修改源代码动态修改模式，在原有类的基础上，构建拦截器

skywalking-api/src/main/java/com/ai/cloud/skywalking/plugin/interceptor/EnhanceClazz4Interceptor.java

@@ -8,7 +8,6 @@ import net.bytebuddy.ByteBuddy;
 import net.bytebuddy.dynamic.ClassFileLocator;
 import net.bytebuddy.dynamic.DynamicType;
 import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;
-import net.bytebuddy.dynamic.scaffold.subclass.ConstructorStrategy;
 import net.bytebuddy.implementation.MethodDelegation;
 import net.bytebuddy.implementation.SuperMethodCall;
 import net.bytebuddy.implementation.bind.annotation.FieldProxy;
@@ -73,22 +72,14 @@ public class EnhanceClazz4Interceptor {
         }
 
         /**
-         * rename origin class <br/>
-         * add '$$Origin' at the end of be enhanced classname <br/>
-         * such as: class com.ai.cloud.TestClass to class
-         * com.ai.cloud.TestClass$$Origin
+         * find origin class source code for interceptor
          */
-        String renameClassName = enhanceOriginClassName + "$$Origin";
-        Class<?> originClass = new ByteBuddy()
-                .redefine(resolution.resolve(),
-                        ClassFileLocator.ForClassLoader.ofClassPath())
-                .name(renameClassName)
-                .make()
-                .load(ClassLoader.getSystemClassLoader(),
-                        ClassLoadingStrategy.Default.INJECTION).getLoaded();
-
+        DynamicType.Builder<?> newClassBuilder =  new ByteBuddy()
+                .rebase(resolution.resolve(),
+                        ClassFileLocator.ForClassLoader.ofClassPath());
+                
         /**
-         * create a new class using origin classname.<br/>
+         * alter class source code.<br/>
          *
          * new class need:<br/>
          * 1.add field '_$EnhancedClassInstanceContext' of type
@@ -102,8 +93,6 @@ public class EnhanceClazz4Interceptor {
             throw new EnhanceException("no IAroundInterceptor instance. ");
         }
 
-        DynamicType.Builder<?> newClassBuilder = new ByteBuddy().subclass(
-                originClass, ConstructorStrategy.Default.IMITATE_SUPER_CLASS);
         newClassBuilder = newClassBuilder
                 .defineField(contextAttrName,
                         EnhancedClassInstanceContext.class)

skywalking-api/src/test/java/test/ai/cloud/bytebuddy/SimulateMain2.java

@@ -0,0 +1,36 @@
+package test.ai.cloud.bytebuddy;
+
+import static net.bytebuddy.matcher.ElementMatchers.isConstructor;
+import static net.bytebuddy.matcher.ElementMatchers.named;
+import net.bytebuddy.ByteBuddy;
+import net.bytebuddy.dynamic.ClassFileLocator;
+import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;
+import net.bytebuddy.implementation.MethodDelegation;
+import net.bytebuddy.implementation.SuperMethodCall;
+import net.bytebuddy.pool.TypePool;
+
+public class SimulateMain2 {
+	public static void main(String[] args) throws InstantiationException,
+			IllegalAccessException {
+		TypePool typePool = TypePool.Default.ofClassPath();
+
+		new ByteBuddy()
+				.rebase(typePool.describe("test.ai.cloud.bytebuddy.TestClass")
+						.resolve(),
+						ClassFileLocator.ForClassLoader.ofClassPath())
+				.method(named("testA"))
+				.intercept(MethodDelegation.to(new MethodInterceptor()))
+				.method(named("testB"))
+				.intercept(MethodDelegation.to(new MethodInterceptor()))
+				.constructor(isConstructor())
+				.intercept(
+						MethodDelegation.to(new ConstructorInterceptor())
+								.andThen(SuperMethodCall.INSTANCE))
+				.make()
+				.load(ClassLoader.getSystemClassLoader(),
+						ClassLoadingStrategy.Default.INJECTION).getLoaded();
+
+		TestClass t = new TestClass("abc");
+		System.out.println(t.testA("1"));
+	}
+}

skywalking-api/src/test/java/test/ai/cloud/plugin/PluginMainTest.java

@@ -2,9 +2,12 @@ package test.ai.cloud.plugin;
 
 import java.lang.reflect.InvocationTargetException;
 
+import org.junit.Test;
+
 import com.ai.cloud.skywalking.plugin.TracingBootstrap;
 
 public class PluginMainTest {
+	@Test
 	public void testMain() throws IllegalAccessException,
 			IllegalArgumentException, InvocationTargetException,
 			NoSuchMethodException, SecurityException, ClassNotFoundException {

skywalking-api/src/test/resources/skywalking-plugin.def

@@ -1 +1 @@
-test.ai.cloud.matcher.TestMatcherDefine
+test.ai.cloud.plugin.TestInterceptorDefine