Feat: add support copy resource packs and behavior packs

Author: Reider745

src/main/java/com/reider745/hooks/RhinoOverrides.java

@@ -2,6 +2,8 @@
 
 import cn.nukkit.utils.MainLogger;
 import com.reider745.api.ReflectHelper;
+import com.reider745.api.hooks.annotation.ShadowGetField;
+import com.reider745.api.hooks.annotation.ShadowSetField;
 import javassist.CannotCompileException;
 import javassist.CtClass;
 import javassist.CtMethod;
@@ -96,9 +98,17 @@ static boolean testIfCanLoadRhinoClasses(ClassLoader loader) {
         return true;
     }
 
+    @ShadowGetField(className = "org.mozilla.javascript.Context", field = "applicationClassLoader")
+    public static ClassLoader getApplicationClassLoaderField(Context self) {
+        return null;
+    }
+
+    @ShadowSetField(className = "org.mozilla.javascript.Context", field = "applicationClassLoader")
+    public static void setApplicationClassLoaderField(Context self, ClassLoader loader) {}
+
     @Inject(className = "org.mozilla.javascript.Context")
     public static ClassLoader getApplicationClassLoader(Context self) throws ClassNotFoundException {
-        ClassLoader applicationClassLoader = ReflectHelper.getField(self, "applicationClassLoader");
+        ClassLoader applicationClassLoader = getApplicationClassLoaderField(self);
         if (applicationClassLoader == null) {
             ContextFactory f = self.getFactory();
             ClassLoader loader = f.getApplicationClassLoader();
@@ -124,7 +134,7 @@ public static ClassLoader getApplicationClassLoader(Context self) throws ClassNo
                 }
             }
             applicationClassLoader = new ClassLoaderPool(loader);
-            ReflectHelper.setField(self, "applicationClassLoader", applicationClassLoader);
+            setApplicationClassLoaderField(self, applicationClassLoader);
         }
         return applicationClassLoader;
     }

src/main/java/com/zhekasmirnov/horizon/util/FileUtils.java

@@ -1,9 +1,14 @@
 package com.zhekasmirnov.horizon.util;
 
+import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.io.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.Channels;
+import java.nio.channels.ReadableByteChannel;
+import java.nio.channels.WritableByteChannel;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -56,6 +61,11 @@ public static void writeJSON(File file, JSONObject jsonObject) throws IOExceptio
         FileUtils.writeFileText(file, result);
     }
 
+    public static void writeJSON(File file, JSONArray jsonObject) throws IOException {
+        String result = jsonObject.toString();
+        FileUtils.writeFileText(file, result);
+    }
+
     public static String cleanupPath(String path) {
         path = path.replaceAll("\\\\", "/");
         while (path.startsWith("/")) {
@@ -101,4 +111,42 @@ public static void setFileFlag(File directory, String name, boolean exists) {
             flag.delete();
         }
     }
+
+    public static void copy(File src, File dst) throws IOException {
+        FileInputStream inputStream = new FileInputStream(src);
+        FileOutputStream outputStream = new FileOutputStream(dst);
+
+        ReadableByteChannel inputChannel = Channels.newChannel(inputStream);
+        WritableByteChannel outputChannel = Channels.newChannel(outputStream);
+
+        final ByteBuffer buffer = ByteBuffer.allocateDirect(16 * 1024);
+        while (inputChannel.read(buffer) != -1) {
+            buffer.flip();
+            outputChannel.write(buffer);
+            buffer.compact();
+        }
+        buffer.flip();
+        while (buffer.hasRemaining()) {
+            outputChannel.write(buffer);
+        }
+    }
+
+
+    public static void copyFileTree(File srcDir, File dstDir, Object dialog, String prefix) throws IOException {
+        if (!dstDir.isDirectory() && !dstDir.mkdirs()) {
+            throw new IOException("mkdirs failed: " + dstDir);
+        }
+        for (String name : srcDir.list()) {
+            if (dialog != null) {
+                return;
+            }
+            File srcFile = new File(srcDir, name);
+            File dstFile = new File(dstDir, name);
+            if (srcFile.isDirectory()) {
+                copyFileTree(srcFile, dstFile, dialog, prefix + name + "/");
+            } else {
+                copy(srcFile, dstFile);
+            }
+        }
+    }
 }