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| XML to CWF |
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| IntegratorWMB |
 Posted: Tue Feb 12, 2008 1:29 pm Post subject: XML to CWF |
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Apprentice
Joined: 06 Dec 2007
Posts: 27
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I am transforming an incoming xml to cwf.
The outgoing message(cwf) contains a header and body. The body part of the message is filled by the elements from the incoming xml. The header part looks something as shown below:
AspaceBspaceCdelimiter1Ddelimiter2E
where
A - fixed value String
space - ' '
B - fixed value String
space - ' '
C - String (max of 8 chars)
delimiter1 - @
D - String(max of 20 chars)
delimiter2 - *
E - fixed value String
How can I define a complextype which has a mix of TDS and CWF?
Thanks  |
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| jefflowrey |
| Posted: Tue Feb 12, 2008 1:46 pm Post subject: Re: XML to CWF |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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| IntegratorWMB wrote: |
| How can I define a complextype which has a mix of TDS and CWF? |
You can't.
You can model fixed width fields in TDS.
In v6.1 you can model decimal fields in TDS.
You can define a TDS complex type which holds a string, where the string is a bitstream output of a CWF message.
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I am *not* the model of the modern major general. |
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| kimbert |
| Posted: Tue Feb 12, 2008 2:51 pm Post subject: |
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Jedi Council
Joined: 29 Jul 2003
Posts: 5542
Location: Southampton
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As Jeff says, you need to understand the difference between 'fixed length' and 'CWF'. TDS can handle fixed length structures, delimited structures, and structures which contain a mixture of fixed-length and delimited fields.
Your header structure uses a different delimiter for each field ( I'd like to know what the 'designer' of this format was smoking  ). So you'll have to use groups which modify the delimiter. Something like this ( not tested ):
| Code: |
Header DES=TaggedFixedLength, TagLength=0
group DES=AllElementsDelimited, Delimiter=' ', GroupTerminator=' '
fieldA
fieldB
group DES=AllElementsDelimited GroupTerminator='@'
fieldC
group DES=AllElementsDelimited GroupTerminator='*'
fieldD
fieldE
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In case you're wondering, the outermost complex type is set to 'Tagged Fixed Length' for a good reason. We don't want the outermost type to be delimited - that would generate extra delimiters between the groups. We cannot use 'Fixed Length' because it is not allowed to contain variable length groups. 'Tagged Fixed Length' does the job.
As I say, this has not been tested, so let me know if you hit problems. |
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| IntegratorWMB |
| Posted: Wed Feb 13, 2008 9:08 am Post subject: |
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Apprentice
Joined: 06 Dec 2007
Posts: 27
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Thanks for your replies and directions you had provided. I will reformat my design to use Tagged formats for the outgoing message. I am reading the message set manuals on more about Tagged format properties.
Kimbert
I tried your recommendation. But the message set is failing to compile and results in the following error:
A structure must not have Data Element Separation 'AllElementsDelimited' when its parent structure has Data Element Separation 'TaggedFixedLength'. Physical format: 'TDF'.
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