基於cglib的接口代理和非接口代理的區別

原創 starryninglong 2019-05-01 17:59

這是目錄

jdk動態代理

jdk動態代理只可以代理接口，因爲最後的實現類要繼承Proxy並實現該接口

cglib動態代理

cglib既可代理接口又可以代理實現類，那背後的源碼是如何實現的呢？

cglib代理接口

  1. 接口代碼
package com.tqy.document.reader.extention.demo1;

/**
 * @author tengqingya
 * @create 2019-04-23 12:49
 */
public interface TestInterface {
    String getHalloWorld();
}
  1. MethodInterceptor代碼
package com.tqy.document.reader.extention.demo1;

import net.sf.cglib.proxy.Enhancer;
import net.sf.cglib.proxy.MethodInterceptor;
import net.sf.cglib.proxy.MethodProxy;

import java.lang.reflect.Method;

/**
 * @author tengqingya
 * @create 2019-04-23 12:49
 */

public class TestCGLib implements MethodInterceptor {

    public Object getInstance(Class claxx) {
        Enhancer enhancer = new Enhancer();
        enhancer.setSuperclass(claxx);
        // 回調方法
        enhancer.setCallback(this);
        // 創建代理對象
        return enhancer.create();
    }

    @Override
    public Object intercept( Object o, Method method, Object[] objects, MethodProxy methodProxy) throws Throwable {
//        methodProxy.invokeSuper(o,objects);
        return method.getName();
    }
}
  1. main函數
package com.tqy.document.reader.extention.demo1;

import net.sf.cglib.core.DebuggingClassWriter;

/**
 * @author tengqingya
 * @create 2019-04-23 12:50
 */
public class TestCGLibMain {
    public static void main(String[] args) {
        System.setProperty(DebuggingClassWriter.DEBUG_LOCATION_PROPERTY, "D:\\gitCode\\mySpring\\DcumentReader\\src\\main\\java\\com\\tqy\\document\\reader\\extention\\demo1");

        TestCGLib testCGLib = new TestCGLib();
        TestInterface o = (TestInterface) testCGLib.getInstance(TestInterface.class);
        System.out.println(o.getHalloWorld());
    }
}
  1. 運行結果
CGLIB debugging enabled, writing to 'D:\gitCode\mySpring\DcumentReader\src\main\java\com\tqy\document\reader\extention\demo1'
getHalloWorld
  1. 生成的源碼
//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by Fernflower decompiler)
//

package com.tqy.document.reader.extention.demo1;

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

public class TestInterface$$EnhancerByCGLIB$$72f42620 implements TestInterface, Factory {
    private boolean CGLIB$BOUND;
    private static final ThreadLocal CGLIB$THREAD_CALLBACKS;
    private static final Callback[] CGLIB$STATIC_CALLBACKS;
    private MethodInterceptor CGLIB$CALLBACK_0;
    private static final Method CGLIB$finalize$0$Method;
    private static final MethodProxy CGLIB$finalize$0$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;
    private static final Method CGLIB$getHalloWorld$5$Method;
    private static final MethodProxy CGLIB$getHalloWorld$5$Proxy;

    static void CGLIB$STATICHOOK1() {
        CGLIB$THREAD_CALLBACKS = new ThreadLocal();
        CGLIB$emptyArgs = new Object[0];
        Class var0 = Class.forName("com.tqy.document.reader.extention.demo1.TestInterface$$EnhancerByCGLIB$$72f42620");
        Class var1;
        Method[] var10000 = ReflectUtils.findMethods(new String[]{"finalize", "()V", "equals", "(Ljava/lang/Object;)Z", "toString", "()Ljava/lang/String;", "hashCode", "()I", "clone", "()Ljava/lang/Object;"}, (var1 = Class.forName("java.lang.Object")).getDeclaredMethods());
        CGLIB$finalize$0$Method = var10000[0];
        CGLIB$finalize$0$Proxy = MethodProxy.create(var1, var0, "()V", "finalize", "CGLIB$finalize$0");
        CGLIB$equals$1$Method = var10000[1];
        CGLIB$equals$1$Proxy = MethodProxy.create(var1, var0, "(Ljava/lang/Object;)Z", "equals", "CGLIB$equals$1");
        CGLIB$toString$2$Method = var10000[2];
        CGLIB$toString$2$Proxy = MethodProxy.create(var1, var0, "()Ljava/lang/String;", "toString", "CGLIB$toString$2");
        CGLIB$hashCode$3$Method = var10000[3];
        CGLIB$hashCode$3$Proxy = MethodProxy.create(var1, var0, "()I", "hashCode", "CGLIB$hashCode$3");
        CGLIB$clone$4$Method = var10000[4];
        CGLIB$clone$4$Proxy = MethodProxy.create(var1, var0, "()Ljava/lang/Object;", "clone", "CGLIB$clone$4");
        CGLIB$getHalloWorld$5$Method = ReflectUtils.findMethods(new String[]{"getHalloWorld", "()Ljava/lang/String;"}, (var1 = Class.forName("com.tqy.document.reader.extention.demo1.TestInterface")).getDeclaredMethods())[0];
        CGLIB$getHalloWorld$5$Proxy = MethodProxy.create(var1, var0, "()Ljava/lang/String;", "getHalloWorld", "CGLIB$getHalloWorld$5");
    }

    final void CGLIB$finalize$0() throws Throwable {
        super.finalize();
    }

    protected final void finalize() throws Throwable {
        MethodInterceptor var10000 = this.CGLIB$CALLBACK_0;
        if (this.CGLIB$CALLBACK_0 == null) {
            CGLIB$BIND_CALLBACKS(this);
            var10000 = this.CGLIB$CALLBACK_0;
        }

        if (var10000 != null) {
            var10000.intercept(this, CGLIB$finalize$0$Method, CGLIB$emptyArgs, CGLIB$finalize$0$Proxy);
        } else {
            super.finalize();
        }
    }

    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();
    }

    final String CGLIB$getHalloWorld$5() {
        return super.getHalloWorld();
    }

    public final String getHalloWorld() {
        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$getHalloWorld$5$Method, CGLIB$emptyArgs, CGLIB$getHalloWorld$5$Proxy) : super.getHalloWorld();
    }

    public static MethodProxy CGLIB$findMethodProxy(Signature var0) {
        String var10000 = var0.toString();
        switch(var10000.hashCode()) {
        case -1662339427:
            if (var10000.equals("getHalloWorld()Ljava/lang/String;")) {
                return CGLIB$getHalloWorld$5$Proxy;
            }
            break;
        case -1574182249:
            if (var10000.equals("finalize()V")) {
                return CGLIB$finalize$0$Proxy;
            }
            break;
        case -508378822:
            if (var10000.equals("clone()Ljava/lang/Object;")) {
                return CGLIB$clone$4$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 TestInterface$$EnhancerByCGLIB$$72f42620() {
        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) {
        TestInterface$$EnhancerByCGLIB$$72f42620 var1 = (TestInterface$$EnhancerByCGLIB$$72f42620)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);
        TestInterface$$EnhancerByCGLIB$$72f42620 var10000 = new TestInterface$$EnhancerByCGLIB$$72f42620();
        CGLIB$SET_THREAD_CALLBACKS((Callback[])null);
        return var10000;
    }

    public Object newInstance(Callback var1) {
        CGLIB$SET_THREAD_CALLBACKS(new Callback[]{var1});
        TestInterface$$EnhancerByCGLIB$$72f42620 var10000 = new TestInterface$$EnhancerByCGLIB$$72f42620();
        CGLIB$SET_THREAD_CALLBACKS((Callback[])null);
        return var10000;
    }

    public Object newInstance(Class[] var1, Object[] var2, Callback[] var3) {
        CGLIB$SET_THREAD_CALLBACKS(var3);
        TestInterface$$EnhancerByCGLIB$$72f42620 var10000 = new TestInterface$$EnhancerByCGLIB$$72f42620;
        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();
    }
}

cglib代理實現類

  1. 接口代碼
package com.tqy.document.reader.extention.demo2;

/**
 * @author tengqingya
 * @create 2019-04-23 12:49
 */
public interface TestInterface {
    String getHalloWorld();
}
  1. 實現類代碼
package com.tqy.document.reader.extention.demo2;

import static java.lang.System.out;

/**
 * @author tengqingya
 * @create 2019-04-29 15:41
 */
public class TestInterfaceImpl implements TestInterface {
    @Override
    public String getHalloWorld() {
        out.println("hello");
        return "hello";
    }
}
  1. MethodInterceptor代碼
package com.tqy.document.reader.extention.demo2;

import net.sf.cglib.proxy.Enhancer;
import net.sf.cglib.proxy.MethodInterceptor;
import net.sf.cglib.proxy.MethodProxy;

import java.lang.reflect.Method;

/**
 * @author tengqingya
 * @create 2019-04-23 12:49
 */

public class TestCGLib implements MethodInterceptor {

    public Object getInstance(Class claxx) {
        Enhancer enhancer = new Enhancer();
        enhancer.setSuperclass(claxx);
        // 回調方法
        enhancer.setCallback(this);
        // 創建代理對象
        return enhancer.create();
    }

    @Override
    public Object intercept( Object o, Method method, Object[] objects, MethodProxy methodProxy) throws Throwable {
        methodProxy.invokeSuper(o,objects);
        return method.getName();
    }
}
  1. main函數
package com.tqy.document.reader.extention.demo2;

import net.sf.cglib.core.DebuggingClassWriter;

/**
 * @author tengqingya
 * @create 2019-04-23 12:50
 */
public class TestCGLibMain {
    public static void main(String[] args) {
        System.setProperty(DebuggingClassWriter.DEBUG_LOCATION_PROPERTY, "D:\\gitCode\\mySpring\\DcumentReader\\src\\main\\java\\com\\tqy\\document\\reader\\extention\\demo2");

        TestCGLib testCGLib = new TestCGLib();
        TestInterface o = (TestInterface) testCGLib.getInstance(TestInterfaceImpl.class);
        System.out.println(o.getHalloWorld());
    }
}
  1. 運行結果
CGLIB debugging enabled, writing to 'D:\gitCode\mySpring\DcumentReader\src\main\java\com\tqy\document\reader\extention\demo2'
hello
getHalloWorld
  1. 生成的源碼
//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by Fernflower decompiler)
//

package com.tqy.document.reader.extention.demo2;

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

public class TestInterfaceImpl$$EnhancerByCGLIB$$6ad87311 extends TestInterfaceImpl implements Factory {
    private boolean CGLIB$BOUND;
    private static final ThreadLocal CGLIB$THREAD_CALLBACKS;
    private static final Callback[] CGLIB$STATIC_CALLBACKS;
    private MethodInterceptor CGLIB$CALLBACK_0;
    private static final Method CGLIB$getHalloWorld$0$Method;
    private static final MethodProxy CGLIB$getHalloWorld$0$Proxy;
    private static final Object[] CGLIB$emptyArgs;
    private static final Method CGLIB$finalize$1$Method;
    private static final MethodProxy CGLIB$finalize$1$Proxy;
    private static final Method CGLIB$equals$2$Method;
    private static final MethodProxy CGLIB$equals$2$Proxy;
    private static final Method CGLIB$toString$3$Method;
    private static final MethodProxy CGLIB$toString$3$Proxy;
    private static final Method CGLIB$hashCode$4$Method;
    private static final MethodProxy CGLIB$hashCode$4$Proxy;
    private static final Method CGLIB$clone$5$Method;
    private static final MethodProxy CGLIB$clone$5$Proxy;

    static void CGLIB$STATICHOOK1() {
        CGLIB$THREAD_CALLBACKS = new ThreadLocal();
        CGLIB$emptyArgs = new Object[0];
        Class var0 = Class.forName("com.tqy.document.reader.extention.demo2.TestInterfaceImpl$$EnhancerByCGLIB$$6ad87311");
        Class var1;
        Method[] var10000 = ReflectUtils.findMethods(new String[]{"finalize", "()V", "equals", "(Ljava/lang/Object;)Z", "toString", "()Ljava/lang/String;", "hashCode", "()I", "clone", "()Ljava/lang/Object;"}, (var1 = Class.forName("java.lang.Object")).getDeclaredMethods());
        CGLIB$finalize$1$Method = var10000[0];
        CGLIB$finalize$1$Proxy = MethodProxy.create(var1, var0, "()V", "finalize", "CGLIB$finalize$1");
        CGLIB$equals$2$Method = var10000[1];
        CGLIB$equals$2$Proxy = MethodProxy.create(var1, var0, "(Ljava/lang/Object;)Z", "equals", "CGLIB$equals$2");
        CGLIB$toString$3$Method = var10000[2];
        CGLIB$toString$3$Proxy = MethodProxy.create(var1, var0, "()Ljava/lang/String;", "toString", "CGLIB$toString$3");
        CGLIB$hashCode$4$Method = var10000[3];
        CGLIB$hashCode$4$Proxy = MethodProxy.create(var1, var0, "()I", "hashCode", "CGLIB$hashCode$4");
        CGLIB$clone$5$Method = var10000[4];
        CGLIB$clone$5$Proxy = MethodProxy.create(var1, var0, "()Ljava/lang/Object;", "clone", "CGLIB$clone$5");
        CGLIB$getHalloWorld$0$Method = ReflectUtils.findMethods(new String[]{"getHalloWorld", "()Ljava/lang/String;"}, (var1 = Class.forName("com.tqy.document.reader.extention.demo2.TestInterfaceImpl")).getDeclaredMethods())[0];
        CGLIB$getHalloWorld$0$Proxy = MethodProxy.create(var1, var0, "()Ljava/lang/String;", "getHalloWorld", "CGLIB$getHalloWorld$0");
    }

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

    public final String getHalloWorld() {
        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$getHalloWorld$0$Method, CGLIB$emptyArgs, CGLIB$getHalloWorld$0$Proxy) : super.getHalloWorld();
    }

    final void CGLIB$finalize$1() throws Throwable {
        super.finalize();
    }

    protected final void finalize() throws Throwable {
        MethodInterceptor var10000 = this.CGLIB$CALLBACK_0;
        if (this.CGLIB$CALLBACK_0 == null) {
            CGLIB$BIND_CALLBACKS(this);
            var10000 = this.CGLIB$CALLBACK_0;
        }

        if (var10000 != null) {
            var10000.intercept(this, CGLIB$finalize$1$Method, CGLIB$emptyArgs, CGLIB$finalize$1$Proxy);
        } else {
            super.finalize();
        }
    }

    final boolean CGLIB$equals$2(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$2$Method, new Object[]{var1}, CGLIB$equals$2$Proxy);
            return var2 == null ? false : (Boolean)var2;
        } else {
            return super.equals(var1);
        }
    }

    final String CGLIB$toString$3() {
        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$3$Method, CGLIB$emptyArgs, CGLIB$toString$3$Proxy) : super.toString();
    }

    final int CGLIB$hashCode$4() {
        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$4$Method, CGLIB$emptyArgs, CGLIB$hashCode$4$Proxy);
            return var1 == null ? 0 : ((Number)var1).intValue();
        } else {
            return super.hashCode();
        }
    }

    final Object CGLIB$clone$5() 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$5$Method, CGLIB$emptyArgs, CGLIB$clone$5$Proxy) : super.clone();
    }

    public static MethodProxy CGLIB$findMethodProxy(Signature var0) {
        String var10000 = var0.toString();
        switch(var10000.hashCode()) {
        case -1662339427:
            if (var10000.equals("getHalloWorld()Ljava/lang/String;")) {
                return CGLIB$getHalloWorld$0$Proxy;
            }
            break;
        case -1574182249:
            if (var10000.equals("finalize()V")) {
                return CGLIB$finalize$1$Proxy;
            }
            break;
        case -508378822:
            if (var10000.equals("clone()Ljava/lang/Object;")) {
                return CGLIB$clone$5$Proxy;
            }
            break;
        case 1826985398:
            if (var10000.equals("equals(Ljava/lang/Object;)Z")) {
                return CGLIB$equals$2$Proxy;
            }
            break;
        case 1913648695:
            if (var10000.equals("toString()Ljava/lang/String;")) {
                return CGLIB$toString$3$Proxy;
            }
            break;
        case 1984935277:
            if (var10000.equals("hashCode()I")) {
                return CGLIB$hashCode$4$Proxy;
            }
        }

        return null;
    }

    public TestInterfaceImpl$$EnhancerByCGLIB$$6ad87311() {
        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) {
        TestInterfaceImpl$$EnhancerByCGLIB$$6ad87311 var1 = (TestInterfaceImpl$$EnhancerByCGLIB$$6ad87311)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);
        TestInterfaceImpl$$EnhancerByCGLIB$$6ad87311 var10000 = new TestInterfaceImpl$$EnhancerByCGLIB$$6ad87311();
        CGLIB$SET_THREAD_CALLBACKS((Callback[])null);
        return var10000;
    }

    public Object newInstance(Callback var1) {
        CGLIB$SET_THREAD_CALLBACKS(new Callback[]{var1});
        TestInterfaceImpl$$EnhancerByCGLIB$$6ad87311 var10000 = new TestInterfaceImpl$$EnhancerByCGLIB$$6ad87311();
        CGLIB$SET_THREAD_CALLBACKS((Callback[])null);
        return var10000;
    }

    public Object newInstance(Class[] var1, Object[] var2, Callback[] var3) {
        CGLIB$SET_THREAD_CALLBACKS(var3);
        TestInterfaceImpl$$EnhancerByCGLIB$$6ad87311 var10000 = new TestInterfaceImpl$$EnhancerByCGLIB$$6ad87311;
        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();
    }
}

對比源碼

public class TestInterface$$EnhancerByCGLIB$$72f42620 implements TestInterface, Factory

public class TestInterfaceImpl$$EnhancerByCGLIB$$6ad87311 extends TestInterfaceImpl implements Factory

可知

對接口進行代理的cglib，最後生成的源碼是實現了該接口和Factory接口
對實現類進行代理的cglib，最後生成的源碼是繼承了實現類並實現了Factory接口

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版權所有：tengqingya 轉載請註明出處

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