From 78351741abf6d46838dd6f6574ffb8a387199716 Mon Sep 17 00:00:00 2001
From: Barcelona-v <1361416759@qq.com>
Date: Mon, 2 Jun 2025 22:27:58 +0800
Subject: [PATCH 1/2] refactor loadClass method to decrypt class file and load
 it

---
 .../java/club/shengsheng/MyClassLoader.java   | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/src/main/java/club/shengsheng/MyClassLoader.java b/src/main/java/club/shengsheng/MyClassLoader.java
index 21026cf..c1ca330 100644
--- a/src/main/java/club/shengsheng/MyClassLoader.java
+++ b/src/main/java/club/shengsheng/MyClassLoader.java
@@ -1,9 +1,42 @@
 package club.shengsheng;
 
 
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+
 /**
  * @author gongxuanzhangmelt@gmail.com
  **/
 public class MyClassLoader extends ClassLoader {
+    @Override
+    public Class<?> loadClass(String name) throws ClassNotFoundException {
+        synchronized (getClassLoadingLock(name)) {
+            // First, check if the class has already been loaded
+            Class<?> c = findLoadedClass(name);
+            if(c == null) {
+                if(name.equals("tech.insight.ShengSheng")) {
+                    c = findClass(name);
+                }else {
+                    c = getParent().loadClass(name);
+                }
+            }
+            return c;
+        }
+    }
+    @Override
+    protected Class<?> findClass(String name) throws ClassNotFoundException {
+        String path = "加密.class";
+        File file = new File("D:\\project\\learn\\custom-classloader", path);
+        try {
+            byte[] bytes = Files.readAllBytes(file.toPath());
+            for(int i = 0; i < bytes.length; i++) {
+                bytes[i] = --bytes[i];
+            }
+            return defineClass(name, bytes, 0, bytes.length);
 
+        } catch (IOException e) {
+            throw new ClassNotFoundException(name);
+        }
+    }
 }

From 2a0f54e920c759829ecbaf40564a9444ff9ac16d Mon Sep 17 00:00:00 2001
From: Barcelona-v <1361416759@qq.com>
Date: Mon, 2 Jun 2025 22:31:32 +0800
Subject: [PATCH 2/2] refactor loadClass method to decrypt class file and load
 it

---
 src/main/java/club/shengsheng/MyClassLoader.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/club/shengsheng/MyClassLoader.java b/src/main/java/club/shengsheng/MyClassLoader.java
index c1ca330..fe58a78 100644
--- a/src/main/java/club/shengsheng/MyClassLoader.java
+++ b/src/main/java/club/shengsheng/MyClassLoader.java
@@ -27,7 +27,7 @@ public Class<?> loadClass(String name) throws ClassNotFoundException {
     @Override
     protected Class<?> findClass(String name) throws ClassNotFoundException {
         String path = "加密.class";
-        File file = new File("D:\\project\\learn\\custom-classloader", path);
+        File file = new File(".", path);
         try {
             byte[] bytes = Files.readAllBytes(file.toPath());
             for(int i = 0; i < bytes.length; i++) {