velocity-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Geir Magnusson Jr." <ge...@optonline.net>
Subject Re: Loading multiple jars
Date Sat, 03 Mar 2001 19:27:59 GMT
Jason van Zyl wrote:
> 
> > > I am just changing that code now, I was trying to
> > > have it ready for you by the time you got it :-)
> 
> Actually what ended up being changed is the ResourceManager:
> now the ResourceManager passes on a subset of the
> velocity.properties to the loaders in the standard
> ResourceManager.init(), but it now makes the properties
> available as a class like VelocityResources. I actually
> took the GenericResources from Turbine. The upshot
> is that with the resource loader being initialized with
> a GenericResources class you can do things like the
> following:
> 
> public void init(GenericResources resources)
> {
>     Vector paths = resources.getVector("resource.path");
>     String whatever = resource.getString("resource.whatever");
> }
> 
> What I have now is working but I would like to clean
> it up some more and try to make a single Resources class
> that maybe is not named GenericResources/VelocityResources
> as the name is quite confusing given our use of resources
> label in other parts of Velocity. I was going to chat
> with Jon about it as he co-wrote the Configurations/ExtendedProperties
> classes that are the base of the VelocityResources class.

This sounds great, actually :)

> 
> I added, what I think, is a useful method in the VelocityResources
> where you can easily grab a subset of resources and have it
> returned as a resources class as well. So in the resource
> manager I grab the subset of resources that pertain to the
> resource loader and initialize with that instead of a Map.
> It's confusing because of the nomenclature, but the code
> inside the ResourceManager is a lot cleaner now.

+1
 
> > I guess I don't understand why this wouldn't simply be left to the
> > loader implementation, since I assume that loaders can have different
> > property sets anyway.
> 
> It's all done in the ResourceManager, and loaders now get
> a subset of properties that pertain to them when they
> are initialized.
> 
> > If a loader can support multiple 'nodes' (jars, files, datasources,
> > hamsters...), then it deals with that itself in its own init().
> 
> Yup, that's what's happening. I will clean this up today
> and try out multiple paths in the file resource loader.

This sounds great.

-- 
Geir Magnusson Jr.                               geirm@optonline.com
Developing for the web?  See http://jakarta.apache.org/velocity/

Mime
View raw message