how to get hold of the interfaces of java.lang.reflect.Proxy object?

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szczepiq - 26 Oct 2007 12:04 GMT

Let's say I have a proxy object. I want to know what's the interface
this proxy object was created with.

I know that I can check whether class is a dynamic proxy:

Proxy.isProxyClass(proxyObject.getClass())

But I want something like that:

Proxy.getInterfaces(proxyObject)

How can I do that? Is there a library that can help me? Or am I
missing something and this is very easy (yoopie!) or impossible
(errr.... let's get back to Ruby).

Thanks a bunch for any help!
Szczepan Faber

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Gordon Beaton - 26 Oct 2007 12:37 GMT

> Let's say I have a proxy object. I want to know what's the interface
> this proxy object was created with.

Class[] interfaces = proxyObject.getClass().getInterfaces();

/gordon

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szczepiq - 26 Oct 2007 13:07 GMT

> > Let's say I have a proxy object. I want to know what's the interface
> > this proxy object was created with.
[quoted text clipped - 4 lines]
>
> --

thanks guys,

that was truly simple =)

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Thomas Fritsch - 26 Oct 2007 12:38 GMT

> Let's say I have a proxy object. I want to know what's the interface
> this proxy object was created with.

You mean the interfaces, instead of the interface (?)

> I know that I can check whether class is a dynamic proxy:
>
[quoted text clipped - 7 lines]
> missing something and this is very easy (yoopie!) or impossible
> (errr.... let's get back to Ruby).

Class[] interfaces = proxyObject.getClass().getInterfaces();
should do the trick.
See
<http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html#getInterfaces()>

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Thomas

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how to get hold of the interfaces of java.lang.reflect.Proxy object?

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