Attempted new Bootstrap

Author: RealMangorage

src/main/java/org/mangorage/bootstrap/Bootstrap.java

@@ -10,6 +10,14 @@
 
 public class Bootstrap {
     public static void main(final String[] args) {
+
+        if (args.length > 0) {
+            if (args[0].contains("--useModules")) {
+                Test.main(args);
+                return;
+            }
+        }
+
         URLClassLoader CL_libraries = new URLClassLoader(fetchJars(new File[]{new File("libraries")}), Thread.currentThread().getContextClassLoader().getParent());
         URLClassLoader cl = new URLClassLoader(fetchJars(new File[]{new File("plugins")}), CL_libraries);
         Thread.currentThread().setContextClassLoader(cl);

src/main/java/org/mangorage/bootstrap/Test.java

@@ -0,0 +1,59 @@
+package org.mangorage.bootstrap;
+
+import java.io.File;
+import java.lang.module.Configuration;
+import java.lang.module.ModuleFinder;
+import java.lang.reflect.Method;
+import java.net.URLClassLoader;
+import java.nio.file.Path;
+import java.util.stream.Collectors;
+
+import static org.mangorage.bootstrap.Bootstrap.fetchJars;
+
+public final class Test {
+    public static void main(String[] args) {
+        Path libsPath = Path.of("libraries");
+        Path pluginsPath = Path.of("plugins");
+
+        ModuleFinder plugins = ModuleFinder.of(pluginsPath);
+
+        ModuleFinder finder = ModuleFinder.of(libsPath, pluginsPath);
+
+        Configuration cfg = ModuleLayer.boot()
+                .configuration()
+                .resolve(
+                        finder,
+                        ModuleFinder.of(),
+                        plugins.findAll()
+                                .stream()
+                                .map(ref -> ref.descriptor().name())
+                                .toList()
+                );
+
+
+        URLClassLoader CL_libraries = new URLClassLoader(fetchJars(new File[]{new File("libraries")}), Thread.currentThread().getContextClassLoader().getParent());
+        URLClassLoader cl = new URLClassLoader(fetchJars(new File[]{new File("plugins")}), CL_libraries);
+        Thread.currentThread().setContextClassLoader(cl);
+
+        var layer = ModuleLayer.boot().defineModulesWithOneLoader(cfg, cl);
+        callMain("org.mangorage.entrypoint.MangoBotCore", args, cl, layer);
+    }
+
+    public static void callMain(String className, String[] args, ClassLoader classLoader, ModuleLayer moduleLayer) {
+        try {
+            Class<?> clazz = Class.forName(moduleLayer.findModule("org.mangorage.mangobotcore").get(), className);
+            Method mainMethod = clazz.getMethod("main", String[].class);
+
+            // Make sure it's static and public
+            if (!java.lang.reflect.Modifier.isStatic(mainMethod.getModifiers())) {
+                throw new IllegalStateException("Main method is not static, are you high?");
+            }
+
+            // Invoke the main method with a godawful cast
+            mainMethod.invoke(null, (Object) args);
+        } catch (Exception e) {
+            e.printStackTrace();
+            throw new RuntimeException("Couldn't reflectively call main because something exploded.", e);
+        }
+    }
+}