date;

--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameVersionList.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameVersionList.java
@@ -21,9 +21,9 @@ import org.jackhuang.hmcl.download.DownloadProvider;
 import org.jackhuang.hmcl.download.VersionList;
 import org.jackhuang.hmcl.task.GetTask;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.NetworkUtils;
 import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.util.Collection;
 import java.util.Collections;
@@ -70,7 +70,7 @@ public final class GameVersionList extends VersionList<GameRemoteVersion> {
                try {
                    versions.clear();

-                    GameRemoteVersions root = Constants.GSON.fromJson(task.getResult(), GameRemoteVersions.class);
+                    GameRemoteVersions root = JsonUtils.GSON.fromJson(task.getResult(), GameRemoteVersions.class);
                    for (GameRemoteVersionInfo remoteVersion : root.getVersions()) {
                        versions.put(remoteVersion.getGameVersion(), new GameRemoteVersion(
                                remoteVersion.getGameVersion(),
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/LibrariesUniqueTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/LibrariesUniqueTask.java
@@ -21,9 +21,9 @@ import org.jackhuang.hmcl.game.CompatibilityRule;
 import org.jackhuang.hmcl.game.Library;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.TaskResult;
-import org.jackhuang.hmcl.util.Constants;
 import org.jackhuang.hmcl.util.SimpleMultimap;
-import org.jackhuang.hmcl.util.VersionNumber;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;

 import java.util.ArrayList;
 import java.util.HashMap;
@@ -53,7 +53,7 @@ public class LibrariesUniqueTask extends TaskResult<Version> {
        for (Library library : libraries) {
            String id = library.getGroupId() + ":" + library.getArtifactId();
            VersionNumber number = VersionNumber.asVersion(library.getVersion());
-            String serialized = Constants.GSON.toJson(library);
+            String serialized = JsonUtils.GSON.toJson(library);

            if (multimap.containsKey(id)) {
                boolean duplicate = false;
@@ -68,7 +68,7 @@ public class LibrariesUniqueTask extends TaskResult<Version> {
                        } else if (number.compareTo(otherNumber) == 0) { // same library id.
                            // prevent from duplicated libraries
                            if (library.equals(otherLibrary)) {
-                                String otherSerialized = Constants.GSON.toJson(otherLibrary);
+                                String otherSerialized = JsonUtils.GSON.toJson(otherLibrary);
                                // A trick, the library that has more information is better, which can be
                                // considered whose serialized JSON text will be longer.
                                if (serialized.length() > otherSerialized.length()) {
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/LibraryDownloadTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/LibraryDownloadTask.java
@@ -6,10 +6,10 @@ import org.jackhuang.hmcl.game.Library;
 import org.jackhuang.hmcl.task.FileDownloadTask;
 import org.jackhuang.hmcl.task.FileDownloadTask.IntegrityCheck;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.FileUtils;
-import org.jackhuang.hmcl.util.IOUtils;
 import org.jackhuang.hmcl.util.Logging;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.IOUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;
 import org.tukaani.xz.XZInputStream;

 import java.io.*;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/VersionJsonDownloadTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/VersionJsonDownloadTask.java
@@ -22,7 +22,7 @@ import org.jackhuang.hmcl.download.RemoteVersion;
 import org.jackhuang.hmcl.download.VersionList;
 import org.jackhuang.hmcl.task.GetTask;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.util.Collection;
 import java.util.LinkedList;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/VersionJsonSaveTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/VersionJsonSaveTask.java
@@ -20,8 +20,8 @@ package org.jackhuang.hmcl.download.game;
 import org.jackhuang.hmcl.game.DefaultGameRepository;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.FileUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.io.IOException;
@@ -54,6 +54,6 @@ public final class VersionJsonSaveTask extends Task {
        File json = repository.getVersionJson(version.getId()).getAbsoluteFile();
        if (!FileUtils.makeFile(json))
            throw new IOException("Cannot create file " + json);
-        FileUtils.writeText(json, Constants.GSON.toJson(version));
+        FileUtils.writeText(json, JsonUtils.GSON.toJson(version));
    }
 }
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/liteloader/LiteLoaderBMCLVersionList.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/liteloader/LiteLoaderBMCLVersionList.java
@@ -21,9 +21,9 @@ import org.jackhuang.hmcl.download.DownloadProvider;
 import org.jackhuang.hmcl.download.VersionList;
 import org.jackhuang.hmcl.task.GetTask;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.NetworkUtils;
-import org.jackhuang.hmcl.util.VersionNumber;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
@@ -65,7 +65,7 @@ public final class LiteLoaderBMCLVersionList extends VersionList<LiteLoaderRemot
                lock.writeLock().lock();

                try {
-                    LiteLoaderVersionsRoot root = Constants.GSON.fromJson(task.getResult(), LiteLoaderVersionsRoot.class);
+                    LiteLoaderVersionsRoot root = JsonUtils.GSON.fromJson(task.getResult(), LiteLoaderVersionsRoot.class);
                    versions.clear();

                    for (Map.Entry<String, LiteLoaderGameVersions> entry : root.getVersions().entrySet()) {
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/liteloader/LiteLoaderVersionList.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/liteloader/LiteLoaderVersionList.java
@@ -21,9 +21,9 @@ import org.jackhuang.hmcl.download.DownloadProvider;
 import org.jackhuang.hmcl.download.VersionList;
 import org.jackhuang.hmcl.task.GetTask;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.NetworkUtils;
-import org.jackhuang.hmcl.util.VersionNumber;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
@@ -65,7 +65,7 @@ public final class LiteLoaderVersionList extends VersionList<LiteLoaderRemoteVer
                lock.writeLock().lock();

                try {
-                    LiteLoaderVersionsRoot root = Constants.GSON.fromJson(task.getResult(), LiteLoaderVersionsRoot.class);
+                    LiteLoaderVersionsRoot root = JsonUtils.GSON.fromJson(task.getResult(), LiteLoaderVersionsRoot.class);
                    versions.clear();

                    for (Map.Entry<String, LiteLoaderGameVersions> entry : root.getVersions().entrySet()) {
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineBMCLVersionList.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineBMCLVersionList.java
@@ -22,10 +22,10 @@ import org.jackhuang.hmcl.download.DownloadProvider;
 import org.jackhuang.hmcl.download.VersionList;
 import org.jackhuang.hmcl.task.GetTask;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.NetworkUtils;
 import org.jackhuang.hmcl.util.StringUtils;
-import org.jackhuang.hmcl.util.VersionNumber;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;

 import java.util.*;

@@ -58,7 +58,7 @@ public final class OptiFineBMCLVersionList extends VersionList<OptiFineRemoteVer
            public void execute() {
                versions.clear();
                Set<String> duplicates = new HashSet<>();
-                List<OptiFineVersion> root = Constants.GSON.fromJson(task.getResult(), new TypeToken<List<OptiFineVersion>>() {
+                List<OptiFineVersion> root = JsonUtils.GSON.fromJson(task.getResult(), new TypeToken<List<OptiFineVersion>>() {
                }.getType());
                for (OptiFineVersion element : root) {
                    String version = element.getType() + "_" + element.getPatch();
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/event/JVMLaunchFailedEvent.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/event/JVMLaunchFailedEvent.java
@@ -17,8 +17,8 @@
 */
 package org.jackhuang.hmcl.event;

-import org.jackhuang.hmcl.util.ManagedProcess;
 import org.jackhuang.hmcl.util.ToStringBuilder;
+import org.jackhuang.hmcl.util.platform.ManagedProcess;

 /**
 * This event gets fired when we launch the JVM and it got crashed.
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/event/ProcessExitedAbnormallyEvent.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/event/ProcessExitedAbnormallyEvent.java
@@ -17,8 +17,8 @@
 */
 package org.jackhuang.hmcl.event;

-import org.jackhuang.hmcl.util.ManagedProcess;
 import org.jackhuang.hmcl.util.ToStringBuilder;
+import org.jackhuang.hmcl.util.platform.ManagedProcess;

 /**
 * This event gets fired when a JavaProcess exited abnormally and the exit code is not zero.
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/event/ProcessStoppedEvent.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/event/ProcessStoppedEvent.java
@@ -17,7 +17,7 @@
 */
 package org.jackhuang.hmcl.event;

-import org.jackhuang.hmcl.util.ManagedProcess;
+import org.jackhuang.hmcl.util.platform.ManagedProcess;

 /**
 * This event gets fired when minecraft process exited successfully and the exit code is 0.
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/Arguments.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/Arguments.java
@@ -20,7 +20,7 @@ package org.jackhuang.hmcl.game;
 import com.google.gson.annotations.SerializedName;
 import org.jackhuang.hmcl.util.Immutable;
 import org.jackhuang.hmcl.util.Lang;
-import org.jackhuang.hmcl.util.OperatingSystem;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.util.*;
 import java.util.stream.Collectors;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/AssetObject.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/AssetObject.java
@@ -19,7 +19,7 @@ package org.jackhuang.hmcl.game;

 import com.google.gson.JsonParseException;
 import org.jackhuang.hmcl.util.StringUtils;
-import org.jackhuang.hmcl.util.Validation;
+import org.jackhuang.hmcl.util.gson.Validation;

 /**
 *
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/DefaultGameRepository.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/DefaultGameRepository.java
@@ -21,10 +21,10 @@ import com.google.gson.JsonParseException;
 import com.google.gson.JsonSyntaxException;
 import org.jackhuang.hmcl.event.*;
 import org.jackhuang.hmcl.task.Schedulers;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Logging;
 import org.jackhuang.hmcl.util.ToStringBuilder;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.io.IOException;
@@ -113,7 +113,7 @@ public class DefaultGameRepository implements GameRepository {
    }

    public Version readVersionJson(File file) throws IOException, JsonSyntaxException {
-        return Constants.GSON.fromJson(FileUtils.readText(file), Version.class);
+        return JsonUtils.GSON.fromJson(FileUtils.readText(file), Version.class);
    }

    @Override
@@ -142,7 +142,7 @@ public class DefaultGameRepository implements GameRepository {

            if (fromVersion.getId().equals(fromVersion.getJar()))
                fromVersion = fromVersion.setJar(to);
-            FileUtils.writeText(toJson, Constants.GSON.toJson(fromVersion.setId(to)));
+            FileUtils.writeText(toJson, JsonUtils.GSON.toJson(fromVersion.setId(to)));
            return true;
        } catch (IOException | JsonParseException | VersionNotFoundException e) {
            return false;
@@ -229,7 +229,7 @@ public class DefaultGameRepository implements GameRepository {
                if (!id.equals(version.getId())) {
                    version = version.setId(id);
                    try {
-                        FileUtils.writeText(json, Constants.GSON.toJson(version));
+                        FileUtils.writeText(json, JsonUtils.GSON.toJson(version));
                    } catch (Exception e) {
                        Logging.LOG.log(Level.WARNING, "Ignoring version " + id + " because wrong id " + version.getId() + " is set and cannot correct it.");
                        return Stream.empty();
@@ -269,7 +269,7 @@ public class DefaultGameRepository implements GameRepository {
    @Override
    public AssetIndex getAssetIndex(String version, String assetId) throws IOException {
        try {
-            return Objects.requireNonNull(Constants.GSON.fromJson(FileUtils.readText(getIndexFile(version, assetId)), AssetIndex.class));
+            return Objects.requireNonNull(JsonUtils.GSON.fromJson(FileUtils.readText(getIndexFile(version, assetId)), AssetIndex.class));
        } catch (JsonParseException | NullPointerException e) {
            throw new IOException("Asset index file malformed", e);
        }
@@ -329,7 +329,7 @@ public class DefaultGameRepository implements GameRepository {
            return assetsDir;

        String assetIndexContent = FileUtils.readText(indexFile);
-        AssetIndex index = Constants.GSON.fromJson(assetIndexContent, AssetIndex.class);
+        AssetIndex index = JsonUtils.GSON.fromJson(assetIndexContent, AssetIndex.class);

        if (index == null)
            return assetsDir;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/DownloadInfo.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/DownloadInfo.java
@@ -22,7 +22,7 @@ import com.google.gson.annotations.SerializedName;
 import org.jackhuang.hmcl.util.Immutable;
 import org.jackhuang.hmcl.util.StringUtils;
 import org.jackhuang.hmcl.util.ToStringBuilder;
-import org.jackhuang.hmcl.util.Validation;
+import org.jackhuang.hmcl.util.gson.Validation;

 /**
 *
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/GameVersion.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/GameVersion.java
@@ -17,7 +17,7 @@
 */
 package org.jackhuang.hmcl.game;

-import org.jackhuang.hmcl.util.CompressingUtils;
+import org.jackhuang.hmcl.util.io.CompressingUtils;
 import org.jenkinsci.constant_pool_scanner.ConstantPool;
 import org.jenkinsci.constant_pool_scanner.ConstantPoolScanner;
 import org.jenkinsci.constant_pool_scanner.ConstantType;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/LaunchOptions.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/LaunchOptions.java
@@ -17,11 +17,11 @@
 */
 package org.jackhuang.hmcl.game;

-import org.jackhuang.hmcl.util.JavaVersion;
-
 import java.io.File;
 import java.io.Serializable;

+import org.jackhuang.hmcl.util.platform.JavaVersion;
+
 /**
 *
 * @author huangyuhui
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/Library.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/Library.java
@@ -20,9 +20,9 @@ package org.jackhuang.hmcl.game;
 import com.google.gson.*;
 import com.google.gson.reflect.TypeToken;
 import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.OperatingSystem;
-import org.jackhuang.hmcl.util.Platform;
 import org.jackhuang.hmcl.util.ToStringBuilder;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;
+import org.jackhuang.hmcl.util.platform.Platform;

 import java.lang.reflect.Type;
 import java.util.List;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/LoggingInfo.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/LoggingInfo.java
@@ -20,7 +20,7 @@ package org.jackhuang.hmcl.game;
 import com.google.gson.JsonParseException;
 import com.google.gson.annotations.SerializedName;
 import org.jackhuang.hmcl.util.StringUtils;
-import org.jackhuang.hmcl.util.Validation;
+import org.jackhuang.hmcl.util.gson.Validation;

 /**
 *
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/OSRestriction.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/OSRestriction.java
@@ -18,7 +18,7 @@
 package org.jackhuang.hmcl.game;

 import org.jackhuang.hmcl.util.Lang;
-import org.jackhuang.hmcl.util.OperatingSystem;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.util.regex.Pattern;

--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/Version.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/Version.java
@@ -19,6 +19,7 @@ package org.jackhuang.hmcl.game;

 import com.google.gson.JsonParseException;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.gson.Validation;

 import java.util.*;
 import java.util.logging.Level;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/World.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/World.java
@@ -6,6 +6,10 @@ import com.github.steveice10.opennbt.tag.builtin.LongTag;
 import com.github.steveice10.opennbt.tag.builtin.StringTag;
 import com.github.steveice10.opennbt.tag.builtin.Tag;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.io.CompressingUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.Unzipper;
+import org.jackhuang.hmcl.util.io.Zipper;

 import java.io.IOException;
 import java.io.InputStream;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/DefaultLauncher.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/DefaultLauncher.java
@@ -20,6 +20,14 @@ package org.jackhuang.hmcl.launch;
 import org.jackhuang.hmcl.auth.AuthInfo;
 import org.jackhuang.hmcl.game.*;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.Unzipper;
+import org.jackhuang.hmcl.util.platform.CommandBuilder;
+import org.jackhuang.hmcl.util.platform.JavaVersion;
+import org.jackhuang.hmcl.util.platform.ManagedProcess;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;
+import org.jackhuang.hmcl.util.platform.Platform;

 import java.io.*;
 import java.nio.file.Files;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/ExitWaiter.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/ExitWaiter.java
@@ -22,8 +22,8 @@ import org.jackhuang.hmcl.event.JVMLaunchFailedEvent;
 import org.jackhuang.hmcl.event.ProcessExitedAbnormallyEvent;
 import org.jackhuang.hmcl.event.ProcessStoppedEvent;
 import org.jackhuang.hmcl.util.Log4jLevel;
-import org.jackhuang.hmcl.util.ManagedProcess;
 import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.platform.ManagedProcess;

 import java.util.Collection;
 import java.util.List;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/Launcher.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/Launcher.java
@@ -21,7 +21,7 @@ import org.jackhuang.hmcl.auth.AuthInfo;
 import org.jackhuang.hmcl.game.GameRepository;
 import org.jackhuang.hmcl.game.LaunchOptions;
 import org.jackhuang.hmcl.game.Version;
-import org.jackhuang.hmcl.util.ManagedProcess;
+import org.jackhuang.hmcl.util.platform.ManagedProcess;

 import java.io.File;
 import java.io.IOException;
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/ProcessListener.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/ProcessListener.java
@@ -18,7 +18,7 @@
 package org.jackhuang.hmcl.launch;

 import org.jackhuang.hmcl.util.Log4jLevel;
-import org.jackhuang.hmcl.util.ManagedProcess;
+import org.jackhuang.hmcl.util.platform.ManagedProcess;

 /**
 *
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/StreamPump.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/StreamPump.java
@@ -17,13 +17,13 @@
 */
 package org.jackhuang.hmcl.launch;

-import org.jackhuang.hmcl.util.Constants;
 import org.jackhuang.hmcl.util.Logging;

 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.nio.charset.Charset;
 import java.util.function.Consumer;
 import java.util.logging.Level;

@@ -49,7 +49,7 @@ final class StreamPump implements Runnable {

    @Override
    public void run() {
-        try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream, Constants.SYSTEM_CHARSET))) {
+        try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream, Charset.defaultCharset()))) {
            String line;
            while ((line = bufferedReader.readLine()) != null) {
                if (Thread.currentThread().isInterrupted()) {
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/mod/CurseCompletionTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/mod/CurseCompletionTask.java
@@ -22,6 +22,9 @@ import org.jackhuang.hmcl.game.GameRepository;
 import org.jackhuang.hmcl.task.FileDownloadTask;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.File;
 import java.io.IOException;
@@ -74,7 +77,7 @@ public final class CurseCompletionTask extends Task {
            try {
                File manifestFile = new File(repository.getVersionRoot(version), "manifest.json");
                if (manifestFile.exists())
-                    this.manifest = Constants.GSON.fromJson(FileUtils.readText(manifestFile), CurseManifest.class);
+                    this.manifest = JsonUtils.GSON.fromJson(FileUtils.readText(manifestFile), CurseManifest.class);
            } catch (Exception e) {
                Logging.LOG.log(Level.WARNING, "Unable to read CurseForge modpack manifest.json", e);
            }
@@ -119,7 +122,7 @@ public final class CurseCompletionTask extends Task {
                                return file;
                        })
                        .collect(Collectors.toList()));
-        FileUtils.writeText(new File(root, "manifest.json"), Constants.GSON.toJson(newManifest));
+        FileUtils.writeText(new File(root, "manifest.json"), JsonUtils.GSON.toJson(newManifest));

        for (CurseManifestFile file : newManifest.getFiles())
            if (StringUtils.isNotBlank(file.getFileName())) {
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/mod/CurseInstallTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/mod/CurseInstallTask.java
@@ -23,8 +23,8 @@ import org.jackhuang.hmcl.download.DefaultDependencyManager;
 import org.jackhuang.hmcl.download.GameBuilder;
 import org.jackhuang.hmcl.game.DefaultGameRepository;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.FileUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.io.IOException;
@@ -83,7 +83,7 @@ public final class CurseInstallTask extends Task {
        ModpackConfiguration<CurseManifest> config = null;
        try {
            if (json.exists()) {
-                config = Constants.GSON.fromJson(FileUtils.readText(json), new TypeToken<ModpackConfiguration<CurseManifest>>() {
+                config = JsonUtils.GSON.fromJson(FileUtils.readText(json), new TypeToken<ModpackConfiguration<CurseManifest>>() {
                }.getType());

                if (!MODPACK_TYPE.equals(config.getType()))
@@ -92,7 +92,7 @@ public final class CurseInstallTask extends Task {
        } catch (JsonParseException | IOException ignore) {
        }
        this.config = config;
-        dependents.add(new ModpackInstallTask<>(zipFile, run, manifest.getOverrides(), Constants.truePredicate(), config));
+        dependents.add(new ModpackInstallTask<>(zipFile, run, manifest.getOverrides(), any -> true, config));
    }

    @Override
@@ -118,7 +118,7 @@ public final class CurseInstallTask extends Task {
            }

        File root = repository.getVersionRoot(name);
-        FileUtils.writeText(new File(root, "manifest.json"), Constants.GSON.toJson(manifest));
+        FileUtils.writeText(new File(root, "manifest.json"), JsonUtils.GSON.toJson(manifest));

        dependencies.add(new CurseCompletionTask(dependencyManager, name, manifest));
        dependencies.add(new MinecraftInstanceTask<>(zipFile, manifest.getOverrides(), manifest, MODPACK_TYPE, repository.getModpackConfiguration(name)));
--- a/Show More
+++ b/Show More