Attempted new Bootstrap

Author: RealMangorage

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

@@ -1,6 +1,7 @@
 package org.mangorage.bootstrap;
 
 import java.io.File;
+import java.io.IOException;
 import java.lang.reflect.Method;
 import java.net.MalformedURLException;
 import java.net.URL;
@@ -9,7 +10,7 @@
 import java.util.List;
 
 public class Bootstrap {
-    public static void main(final String[] args) {
+    public static void main(final String[] args) throws IOException {
 
         if (args.length > 0) {
             if (args[0].contains("--useModules")) {

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

@@ -0,0 +1,76 @@
+package org.mangorage.bootstrap;
+
+import java.io.File;
+import java.io.IOException;
+import java.lang.module.ModuleFinder;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.jar.JarFile;
+import java.util.zip.ZipEntry;
+
+public class LibraryHandler {
+
+    public static void handle() throws IOException {
+        Path source = Paths.get("libraries");
+        Path target = Paths.get("sortedLibraries");
+
+        if (Files.exists(target)) {
+            deleteDirectory(target);
+        }
+
+        Files.createDirectories(target);
+
+        Map<String, Path> seenModules = new HashMap<>();
+
+        try (DirectoryStream<Path> stream = Files.newDirectoryStream(source, "*.jar")) {
+            for (Path jar : stream) {
+                String moduleName = resolveModuleName(jar);
+                if (moduleName == null) {
+                    System.out.println("Skipping non-module JAR: " + jar);
+                    continue;
+                }
+
+                if (!seenModules.containsKey(moduleName)) {
+                    Path dest = target.resolve(jar.getFileName());
+                    Files.copy(jar, dest, StandardCopyOption.REPLACE_EXISTING);
+                    seenModules.put(moduleName, jar);
+                    System.out.println("Added module: " + moduleName);
+                } else {
+                    System.out.println("Duplicate module ignored: " + moduleName + " from " + jar);
+                }
+            }
+        }
+
+        System.out.println("Finished deduplicating modules. Result at: " + target);
+    }
+
+    private static void deleteDirectory(Path dir) throws IOException {
+        Files.walk(dir)
+                .sorted(Comparator.reverseOrder())
+                .map(Path::toFile)
+                .forEach(File::delete);
+    }
+
+    private static String resolveModuleName(Path jarPath) {
+        try (JarFile jarFile = new JarFile(jarPath.toFile())) {
+            ZipEntry entry = jarFile.getEntry("module-info.class");
+            if (entry != null) {
+                // This is a proper JPMS module JAR
+                return ModuleFinder.of(jarPath).findAll().iterator().next().descriptor().name();
+            } else {
+                // Fall back to heuristic based on filename (best effort)
+                String filename = jarPath.getFileName().toString();
+                return filename.replaceAll("-[\\d\\.]+.*\\.jar$", "").replaceAll("\\.jar$", "");
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+}

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

@@ -1,24 +1,28 @@
 package org.mangorage.bootstrap;
 
 import java.io.File;
+import java.io.IOException;
 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.nio.file.Paths;
 import java.util.Set;
 
 import static org.mangorage.bootstrap.Bootstrap.fetchJars;
 
 public final class Test {
-    public static void main(String[] args) {
+    public static void main(String[] args) throws IOException {
         try {
             System.out.println("you have 15 seconds!");
             Thread.sleep(15_000);
 
         } catch (Throwable ignored) {}
 
-        Path libsPath = Path.of("libraries");
+        LibraryHandler.handle();
+
+        Path libsPath = Path.of("sortedLibraries");
         Path pluginsPath = Path.of("plugins");
 
         ModuleFinder plugins = ModuleFinder.of(pluginsPath);