[O] Return jar file in UnloadBoundary

Author: hykilpikonna

src/main/java/org/hydev/mcpm/client/injector/PluginLoader.java

@@ -16,7 +16,10 @@
 import java.io.File;
 import java.io.IOException;
 import java.net.URLClassLoader;
-import java.util.*;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.SortedSet;
 
 import static org.hydev.mcpm.utils.ReflectionUtils.getPrivateField;
 import static org.hydev.mcpm.utils.ReflectionUtils.setPrivateField;
@@ -74,13 +77,14 @@ public boolean loadPlugin(File jar)
     }
 
     @Override
-    public void unloadPlugin(String name) throws PluginNotFoundException
+    public File unloadPlugin(String name) throws PluginNotFoundException
     {
         var pm = Bukkit.getPluginManager();
 
         // 1. Find plugin by name
         var plugin = Arrays.stream(pm.getPlugins()).filter(p -> p.getName().equalsIgnoreCase(name)).findFirst()
             .orElseThrow(() -> new PluginNotFoundException(name));
+        var jar = new File(plugin.getClass().getProtectionDomain().getCodeSource().getLocation().getPath());
 
         // 2. Unload plugin
         pm.disablePlugin(plugin);
@@ -127,6 +131,8 @@ public void unloadPlugin(String name) throws PluginNotFoundException
                 e.printStackTrace();
             }
         }
+
+        return jar;
     }
 
     @Override

src/main/java/org/hydev/mcpm/client/injector/UnloadBoundary.java

@@ -1,5 +1,7 @@
 package org.hydev.mcpm.client.injector;
 
+import java.io.File;
+
 /**
  * Interface for unloading a locally installed plugin.
  *
@@ -12,6 +14,8 @@ public interface UnloadBoundary
      * Dynamically unload a local plugin through JVM reflections and classloader hacks
      *
      * @param name Loaded plugin name
+     * @return Jar file
+     * @throws PluginNotFoundException If a loaded plugin of the name isn't found
      */
-    void unloadPlugin(String name) throws PluginNotFoundException;
+    File unloadPlugin(String name) throws PluginNotFoundException;
 }