Re: Dynamic method invocation on Proxy object?

Steven Simpson <ss@domain.invalid>
Wed, 08 Feb 2012 10:34:25 +0000
On 08/02/12 08:19, Sebastian wrote:

However, when delegate is itself a proxy, then delegate.getClass()
will give me Proxy,

Are you sure? I get $Proxy0 from this:

import java.lang.reflect.*;

public class GetProxyClass {
     public static void main(String[] args) throws Exception {
         ClassLoader classLoader =
         InvocationHandler behaviour = new InvocationHandler() {
                 public Object invoke(Object proxy, Method method,
                                      Object[] args) {
                     System.out.println("Called " + method);
                     return null;
         Object proxy =
                                    new Class<?>[] { Runnable.class },
         Class<?> proxyClass = proxy.getClass();
         System.out.println("Proxy class is: " + proxyClass);

         Method m = proxyClass.getMethod("run", new Class<?>[0]);
         ((Runnable) proxy).run();


Proxy class is: class $Proxy0
Called public abstract void
Called public abstract void

It also demonstrates a method on the implemented interface being looked
up and invoked.

ss at comp dot lancs dot ac dot uk

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