Hi Gzombor,

On Nov 5, 2007 5:31 PM, Zsombor <[EMAIL PROTECTED]> wrote:

> On 11/5/07, Paulo Sergio <[EMAIL PROTECTED]> wrote:
> >
> > Hi Robert,
> >
> > On 11/5/07, Robert Burrell Donkin <[EMAIL PROTECTED]> wrote:
> > >
> > > On Nov 4, 2007 8:21 PM, Paulo Sergio <[EMAIL PROTECTED]> wrote:
> > > > Hi all,
> > >
> > > hi paulo
> > >
> > > > i've been following the  discussion  and  i would like to give my
> > > opinion
> > > > (although i'm not an expert).
> > > > i think we are forgetting an important thing, we are designing an
> API
> > > > thinking about the existent protocols, although i think we should
> > think
> > > also
> > > > in  what's next :) .
> > > >
> > > > In my case, i'm currently working in a web-service backend for james
> > > using
> > > > IMAP as a "front end protocol". Now i would like to start working in
> a
> > > push
> > > > mechanism, and i think about implementing IMAP Idle, i would have a
> > > server
> > > > sending the notification to james server, witch then would send the
> > > > notification to the client.
> > > >
> > > > Well, this is one of the problems i think james has (correct me if
> i'm
> > > > wrong), it lacks any type of push mechanism.
> > > > In my case the server could send a session id to james, indicating
> > what
> > > > client should retrieve the new mails, the problem would be to get
> the
> > > > session of the user that should be notified..
> > > >
> > > >
> > > > in my opinion i believe we should have some king of way of sending a
> > > > notification/event to the mailbox or even  better to any session,
> > these
> > > > would be send by an external server (my case) or by events sent by
> > james
> > > > server (ex:  when a message is received, check if the user is
> > connected
> > > and
> > > > if it is send a notification to the session)
> > >
> > > ATM the API allows mailbox listeners to be registered but the current
> > > interfaces aren't great. a single method accepting an event is more
> > > concise and extensible than including all calls in an interface.
> > >
> > > IDLE was touched upon earlier. Zsombor suggested that listeners would
> > > registered at the mailboxmanager level. if the API were switched to
> > > use events then every listener could receive events for every mailbox
> > > and then ignore any that were of no interest. novel events could be
> > > injected into the system by the backend implementation. listeners
> > > would ignore any events they did not understand.
> > >
> > > would this mechanism be good enough?
> >
> >
> > i believe so, but you mean  that each  user connected would be able to
> > register as a listener and then be notified when something happens?
> > what about notifications from an external service ? how will these work?
>
>
> With shared mailboxes and the NOTIFY extension the user can receive
> notifications about new mails. I don't know what do you want from external
> services, and how it is related to the IMAP protocol. Probably you can
> hijack this infrastructure, to add some custom IMAP command and response,
> but in that case, you have to write a specific client too, but I think
> it's
> simpler to write your own protocol, and own little server application.
>

well, my architecture will have three main components: james server(acting
as the server that the clients will connect to), a web- service(witch will
act as James backend, containing all the mails and folders and validating
the user/password) and a third component that is a notification server
(witch will send a notification).
the notification will be sent to james server.. although this server will
only notify the server, and u would need it no totify the user session.. is
this possible? could you tell me where do i find info about shared mailboxes
and the notify extension?

Thanks for the help,
Paulo F.

>
> BR,
>  Zsombor
>
>
> ps. however I hope that you can contribute to the IMAP module, anyway :)
>
>
> Thanks,
> > paulo f
> >
> > another open question is whether an explicit API session would be a
> > > useful to tie things together. something like a session would probably
> > > be needed to reduce the number of factory method calls required to
> > > obtain an API for a particular mailbox.
> > >
> > > - robert
> > >
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> > >
> >
>

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