Check the Javadocs for FileOperation/s. It's intended to be used for "extensions" to the core API that could be provided by some implementations (the example given is a version control system, such as CVS/SVN).
On Mon, Jul 14, 2008 at 7:13 AM, Frank van der Kleij <[EMAIL PROTECTED]> wrote: > > Ah, now I see! Sorry, I tried to refer to the 'FileOperations': > FileObject.getOperations(). > > There is some code in org.apache.commons.vfs.operations and > org.apache.commons.vfs.operations.vcs. > > Thanks for helping me clarify. > > Frank > >> Date: Mon, 14 Jul 2008 06:38:25 -0400 >> From: [EMAIL PROTECTED] >> To: user@commons.apache.org >> Subject: Re: [VFS] How to use operations >> >> What I'm getting at is that if you stick to the VFS public API (the >> FileObject interface), you should have a pretty good idea of what >> operations are available across the different implementations. Of >> course, some implementations don't support all operations (HTTP can't >> give you a directory listing for instance). >> >> >> On Mon, Jul 14, 2008 at 5:41 AM, Frank van der Kleij <[EMAIL PROTECTED]> >> wrote: >> > >> > Yes, I guess so; are there other APIs? I don't see where you getting at... >> > >> > Thanks, >> > >> > Frank >> > >> >> Date: Sun, 13 Jul 2008 21:37:26 -0400 >> >> From: [EMAIL PROTECTED] >> >> To: user@commons.apache.org >> >> Subject: Re: [VFS] How to use operations >> >> >> >> Are you sticking to the FileObject API? >> >> >> >> On Sun, Jul 13, 2008 at 2:41 PM, Frank van der Kleij <[EMAIL PROTECTED]> >> >> wrote: >> >> > >> >> > Hi all, >> >> > >> >> > I'm toying with my own VFS operations but I can't quite figure out how >> >> > to work with them. >> >> > >> >> > I >> >> > don't see how a client of the VFS framework should use the operations; >> >> > other than when the client has prior knowledge of the operations that >> >> > exist. >> >> > >> >> > I wrote a beanshell script that rewrites the basic >> >> > beanshell interpreter file manipulations (cd, pwd, cp, mv etc) to VFS >> >> > manipulations. It works great and I can use my custom provider (for >> >> > Documentum) without any problem within the beanshell interpreter. When >> >> > I tried to add support for operations I found that it is difficult to >> >> > make it generic though. >> >> > >> >> > I added some operations to my provider >> >> > just to try; when I list the available operations I get a list of >> >> > Classes. As a user it is quite hard to interpret this. I could try to >> >> > use Reflection, but a user readable description of what the operation >> >> > seems far away. >> >> > >> >> > In my view the operations only become >> >> > interesting when they are usable by a generic VFS client. If the client >> >> > is specific for the operations (I guess most operations are related to >> >> > a provider for a particular schema) then I don't see the need to have >> >> > the intermediate VFS layer, you can as well create a client based >> >> > directly on the underlying layer. >> >> > >> >> > Does anyone have any experience with using the operations? >> >> > >> >> > Thanks, >> >> > >> >> > Frank >> >> > _________________________________________________________________ >> >> > Express yourself instantly with MSN Messenger! Download today it's FREE! >> >> > http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/ >> >> >> >> --------------------------------------------------------------------- >> >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> >> > >> > _________________________________________________________________ >> > Express yourself instantly with MSN Messenger! Download today it's FREE! >> > http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/ >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> > > _________________________________________________________________ > Express yourself instantly with MSN Messenger! Download today it's FREE! > http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/ --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
