Re: [Dynapi-Help] IOElement/SODA and Java

[Andrew G. <an...@zo...>]

Hi George,

You  are quite correct that an IOElement can download arbitrary
data from a web server without needing to refresh the page.

I have implemented a java servlet that communicates with aa IOElement
using the SODA protocol. It is mostly complete and I've been wanting to
post details of it for some time, but I've never been 100% satisfied
with it so I keep putting it off. I've also been pushing at work to
connect Tomcat to one of our external web servers so I can show off
a demo, but there is always some reason not to do it right now. When
we complete our planned upgrade to redhat 9....

Anyway, I have the Calculator demo running quite well and I have
the HelpManager displaying class and method information but not yet
invoking those methods. I haven't yet looked at any of the file
upload stuff.

I'm using DynAPI and the servlet to build a web application that
requires lots of server-side validation on a field-by-field basis
and I'm hugely impressed with what we've achieved using DynAPI.
It's unlike any other web application I've ever seen (plugin-free).

My servlet was originally written by manually translating the JScript
server scripts. This was a messy business, because scripting languages
javascript, vb, perl etc. are very easygoing with assigning one data
type to another whereas java isn't like that at all.  I still have
a long list of improvements to make.

If you're interested at what I've done so far, drop me a line and
I'll forward what I've done so far to you.

I've been thinking that perhaps I should establish a separate sourceforge
project for this stuff or maybe some kind of dynapi sub-project?
Because it is a full-blown servlet with a number of classes, configuration
files and dependent jar files I don't think it should be included in the
standard dynapi distribution.


regards,
Andrew


George Ardeleanu wrote:

>
>Hello everyone ,
>
>I recently became extremely interested in the IOElement object as a means
>of comunicating from an html page to a server without have to make another
>request for the same HTML page .
>am i correct that with the IOElement and/or the SODA objects in DynAPI 3
>you can have a web page get information from a server without having the
>HTML page refresh itself everytime it makes a request to the server ?
>if so , has any one implemented or started implementing a Java class to
>communicate with DynAPI in this way .  I would be interested in helping
>create such a class if one doesnt exist or is not complete .
>
>thanks !,
>
>george .
>
>
>
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