On Wed, 2004-01-14 at 00:22, Alex Karasulu wrote:
The one caveat I can think of would be figuring out the type of resource, since it could be a jar (with embedded block.xml) or one of those .bar things that Stephen had once. I'd prefer to just reference an XML page since that requires less network traffic. So maybe:
merlin -launch appGroup:appName:type-VERSION
I agree with the XML reference. But perhaps it might be worth keeping
the type incase you switch the way you access the directory of applications at your disposal :-). Or better yet what about using a URL instead?
A URL is definitely an option. In fact, that's where the idea kinda started. As Niclas pointed out, you can already do something like:
merlin -execute http://myserver.org/myCoolProject/block.xml
Seems to me that we have two options here:
URL Artifact spec
If we use a url we are not going through the repository, instead we would need to setup a separate cache with an index that keys resources against url.
If we use the artifact spec then we need to establish a more complete specification that what is currently recognized by Merlin. Currently you can select the merlin implementation using an artifact spec, but this has two associated problems:
a) the spec external form currently uses [group]:[name];[version]
but the ";" character is problematic on a unix command line
unless quoted (but this isn't a problem when used in a
properties file) b) the spec external form does not provide a way of declaring the
typeI'm currently thinking that a separate url cache would be better.
Stephen.
p.s. Thanks to Alexis for the note on the ";" issue
The idea of using the other naming approach (more of URN than URL) is that:
- It follows the same naming conventions in the block.xml
- It works well with the whole repository idea (and makes the repository transparent)
- If you have more than one repository, it should protect
against failing to hit one of the servers
- It makes it easy to handling Merlin caching the resource
for offline use (ie- a SNAPSHOT approach will work if nothing else)
But I'm sure it isn't perfect.
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