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Re: WSDL2RPG : Empty tag for decimal variables

From: Henrik Rützou <hr@xxxxxxxxxxxx>
To: HTTPAPI and FTPAPI Projects <ftpapi@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: WSDL2RPG : Empty tag for decimal variables
Date: Thu, 25 Aug 2011 18:27:49 +0200

   Thomas,

   to my best knowlegde XML dosn't support null, true and false, so what
   is the problem?

   a node without being a parent should be passed as

   <myNode />

   or�
   <myNode></mynode>

   On Thu, Aug 25, 2011 at 5:49 PM, Thomas Raddatz
   <[1]thomas.raddatz@xxxxxxxxxxx> wrote:

     You did it right. But you may also consider to do it this way:
     Let us assume that you had the following reference data structure
     that is
     used to define your request message:
     D curZualBapiacap09_A2_t...
     D � � � � � � � DS � � � � � � � qualified �     based(pDummy)
     D �aNillableA � � � � � � 128A
     D �aNillableI � � � � � � �10I 0
     D curZualBapiacap09_A2...
     D � � � � � � � DS � � � � � � �     likeds(curZualBapiacap09_A2_t)
     D � � � � � � � � � � � � � � � �inz
     The code producing the request message my look similar to this:
     � � � '<aNillableA>' +
     � � � Marshaller_toString(
     � � � � �curZualBapiacap09_A2.aNillableA
     � � � � �) +
     � � � '</aNillableA>' +
     � � � '<aNillableI>' +
     � � � Marshaller_toInteger(
     � � � � �curZualBapiacap09_A2.aNillableI
     � � � � �) +
     � � � '</aNillableI>' +
     Now you may change your code as shown below to add the null
     indicators:
     D curZualBapiacap09_A2_t...
     D � � � � � � � DS � � � � � � � qualified
     D �aNillableA � � � � � � 128A � inz
     D �aNillableA_isNull
     D � � � � � � � � � � � � � �N � inz(*ON)
     D �aNillableI � � � � � � �10I 0 inz
     D �aNillableI_isNull
     D � � � � � � � � � � � � � �N � inz(*ON)
     And eventually change the code to produce the request message as
     shown here:
     � � � '<aNillableA>';
     � �if (not curZualBapiacap09_A2.aNillableA_isNull);
     � � � request = request +
     � � � Marshaller_toString(
     � � � � �curZualBapiacap09_A2.aNillableA
     � � � � �);
     � �endif;
     � � � request = request +
     � � � '</aNillableA>' +
     � � � '<aNillableI>';
     � �if (not curZualBapiacap09_A2.aNillableI_isNull);
     � � � Marshaller_toInteger(
     � � � � �curZualBapiacap09_A2.aNillableI
     � � � � �);
     � �endif;
     � � � request = request +
     � � � '</aNillableI>' +
     If a value is marked as NULL the resulting XML would look like
     this:
     � � � <aNillableA></aNillableA>
     or
     � � � <aNillableI></aNillableI>
     However before setting the values of the request message you had to
     reset
     the data structure in order to set the NULL indicators to *ON:
     � �reset curZualBapiacap09_A2;
     � �curZualBapiacap09_A2aNillableA = 'Hello';
     � �curZualBapiacap09_A2_isNull = *OFF;
     Worth a try?
     Please have in mind that I put together the sample at home. I did
     not yet
     try it in reality.
     Thomas.
     Am [2]25.08.2011 08:59, schrieb Dhanushka Manjula:

   >
   > � � Hi Thomas,
   > � � Thank you in advance for your input.
   > � � I have only 3 fields to be omitted& �those 3 variables can be
   > � � permanently removed from client end and host service cannot be
   changed
   > � � as well.
   > � � So I changed STUB with search& �replace function
   > � � correct me if I'm wrong..
   > � � I search '<DsctDays1>0.00</DsctDays1>' string in request
   variable&
   > � � replace it with '<DsctDays1/>'
   > � � �'<Pmtmthsupl>' +
   > � � �Marshaller_toString(
   > � � � � curZualBapiacap09_A2.Pmtmthsupl
   > � � � � ) +
   > � � �'</Pmtmthsupl>' +
   > � � �'</item>' +
   > � � � � '';
   >
   > � � � �Search_word � = '<DsctDays1>0.00</DsctDays1>';
   > � � � �replace_word �= '<DsctDays1/>' � � � � � � � ;
   > � � � �request = SearchR(request:search_word:replace_word);
   > � � Looks like everything is OK for me..... (temporarily of cause)
   > � � btw, I think this method is much smarter than 1st one, cause
   once we
   > � � need to omit a variable, Just only have to turn *On the
   indicator.
   > � � [cid:330@goomoji.gmail]
   > � � � �request.myNillableField.isNull = *ON;
   > � � Thanks again.
   >
   > � � On Thu, Aug 25, 2011 at 1:17 AM, Thomas Raddatz
   > � � <[1][3]thomas.raddatz@xxxxxxxxxxx> �wrote:
   >
   > � � � The problem you have is a common problem with RPG because
   RPG does
   > � � � not
   > � � � really support NULL values.
   > � � � Leaving an XML element empty is one option to specify a
   NULL value
   > � � � in an
   > � � � XML document. But since RPG does not support NULL values,
   WSDL2RPG
   > � � � does not
   > � � � have a chance to properly recognize NULL values. For
   strings you
   > � � � may say
   > � � � that a string value with length=0 is equal to NULL.
   Although that
   > � � � is not
   > � � � really true it should work in most cases. Fine.
   > � � � But for all other field types it is not that easy to define
   a
   > � � � substitution
   > � � � value for NULL. For example you may say that for numeric
   fields the
   > � � � substitute for NULL is 0. But is that really a good idea? I
   do not
   > � � � think
   > � � � so. But what other value should we consider to be equal to
   NULL?
   > � � � *LOVAL or
   > � � � *HIVAL? Bad.
   > � � � I wished RPG had true NULL support. All you can do now is
   to say:
   > � � � "For me,
   > � � � 0 is equal to NULL" and then modify the generated stub
   accordingly.
   > � � � I have been thinking about how to support NULL values since
   the day
   > � � � WSDL2RPG was born. If it wasn't that ugly I would add a
   NULL
   > � � � indicator
   > � � � field for each nillable field. If the NULL indicator is
   TRUE the
   > � � � field
   > � � � would be treated as NULL regardless of its actual value.
   Honestly I
   > � � � do not
   > � � � like that solution because you always have to set two
   fields for
   > � � � one value,
   > � � � for example:
   > � � � � �request.myNillableField.value = 123;
   > � � � � �request.myNillableField.isNull = *OFF;
   > � � � Or in case of a NULL value:
   > � � � � �request.myNillableField.isNull = *ON;
   > � � � Any other ideas how to solve that problem?
   > � � � Thomas.
   > � � � Am [2]24.08.2011 18:41, schrieb Dhanushka Manjula:
   > � � � >
   > � � � > � � �Hi All,
   > � � � > � � �In my RPG code, I have leave out 5 line due to I
   dont have
   > � � � values to
   >
   > � � > � � �send, I need closed/empty tag for those
   > � � >
   > � � > � � �//newZualBapiacap09_A2.BlineDate =;
   > � � > � � �//newZualBapiacap09_A2.DsctDays1 = 0;
   > � � > � � �//newZualBapiacap09_A2.DsctDays2 = 0;
   > � � > � � �//newZualBapiacap09_A2.Netterms = 0;
   > � � > � � � �newZualBapiacap09_A2.PymtMeth �= PYMDDL � �   �;
   > � � > � � �//newZualBapiacap09_A2.Pmtmthsupl = ;
   > � � >
   > � � > � � �Following is the part of SOAP message
   > � � >
   > � � > � � �<BlineDate/>
   > � � > � � �<DsctDays1>0.00</DsctDays1>
   > � � > � � �<DsctDays2>0.00</DsctDays2>
   > � � > � � �<Netterms>0.00</Netterms>
   > � � > � � �<PymtMeth> � NP</PymtMeth>
   > � � > � � �<Pmtmthsupl/>
   > � � >
   > � � > � � �For String variables, it generates closed tag
   accordingly but
   > � � for the
   > � � > � � �decimal variables it assigns 0.00 Which were not
   expected
   > � � > � � �How to have a closed/empty tag for decimal
   variables?
   > � � > � � �Thanks
   > � � >
   > � � >
   > � � >
   > � � >
   >
   > � � � >
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   > References
   >
   > � � 1. mailto:[6]thomas.raddatz@xxxxxxxxxxx
   > � � 2. tel:24.08.2011%2018
   > � � 3. [7]http://www.scottklement.com/mailman/listinfo/ftpapi
   > � � 4. [8]http://www.scottklement.com/mailman/listinfo/ftpapi
   >
   >
   >
   >

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   Regards,
   Henrik Rützou
   �   [11]http://powerEXT.com
   �   [plogofull200.png]

References

   1. mailto:thomas.raddatz@xxxxxxxxxxx
   2. tel:25.08.2011%2008
   3. mailto:thomas.raddatz@xxxxxxxxxxx
   4. http://www.scottklement.com/mailman/listinfo/ftpapi
   5. http://www.scottklement.com/mailman/listinfo/ftpapi
   6. mailto:thomas.raddatz@xxxxxxxxxxx
   7. http://www.scottklement.com/mailman/listinfo/ftpapi
   8. http://www.scottklement.com/mailman/listinfo/ftpapi
   9. http://www.scottklement.com/mailman/listinfo/ftpapi
  10. http://www.scottklement.com/mailman/listinfo/ftpapi
  11. http://powerext.com/

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References:
- WSDL2RPG : Empty tag for decimal variables
  - From: Dhanushka Manjula
- Re: WSDL2RPG : Empty tag for decimal variables
  - From: Thomas Raddatz
- Re: WSDL2RPG : Empty tag for decimal variables
  - From: Dhanushka Manjula
- Re: WSDL2RPG : Empty tag for decimal variables
  - From: Thomas Raddatz

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