GWT and reports

[Shalin]

Hello,

I'm new to GWT, and am planning to build an JAVA EE application with a
GWT front-end for a better usability.

Before I start learning GWT, I would like to know whether it is
possible to build reports, off a database, using GWT. I briefly had a
go at GWT and recall having difficulty going from on page to another
(all controls had to be integrated into a single page). I know its not
completely related to report building, but just want to know how to
manage transitions from the GWT generated page to the report builder.

I am required to build reports from a data source in real time, so
would require that the GWT application be able to call a report
builder of some sort.

Sorry for the abrupt questions ... I have a deadline and will probably
resort to the tried and trusted swing should I not be able to find a
report builder that works hand in hand with GWT.

Best regards.

[Rob]

Hi,

Take a look at this post re GWT, JasperReports and iReport:

-> http://uptick.com.au/content/working-hsqldb-jasperreports-and-ireport

And this demo (click "Reports" then double-click on a report):

-> http://gwt-cx.com/serendipity/Serendipity.html

However, iReport is a thick-client application. ActiveReports has a
browser-based WYSIWYG report designer that you could launch from a GWT
application via Window.open().

-> http://www.activereportsserver.com/Features

Cheers
Rob

http://code.google.com/p/gwt-cx/

[Jens]

GWT would make a server request and the server will build the PDF file. 

We store the Jasper design XML (created with iReport) in a database and the server would fetch the xml, compile it and then fill it to generate the PDF. For simple reports we directly use a query to fill the report and for more complex reports we have custom datasource.

Works well.

-- J.

[Shalin Lazar]

Thanks. Will get started reading up. I'm still not certain whether I should use gwt as opposed to good old swing. In terms of performance on a relative average server (3.0 dual core, 4gb ram, ubuntu server), would gwt's performance be suitable to serve say 15 users at an instance? I'm still planning on using ejb with web services, and now I've got the reports as well.

From your experience, would the system be fast enough? Performance and stability are a priority. gwt vs swing if I may.

Thanks again.

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