[opencms-dev] Remote Data Sources

[Joe Desbonnet]

I do something similar. A few OpenCms pages need access to data in a
separate application.
I've written a servlet/JSP in the other application that responds to
GET requests issued by OpenCms (I use the Apache httpclient library to
issue the requests). Parameters are added in the usual GET format  (eg
query?param1=value1&param2=value2 etc)

The servlet responds with data (sometimes comma separated value lines,
sometimes XML).

For security the web service responding to OpenCms can be set so to
only respond to the OpenCms computer.

I've worked with SOAP a little before. I found it way too complex for
what I was doing. If CSV or a simple home grown XML schema works then
use that. SOAP makes sense if you have a complex API or you need to
publish that API to the outside world.  If you control both ends of
the communications link then SOAP is most often an overkill IMHO.

Joe.


On 11/24/05, Stephen Callaghan <clanjava at gmail.com> wrote:
> We are about to implement an OpenCms solution which will sit in its
> own DMZ but will need some access to data held on a backend mainframe
> system. Currently the backend is wrapped in a SOAP interface but we
> have a free hand to implement any solution we need.
>
> Three questions.
> 1) Am I right in thinking that to access this remote data we will need
> to implement our own custom Resource Type?
> 2) Has anyone already implemented a SOAP Resource Type (presuming this
> could be an extension of the XML Resource)
> 3) We also need to handle authentication via this mechanism as all
> usernames and passwords need to be stored outwith the DMZ to comply
> with company policy. Again has anyone implemented remote
> authentication?
>
> Cheers,
>
> Stephen Callaghan.
>
>
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