On Tue, Jun 26, 2012 at 11:46 AM, Benjamin Piwowarski <
benjamin.piwowar...@lip6.fr> wrote:

> Hi,
>
> On Jun 26, 2012, at 17:36 , Gary Gregory wrote:
>
> > After a brief glance, my first impression is that we should stick to
> > something more simple, like we have now on FileObject. We have
> > isWritable(), so we could add setWritable().
> >
> > Adding a class hierarchy and more fancy permissions feels like it leaks
> > into Java 7-land.
> >
> > I see two avenues:
> > - a simple solution for VFS2
> > - start VFS3 based on Java 7, which will not look anything like the VFS
> we
> > know today.
>
> I agree that it looks a bit like Java 7 (I did not know the new metadata
> classes, i.e.
> http://docs.oracle.com/javase/tutorial/essential/io/fileAttr.html ) -
> actually we could mimic some of the classes for the implementation. I don't
> know the roadmap for VFS2/3 (when is VFS3 planned if at all?), but going in
> the VFS3 direction already would reduce the number of modification when
> upgrading from VFS2.
>

I do not think there is a VFS3 direction beyond "we'll provide Java 7
FileSystem implementations". Whether or not there is an interoperability
layer for VFS2 I do not know. I'd rather see a clean break.

>
> I can stick to the current interface though, and add some methods for
> read/write/execution flags.
>

That seems like the simplest approach today.

Gary


>
> Benjamin
>
> >
> > Gary
> >
> > On Tue, Jun 26, 2012 at 10:52 AM, Benjamin Piwowarski <
> benja...@bpiwowar.net
> >> wrote:
> >
> >> Hi,
> >>
> >> I started to implement a file permission (or more generally a file
> >> properties) framework for VFS. I attached a patch to VFS-405 issue (
> >> https://issues.apache.org/jira/browse/VFS-405 ) since it matches the
> bug
> >> description.
> >>
> >> The patch 0001 adds basic permission support in the form of a
> >> FileProperties (more general) object that can be accessed through
> >> getFileProperties in FileObject. In the patch, there are four types of
> >> properties:
> >>       • FileProperties: the abstract base class
> >>       • AbstractPermission: the abstract base class for permission
> >> properties
> >>       • JavaPermissions: java like file permissions
> >>       • PosixPermissions: POSIX (user/group/others) permissions
> >> The patch provides initial support for sftp and local filesystem.
> >>
> >> In the longer term, it would make some methods (isHidden, etc.)
> deprecated
> >> since the functionality would be duplicated.
> >>
> >> Please comment on this before I put more efforts in this patch.
> >>
> >> Benjamin
> >>
> >> On Jun 25, 2012, at 20:29 , Gary Gregory wrote:
> >>
> >>> On Mon, Jun 25, 2012 at 1:03 PM, Benjamin Piwowarski
> >>> <benja...@bpiwowar.net>wrote:
> >>>
> >>>> Hi all,
> >>>>
> >>>> I was wondering if there were any plans for the "Get/set the file
> >>>> permissions" item in the TODO list. I would like to contribute on that
> >> (at
> >>>> least for sftp and local), but I would like to know the planned
> >>>> architecture for such a feature (if any).
> >>>>
> >>>
> >>> Not from me ATM. Feel free to give it a go.
> >>>
> >>> Can anyone see reason why we should not have setters like we have
> getters
> >>> for:
> >>>
> >>> - org.apache.commons.vfs2.FileObject.isHidden()
> >>> - org.apache.commons.vfs2.FileObject.isReadable()
> >>> - org.apache.commons.vfs2.FileObject.isWriteable()
> >>>
> >>> Should there also be other checks? isExecutable()?
> >>>
> >>> Gary
> >>>
> >>>
> >>>>
> >>>> Thanks
> >>>> Benjamin Piwowarski
> >>>> ---------------------------------------------------------------------
> >>>> To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org
> >>>> For additional commands, e-mail: dev-h...@commons.apache.org
> >>>>
> >>>>
> >>>
> >>>
> >>> --
> >>> E-Mail: garydgreg...@gmail.com | ggreg...@apache.org
> >>> JUnit in Action, 2nd Ed: <http://goog_1249600977>http://bit.ly/ECvg0
> >>> Spring Batch in Action: <http://s.apache.org/HOq>http://bit.ly/bqpbCK
> >>> Blog: http://garygregory.wordpress.com
> >>> Home: http://garygregory.com/
> >>> Tweet! http://twitter.com/GaryGregory
> >>
> >> --
> >> Benjamin Piwowarski
> >> LIP6/CNRS, University Pierre et Marie Curie (UPMC)
> >> case 169 – 4, Place de Jussieu – 75252 Paris cedex 05 – France
> >> benja...@bpiwowar.net
> >> http://www.bpiwowar.net/
> >>
> >>
> >> ---------------------------------------------------------------------
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> >>
> >>
> >
> >
> > --
> > E-Mail: garydgreg...@gmail.com | ggreg...@apache.org
> > JUnit in Action, 2nd Ed: <http://goog_1249600977>http://bit.ly/ECvg0
> > Spring Batch in Action: <http://s.apache.org/HOq>http://bit.ly/bqpbCK
> > Blog: http://garygregory.wordpress.com
> > Home: http://garygregory.com/
> > Tweet! http://twitter.com/GaryGregory
>
>
>
>
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>


-- 
E-Mail: garydgreg...@gmail.com | ggreg...@apache.org
JUnit in Action, 2nd Ed: <http://goog_1249600977>http://bit.ly/ECvg0
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