On Sun, Jun 13, 2010 at 6:24 PM, Thierry Boileau
<[email protected]> wrote:
> Hello Alex,
>
> could you precise the kind of adjustements you made?

Well, I've filed a couple small enhancement requests but I
really have more things that I haven't started yet in mind.

For just about every project where I've used Restlet, I've
developed a custom XML configuration for the component.
I did not switch over to try to use the XML configuration
provided by the  component when it became available.

My needs are somewhat more than what is provided by the
current configuration XML.  My current theory is that I should
be able to add to the configuration XML in Restlet to provide
what I need.  It doesn't look like I'm that far away.

For example, in my Xeerkat [1] project, I use this XML to
configure an agent:

<server xmlns='http://www.xeerkat.org/Vocabulary/Agent/Configuration/2007/1/0'>
   <!-- interfaces for http/https protocols -->
   <protocol name="http" address="*" port="8080"/>
   <!-- host names upon which the global services will be available
   <host name="localhost"/>
   -->
   <!-- global services
   <services href="services.xml"/>
   -->
   <agent id="[email protected]" password="password">
      <!-- host names on which the agent services will be available -->
      <host name="localhost"/>
      <services href="services.xml"/>
      <!-- You can add more services by just adding another service line
   <services href="services2.xml"/>
      -->
   </agent>
</server>

An agent binds a number of protocols running for the server and
then connects to the XMPP id.  In reality, what I should be doing
is attaching the services to the host or internal router and then
exposing them via internal proxies between the actual Application
instances.  I can do a lot of that with the current XML
configuration + my 'href' enhancement.

One issue I'll have to address is that a lot of my current systems
define global parameters/objects that are then used by applications
within a particular host.  In my Component instance, I copy those
particular objects as attributes in the child Context instance created
for those applications.  I'll have to see if there is a good way to
extract and represent that configuration pattern.

The XML configurations in my Atomojo [2] project are much more
complicated to convert over and I'm not sure that is appropriate there
but I do have a few candidates there as well.

Also, I keep developing the same kind of Component that needs to do
something at start/stop but otherwise does exactly what the Component
class does now.  I'd like to be able to configure a "module" that is started
and stopped with the component so that I don't have to subclass
Component.

I'm also curious as to how this kind of configuration XML is used in J2EE
hosted environments.  I just run my restlet instances directly using
Jetty or Grizzly.  I'd like this projects to be able to run in servlet
containers
as well but I don't see any good examples of people doing this with the
XML configuration files.  I'd like to know if anyone is doing that.

[1] http://code.google.com/p/xeerkat/
[2] http://code.google.com/p/atomojo/

--Alex Milowski

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