subversion@smartcvs.com wrote:
> Hi,
>
> my name is Thomas Singer and I'm the author of SmartCVS. Since a
> couple of SmartCVS users asked me about a "SmartSVN", I need to
> estimate the required effort. A lot of features we have implemented in
> SmartCVS only were possible, because the used JavaCVS-library
> (javacvs.netbeans.org) was written in 100% Java. Hence we are thinking
> about writing a 100% Java (Open Source) subversion client library
> instead of using DLLs or command line executables.
You're not the first person to ask about this, and you're in for very,
very big trouble, even if you don't try to implement the file:// access
method. You'll have to do at least the following:
* remplement a WebDAV/DeltaV client layer<>
* <>remplement a svnserve-protocol layer
* <>reimplement the working-copy management library
before you can even start thinking about an actual client. If you want
file:// access in "100% java", you'll have to rewrite all of Berkeley DB
-- an impossible task, IMHO.
> My questions:
> - Are there any existing projects with the same goal?
Not as far as I know.
> - Where can I find design documents, which give a developers view of
> the tasks a subversion client needs to implement?
The Subversion source is the best reference. The APIs are very well
documented, and the command-line client serves as an example of how to
use them.
> - How to capture the data send between the command line subversion
> client and the server?
Why would you want to do that? All our protocols are documented, some in
RFCs. Of course, you can always do an etherreal trace, which is what we
do for debugging if worse comes to worst.
> Thanks in advance for your feed-back and co-operation.
All that said, I think you're making a big mistake trying to rewrite
Subversion in Java. You'd be duplicating years of effort, for no real
gain that I can see. You'd do much better to use our existing Java bindings.
-- Brane
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Received on Fri Jun 25 14:43:52 2004