Extending & Changing Tapestry's HTML Template Selection Strategy

[Sasha Haghani <eq...@mail.com>]

I am somewhat new to Tapestry and am looking to use it for an multi-site web application project.  By "multi-site" I mean that I want to take the same basic site elements (i.e., page structure, navigation, content retrieval, dynamic/interactive elements, etc.) and simply "re-skin" them for multiple logical websites, which each have their own distinct look & feel and layout.  Obviously we're looking to squeeze a lot of reuse out of our codebase, making Tapestry an excellent candidate.
 
I am looking for ways to extend/redefine the way Tapestry determines which HTML template should be applied to a given component or page, based on properties of the request and visit.  By doing this I would hope to acheive some of the following:
 
- the strategy would dynamically resolve to the right template to be applied for a given page request (e.g., /XYZ/XYZ-home.html for a logical site "XYZ"), based on the logical site defined for the Visit
 
- fallback to an appropriate generic or common template if a site-specific variant is not found
 
- dynamically associate different HTML templates to the same generic underlying component specification (as we understand it, by default a component specification seems to be tied 1-to-1 with a single HTML template)
 
- have generic linking conventions which are dynamically mapped to the correct underlying page templates (i.e., linking to page "/search" for site "XYZ" from external links or using internal Tapestry PageLinks resolves to "/XYZ/XYZ-search.html"
 
I would appreciate any help, suggestions and guidance on how I could go about implementing this template-resolution strategy within Tapestry.  Pointers to the right spots in the codebase & Javadoc are also much appreciated.
 
Many thanks in advance.

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