java-proxy-demo

this is a project about java proxy, including:

• jdk dynamic proxy
• cglib

Jdk Dynamic Proxy

Involved Main Classes and Methods:

• Proxy

  • Object Proxy.newProxyInstance((ClassLoader loader, Class<?>[] interfaces, InvocationHandler h)

• InvocationHandler

  • Object InvocationHandler invoke(Object proxy, Method method, Object[] args) throws Throwable

Jdk Dynamic Proxy is a framework for Interface-oriented proxy type.

Cglib Dynamic Proxy

Involved Main Classes and Methods:

• Enhancer

  • Object Enhancer.create(Class type, Callback callback);

• MethodInterceptor

  • Object MethodInterceptor intercept(Object object, Method method, Object[] args, MethodProxy methodProxy) throws Throwable

Cglib can proxy any Object whether the target class implements Interface.

In Spring AOP Framework, the default is Jdk Dynamic Proxy, if the bean implements Interface, then Spring will automatically choose Cglib to init bean.