Re: [SmartFrog-support] question on naming of components

Guijarro, Julio wrote:
> Hi Andreas,
> 
> How will you provide the username? 
> 
> The easiest way is to modify the "smartfrog" script . In the long term,
> we could modify the scripts so that they prefix the component name with
> an environment property if it exists and you would only need to provide
> that property (We accept patches :-) )
> 
> What do you think?
> 
> Julio
> 
> -----Original Message-----
> From: smartfrog-support-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> [mailto:smartfrog-support-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org] On Behalf Of
> Andreas Unterkircher
> Sent: 26 January 2007 14:27
> To: smartfrog-support
> Subject: [Smartfrog-support] question on naming of components
> 
> Hello,
> 
> we'd like to know who deployed a component by having the username in the
> 
> components name, e.g. one would have to do something like this:
> 
> sfStart host1 username_myComponent txt.sf
> 
> Now I'd like to have the username added automatically, i.e. the user
> types
> 
> sfStart host1 myComponent txt.sf
> 
> and the component gets deployed as username_myComponent.
> The most obvious way to achieve this for me would be to modify the 
> sfStart script. I wonder if there is some other (easy) way to achieve 
> this in SmartFrog ?
> 
> Thanks,
> Andreas


There's no real notion of username in java, because it isnt there in all 
versions of windows, mobile phones, printers, etc.

${user.home} is the closest there is to a username, and its really just 
the path to a home directory. This is implicitly available in a 
deployment descriptor, so could be extracted:

user.home PROPERTY user.home

However, your request makes me think. It makes me think that perhaps 
deployed components really need some metadata attached to them that 
records how they were deployed -hostname/ipaddr, time, ${user.home}. 
etc. You could certainly tweak the code behind sfStart to add these 
attributes, though there is always a risk of side effects.

-steve

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