How to deploy OPS 3.0 as a XForms Proxy?

Hello list,

From looking at the examples on the OPS website I have
to say that I really like the new AJAXed XForms NG.
They look very nice and feel responsive. I would like
to use them for a thesis project.

In Erik Bruchez's talk at Xtech05 (Slide 50 and 51)
(http://idealliance.org/proceedings/xtech05/slides/bruchez/Server-Side%20XForms.ppt)
Erik says the new OPS 3.0 can be used as an XForms
proxy in front of any web framework (Struts, PHP,
etc). I think that would be THE ABSOLUTE KILLER
APPLICATION of OPS 3.0. But since I am an OPS newbie I
wasn't able to figure out how to do something like
that from reading the documentation on the website and
the mailing list archives. Maybe that would be obvious
for an OPS expert but for me it isn't.

Could someone describe in a (semi-)detailed newbie
friendly/howto way HOW to do something like that?

I would be endlessly grateful for that.

Michael





               
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Michael,

Agreed that this will be a killer! But I don't think the XTech talk
slides should be understood as "OPS 3.0 supports the proxy mode right
now" ;-) OPS should be made to work in proxy mode, but so far no work
has been done in this area.

I can see two approaches:

1. Generic proxy, which proxies to any type of server. In this case,
    Some piece of code needs to be written, which:

    1. Transparently forwards incoming requests

    2. Intercepts responses, parses them as XML, and sends them to the
       XForms engine.

    #2 seems fairly easy to do. I don't know about #1.

2. Java application proxy, which proxies only to applications within
    the same servlet container as OPS. In this case, this could simply
    be implemented as a ServletFilter. We already have the tools to do
    this in OPS, including ServletFilterGenerator and
    OXFServletFilter. This would allow providing XForms support for
    applications written with JSP and other Java web frameworks.

Ideas are of course welcome!

-Erik

Michael Mayr wrote:
 > Hello list,
 >
 > From looking at the examples on the OPS website I have
 > to say that I really like the new AJAXed XForms NG.
 > They look very nice and feel responsive. I would like
 > to use them for a thesis project.
 >
 > In Erik Bruchez's talk at Xtech05 (Slide 50 and 51)
 >
(http://idealliance.org/proceedings/xtech05/slides/bruchez/Server-Side%20XForms.ppt)
 > Erik says the new OPS 3.0 can be used as an XForms
 > proxy in front of any web framework (Struts, PHP,
 > etc). I think that would be THE ABSOLUTE KILLER
 > APPLICATION of OPS 3.0. But since I am an OPS newbie I
 > wasn't able to figure out how to do something like
 > that from reading the documentation on the website and
 > the mailing list archives. Maybe that would be obvious
 > for an OPS expert but for me it isn't.
 >
 > Could someone describe in a (semi-)detailed newbie
 > friendly/howto way HOW to do something like that?
 >
 > I would be endlessly grateful for that.
 >
 > Michael




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Hi Erik,

thanks for your reply. Then it's no surprise why I
didn't find it ;-) Seems I will have to take the full
OPS 3.0 Presentation Layer. I will take a closer look
at this usage scenario.

Cheers
Michael

--- Erik Bruchez <[hidden email]> schrieb:


       

       
               
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Hi!

I have problems to use a servlet filter inside the ops web.xml.

Following the standart I use following simple filter description

 <filter>
                <filter-name>TestFilter</filter-name>
                <filter-class>Filter.TestFilter</filter-class>
            </filter>
        <filter-mapping>
            <filter-name>TestFilter</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>

If I test my filter inside another servlet the filter works fine.
What I'm doing wrong?

Greets

Sebastian


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Please do not recognize this topic any more. Servlet filtering works quite well....
If you are not too stupid to deploy your application ;-)

Sebastian

"Sebastian Kraus/INPLUS/DE" <[hidden email]> 21.04.2006 17:10 Please respond to [hidden email]

To [hidden email] cc Subject [ops-users] Servlet Filter!

Hi!

I have problems to use a servlet filter inside the ops web.xml.

Following the standart I use following simple filter description

<filter>
               <filter-name>TestFilter</filter-name>
               <filter-class>Filter.TestFilter</filter-class>
           </filter>
       <filter-mapping>
           <filter-name>TestFilter</filter-name>
           <url-pattern>/*</url-pattern>
       </filter-mapping>

If I test my filter inside another servlet the filter works fine.
What I'm doing wrong?

Greets

Sebastian
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Glad you figured it out ;-)

-Erik

Sebastian Kraus/INPLUS/DE wrote:
--
Orbeon - XForms Everywhere:
http://www.orbeon.com/blog/



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