生成字节码文件

被代理的类

package com.example.demo.cglibtest;

/**
 * @Package: org.vincent.proxy.cglibproxy <br/>
 * @Description： Cglib 代理模式中 被代理的委托类 <br/>
 * @author: lenovo <br/>
 * @Company: PLCC <br/>
 * @Copyright: Copyright (c) 2019 <br/>
 * @Version: 1.0 <br/>
 * @Modified By: <br/>
 * @Created by lenovo on 2018/12/26-17:55 <br/>
 */
public class Dog {
    public String call() {
        System.out.println("wang wang wang");
        return "Dog ..";
    }
}

methodInterceptor

package com.example.demo.cglibtest;


import org.springframework.cglib.proxy.Enhancer;
import org.springframework.cglib.proxy.MethodInterceptor;
import org.springframework.cglib.proxy.MethodProxy;

import java.lang.reflect.Method;

/**
 * @Package: org.vincent.proxy.cglibproxy <br/>
 * @Description： Cglib 方法拦截器,不用依赖被代理业务类的引用。  <br/>
 * @author: lenovo <br/>
 * @Company: PLCC <br/>
 * @Copyright: Copyright (c) 2019 <br/>
 * @Version: 1.0 <br/>
 * @Modified By: <br/>
 * @Created by lenovo on 2018/12/26-17:56 <br/>
 */
public class CglibMethodInterceptor implements MethodInterceptor {
    /**
     * 用于生成 Cglib 动态代理类工具方法
     *
     * @param target 代表需要 被代理的 委托类的 Class 对象
     * @return
     */
    public Object CglibProxyGeneratory(Class target) {
        /** 创建cglib 代理类 start */
        // 创建加强器，用来创建动态代理类
        Enhancer enhancer = new Enhancer();
        // 为代理类指定需要代理的类，也即是父类
        enhancer.setSuperclass(target);
        // 设置方法拦截器回调引用，对于代理类上所有方法的调用，都会调用CallBack，而Callback则需要实现intercept() 方法进行拦截
        enhancer.setCallback(this);        // 获取动态代理类对象并返回
        return enhancer.create();        /** 创建cglib 代理类 end */
    }

    /**
     * 功能主要是在调用业务类方法之前 之后添加统计时间的方法逻辑.
     * intercept 因为  具有 MethodProxy proxy 参数的原因 不再需要代理类的引用对象了,直接通过proxy 对象访问被代理对象的方法(这种方式更快)。
     * 当然 也可以通过反射机制，通过 method 引用实例    Object result = method.invoke(target, args); 形式反射调用被代理类方法，
     * target 实例代表被代理类对象引用, 初始化 CglibMethodInterceptor 时候被赋值 。但是Cglib不推荐使用这种方式
     *
     * @param obj    代表Cglib 生成的动态代理类 对象本身
     * @param method 代理类中被拦截的接口方法 Method 实例
     * @param args   接口方法参数
     * @param proxy  用于调用父类真正的业务类方法。可以直接调用被代理类接口方法
     * @return
     * @throws Throwable
     */
    @Override
    public Object intercept(Object obj, Method method, Object[] args, MethodProxy proxy) throws Throwable {
        System.out.println("before");
        MonitorUtil.start();
        Object result = proxy.invokeSuper(obj, args);        //Object result = method.invoke(target, args);
        System.out.println("after");
        MonitorUtil.finish(method.getName());
        return result;
    }
}

MonitorUtil

package com.example.demo.cglibtest;

/**
 * Created by PengRong on 2018/12/25.
 * 方法用时监控类,作为一个切面 ，具有两个方法
 */
public class MonitorUtil {
    private static ThreadLocal<Long> tl = new ThreadLocal<>();

    public static void start() {
        tl.set(System.currentTimeMillis());
    }

    /**
     * 结束时打印耗时
     *
     * @param methodName 方法名
     */
    public static void finish(String methodName) {
        long finishTime = System.currentTimeMillis();
        System.out.println(methodName + "方法执行耗时" + (finishTime - tl.get()) + "ms");
    }
}

测试类

package com.example.demo.cglibtest;


import org.springframework.cglib.core.DebuggingClassWriter;
import org.springframework.cglib.proxy.Enhancer;

import java.lang.reflect.Field;
import java.util.Properties;

/**
 * @Package: org.vincent.proxy.cglibproxy <br/>
 * @Description： TODO <br/>
 * @author: lenovo <br/>
 * @Company: PLCC <br/>
 * @Copyright: Copyright (c) 2019 <br/>
 * @Version: 1.0 <br/>
 * @Modified By: <br/>
 * @Created by lenovo on 2018/12/26-18:05 <br/>
 */
public class CglibTest {

    public static void main(String[] args) throws Exception {
        System.out.println(System.getProperty("user.dir"));


        /** 开启 保存cglib生成的动态代理类类文件*/
        saveGeneratedCGlibProxyFiles(System.getProperty("user.dir"));


        /** 第一种方法: 创建cglib 代理类 start */
        // 创建加强器，用来创建动态代理类
        Enhancer enhancer = new Enhancer();
        // 为代理类指定需要代理的类，也即是父类
        enhancer.setSuperclass(Dog.class);
        // new 一个新的方法拦截器
        CglibMethodInterceptor cglibMethodInterceptor = new CglibMethodInterceptor();

        // 设置方法拦截器回调引用，对于代理类上所有方法的调用，都会调用CallBack，而Callback则需要实现intercept() 方法进行拦截
        enhancer.setCallback(cglibMethodInterceptor);

        // 获取动态代理类对象并返回
        Dog dog = (Dog) enhancer.create();

        /** 创建cglib 代理类 end */
        System.out.println(dog.call());


       /* // 对于上面这几步，可以新增一个工具方法 放置在 CglibMethodInterceptor 里面；也就有了第二种方法
        // new 一个新的方法拦截器，该拦截器还顺带一个用于创建代理类的工具方法。看起来简单很多
        cglibMethodInterceptor = new CglibMethodInterceptor();
        dog = (Dog) cglibMethodInterceptor.CglibProxyGeneratory(Dog.class);
        System.out.println(dog.call());*/


    }



    /**
     * 设置保存Cglib代理生成的类文件。
     *
     * @throws Exception
     */
    public static void saveGeneratedCGlibProxyFiles(String dir) throws Exception {
        Field field = System.class.getDeclaredField("props");
        field.setAccessible(true);
        Properties props = (Properties) field.get(null);
        System.setProperty(DebuggingClassWriter.DEBUG_LOCATION_PROPERTY, dir);//dir为保存文件路径
        props.put("net.sf.cglib.core.DebuggingClassWriter.traceEnabled", "true");
    }
}

生成的代理类字节码， 生成了3个类的字节码

image.png

核心代码：

 public final String call() {
        MethodInterceptor var10000 = this.CGLIB$CALLBACK_0;
        if (this.CGLIB$CALLBACK_0 == null) {
            CGLIB$BIND_CALLBACKS(this);
            var10000 = this.CGLIB$CALLBACK_0;
        }

        return var10000 != null ? (String)var10000.intercept(this, CGLIB$call$0$Method, CGLIB$emptyArgs, CGLIB$call$0$Proxy) : super.call();
    }

com/example/demo/cglibtest/Dog$$EnhancerByCGLIB$$4e9e4388.class



//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by Fernflower decompiler)
//

package com.example.demo.cglibtest;

import java.lang.reflect.Method;
import org.springframework.cglib.core.ReflectUtils;
import org.springframework.cglib.core.Signature;
import org.springframework.cglib.proxy.Callback;
import org.springframework.cglib.proxy.Factory;
import org.springframework.cglib.proxy.MethodInterceptor;
import org.springframework.cglib.proxy.MethodProxy;

public class Dog$$EnhancerByCGLIB$$4e9e4388 extends Dog implements Factory {
    private boolean CGLIB$BOUND;
    public static Object CGLIB$FACTORY_DATA;
    private static final ThreadLocal CGLIB$THREAD_CALLBACKS;
    private static final Callback[] CGLIB$STATIC_CALLBACKS;
    private MethodInterceptor CGLIB$CALLBACK_0;
    private static Object CGLIB$CALLBACK_FILTER;
    private static final Method CGLIB$call$0$Method;
    private static final MethodProxy CGLIB$call$0$Proxy;
    private static final Object[] CGLIB$emptyArgs;
    private static final Method CGLIB$equals$1$Method;
    private static final MethodProxy CGLIB$equals$1$Proxy;
    private static final Method CGLIB$toString$2$Method;
    private static final MethodProxy CGLIB$toString$2$Proxy;
    private static final Method CGLIB$hashCode$3$Method;
    private static final MethodProxy CGLIB$hashCode$3$Proxy;
    private static final Method CGLIB$clone$4$Method;
    private static final MethodProxy CGLIB$clone$4$Proxy;

    static void CGLIB$STATICHOOK1() {
        CGLIB$THREAD_CALLBACKS = new ThreadLocal();
        CGLIB$emptyArgs = new Object[0];
        Class var0 = Class.forName("com.example.demo.cglibtest.Dog$$EnhancerByCGLIB$$4e9e4388");
        Class var1;
        Method[] var10000 = ReflectUtils.findMethods(new String[]{"equals", "(Ljava/lang/Object;)Z", "toString", "()Ljava/lang/String;", "hashCode", "()I", "clone", "()Ljava/lang/Object;"}, (var1 = Class.forName("java.lang.Object")).getDeclaredMethods());
        CGLIB$equals$1$Method = var10000[0];
        CGLIB$equals$1$Proxy = MethodProxy.create(var1, var0, "(Ljava/lang/Object;)Z", "equals", "CGLIB$equals$1");
        CGLIB$toString$2$Method = var10000[1];
        CGLIB$toString$2$Proxy = MethodProxy.create(var1, var0, "()Ljava/lang/String;", "toString", "CGLIB$toString$2");
        CGLIB$hashCode$3$Method = var10000[2];
        CGLIB$hashCode$3$Proxy = MethodProxy.create(var1, var0, "()I", "hashCode", "CGLIB$hashCode$3");
        CGLIB$clone$4$Method = var10000[3];
        CGLIB$clone$4$Proxy = MethodProxy.create(var1, var0, "()Ljava/lang/Object;", "clone", "CGLIB$clone$4");
        CGLIB$call$0$Method = ReflectUtils.findMethods(new String[]{"call", "()Ljava/lang/String;"}, (var1 = Class.forName("com.example.demo.cglibtest.Dog")).getDeclaredMethods())[0];
        CGLIB$call$0$Proxy = MethodProxy.create(var1, var0, "()Ljava/lang/String;", "call", "CGLIB$call$0");
    }

    final String CGLIB$call$0() {
        return super.call();
    }

    public final String call() {
        MethodInterceptor var10000 = this.CGLIB$CALLBACK_0;
        if (this.CGLIB$CALLBACK_0 == null) {
            CGLIB$BIND_CALLBACKS(this);
            var10000 = this.CGLIB$CALLBACK_0;
        }

        return var10000 != null ? (String)var10000.intercept(this, CGLIB$call$0$Method, CGLIB$emptyArgs, CGLIB$call$0$Proxy) : super.call();
    }

    final boolean CGLIB$equals$1(Object var1) {
        return super.equals(var1);
    }

    public final boolean equals(Object var1) {
        MethodInterceptor var10000 = this.CGLIB$CALLBACK_0;
        if (this.CGLIB$CALLBACK_0 == null) {
            CGLIB$BIND_CALLBACKS(this);
            var10000 = this.CGLIB$CALLBACK_0;
        }

        if (var10000 != null) {
            Object var2 = var10000.intercept(this, CGLIB$equals$1$Method, new Object[]{var1}, CGLIB$equals$1$Proxy);
            return var2 == null ? false : (Boolean)var2;
        } else {
            return super.equals(var1);
        }
    }

    final String CGLIB$toString$2() {
        return super.toString();
    }

    public final String toString() {
        MethodInterceptor var10000 = this.CGLIB$CALLBACK_0;
        if (this.CGLIB$CALLBACK_0 == null) {
            CGLIB$BIND_CALLBACKS(this);
            var10000 = this.CGLIB$CALLBACK_0;
        }

        return var10000 != null ? (String)var10000.intercept(this, CGLIB$toString$2$Method, CGLIB$emptyArgs, CGLIB$toString$2$Proxy) : super.toString();
    }

    final int CGLIB$hashCode$3() {
        return super.hashCode();
    }

    public final int hashCode() {
        MethodInterceptor var10000 = this.CGLIB$CALLBACK_0;
        if (this.CGLIB$CALLBACK_0 == null) {
            CGLIB$BIND_CALLBACKS(this);
            var10000 = this.CGLIB$CALLBACK_0;
        }

        if (var10000 != null) {
            Object var1 = var10000.intercept(this, CGLIB$hashCode$3$Method, CGLIB$emptyArgs, CGLIB$hashCode$3$Proxy);
            return var1 == null ? 0 : ((Number)var1).intValue();
        } else {
            return super.hashCode();
        }
    }

    final Object CGLIB$clone$4() throws CloneNotSupportedException {
        return super.clone();
    }

    protected final Object clone() throws CloneNotSupportedException {
        MethodInterceptor var10000 = this.CGLIB$CALLBACK_0;
        if (this.CGLIB$CALLBACK_0 == null) {
            CGLIB$BIND_CALLBACKS(this);
            var10000 = this.CGLIB$CALLBACK_0;
        }

        return var10000 != null ? var10000.intercept(this, CGLIB$clone$4$Method, CGLIB$emptyArgs, CGLIB$clone$4$Proxy) : super.clone();
    }

    public static MethodProxy CGLIB$findMethodProxy(Signature var0) {
        String var10000 = var0.toString();
        switch(var10000.hashCode()) {
        case -508378822:
            if (var10000.equals("clone()Ljava/lang/Object;")) {
                return CGLIB$clone$4$Proxy;
            }
            break;
        case 371634473:
            if (var10000.equals("call()Ljava/lang/String;")) {
                return CGLIB$call$0$Proxy;
            }
            break;
        case 1826985398:
            if (var10000.equals("equals(Ljava/lang/Object;)Z")) {
                return CGLIB$equals$1$Proxy;
            }
            break;
        case 1913648695:
            if (var10000.equals("toString()Ljava/lang/String;")) {
                return CGLIB$toString$2$Proxy;
            }
            break;
        case 1984935277:
            if (var10000.equals("hashCode()I")) {
                return CGLIB$hashCode$3$Proxy;
            }
        }

        return null;
    }

    public Dog$$EnhancerByCGLIB$$4e9e4388() {
        CGLIB$BIND_CALLBACKS(this);
    }

    public static void CGLIB$SET_THREAD_CALLBACKS(Callback[] var0) {
        CGLIB$THREAD_CALLBACKS.set(var0);
    }

    public static void CGLIB$SET_STATIC_CALLBACKS(Callback[] var0) {
        CGLIB$STATIC_CALLBACKS = var0;
    }

    private static final void CGLIB$BIND_CALLBACKS(Object var0) {
        Dog$$EnhancerByCGLIB$$4e9e4388 var1 = (Dog$$EnhancerByCGLIB$$4e9e4388)var0;
        if (!var1.CGLIB$BOUND) {
            var1.CGLIB$BOUND = true;
            Object var10000 = CGLIB$THREAD_CALLBACKS.get();
            if (var10000 == null) {
                var10000 = CGLIB$STATIC_CALLBACKS;
                if (CGLIB$STATIC_CALLBACKS == null) {
                    return;
                }
            }

            var1.CGLIB$CALLBACK_0 = (MethodInterceptor)((Callback[])var10000)[0];
        }

    }

    public Object newInstance(Callback[] var1) {
        CGLIB$SET_THREAD_CALLBACKS(var1);
        Dog$$EnhancerByCGLIB$$4e9e4388 var10000 = new Dog$$EnhancerByCGLIB$$4e9e4388();
        CGLIB$SET_THREAD_CALLBACKS((Callback[])null);
        return var10000;
    }

    public Object newInstance(Callback var1) {
        CGLIB$SET_THREAD_CALLBACKS(new Callback[]{var1});
        Dog$$EnhancerByCGLIB$$4e9e4388 var10000 = new Dog$$EnhancerByCGLIB$$4e9e4388();
        CGLIB$SET_THREAD_CALLBACKS((Callback[])null);
        return var10000;
    }

    public Object newInstance(Class[] var1, Object[] var2, Callback[] var3) {
        CGLIB$SET_THREAD_CALLBACKS(var3);
        Dog$$EnhancerByCGLIB$$4e9e4388 var10000 = new Dog$$EnhancerByCGLIB$$4e9e4388;
        switch(var1.length) {
        case 0:
            var10000.<init>();
            CGLIB$SET_THREAD_CALLBACKS((Callback[])null);
            return var10000;
        default:
            throw new IllegalArgumentException("Constructor not found");
        }
    }

    public Callback getCallback(int var1) {
        CGLIB$BIND_CALLBACKS(this);
        MethodInterceptor var10000;
        switch(var1) {
        case 0:
            var10000 = this.CGLIB$CALLBACK_0;
            break;
        default:
            var10000 = null;
        }

        return var10000;
    }

    public void setCallback(int var1, Callback var2) {
        switch(var1) {
        case 0:
            this.CGLIB$CALLBACK_0 = (MethodInterceptor)var2;
        default:
        }
    }

    public Callback[] getCallbacks() {
        CGLIB$BIND_CALLBACKS(this);
        return new Callback[]{this.CGLIB$CALLBACK_0};
    }

    public void setCallbacks(Callback[] var1) {
        this.CGLIB$CALLBACK_0 = (MethodInterceptor)var1[0];
    }

    static {
        CGLIB$STATICHOOK1();
    }
}

com/example/demo/cglibtest/Dog$$EnhancerByCGLIB$$4e9e4388$$FastClassByCGLIB$$b8a6973b.class

//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by Fernflower decompiler)
//

package com.example.demo.cglibtest;

import com.example.demo.cglibtest.Dog..EnhancerByCGLIB..4e9e4388;
import java.lang.reflect.InvocationTargetException;
import org.springframework.cglib.core.Signature;
import org.springframework.cglib.proxy.Callback;
import org.springframework.cglib.reflect.FastClass;

public class Dog$$EnhancerByCGLIB$$4e9e4388$$FastClassByCGLIB$$b8a6973b extends FastClass {
    public Dog$$EnhancerByCGLIB$$4e9e4388$$FastClassByCGLIB$$b8a6973b(Class var1) {
        super(var1);
    }

    public int getIndex(Signature var1) {
        String var10000 = var1.toString();
        switch(var10000.hashCode()) {
        case -1882565338:
            if (var10000.equals("CGLIB$equals$1(Ljava/lang/Object;)Z")) {
                return 15;
            }
            break;
        case -1870561232:
            if (var10000.equals("CGLIB$findMethodProxy(Lorg/springframework/cglib/core/Signature;)Lorg/springframework/cglib/proxy/MethodProxy;")) {
                return 12;
            }
            break;
        case -1745842178:
            if (var10000.equals("setCallbacks([Lorg/springframework/cglib/proxy/Callback;)V")) {
                return 7;
            }
            break;
        case -1641413109:
            if (var10000.equals("newInstance([Lorg/springframework/cglib/proxy/Callback;)Ljava/lang/Object;")) {
                return 6;
            }
            break;
        case -1457535688:
            if (var10000.equals("CGLIB$STATICHOOK1()V")) {
                return 13;
            }
            break;
        case -1411842725:
            if (var10000.equals("CGLIB$hashCode$3()I")) {
                return 17;
            }
            break;
        case -1212270792:
            if (var10000.equals("CGLIB$call$0()Ljava/lang/String;")) {
                return 14;
            }
            break;
        case -1034266769:
            if (var10000.equals("CGLIB$SET_STATIC_CALLBACKS([Lorg/springframework/cglib/proxy/Callback;)V")) {
                return 8;
            }
            break;
        case -1025895669:
            if (var10000.equals("CGLIB$SET_THREAD_CALLBACKS([Lorg/springframework/cglib/proxy/Callback;)V")) {
                return 9;
            }
            break;
        case -988317324:
            if (var10000.equals("newInstance([Ljava/lang/Class;[Ljava/lang/Object;[Lorg/springframework/cglib/proxy/Callback;)Ljava/lang/Object;")) {
                return 4;
            }
            break;
        case -508378822:
            if (var10000.equals("clone()Ljava/lang/Object;")) {
                return 3;
            }
            break;
        case 371634473:
            if (var10000.equals("call()Ljava/lang/String;")) {
                return 19;
            }
            break;
        case 610042816:
            if (var10000.equals("newInstance(Lorg/springframework/cglib/proxy/Callback;)Ljava/lang/Object;")) {
                return 5;
            }
            break;
        case 1132856532:
            if (var10000.equals("getCallbacks()[Lorg/springframework/cglib/proxy/Callback;")) {
                return 11;
            }
            break;
        case 1246779367:
            if (var10000.equals("setCallback(ILorg/springframework/cglib/proxy/Callback;)V")) {
                return 20;
            }
            break;
        case 1306468936:
            if (var10000.equals("CGLIB$toString$2()Ljava/lang/String;")) {
                return 16;
            }
            break;
        case 1364367423:
            if (var10000.equals("getCallback(I)Lorg/springframework/cglib/proxy/Callback;")) {
                return 10;
            }
            break;
        case 1800494055:
            if (var10000.equals("CGLIB$clone$4()Ljava/lang/Object;")) {
                return 18;
            }
            break;
        case 1826985398:
            if (var10000.equals("equals(Ljava/lang/Object;)Z")) {
                return 0;
            }
            break;
        case 1913648695:
            if (var10000.equals("toString()Ljava/lang/String;")) {
                return 1;
            }
            break;
        case 1984935277:
            if (var10000.equals("hashCode()I")) {
                return 2;
            }
        }

        return -1;
    }

    public int getIndex(String var1, Class[] var2) {
        switch(var1.hashCode()) {
        case -1776922004:
            if (var1.equals("toString")) {
                switch(var2.length) {
                case 0:
                    return 1;
                }
            }
            break;
        case -1295482945:
            if (var1.equals("equals")) {
                switch(var2.length) {
                case 1:
                    if (var2[0].getName().equals("java.lang.Object")) {
                        return 0;
                    }
                }
            }
            break;
        case -1053468136:
            if (var1.equals("getCallbacks")) {
                switch(var2.length) {
                case 0:
                    return 11;
                }
            }
            break;
        case -124978609:
            if (var1.equals("CGLIB$equals$1")) {
                switch(var2.length) {
                case 1:
                    if (var2[0].getName().equals("java.lang.Object")) {
                        return 15;
                    }
                }
            }
            break;
        case -60403779:
            if (var1.equals("CGLIB$SET_STATIC_CALLBACKS")) {
                switch(var2.length) {
                case 1:
                    if (var2[0].getName().equals("[Lorg.springframework.cglib.proxy.Callback;")) {
                        return 8;
                    }
                }
            }
            break;
        case -29025555:
            if (var1.equals("CGLIB$hashCode$3")) {
                switch(var2.length) {
                case 0:
                    return 17;
                }
            }
            break;
        case 3045982:
            if (var1.equals("call")) {
                switch(var2.length) {
                case 0:
                    return 19;
                }
            }
            break;
        case 52714989:
            if (var1.equals("CGLIB$call$0")) {
                switch(var2.length) {
                case 0:
                    return 14;
                }
            }
            break;
        case 85179481:
            if (var1.equals("CGLIB$SET_THREAD_CALLBACKS")) {
                switch(var2.length) {
                case 1:
                    if (var2[0].getName().equals("[Lorg.springframework.cglib.proxy.Callback;")) {
                        return 9;
                    }
                }
            }
            break;
        case 94756189:
            if (var1.equals("clone")) {
                switch(var2.length) {
                case 0:
                    return 3;
                }
            }
            break;
        case 147696667:
            if (var1.equals("hashCode")) {
                switch(var2.length) {
                case 0:
                    return 2;
                }
            }
            break;
        case 161998109:
            if (var1.equals("CGLIB$STATICHOOK1")) {
                switch(var2.length) {
                case 0:
                    return 13;
                }
            }
            break;
        case 495524492:
            if (var1.equals("setCallbacks")) {
                switch(var2.length) {
                case 1:
                    if (var2[0].getName().equals("[Lorg.springframework.cglib.proxy.Callback;")) {
                        return 7;
                    }
                }
            }
            break;
        case 1154623345:
            if (var1.equals("CGLIB$findMethodProxy")) {
                switch(var2.length) {
                case 1:
                    if (var2[0].getName().equals("org.springframework.cglib.core.Signature")) {
                        return 12;
                    }
                }
            }
            break;
        case 1543336189:
            if (var1.equals("CGLIB$toString$2")) {
                switch(var2.length) {
                case 0:
                    return 16;
                }
            }
            break;
        case 1811874389:
            if (var1.equals("newInstance")) {
                switch(var2.length) {
                case 1:
                    String var10001 = var2[0].getName();
                    switch(var10001.hashCode()) {
                    case -1997738671:
                        if (var10001.equals("[Lorg.springframework.cglib.proxy.Callback;")) {
                            return 6;
                        }
                        break;
                    case 1364160985:
                        if (var10001.equals("org.springframework.cglib.proxy.Callback")) {
                            return 5;
                        }
                    }
                case 2:
                default:
                    break;
                case 3:
                    if (var2[0].getName().equals("[Ljava.lang.Class;") && var2[1].getName().equals("[Ljava.lang.Object;") && var2[2].getName().equals("[Lorg.springframework.cglib.proxy.Callback;")) {
                        return 4;
                    }
                }
            }
            break;
        case 1817099975:
            if (var1.equals("setCallback")) {
                switch(var2.length) {
                case 2:
                    if (var2[0].getName().equals("int") && var2[1].getName().equals("org.springframework.cglib.proxy.Callback")) {
                        return 20;
                    }
                }
            }
            break;
        case 1905679803:
            if (var1.equals("getCallback")) {
                switch(var2.length) {
                case 1:
                    if (var2[0].getName().equals("int")) {
                        return 10;
                    }
                }
            }
            break;
        case 1951977610:
            if (var1.equals("CGLIB$clone$4")) {
                switch(var2.length) {
                case 0:
                    return 18;
                }
            }
        }

        return -1;
    }

    public int getIndex(Class[] var1) {
        switch(var1.length) {
        case 0:
            return 0;
        default:
            return -1;
        }
    }

    public Object invoke(int var1, Object var2, Object[] var3) throws InvocationTargetException {
        4e9e4388 var10000 = (4e9e4388)var2;
        int var10001 = var1;

        try {
            switch(var10001) {
            case 0:
                return new Boolean(var10000.equals(var3[0]));
            case 1:
                return var10000.toString();
            case 2:
                return new Integer(var10000.hashCode());
            case 3:
                return var10000.clone();
            case 4:
                return var10000.newInstance((Class[])var3[0], (Object[])var3[1], (Callback[])var3[2]);
            case 5:
                return var10000.newInstance((Callback)var3[0]);
            case 6:
                return var10000.newInstance((Callback[])var3[0]);
            case 7:
                var10000.setCallbacks((Callback[])var3[0]);
                return null;
            case 8:
                4e9e4388.CGLIB$SET_STATIC_CALLBACKS((Callback[])var3[0]);
                return null;
            case 9:
                4e9e4388.CGLIB$SET_THREAD_CALLBACKS((Callback[])var3[0]);
                return null;
            case 10:
                return var10000.getCallback(((Number)var3[0]).intValue());
            case 11:
                return var10000.getCallbacks();
            case 12:
                return 4e9e4388.CGLIB$findMethodProxy((Signature)var3[0]);
            case 13:
                4e9e4388.CGLIB$STATICHOOK1();
                return null;
            case 14:
                return var10000.CGLIB$call$0();
            case 15:
                return new Boolean(var10000.CGLIB$equals$1(var3[0]));
            case 16:
                return var10000.CGLIB$toString$2();
            case 17:
                return new Integer(var10000.CGLIB$hashCode$3());
            case 18:
                return var10000.CGLIB$clone$4();
            case 19:
                return var10000.call();
            case 20:
                var10000.setCallback(((Number)var3[0]).intValue(), (Callback)var3[1]);
                return null;
            }
        } catch (Throwable var4) {
            throw new InvocationTargetException(var4);
        }

        throw new IllegalArgumentException("Cannot find matching method/constructor");
    }

    public Object newInstance(int var1, Object[] var2) throws InvocationTargetException {
        4e9e4388 var10000 = new 4e9e4388;
        4e9e4388 var10001 = var10000;
        int var10002 = var1;

        try {
            switch(var10002) {
            case 0:
                var10001.<init>();
                return var10000;
            }
        } catch (Throwable var3) {
            throw new InvocationTargetException(var3);
        }

        throw new IllegalArgumentException("Cannot find matching method/constructor");
    }

    public int getMaxIndex() {
        return 20;
    }
}

com/example/demo/cglibtest/Dog$$FastClassByCGLIB$$5232e727.class


//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by Fernflower decompiler)
//

package com.example.demo.cglibtest;

import java.lang.reflect.InvocationTargetException;
import org.springframework.cglib.core.Signature;
import org.springframework.cglib.reflect.FastClass;

public class Dog$$FastClassByCGLIB$$5232e727 extends FastClass {
    public Dog$$FastClassByCGLIB$$5232e727(Class var1) {
        super(var1);
    }

    public int getIndex(Signature var1) {
        String var10000 = var1.toString();
        switch(var10000.hashCode()) {
        case 371634473:
            if (var10000.equals("call()Ljava/lang/String;")) {
                return 0;
            }
            break;
        case 1826985398:
            if (var10000.equals("equals(Ljava/lang/Object;)Z")) {
                return 1;
            }
            break;
        case 1913648695:
            if (var10000.equals("toString()Ljava/lang/String;")) {
                return 2;
            }
            break;
        case 1984935277:
            if (var10000.equals("hashCode()I")) {
                return 3;
            }
        }

        return -1;
    }

    public int getIndex(String var1, Class[] var2) {
        switch(var1.hashCode()) {
        case -1776922004:
            if (var1.equals("toString")) {
                switch(var2.length) {
                case 0:
                    return 2;
                }
            }
            break;
        case -1295482945:
            if (var1.equals("equals")) {
                switch(var2.length) {
                case 1:
                    if (var2[0].getName().equals("java.lang.Object")) {
                        return 1;
                    }
                }
            }
            break;
        case 3045982:
            if (var1.equals("call")) {
                switch(var2.length) {
                case 0:
                    return 0;
                }
            }
            break;
        case 147696667:
            if (var1.equals("hashCode")) {
                switch(var2.length) {
                case 0:
                    return 3;
                }
            }
        }

        return -1;
    }

    public int getIndex(Class[] var1) {
        switch(var1.length) {
        case 0:
            return 0;
        default:
            return -1;
        }
    }

    public Object invoke(int var1, Object var2, Object[] var3) throws InvocationTargetException {
        Dog var10000 = (Dog)var2;
        int var10001 = var1;

        try {
            switch(var10001) {
            case 0:
                return var10000.call();
            case 1:
                return new Boolean(var10000.equals(var3[0]));
            case 2:
                return var10000.toString();
            case 3:
                return new Integer(var10000.hashCode());
            }
        } catch (Throwable var4) {
            throw new InvocationTargetException(var4);
        }

        throw new IllegalArgumentException("Cannot find matching method/constructor");
    }

    public Object newInstance(int var1, Object[] var2) throws InvocationTargetException {
        Dog var10000 = new Dog;
        Dog var10001 = var10000;
        int var10002 = var1;

        try {
            switch(var10002) {
            case 0:
                var10001.<init>();
                return var10000;
            }
        } catch (Throwable var3) {
            throw new InvocationTargetException(var3);
        }

        throw new IllegalArgumentException("Cannot find matching method/constructor");
    }

    public int getMaxIndex() {
        return 3;
    }
}