refactor: add packer module

packer/src/test/java/com/reajason/javaweb/deserialize/payload/CommonsBeanutils18Test.java

@@ -0,0 +1,34 @@
+package com.reajason.javaweb.deserialize.payload;
+
+import com.reajason.javaweb.packer.deserialize.utils.Reflections;
+import lombok.SneakyThrows;
+import net.bytebuddy.ByteBuddy;
+import net.bytebuddy.description.modifier.FieldManifestation;
+import net.bytebuddy.description.modifier.Ownership;
+import net.bytebuddy.description.modifier.Visibility;
+import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;
+import org.junit.jupiter.api.Test;
+
+import java.net.URL;
+import java.net.URLClassLoader;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * @author ReaJason
+ * @since 2025/2/17
+ */
+class CommonsBeanutils18Test {
+
+    @Test
+    @SneakyThrows
+    void test() {
+        Object object = new ByteBuddy()
+                .redefine(Class.forName("org.apache.commons.beanutils.BeanComparator"))
+                .defineField("serialVersionUID", long.class, Visibility.PRIVATE, Ownership.STATIC, FieldManifestation.FINAL)
+                .value(-2044202215314119608L)
+                .make().load(new URLClassLoader(new URL[]{}), ClassLoadingStrategy.Default.INJECTION).getLoaded().newInstance();
+        assertEquals(-2044202215314119608L, Reflections.getFieldValue(object, "serialVersionUID"));
+    }
+
+}