From: jeljer te Wies <jeljer@...>
Date: 2010-08-28T17:34:53+09:00
Subject: Re: how to detect used protocol (SOAP, JSON, XML etc.)

Ehm guys. Why are you all commenting on a 6 months old  post  ;)
I solved the problem already!!

I choose to use the  TUple Space architecture. Then i can send just ruby 
objects over tcp !
(very nice)

thanxs for the replies though :P

Brian Candler wrote:
> Allan Bonadio wrote:
>> But of course you can legally stick in spaces so you could use this 
>> regex:
>> if (datastring..search(/^\s*[\[|\{]/) >= 0) ....
> 
> Note that even when fixed, that regexp would match
> <xml>
> [hello]
> </xml>
> 
> In Ruby you have to use \A to match start of string.
> 
> Anyway, I'd say this sort of attempted format detection is fairly 
> pointless at best, and dangerous at worst. Better to get the client to 
> tell you explicitly what it has sent. In the case of HTTP, this could be 
> via Content-Type: header or via the URL endpoint, e.g. /foo.xml. In the 
> case of a raw TCP protocol then you can use different port numbers.

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