zzkumar schrieb:
Hi All,
Hi,
I am new to Cocoon. We are planning to use Cocoon for report generation (XML
+ excel template passed through Cocoon = Excel file with values filled in).
I am able to generate the report when I deploy the cocoon as a web app.
Now the issue is, I want to integrate cocoon into my existing webapp. By
integrating I mean, I should use the web.xml of my current web application
and not the one from cocoon. i.e. every request should go through my old
web.xml.
and when I say generate report, it should invoke methods from Cocoon and
generate reports.
For ex. I want to have a method like : public Object generateReport(String
xlsPath, String excelTemplatePath) and this method should invoke classes
from Cocoon, generate report and return the report.
Please let me if this is possible. Also please direct me to some documents,
links on this.
I am strictly speaking about Cocoon 3.0 here:
Yes this is entirely possible. Actually it was one of the goals when
designing the new version.
And there are people who did exactly what you described above (having a
web application and using Cocoon inside it, just like you would use a
templating engine or an O/R-Mapper)
However there's a catch: It is still an alpha version.
So the basic question is: can you live with an alpha version?
If the answer is NO, then Cocoon 3.0 is not what you want - you might as
well stop reading this now (I think it will be months before this goes
into any king of beta phase).
If the answer is YES, then Cocoon 3.0 can probably solve a lot of your
problems rather easily.
The basic principles are the same as those of Cocoon 2.x and it's rather
easy to create new pipeline components or modify behaviour the way you
want/need.
("Our" students from the TU Vienna do it all the time, even if it's not
part of their project - apparently they think it's fun)
Cocoon 3.0 provides an API to create pipelines programmatically and use
them basically everywhere you have Java available.
You can even use the sitemap on top of that if you want to and still use
Coccon inside your own application like any other non-web framework.
The system is already used in some commercial applications and AFAIK,
Apache Sling is looking at integrating it too. (Again it's the pipeline
API that makes certain things possible and interesting).
We are continuously working on it, although this may not be very visible
or prominent at times.
Documentation is another weak point right now. So there isn't much to
point you to.
The general idea about Cocoon 3.0 is sketched out here:
http://cocoon.apache.org/3.0/ and a (slightly) more detailed overview is
ready here http://cocoon.apache.org/3.0/features.html.
The documentation is for version 3.0.0-alpha-1.
The current trunk contains a lot of changes and extensions and thanks to
the feedback we got, this version is more consistent, easier to use, and
more reliable.
IMO a new release should follow rather shortly (1 - 2 months) but maybe
I'm a bit optimistic on that.
I am not sure whether this is possible at all with Cocoon 2.x.
I guess some of the "older" guys have to answer that.
I hope this makes sense to you.
Cheers,
Steven
thank you in advance.
Regards,
Kumar.D
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