Re: STRPCCMD

Hello all,

The idea we had of building a screenscraper is to use the JTextArea 
functionalitie of Swing to render a GUI. The same the text area can render 
a web UI for HTML. The way the text area works is to have an Editor kit 
translate the bytes from a stream into document layout elements. Next is 
there a view factory that is able to render the text into a Swing text 
elements.

The package we added provides the editor kit and viewfactory to parse an 
incoming 5250 stream, translate it into Swing document elements which can 
be rendered by a EditorPane or something. By providing an simple 
alternative to the editor kit, you can 'interpret' certain areas in the 
stream and translate them into GUI constructs. This way you can change 
option fields into buttons, function keys into buttons, etc. If all of 
your screens conform to a certain company styleguide, you can augment 
these style to you own editor kit and parse out the title of the screen 
which you can apply to the window or dialog; you can drop options and 
functions and put them on the toolbar and/or menu etc. Then it becomes 
interesting. There is also a clipping editor kit to render partial 5250 
screens to support windows etc. We have build a sprecific kits for one of 
our customers that is also customizable through XML to include icons for 
buttons after translating functions to toolbar buttons.

This makes it interesting. Not the most stable however at this point in 
time. Note you could use the editor kits in an web server to afterwards 
render the document elements as a webpage. Not sure though about resource 
consumption then.

Another very interesting class in there that is immediately usable for 
everybody is the Tn5250jTestTerminal.java class. This stats a 5250 session 
for a server but renders all screen planes on different tabs in the 
window. Very useful for debugging purposes !! I have used it to find out 
the workings of STRPCCMD. Try to use it to find out which bytes get send 
over on launching the PC cmd to verify if our implementation fails due to 
code pages etc.

HTH,
Wim






Richard Houston <[email protected]> 
Sent by: [email protected]
18/07/2006 22:04
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[email protected]; Please respond to
[email protected]


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Subject
Re: [Tn5250j-general] STRPCCMD






Hi all,

I am interested in the screen scrapping functions and what they can do
for my clients. Can someone give me a quick and dirty on how and what
this code does? Maybe an example of an application for this feature?

Thanks everyone and sorry for my ignorance on this.




+------------------------------------+
Best regards,
-Richard Houston
-R.L.H.  Consulting
-E-Mail  [email protected]
-WWW     http://www.rlhc.net
-Blog    http://www.rlhc.net/blog/


> Thanks Wim.  I'll also build and test  in the next day or so based on
> what Christian has committed.
>
> I am VERY interested in your screen scraper code.  Thanks for including
> that.
>
> Pete
>
>
>
> [email protected] wrote:
>
>
>>
>> Hello guys,
>>
>>
>> sorry to get back to you so lately. But been so busy here. In the
>> meantime, our company has been takenover. So you can imagine.
>>
>> I have checked the changes and those are probably not commited to CVS.
>>  I'm including our changes, as I don't have a project setup for TN
>> development against sourceforge. Is anybody willing to verify the
>> changes and commit them? The class changed for STRPCCMD is of course
>> the tnvt.java. The changes have been made against a reference version
>> 0.5.8a. This surely isn't the latest.
>>
>>
>> Note also we have included a new a new package
>> org.tn5é50j.swing.text.* We have set this up to implement a
>> screenscraper on top of tn5250j. It allows you to render the datastream
>> directly into JTextArea as a GUI like an HTML file with textfields and
>> buttons and stuff. Just take a look at it and see where we can get.
>>
>>
>> Thanks in advance,
>> Wim
>>
>>
>>
>>
>>
>>
>>
>>
>> *Richard Houston <[email protected]>*
>> Sent by: [email protected]
>>
>>
>> 14/07/2006 23:45
>> Please respond to
>> [email protected]; Please respond to
>> [email protected]
>>
>>
>>
>> To
>> [email protected] cc
>>
>> Subject
>> Re: [Tn5250j-general] STRPCCMD
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> Hey guys,
>>
>>
>> We have been testing the strpccmd on our Linux setups but with little
>> success. We get a screen on the 400 saying that we need to start
>> PCO.exe
>> on the PC but of course we can not so that on Linux.
>>
>> So my question is, do we know if the below mentioned patches are in
>> CVS
>> yet and does anyone know how I can get around the PCO.exe issue?
>>
>> I have showed my client and he is really really excited to get it to
>> work.
>>
>> Thanks guys!
>>
>>
>>
>>
>>
>> +------------------------------------+
>> Best regards,
>> -Richard Houston
>> -R.L.H.  Consulting
>> -E-Mail  [email protected]
>> -WWW     http://www.rlhc.net
>> -Blog    http://www.rlhc.net/blog/
>>
>>
>>
>>> Probably that we have the code on our fixes path for the emulator.
>>> I'll
>>> verify this.
>>>
>>>
>>>
>>>
>>>
>>> Christian Geisert <[email protected]>
>>> Sent by: [email protected]
>>> 05/07/2006 09:18
>>> Please respond to
>>> [email protected]
>>>
>>>
>>> To
>>> [email protected] cc
>>>
>>> Subject
>>> Re: [Tn5250j-general] STRPCCMD
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> [email protected] schrieb:
>>>
>>>
>>>> Did you try the STRPCCMD + F4 to display commandproperties and
>>>> then fill
>>>
>>>> in the command on the screen?
>>>>
>>>> If you run /usr/bin/firefox from any shell, the browser opens?
>>>>
>>>>
>>>>
>>>> What version of the emulator are you running?
>>>> It might be you have to set a property to enable the scanning for
>>>>
>>>>
>>> strpccmd
>>>
>>> I just tried it with latest cvs and doesn't work for me either.
>>> Wim, are you sure the code has been committed?
>>> I remember there has been some discussion about implementing it but I
>>>  don't think it has been comitted. I'll hopefully have some time to
>> have a
>>> closer look at it later
>>>
>>> Christian
>>>
>>>
>>>
>>> Using Tomcat but need to do more? Need to support web services,
>>> security? Get stuff done quickly with pre-integrated technology to
>>> make your job easier Download IBM WebSphere Application Server
>>> v.1.0.1
>> based on
>>> Apache Geronimo
>>> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121
>>> 642
>>> _______________________________________________
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>>>
>>>
>>>
>>> Using Tomcat but need to do more? Need to support web services,
>>> security? Get stuff done quickly with pre-integrated technology to
>>> make your job easier Download IBM WebSphere Application Server
>>> v.1.0.1 based on Apache Geronimo
>>> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=12
>>> 1642
>>> _______________________________________________
>>> Tn5250j-general mailing list
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>>>
>>>
>>
>>
>>
>>
>> ----------------------------------------------------------------------
>> ---
>> Using Tomcat but need to do more? Need to support web services,
>> security? Get stuff done quickly with pre-integrated technology to make
>> your job easier Download IBM WebSphere Application Server v.1.0.1 based
>> on Apache Geronimo
>> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=1216
>> 42
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