Confused about paths to assets.

[Alan Chandler <al...@chandlerfamily.org.uk>]

I am building my first component as a stand alone item to ultimately be 
packaged up in a jar and stored somewhere. $CATALINA_HOME/shared/lib ?

I'll then want to reference it in several applications I envisage building for 
my home web site.

Firstly I am not 100% sure what my directory structure should be.  Under 
eclipse I have set something along these lines

context
   images
   styles
   WEB-INF
       classes
src

Eclipse will populate context/WEB-INF/classes with the compiled java class 
from src, and I assume (when I get that far) can create a jar from the 
context directory contents.

The image and styles directories will contain assets for use by this 
component.

I do NOT (so far at least) have a component specification file because I have 
done all the setting of parameter bindings in the html file, and all the 
declaration of parameters using the @ annotations in the component class 
file.

In the declaration of  assets with this sort of combination. 

@asset("images/image.png")
public abstract IAsset getThisAsset();

The WEB-INF directory contains my html template file and a properties file 
(with some keys/strings for the component to use).

So Questions

1)  Is this the right structure for a component that will ultimately become a 
library component?

2) Am I using the right path in the @asset annotation in order to correctly 
locate the assets stored in the context/images directory. In particular do I 
need a leading '/'

3) I actually have an Apache configuration connected via jk_mount to tomcat 
and I would like to serve my assets up via Apache.

I know there are two parameters

org.apache.tapestry.asset.dir
and
org.apache.tapestry.asset.URL

If I set the first of these (org.apache.tapestry.asset.dir) to something like

/var/www/chandler

and have the subdirectories of 'images' and 'styles' underneath this directory

and then set the second (org.apache.tapestry.asset.URL) some just a simple /

Then if I have my document root in apache set to /var/www/chandler will 
tapestry copy the assets to the /var/www/chandler/images 
and /var/www/chandler/styles appropriately and correctly reference the URLs 
in the links that use them?

4) Are the above two configuration parameters configured in any application 
that uses my component?



-- 
Alan Chandler
http://www.chandlerfamily.org.uk

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