[REFACTOR] Using Java 17

LauncherAPI/build.gradle

@@ -1,5 +1,5 @@
-sourceCompatibility = '1.8'
-targetCompatibility = '1.8'
+sourceCompatibility = '17'
+targetCompatibility = '17'
 
 dependencies {
     api project(':LauncherCore')
@@ -14,29 +14,10 @@ api project(':LauncherCore')
     }
 }
 
-sourceSets {
-    java11 {
-        java {
-            srcDirs = ['src/main/java11']
-        }
-        dependencies {
-            java11Implementation files(sourceSets.main.output.classesDirs) { builtBy compileJava }
-        }
-    }
-}
-
 jar {
-    into('META-INF/versions/11') {
-        from sourceSets.java11.output
-    }
     archiveClassifier.set('clean')
 }
 
-compileJava11Java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
-}
-
 tasks.register('sourcesJar', Jar) {
     from sourceSets.main.allJava
     archiveClassifier.set('sources')

LauncherClient/build.gradle

@@ -8,8 +8,8 @@
         url "https://repo.spring.io/plugins-release/"
     }
 }
-sourceCompatibility = '1.8'
-targetCompatibility = '1.8'
+sourceCompatibility = '17'
+targetCompatibility = '17'
 
 jar {
     archiveClassifier.set('clean')

LauncherCore/build.gradle

@@ -1,5 +1,5 @@
-sourceCompatibility = '1.8'
-targetCompatibility = '1.8'
+sourceCompatibility = '17'
+targetCompatibility = '17'
 
 dependencies {
     compileOnly group: 'org.fusesource.jansi', name: 'jansi', version: rootProject['verJansi']
@@ -21,28 +21,10 @@
         events "passed", "skipped", "failed"
     }
 }
-sourceSets {
-    java11 {
-        java {
-            srcDirs = ['src/main/java11']
-        }
-        dependencies {
-            java11Implementation group: 'com.google.code.gson', name: 'gson', version: rootProject['verGson']
-            java11Implementation files(sourceSets.main.output.classesDirs) { builtBy compileJava }
-        }
-    }
-}
 jar {
-    into('META-INF/versions/11') {
-        from sourceSets.java11.output
-    }
     archiveClassifier.set('clean')
     manifest.attributes("Multi-Release": "true")
 }
-compileJava11Java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
-}
 
 tasks.register('sourcesJar', Jar) {
     from sourceSets.main.allJava

LauncherCore/src/main/java/pro/gravit/utils/helper/JVMHelper.java

@@ -53,35 +53,12 @@ public static ARCH getArch(String arch) {
     }
 
     public static int getVersion() {
-        String version = System.getProperty("java.version");
-        if (version.startsWith("1.")) {
-            version = version.substring(2, 3);
-        } else {
-            int dot = version.indexOf(".");
-            if (dot != -1) {
-                version = version.substring(0, dot);
-            }
-        }
-        return Integer.parseInt(version);
+        //System.out.println("[DEBUG] JVMHelper 11 version");
+        return Runtime.version().feature();
     }
 
     public static int getBuild() {
-        String version = System.getProperty("java.version");
-        int dot;
-        if (version.startsWith("1.")) {
-            dot = version.indexOf("_");
-        } else {
-            dot = version.lastIndexOf(".");
-        }
-        if (dot != -1) {
-            version = version.substring(dot + 1);
-        }
-        try {
-            return Integer.parseInt(version);
-        } catch (NumberFormatException exception) {
-            return 0;
-        }
-
+        return Runtime.version().update();
     }
 
     public static String getNativeExtension(JVMHelper.OS OS_TYPE) {

LauncherCore/src/main/java/pro/gravit/utils/launch/ModuleLaunch.java

@@ -1,17 +1,323 @@
 package pro.gravit.utils.launch;
 
+import pro.gravit.utils.helper.HackHelper;
+import pro.gravit.utils.helper.IOHelper;
+import pro.gravit.utils.helper.JVMHelper;
+import pro.gravit.utils.helper.LogHelper;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.MethodType;
+import java.lang.module.Configuration;
+import java.lang.module.ModuleFinder;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URL;
+import java.net.URLClassLoader;
 import java.nio.file.Path;
-import java.util.Collection;
-import java.util.List;
+import java.nio.file.Paths;
+import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
 
 public class ModuleLaunch implements Launch {
+    private ModuleClassLoader moduleClassLoader;
+    private Configuration configuration;
+    private ModuleLayer.Controller controller;
+    private ModuleFinder moduleFinder;
+    private ModuleLayer layer;
+    private MethodHandles.Lookup hackLookup;
+    private boolean disablePackageDelegateSupport;
     @Override
     public ClassLoaderControl init(List<Path> files, String nativePath, LaunchOptions options) {
-        throw new UnsupportedOperationException("Please use Multi-Release JAR");
+        this.disablePackageDelegateSupport = options.disablePackageDelegateSupport;
+        moduleClassLoader = new ModuleClassLoader(files.stream().map((e) -> {
+            try {
+                return e.toUri().toURL();
+            } catch (MalformedURLException ex) {
+                throw new RuntimeException(ex);
+            }
+        }).toArray(URL[]::new), ClassLoader.getPlatformClassLoader());
+        moduleClassLoader.nativePath = nativePath;
+        {
+            if(options.enableHacks) {
+                hackLookup = HackHelper.createHackLookup(ModuleLaunch.class);
+            }
+            if(options.moduleConf != null) {
+                // Create Module Layer
+                moduleFinder = ModuleFinder.of(options.moduleConf.modulePath.stream().map(Paths::get).map(Path::toAbsolutePath).toArray(Path[]::new));
+                ModuleLayer bootLayer = ModuleLayer.boot();
+                if(options.moduleConf.modules.contains("ALL-MODULE-PATH")) {
+                    var set = moduleFinder.findAll();
+                    if(LogHelper.isDevEnabled()) {
+                        for(var m : set) {
+                            LogHelper.dev("Found module %s in %s", m.descriptor().name(), m.location().map(URI::toString).orElse("unknown"));
+                        }
+                        LogHelper.dev("Found %d modules", set.size());
+                    }
+                    for(var m : set) {
+                        options.moduleConf.modules.add(m.descriptor().name());
+                    }
+                    options.moduleConf.modules.remove("ALL-MODULE-PATH");
+                }
+                configuration = bootLayer.configuration()
+                        .resolveAndBind(moduleFinder, ModuleFinder.of(), options.moduleConf.modules);
+                controller = ModuleLayer.defineModulesWithOneLoader(configuration, List.of(bootLayer), moduleClassLoader);
+                layer = controller.layer();
+                // Configure exports / opens
+                for(var e : options.moduleConf.exports.entrySet()) {
+                    String[] split = e.getKey().split("/");
+                    String moduleName = split[0];
+                    String pkg = split[1];
+                    LogHelper.dev("Export module: %s package: %s to %s", moduleName, pkg, e.getValue());
+                    Module source = layer.findModule(split[0]).orElse(null);
+                    if(source == null) {
+                        throw new RuntimeException(String.format("Module %s not found", moduleName));
+                    }
+                    Module target = layer.findModule(e.getValue()).orElse(null);
+                    if(target == null) {
+                        throw new RuntimeException(String.format("Module %s not found", e.getValue()));
+                    }
+                    if(options.enableHacks && source.getLayer() != layer) {
+                        ModuleHacks.createController(hackLookup, source.getLayer()).addExports(source, pkg, target);
+                    } else {
+                        controller.addExports(source, pkg, target);
+                    }
+                }
+                for(var e : options.moduleConf.opens.entrySet()) {
+                    String[] split = e.getKey().split("/");
+                    String moduleName = split[0];
+                    String pkg = split[1];
+                    LogHelper.dev("Open module: %s package: %s to %s", moduleName, pkg, e.getValue());
+                    Module source = layer.findModule(split[0]).orElse(null);
+                    if(source == null) {
+                        throw new RuntimeException(String.format("Module %s not found", moduleName));
+                    }
+                    Module target = layer.findModule(e.getValue()).orElse(null);
+                    if(target == null) {
+                        throw new RuntimeException(String.format("Module %s not found", e.getValue()));
+                    }
+                    if(options.enableHacks && source.getLayer() != layer) {
+                        ModuleHacks.createController(hackLookup, source.getLayer()).addOpens(source, pkg, target);
+                    } else {
+                        controller.addOpens(source, pkg, target);
+                    }
+                }
+                for(var e : options.moduleConf.reads.entrySet()) {
+                    LogHelper.dev("Read module %s to %s", e.getKey(), e.getValue());
+                    Module source = layer.findModule(e.getKey()).orElse(null);
+                    if(source == null) {
+                        throw new RuntimeException(String.format("Module %s not found", e.getKey()));
+                    }
+                    Module target = layer.findModule(e.getValue()).orElse(null);
+                    if(target == null) {
+                        throw new RuntimeException(String.format("Module %s not found", e.getValue()));
+                    }
+                    if(options.enableHacks && source.getLayer() != layer) {
+                        ModuleHacks.createController(hackLookup, source.getLayer()).addReads(source, target);
+                    } else {
+                        controller.addReads(source, target);
+                    }
+                }
+                moduleClassLoader.initializeWithLayer(layer);
+            }
+        }
+        return moduleClassLoader.makeControl();
     }
 
     @Override
-    public void launch(String mainClass, String mainModule, Collection<String> args) throws Throwable {
-        throw new UnsupportedOperationException("Please use Multi-Release JAR");
+    public void launch(String mainClass, String mainModuleName, Collection<String> args) throws Throwable {
+        Thread.currentThread().setContextClassLoader(moduleClassLoader);
+        if(mainModuleName == null) {
+            Class<?> mainClazz = Class.forName(mainClass, true, moduleClassLoader);
+            MethodHandle mainMethod = MethodHandles.lookup().findStatic(mainClazz, "main", MethodType.methodType(void.class, String[].class)).asFixedArity();
+            JVMHelper.fullGC();
+            mainMethod.asFixedArity().invokeWithArguments((Object) args.toArray(new String[0]));
+            return;
+        }
+        Module mainModule = layer.findModule(mainModuleName).orElseThrow();
+        Module unnamed = ModuleLaunch.class.getClassLoader().getUnnamedModule();
+        if(unnamed != null) {
+            controller.addOpens(mainModule, getPackageFromClass(mainClass), unnamed);
+        }
+        // Start main class
+        ClassLoader loader = mainModule.getClassLoader();
+        Class<?> mainClazz = Class.forName(mainClass, true, loader);
+        MethodHandle mainMethod = MethodHandles.lookup().findStatic(mainClazz, "main", MethodType.methodType(void.class, String[].class));
+        mainMethod.asFixedArity().invokeWithArguments((Object) args.toArray(new String[0]));
+    }
+
+    private static String getPackageFromClass(String clazz) {
+        int index = clazz.lastIndexOf(".");
+        if(index >= 0) {
+            return clazz.substring(0, index);
+        }
+        return clazz;
+    }
+
+    private class ModuleClassLoader extends URLClassLoader {
+        private final ClassLoader SYSTEM_CLASS_LOADER = ClassLoader.getSystemClassLoader();
+        private final List<ClassLoaderControl.ClassTransformer> transformers = new ArrayList<>();
+        private final Map<String, Class<?>> classMap = new ConcurrentHashMap<>();
+        private final Map<String, Module> packageToModule = new HashMap<>();
+        private String nativePath;
+
+        private final List<String> packages = new ArrayList<>();
+        public ModuleClassLoader(URL[] urls, ClassLoader parent) {
+            super("LAUNCHER", urls, parent);
+            packages.add("pro.gravit.launcher.");
+            packages.add("pro.gravit.utils.");
+        }
+
+        private void initializeWithLayer(ModuleLayer layer) {
+            for(var m : layer.modules()) {
+                for(var p : m.getPackages()) {
+                    packageToModule.put(p, m);
+                }
+            }
+        }
+
+        @Override
+        protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
+            if(name != null && !disablePackageDelegateSupport) {
+                for(String pkg : packages) {
+                    if(name.startsWith(pkg)) {
+                        return SYSTEM_CLASS_LOADER.loadClass(name);
+                    }
+                }
+            }
+            return super.loadClass(name, resolve);
+        }
+
+        @Override
+        protected Class<?> findClass(String name) throws ClassNotFoundException {
+            var clazz = findClass(null, name);
+            if(clazz == null) {
+                throw new ClassNotFoundException(name);
+            }
+            return clazz;
+        }
+
+        @Override
+        protected Class<?> findClass(String moduleName, String name) {
+            Class<?> clazz;
+            {
+                clazz = classMap.get(name);
+                if(clazz != null) {
+                    return clazz;
+                }
+            }
+            if(name != null && !transformers.isEmpty()) {
+                boolean needTransform = false;
+                for(ClassLoaderControl.ClassTransformer t : transformers) {
+                    if(t.filter(moduleName, name)) {
+                        needTransform = true;
+                        break;
+                    }
+                }
+                if(needTransform) {
+                    String rawClassName = name.replace(".", "/").concat(".class");
+                    try(InputStream input = getResourceAsStream(rawClassName)) {
+                        byte[] bytes = IOHelper.read(input);
+                        for(ClassLoaderControl.ClassTransformer t : transformers) {
+                            bytes = t.transform(moduleName, name, null, bytes);
+                        }
+                        clazz = defineClass(name, bytes, 0, bytes.length);
+                    } catch (IOException e) {
+                        return null;
+                    }
+                }
+            }
+            if(clazz == null && layer != null && name != null) {
+                var pkg = getPackageFromClass(name);
+                var module = packageToModule.get(pkg);
+                if(module != null) {
+                    try {
+                        clazz = module.getClassLoader().loadClass(name);
+                    } catch (ClassNotFoundException e) {
+                        return null;
+                    }
+                }
+            }
+            if(clazz == null) {
+                try {
+                    clazz = super.findClass(name);
+                } catch (ClassNotFoundException e) {
+                    return null;
+                }
+            }
+            if(clazz != null) {
+                classMap.put(name, clazz);
+                return clazz;
+            } else {
+                return null;
+            }
+        }
+
+        @Override
+        public String findLibrary(String name) {
+            return nativePath.concat(IOHelper.PLATFORM_SEPARATOR).concat(JVMHelper.NATIVE_PREFIX).concat(name).concat(JVMHelper.NATIVE_EXTENSION);
+        }
+
+        public void addAllowedPackage(String pkg) {
+            packages.add(pkg);
+        }
+
+        private ModuleClassLoaderControl makeControl() {
+            return new ModuleClassLoaderControl();
+        }
+
+        private class ModuleClassLoaderControl implements ClassLoaderControl {
+
+            @Override
+            public void addLauncherPackage(String prefix) {
+                addAllowedPackage(prefix);
+            }
+
+            @Override
+            public void addTransformer(ClassTransformer transformer) {
+                transformers.add(transformer);
+            }
+
+            @Override
+            public void addURL(URL url) {
+                ModuleClassLoader.this.addURL(url);
+            }
+
+            @Override
+            public void addJar(Path path) {
+                try {
+                    ModuleClassLoader.this.addURL(path.toUri().toURL());
+                } catch (MalformedURLException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+
+            @Override
+            public URL[] getURLs() {
+                return ModuleClassLoader.this.getURLs();
+            }
+
+            @Override
+            public Class<?> getClass(String name) throws ClassNotFoundException {
+                return Class.forName(name, false, ModuleClassLoader.this);
+            }
+
+            @Override
+            public ClassLoader getClassLoader() {
+                return ModuleClassLoader.this;
+            }
+
+            @Override
+            public Object getJava9ModuleController() {
+                return controller;
+            }
+
+            @Override
+            public MethodHandles.Lookup getHackLookup() {
+                return hackLookup;
+            }
+        }
     }
 }

LauncherCore/src/main/java11/pro/gravit/utils/helper/JVMHelper.java

@@ -1,213 +0,0 @@
-package pro.gravit.utils.helper;
-
-import java.io.File;
-import java.lang.invoke.MethodHandles;
-import java.lang.management.ManagementFactory;
-import java.lang.management.OperatingSystemMXBean;
-import java.lang.management.RuntimeMXBean;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.security.cert.X509Certificate;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Locale;
-import java.util.Map;
-
-public final class JVMHelper {
-
-    // MXBeans exports
-    public static final RuntimeMXBean RUNTIME_MXBEAN = ManagementFactory.getRuntimeMXBean();
-    public static final OperatingSystemMXBean OPERATING_SYSTEM_MXBEAN =
-            ManagementFactory.getOperatingSystemMXBean();
-    public static final OS OS_TYPE = OS.byName(OPERATING_SYSTEM_MXBEAN.getName());
-    public static final int OS_BITS = getCorrectOSArch();
-    // System properties
-    public static final String OS_VERSION = OPERATING_SYSTEM_MXBEAN.getVersion();
-    public static final ARCH ARCH_TYPE = getArch(System.getProperty("os.arch"));
-    public static final String NATIVE_EXTENSION = getNativeExtension(OS_TYPE);
-    public static final String NATIVE_PREFIX = getNativePrefix(OS_TYPE);
-    public static final int JVM_BITS = Integer.parseInt(System.getProperty("sun.arch.data.model"));
-    // Public static fields
-    public static final Runtime RUNTIME = Runtime.getRuntime();
-    public static final ClassLoader LOADER = ClassLoader.getSystemClassLoader();
-    public static final int JVM_VERSION = getVersion();
-    public static final int JVM_BUILD = getBuild();
-
-    static {
-        try {
-            MethodHandles.publicLookup(); // Just to initialize class
-        } catch (Throwable exc) {
-            throw new InternalError(exc);
-        }
-    }
-
-    private JVMHelper() {
-    }
-
-    public static ARCH getArch(String arch) {
-        if (arch.equals("amd64") || arch.equals("x86-64") || arch.equals("x86_64")) return ARCH.X86_64;
-        if (arch.equals("i386") || arch.equals("i686") || arch.equals("x86")) return ARCH.X86;
-        if (arch.startsWith("armv8") || arch.startsWith("aarch64")) return ARCH.ARM64;
-        if (arch.startsWith("arm") || arch.startsWith("aarch32")) return ARCH.ARM32;
-        throw new InternalError(String.format("Unsupported arch '%s'", arch));
-    }
-
-    public static int getVersion() {
-        //System.out.println("[DEBUG] JVMHelper 11 version");
-        return Runtime.version().feature();
-    }
-
-    public static int getBuild() {
-        return Runtime.version().update();
-    }
-
-    public static String getNativeExtension(JVMHelper.OS OS_TYPE) {
-        switch (OS_TYPE) {
-            case MUSTDIE:
-                return ".dll";
-            case LINUX:
-                return ".so";
-            case MACOSX:
-                return ".dylib";
-            default:
-                throw new InternalError(String.format("Unsupported OS TYPE '%s'", OS_TYPE));
-        }
-    }
-
-    public static String getNativePrefix(JVMHelper.OS OS_TYPE) {
-        switch (OS_TYPE) {
-            case LINUX:
-            case MACOSX:
-                return "lib";
-            default:
-                return "";
-        }
-    }
-
-    public static void appendVars(ProcessBuilder builder, Map<String, String> vars) {
-        builder.environment().putAll(vars);
-    }
-
-    public static Class<?> firstClass(String... names) throws ClassNotFoundException {
-        for (String name : names)
-            try {
-                return Class.forName(name, false, LOADER);
-            } catch (ClassNotFoundException ignored) {
-                // Expected
-            }
-        throw new ClassNotFoundException(Arrays.toString(names));
-    }
-
-    public static void fullGC() {
-        RUNTIME.gc();
-        LogHelper.debug("Used heap: %d MiB", RUNTIME.totalMemory() - RUNTIME.freeMemory() >> 20);
-    }
-
-    public static String[] getClassPath() {
-        return System.getProperty("java.class.path").split(File.pathSeparator);
-    }
-
-    public static URL[] getClassPathURL() {
-        String[] cp = System.getProperty("java.class.path").split(File.pathSeparator);
-        URL[] list = new URL[cp.length];
-
-        for (int i = 0; i < cp.length; i++) {
-            URL url = null;
-            try {
-                url = new URL(cp[i]);
-            } catch (MalformedURLException e) {
-                e.printStackTrace();
-            }
-            list[i] = url;
-        }
-        return list;
-    }
-
-    public static X509Certificate[] getCertificates(Class<?> clazz) {
-        Object[] signers = clazz.getSigners();
-        if (signers == null) return null;
-        return Arrays.stream(signers).filter((c) -> c instanceof X509Certificate).map((c) -> (X509Certificate) c).toArray(X509Certificate[]::new);
-    }
-
-    public static void checkStackTrace(Class<?> mainClass) {
-        LogHelper.debug("Testing stacktrace");
-        Exception e = new Exception("Testing stacktrace");
-        StackTraceElement[] list = e.getStackTrace();
-        if (!list[list.length - 1].getClassName().equals(mainClass.getName())) {
-            throw new SecurityException(String.format("Invalid StackTraceElement: %s", list[list.length - 1].getClassName()));
-        }
-    }
-
-    private static int getCorrectOSArch() {
-        // As always, mustdie must die
-        if (OS_TYPE == OS.MUSTDIE)
-            return System.getenv("ProgramFiles(x86)") == null ? 32 : 64;
-
-        // Or trust system property (maybe incorrect)
-        return System.getProperty("os.arch").contains("64") ? 64 : 32;
-    }
-
-    public static String getEnvPropertyCaseSensitive(String name) {
-        return System.getenv().get(name);
-    }
-
-    public static boolean isJVMMatchesSystemArch() {
-        return JVM_BITS == OS_BITS;
-    }
-
-    public static String jvmProperty(String name, String value) {
-        return String.format("-D%s=%s", name, value);
-    }
-
-    public static String systemToJvmProperty(String name) {
-        return String.format("-D%s=%s", name, System.getProperties().getProperty(name));
-    }
-
-    public static void addSystemPropertyToArgs(Collection<String> args, String name) {
-        String property = System.getProperty(name);
-        if (property != null)
-            args.add(String.format("-D%s=%s", name, property));
-    }
-
-    public static void verifySystemProperties(Class<?> mainClass, boolean requireSystem) {
-        Locale.setDefault(Locale.US);
-        // Verify class loader
-        LogHelper.debug("Verifying class loader");
-        if (requireSystem && !mainClass.getClassLoader().equals(LOADER))
-            throw new SecurityException("ClassLoader should be system");
-
-        // Verify system and java architecture
-        LogHelper.debug("Verifying JVM architecture");
-    }
-
-    public enum ARCH {
-        X86("x86"), X86_64("x86-64"), ARM64("arm64"), ARM32("arm32");
-
-        public final String name;
-
-        ARCH(String name) {
-            this.name = name;
-        }
-    }
-
-    public enum OS {
-        MUSTDIE("mustdie"), LINUX("linux"), MACOSX("macosx");
-
-        public final String name;
-
-        OS(String name) {
-            this.name = name;
-        }
-
-        public static OS byName(String name) {
-            if (name.startsWith("Windows"))
-                return MUSTDIE;
-            if (name.startsWith("Linux"))
-                return LINUX;
-            if (name.startsWith("Mac OS X"))
-                return MACOSX;
-            throw new RuntimeException(String.format("This shit is not yet supported: '%s'", name));
-        }
-    }
-
-}

LauncherCore/src/main/java11/pro/gravit/utils/launch/ModuleLaunch.java

@@ -1,323 +0,0 @@
-package pro.gravit.utils.launch;
-
-import pro.gravit.utils.helper.HackHelper;
-import pro.gravit.utils.helper.IOHelper;
-import pro.gravit.utils.helper.JVMHelper;
-import pro.gravit.utils.helper.LogHelper;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.lang.invoke.MethodHandle;
-import java.lang.invoke.MethodHandles;
-import java.lang.invoke.MethodType;
-import java.lang.module.Configuration;
-import java.lang.module.ModuleFinder;
-import java.net.MalformedURLException;
-import java.net.URI;
-import java.net.URL;
-import java.net.URLClassLoader;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.*;
-import java.util.concurrent.ConcurrentHashMap;
-
-public class ModuleLaunch implements Launch {
-    private ModuleClassLoader moduleClassLoader;
-    private Configuration configuration;
-    private ModuleLayer.Controller controller;
-    private ModuleFinder moduleFinder;
-    private ModuleLayer layer;
-    private MethodHandles.Lookup hackLookup;
-    private boolean disablePackageDelegateSupport;
-    @Override
-    public ClassLoaderControl init(List<Path> files, String nativePath, LaunchOptions options) {
-        this.disablePackageDelegateSupport = options.disablePackageDelegateSupport;
-        moduleClassLoader = new ModuleClassLoader(files.stream().map((e) -> {
-            try {
-                return e.toUri().toURL();
-            } catch (MalformedURLException ex) {
-                throw new RuntimeException(ex);
-            }
-        }).toArray(URL[]::new), ClassLoader.getPlatformClassLoader());
-        moduleClassLoader.nativePath = nativePath;
-        {
-            if(options.enableHacks) {
-                hackLookup = HackHelper.createHackLookup(ModuleLaunch.class);
-            }
-            if(options.moduleConf != null) {
-                // Create Module Layer
-                moduleFinder = ModuleFinder.of(options.moduleConf.modulePath.stream().map(Paths::get).map(Path::toAbsolutePath).toArray(Path[]::new));
-                ModuleLayer bootLayer = ModuleLayer.boot();
-                if(options.moduleConf.modules.contains("ALL-MODULE-PATH")) {
-                    var set = moduleFinder.findAll();
-                    if(LogHelper.isDevEnabled()) {
-                        for(var m : set) {
-                            LogHelper.dev("Found module %s in %s", m.descriptor().name(), m.location().map(URI::toString).orElse("unknown"));
-                        }
-                        LogHelper.dev("Found %d modules", set.size());
-                    }
-                    for(var m : set) {
-                        options.moduleConf.modules.add(m.descriptor().name());
-                    }
-                    options.moduleConf.modules.remove("ALL-MODULE-PATH");
-                }
-                configuration = bootLayer.configuration()
-                        .resolveAndBind(moduleFinder, ModuleFinder.of(), options.moduleConf.modules);
-                controller = ModuleLayer.defineModulesWithOneLoader(configuration, List.of(bootLayer), moduleClassLoader);
-                layer = controller.layer();
-                // Configure exports / opens
-                for(var e : options.moduleConf.exports.entrySet()) {
-                    String[] split = e.getKey().split("/");
-                    String moduleName = split[0];
-                    String pkg = split[1];
-                    LogHelper.dev("Export module: %s package: %s to %s", moduleName, pkg, e.getValue());
-                    Module source = layer.findModule(split[0]).orElse(null);
-                    if(source == null) {
-                        throw new RuntimeException(String.format("Module %s not found", moduleName));
-                    }
-                    Module target = layer.findModule(e.getValue()).orElse(null);
-                    if(target == null) {
-                        throw new RuntimeException(String.format("Module %s not found", e.getValue()));
-                    }
-                    if(options.enableHacks && source.getLayer() != layer) {
-                        ModuleHacks.createController(hackLookup, source.getLayer()).addExports(source, pkg, target);
-                    } else {
-                        controller.addExports(source, pkg, target);
-                    }
-                }
-                for(var e : options.moduleConf.opens.entrySet()) {
-                    String[] split = e.getKey().split("/");
-                    String moduleName = split[0];
-                    String pkg = split[1];
-                    LogHelper.dev("Open module: %s package: %s to %s", moduleName, pkg, e.getValue());
-                    Module source = layer.findModule(split[0]).orElse(null);
-                    if(source == null) {
-                        throw new RuntimeException(String.format("Module %s not found", moduleName));
-                    }
-                    Module target = layer.findModule(e.getValue()).orElse(null);
-                    if(target == null) {
-                        throw new RuntimeException(String.format("Module %s not found", e.getValue()));
-                    }
-                    if(options.enableHacks && source.getLayer() != layer) {
-                        ModuleHacks.createController(hackLookup, source.getLayer()).addOpens(source, pkg, target);
-                    } else {
-                        controller.addOpens(source, pkg, target);
-                    }
-                }
-                for(var e : options.moduleConf.reads.entrySet()) {
-                    LogHelper.dev("Read module %s to %s", e.getKey(), e.getValue());
-                    Module source = layer.findModule(e.getKey()).orElse(null);
-                    if(source == null) {
-                        throw new RuntimeException(String.format("Module %s not found", e.getKey()));
-                    }
-                    Module target = layer.findModule(e.getValue()).orElse(null);
-                    if(target == null) {
-                        throw new RuntimeException(String.format("Module %s not found", e.getValue()));
-                    }
-                    if(options.enableHacks && source.getLayer() != layer) {
-                        ModuleHacks.createController(hackLookup, source.getLayer()).addReads(source, target);
-                    } else {
-                        controller.addReads(source, target);
-                    }
-                }
-                moduleClassLoader.initializeWithLayer(layer);
-            }
-        }
-        return moduleClassLoader.makeControl();
-    }
-
-    @Override
-    public void launch(String mainClass, String mainModuleName, Collection<String> args) throws Throwable {
-        Thread.currentThread().setContextClassLoader(moduleClassLoader);
-        if(mainModuleName == null) {
-            Class<?> mainClazz = Class.forName(mainClass, true, moduleClassLoader);
-            MethodHandle mainMethod = MethodHandles.lookup().findStatic(mainClazz, "main", MethodType.methodType(void.class, String[].class)).asFixedArity();
-            JVMHelper.fullGC();
-            mainMethod.asFixedArity().invokeWithArguments((Object) args.toArray(new String[0]));
-            return;
-        }
-        Module mainModule = layer.findModule(mainModuleName).orElseThrow();
-        Module unnamed = ModuleLaunch.class.getClassLoader().getUnnamedModule();
-        if(unnamed != null) {
-            controller.addOpens(mainModule, getPackageFromClass(mainClass), unnamed);
-        }
-        // Start main class
-        ClassLoader loader = mainModule.getClassLoader();
-        Class<?> mainClazz = Class.forName(mainClass, true, loader);
-        MethodHandle mainMethod = MethodHandles.lookup().findStatic(mainClazz, "main", MethodType.methodType(void.class, String[].class));
-        mainMethod.asFixedArity().invokeWithArguments((Object) args.toArray(new String[0]));
-    }
-
-    private static String getPackageFromClass(String clazz) {
-        int index = clazz.lastIndexOf(".");
-        if(index >= 0) {
-            return clazz.substring(0, index);
-        }
-        return clazz;
-    }
-
-    private class ModuleClassLoader extends URLClassLoader {
-        private final ClassLoader SYSTEM_CLASS_LOADER = ClassLoader.getSystemClassLoader();
-        private final List<ClassLoaderControl.ClassTransformer> transformers = new ArrayList<>();
-        private final Map<String, Class<?>> classMap = new ConcurrentHashMap<>();
-        private final Map<String, Module> packageToModule = new HashMap<>();
-        private String nativePath;
-
-        private final List<String> packages = new ArrayList<>();
-        public ModuleClassLoader(URL[] urls, ClassLoader parent) {
-            super("LAUNCHER", urls, parent);
-            packages.add("pro.gravit.launcher.");
-            packages.add("pro.gravit.utils.");
-        }
-
-        private void initializeWithLayer(ModuleLayer layer) {
-            for(var m : layer.modules()) {
-                for(var p : m.getPackages()) {
-                    packageToModule.put(p, m);
-                }
-            }
-        }
-
-        @Override
-        protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
-            if(name != null && !disablePackageDelegateSupport) {
-                for(String pkg : packages) {
-                    if(name.startsWith(pkg)) {
-                        return SYSTEM_CLASS_LOADER.loadClass(name);
-                    }
-                }
-            }
-            return super.loadClass(name, resolve);
-        }
-
-        @Override
-        protected Class<?> findClass(String name) throws ClassNotFoundException {
-            var clazz = findClass(null, name);
-            if(clazz == null) {
-                throw new ClassNotFoundException(name);
-            }
-            return clazz;
-        }
-
-        @Override
-        protected Class<?> findClass(String moduleName, String name) {
-            Class<?> clazz;
-            {
-                clazz = classMap.get(name);
-                if(clazz != null) {
-                    return clazz;
-                }
-            }
-            if(name != null && !transformers.isEmpty()) {
-                boolean needTransform = false;
-                for(ClassLoaderControl.ClassTransformer t : transformers) {
-                    if(t.filter(moduleName, name)) {
-                        needTransform = true;
-                        break;
-                    }
-                }
-                if(needTransform) {
-                    String rawClassName = name.replace(".", "/").concat(".class");
-                    try(InputStream input = getResourceAsStream(rawClassName)) {
-                        byte[] bytes = IOHelper.read(input);
-                        for(ClassLoaderControl.ClassTransformer t : transformers) {
-                            bytes = t.transform(moduleName, name, null, bytes);
-                        }
-                        clazz = defineClass(name, bytes, 0, bytes.length);
-                    } catch (IOException e) {
-                        return null;
-                    }
-                }
-            }
-            if(clazz == null && layer != null && name != null) {
-                var pkg = getPackageFromClass(name);
-                var module = packageToModule.get(pkg);
-                if(module != null) {
-                    try {
-                        clazz = module.getClassLoader().loadClass(name);
-                    } catch (ClassNotFoundException e) {
-                        return null;
-                    }
-                }
-            }
-            if(clazz == null) {
-                try {
-                    clazz = super.findClass(name);
-                } catch (ClassNotFoundException e) {
-                    return null;
-                }
-            }
-            if(clazz != null) {
-                classMap.put(name, clazz);
-                return clazz;
-            } else {
-                return null;
-            }
-        }
-
-        @Override
-        public String findLibrary(String name) {
-            return nativePath.concat(IOHelper.PLATFORM_SEPARATOR).concat(JVMHelper.NATIVE_PREFIX).concat(name).concat(JVMHelper.NATIVE_EXTENSION);
-        }
-
-        public void addAllowedPackage(String pkg) {
-            packages.add(pkg);
-        }
-
-        private ModuleClassLoaderControl makeControl() {
-            return new ModuleClassLoaderControl();
-        }
-
-        private class ModuleClassLoaderControl implements ClassLoaderControl {
-
-            @Override
-            public void addLauncherPackage(String prefix) {
-                addAllowedPackage(prefix);
-            }
-
-            @Override
-            public void addTransformer(ClassTransformer transformer) {
-                transformers.add(transformer);
-            }
-
-            @Override
-            public void addURL(URL url) {
-                ModuleClassLoader.this.addURL(url);
-            }
-
-            @Override
-            public void addJar(Path path) {
-                try {
-                    ModuleClassLoader.this.addURL(path.toUri().toURL());
-                } catch (MalformedURLException e) {
-                    throw new RuntimeException(e);
-                }
-            }
-
-            @Override
-            public URL[] getURLs() {
-                return ModuleClassLoader.this.getURLs();
-            }
-
-            @Override
-            public Class<?> getClass(String name) throws ClassNotFoundException {
-                return Class.forName(name, false, ModuleClassLoader.this);
-            }
-
-            @Override
-            public ClassLoader getClassLoader() {
-                return ModuleClassLoader.this;
-            }
-
-            @Override
-            public Object getJava9ModuleController() {
-                return controller;
-            }
-
-            @Override
-            public MethodHandles.Lookup getHackLookup() {
-                return hackLookup;
-            }
-        }
-    }
-}

LauncherStart/build.gradle

@@ -8,8 +8,8 @@
         url "https://repo.spring.io/plugins-release/"
     }
 }
-sourceCompatibility = '1.8'
-targetCompatibility = '1.8'
+sourceCompatibility = '17'
+targetCompatibility = '17'
 
 jar {
     archiveClassifier.set('clean')

ServerWrapper/build.gradle

@@ -14,30 +14,10 @@
     }
 }
 
-sourceSets {
-    java11 {
-        java {
-            srcDirs = ['src/main/java11']
-        }
-        dependencies {
-            java11Implementation project(':LauncherAPI')
-            java11Implementation files(sourceSets.main.output.classesDirs) { builtBy compileJava }
-        }
-    }
-}
-
-sourceCompatibility = '1.8'
-targetCompatibility = '1.8'
-
-compileJava11Java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
-}
+sourceCompatibility = '17'
+targetCompatibility = '17'
 
 jar {
-    into('META-INF/versions/11') {
-        from sourceSets.java11.output
-    }
     archiveClassifier.set('clean')
     manifest.attributes("Main-Class": mainClassName,
             "Premain-Class": mainAgentName,