Initial commit

1 files changed, 31 insertions, 0 deletions

diff --git a/src/main/java/moe/nea/modernjava/launch/util/ClassLoaderManipulations.java b/src/main/java/moe/nea/modernjava/launch/util/ClassLoaderManipulations.java
new file mode 100644
index 0000000..09f2368
--- /dev/null
+++ b/src/main/java/moe/nea/modernjava/launch/util/ClassLoaderManipulations.java
@@ -0,0 +1,31 @@
+package moe.nea.modernjava.launch.util;
+
+import net.minecraft.launchwrapper.Launch;
+
+import java.io.File;
+import java.lang.reflect.Method;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+public class ClassLoaderManipulations {
+
+    public static void addToParentClassLoader(File file) {
+        try {
+            addToParentClassLoader(file.toURI().toURL());
+        } catch (MalformedURLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static void addToParentClassLoader(URL file) {
+        try {
+            Launch.classLoader.addURL(file);
+            ClassLoader parentClassLoader = Launch.classLoader.getClass().getClassLoader();
+            Method addUrl = parentClassLoader.getClass().getDeclaredMethod("addURL", URL.class);
+            addUrl.setAccessible(true);
+            addUrl.invoke(parentClassLoader, file);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+}