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From Jörg Schaible <>
Subject Re: [proxy] Changing the API to an interface (AGAIN)...
Date Sat, 17 Jul 2010 10:30:42 GMT
Matt Benson wrote:

> On Jul 16, 2010, at 5:40 PM, Jörg Schaible wrote:
>> James Carman wrote:
>>> On Fri, Jul 16, 2010 at 5:09 PM, Matt Benson <>
>>> wrote:
>>>> But you can agree that making the first class a separate argument
>>>> preserves the usability of varargs while accomplishing the typed result
>>>> in a single method?
>>> Most definitely!  I like that idea.  I would think that would be the
>>> best way to kill two birds with one stone.
>> This move worked out for proxytoys quite well ... ;-)
> Actually it looks as though proxytoys' ProxyFactory interface uses the
> trick I just wrote about a minute ago.
> And why did I never hear of proxytoys before?

Well, Apache is much more prominent than Codehaus, although in terms of 
project age, ProxyToys is older. However, both projects were created out of 
extracted code from other projects; commons-proxy from Hivemind (IIRC) and 
ProxyToys from various Thoughtworks OS projects, most prominent 

As James explained, the approach of both libraries is different, common-
proxy allows a better optimization, while ProxyToys come with a lot of 
prebuild stuff called "toys".

All I wanted to point out that we refactored the API when updating the 
project to Java 5. Originally we used static methods as factories for the 
various toys, but now we switched to builder patterns using a lot of 
generics and varargs and that turned out quite well. c-p might benefit from 
this experience.

- Jörg

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