Re: Design discussion

Hi,

you could try using some AJAX in your design. See the Java BluePrints
solutions catalog project which has a new category for AJAX at
https://bpcatalog.dev.java.net/nonav/ajax/index.html

hth,
Sean
Maya menon wrote:

> Thanks everyone for their inputs.
>
> I have another question with regards to the flashing icon.
> Currently the icon exists in the tool bar. How can we have the icon in
> the tool bar from a web app ?
>
> */Martï¿½ï¿½n Cabrera <martin.cabrera@(protected):
>
> you can build an applet that runs invisible in your jsp page...the
> applet will be waiting for server notifications. Every time the
> applet receives a notification, it can forces your web page to
> refresh data. For server side, you should implement a simple
> server that will have a private session for every connected appplet.
>
> Hope this helps.
>
> Martï¿½ï¿½n.
>
> ------------------------------------------------------------------------
> *De:* An interest list for Sun Java Center J2EE Pattern Catalog
> [mailto:J2EEPATTERNS-INTEREST@(protected)
> *Enviado el:* martes, 12 de abril de 2005 13:38
> *Para:* J2EEPATTERNS-INTEREST@(protected)
> *Asunto:* Re: Design discussion
>
> *
> I saw a product once that used Javascript to interact with an
> applet, which then established network connections on its behalf.
> I think in that case it was only using straight "pull" HTTP
> requests, but presumably you could open a connection that would
> accept a server-initiated "push".
>
> I would expect such an approach to be pretty involved, but you
> might want to research it more.
>
> Regards,
> Jon Petruk
>
>
> On Tue, 12 Apr 2005 12:22:07 -0400, Vijay K Dasari wrote*
> > In Client/ Server model using thick clients like SWING, we can
> use an Observer Pattern ( Publish/Subscribe ), where
> > the client subscribes to the messages. when the server gets a
> new message, it can notify all the subscribers(users).
> >
> > As Web (HTTP) is stateless, the client has to ask the server for
> the new messages.
> > Client can make request to a servlet(which tells whether the
> user has any new messages) at certain time intervals.
> > In html we can use the "Refresh" metatag. which looks something
> like
> >
> > <meta http-equiv="Refresh"
> content="1800;URL=/servlet/checkNewMessages.do"/>
> >
> >
> > Vijay.
> >
> >
>
>
> > -----Original Message-----
> > *From:* An interest list for Sun Java Center J2EE Pattern
> Catalog [mailto:J2EEPATTERNS-INTEREST@(protected)
> Of *Maya menon
> > *Sent:* Tuesday, April 12, 2005 11:36 AM
> > *To:* J2EEPATTERNS-INTEREST@(protected)
> > *Subject:* Design discussion
> >
> >
> > Our client/server application which work realtime:
> > Currently we have a client/server application. Our users log
> into the client and the system delivers messages to the users.
> > when a new message arrives the users see a signal flashing
> and therby gets notified about the
> > new message.
> >
> > Now this client needs to be transformed into a web based
> system.
> >
> > Instead of the clients logging into the client window, now
> the users log into the web site.
> > The same feature has to be provided.
> > when a new message arrives the users have to see a signal
> flashing and therby gets notified about the
> > new message.
> > Can you all please suggest a good J2ee design approach for
> this ?
> >
> > How do we enable the flashing signal ? I need some suggestions.
> >
> > Thanks,
> >
> >
> >
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Re: Design discussion

Sean Brydon

2005-05-17