I was wondering about how to implement workflow on top of WebDAV as well... at a purely theoretical level. I had thought about using extended elements/attributes in the file information, as it seems you can arbitrarily add them. I do not know if a workflow standard RFC exists somewhere or not, as I have not looked.
Considering the workflow mess and everybody rolling his own, if there is one standard, I doubt there is one which is not 100 times more complicated than it should be :)
I was also thinking about an interface for checking out, checking in, locking, reviewing, etc, etc. I know the cocoon slide block will let you upload via a web interface, but I couldn't download an arbitrary file type. It was the best start to an end user app that I have come across.
I think such interface is just additional feature on top of a WebDAV server. It would be used because of clients that do not support WebDAV protocol so then you find yourself with a need to publish documents via the web interface if you want to glue people to the portal (this can also be convenient from a remote point of view), of course this is piece of cake when using the explorer in Windows when you just have to map it...you just copy files like if it was another folder.
But for many customers, we are already reaching the far end of technical knowledge required to staff when ask to mess with file operations (I can see that already with people from my family that are not really used to computers as we do), therefore the interface is just a welcome helper and central point of operation, it is closer to the 'email habits' they are used to and stick to it.
There is a sample in the Cocoon webdav block that uses DASL to query a slide repository. Is DASL completely dead? Reading http://www.webdav.org/dasl/ it does not seem like it is very lively. I was just wondering at which level such an application would need to be written... DASL, WebDAV API, Slide API, all of them? Ideally it would be nice if it wasn't 100% specific to Slide.
Thanks for pointing that out.
If you look at the current draft section, there is one dated from september 30:
http://greenbytes.de/tech/webdav/draft-reschke-webdav-search-07.html
Stephane
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