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Posted to users@cocoon.apache.org by Peeths <an...@yahoo.co.in> on 2005/06/20 15:39:28 UTC
integrate cocoon and ejb
hi,
i'm bulding up an application in cocoon , and i want
to integrate ejb with cocoon , how can i do that , any
configuration file that we have to do , or can we
integrate in the sitemap itself
regards
Peeths
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Re: integrate cocoon and ejb
Posted by Geert Josten <Ge...@daidalos.nl>.
> 3. Do something else. This is the approach we are currently using. We
> wrote a generic "BusinessDelegate" component that is configured in
> cocoon.xconf. A new instance of the BusinessDelegate is configured for
> each method that can be called. It returns a DataTransferObject as a
> request attribute. We then have a "BeanGenerator" that uses Betwixt to
> convert the DTO into SAX events.
>
> We will probably convert to using flow (or possibly the faces block) to
> access our EJBs in the future as performing decisions based upon data in
> the DTO makes the sitemap cumbersome.
Interesting. I used option 1. combined with the SessionAttributeGenerator that is part of Cocoon
core (though you might have to add an extra generator in your sitemap). I created an object that
implements the XMLizable interface that comes with Excalibur package. All you have to write is the
toSAX function and the rest is sorted out by the SessionAttributeGenerator.
Though, I am probably not complying to EJB standards that well...
;)
Cheers,
Geert
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Re: integrate cocoon and ejb
Posted by Ralph Goers <Ra...@dslextreme.com>.
Cocoon doesn't provide any "automatic" integration with EJBs. There are
a couple of approaches:
1. Use flow (Flowscript or Javaflow). You call your EJBs from the flow
and then pass the objects through the pipeline.
2. The old way - use actions.
3. Do something else. This is the approach we are currently using. We
wrote a generic "BusinessDelegate" component that is configured in
cocoon.xconf. A new instance of the BusinessDelegate is configured for
each method that can be called. It returns a DataTransferObject as a
request attribute. We then have a "BeanGenerator" that uses Betwixt to
convert the DTO into SAX events.
We will probably convert to using flow (or possibly the faces block) to
access our EJBs in the future as performing decisions based upon data in
the DTO makes the sitemap cumbersome.
Ralph
Peeths wrote:
>hi,
>
>i'm bulding up an application in cocoon , and i want
>to integrate ejb with cocoon , how can i do that , any
>configuration file that we have to do , or can we
>integrate in the sitemap itself
>
>regards
>Peeths
>
>
>
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Re: integrate cocoon and ejb
Posted by Peeths <an...@yahoo.co.in>.
Thank you very much Geert , i'll look further for the
next concepts , in web.xml there is a reference
variable it seems called <ejb-ref> using that we can
conect , these much information i got from net , the i
have to go further how we'll connect it , thatnx a lot
regards
Peeths
--- Geert Josten <Ge...@daidalos.nl> wrote:
> Hi,
>
> I'm not an expert on this material, but more on the
> web.xml file can be found on:
>
> http://e-docs.bea.com/wls/docs61/webapp/web_xml.html
>
> (amongst others)
>
> Settings like datasources might require a real
> application server environment. E.g. something like
> Bea weblogics, Websphere, Oracle Application Server,
> JBoss, etc...
>
> I'm afraid I can't really help you any further, I
> have only little practical experience in this
> field..
>
> HTH,
> Geert
>
> Peeths wrote:
>
> > ok , so we can put the jar file in web-inf\lib and
> how
> > will the configuration in web.xml and how do we
> call
> > it , can you please specify
> >
> > regards
> > peeths
> >
> >
> > --- Geert Josten <Ge...@daidalos.nl> wrote:
> >
> >
> >>Hi,
> >>
> >>Most ejb configuration stuff is most likely to be
> >>put in the web.xml of cocoon. Java code can be
> >>added as a jar in the web-inf/lib/
> >>
> >>HTH,
> >>Geert
> >>
> >>Peeths wrote:
> >>
> >>
> >>>hi,
> >>>
> >>>i'm bulding up an application in cocoon , and i
> >>
> >>want
> >>
> >>>to integrate ejb with cocoon , how can i do that
> ,
> >>
> >>any
> >>
> >>>configuration file that we have to do , or can we
> >>>integrate in the sitemap itself
> >>>
> >>>regards
> >>>Peeths
> >>
> >>
> >
>
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> >
> >>To unsubscribe, e-mail:
> >>users-unsubscribe@cocoon.apache.org
> >>For additional commands, e-mail:
> >>users-help@cocoon.apache.org
> >>
> >>
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
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> --
> =====================================
> NB: het Daidalos kantoor is sinds 22 april
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> 2665 JZ Bleiswijk
> tel: +31 (0)10 850 12 00
> fax: +31 (0)10 850 11 99
>
> Bovenstaand adres is tevens het postadres.
> ======================
> Geert.Josten@Daidalos.nl
> IT-consultant at Daidalos BV
>
> http://www.daidalos.nl/
>
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Re: integrate cocoon and ejb
Posted by Geert Josten <Ge...@daidalos.nl>.
Hi,
I'm not an expert on this material, but more on the web.xml file can be found on:
http://e-docs.bea.com/wls/docs61/webapp/web_xml.html
(amongst others)
Settings like datasources might require a real application server environment. E.g. something like
Bea weblogics, Websphere, Oracle Application Server, JBoss, etc...
I'm afraid I can't really help you any further, I have only little practical experience in this field..
HTH,
Geert
Peeths wrote:
> ok , so we can put the jar file in web-inf\lib and how
> will the configuration in web.xml and how do we call
> it , can you please specify
>
> regards
> peeths
>
>
> --- Geert Josten <Ge...@daidalos.nl> wrote:
>
>
>>Hi,
>>
>>Most ejb configuration stuff is most likely to be
>>put in the web.xml of cocoon. Java code can be
>>added as a jar in the web-inf/lib/
>>
>>HTH,
>>Geert
>>
>>Peeths wrote:
>>
>>
>>>hi,
>>>
>>>i'm bulding up an application in cocoon , and i
>>
>>want
>>
>>>to integrate ejb with cocoon , how can i do that ,
>>
>>any
>>
>>>configuration file that we have to do , or can we
>>>integrate in the sitemap itself
>>>
>>>regards
>>>Peeths
>>
>>
> ---------------------------------------------------------------------
>
>>To unsubscribe, e-mail:
>>users-unsubscribe@cocoon.apache.org
>>For additional commands, e-mail:
>>users-help@cocoon.apache.org
>>
>>
>
>
>
>
>
>
>
>
> __________________________________________________________
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--
=====================================
NB: het Daidalos kantoor is sinds 22 april
jl. gevestigd op een nieuw adres:
Daidalos BV
Hoekeindsehof 1 - 4
2665 JZ Bleiswijk
tel: +31 (0)10 850 12 00
fax: +31 (0)10 850 11 99
Bovenstaand adres is tevens het postadres.
======================
Geert.Josten@Daidalos.nl
IT-consultant at Daidalos BV
http://www.daidalos.nl/
GPG: 1024D/12DEBB50
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Re: integrate cocoon and ejb
Posted by Peeths <an...@yahoo.co.in>.
ok , so we can put the jar file in web-inf\lib and how
will the configuration in web.xml and how do we call
it , can you please specify
regards
peeths
--- Geert Josten <Ge...@daidalos.nl> wrote:
> Hi,
>
> Most ejb configuration stuff is most likely to be
> put in the web.xml of cocoon. Java code can be
> added as a jar in the web-inf/lib/
>
> HTH,
> Geert
>
> Peeths wrote:
>
> > hi,
> >
> > i'm bulding up an application in cocoon , and i
> want
> > to integrate ejb with cocoon , how can i do that ,
> any
> > configuration file that we have to do , or can we
> > integrate in the sitemap itself
> >
> > regards
> > Peeths
>
>
---------------------------------------------------------------------
> To unsubscribe, e-mail:
> users-unsubscribe@cocoon.apache.org
> For additional commands, e-mail:
> users-help@cocoon.apache.org
>
>
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Re: integrate cocoon and ejb
Posted by Geert Josten <Ge...@daidalos.nl>.
Hi,
Most ejb configuration stuff is most likely to be put in the web.xml of cocoon. Java code can be
added as a jar in the web-inf/lib/
HTH,
Geert
Peeths wrote:
> hi,
>
> i'm bulding up an application in cocoon , and i want
> to integrate ejb with cocoon , how can i do that , any
> configuration file that we have to do , or can we
> integrate in the sitemap itself
>
> regards
> Peeths
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