> -----Original Message-----
> From: Huxi LI [mailto:[EMAIL PROTECTED]
> Sent: Friday, 28 April 2006 5:54 PM
> To: [email protected]
> Subject: Asking for new feature: Self-Discovery of service to
> make Ant a real extensible system
>
> **Hi everyone,
>
> I would like to launch a discussion about implementation of
> self-discovery feature in Ant.
> The idea is that when users drop a jar in share directory,
> all custiom tasks and datatypes should be discovered
> automatically by Ant. The same is true when jars are removed
> from the share directory.
The principal of self-discovery is possible based on the namespace controls
already in current Ant. By adding a custom ComponentHelper you can
intercept task loading requests. For example, the ComponentHelper class
includes the following operation:
public Object createComponent( String name )
{
....
}
In the above method invocation the 'name' parameter is supplied in the form
'namespace':'task'. If the namespace is a manageable namespace (i.e.
something you can use to resolve the actual resources), then you can auto
load the task.
An example of this approach is available in the Transit antlib [1].
Cheers, Steve.
[1] http://www.dpml.net/transit/tasks/index.html
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