From: Ezra Zygmuntowicz <ezmobius@...>
Date: 2007-02-23T06:35:03+09:00
Subject: Re: Best way to get a class object from its name?

Hi~

On Feb 22, 2007, at 1:21 PM, Wes Gamble wrote:

> All,
>
> In my Rails app., I'm doing something like this:
>
> eval("#{requested_controller_class}.respond_to? 
> ('session_data_not_needed_by?')")
>
> where requested_controller_class is the name of an existing  
> (controller)
> class.
>
> Is the above code the best of way of invoking respond_to? on the class
> in question, or is there some better way to get the actual class  
> object
> based solely on it's name?
>
> Thanks,
> Wes


	Since you are in a Rails app the better way of doing that would be  
like this:

requested_controller_class.constantize.respond_to? :session_data_not_nee 
ded_by?


Cheers-
-- Ezra Zygmuntowicz 
-- Lead Rails Evangelist
-- ez@engineyard.com
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