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XML Field Validation

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latitude

Posted: Wed Aug 19, 2009 9:27 am Post subject: XML Field Validation

Apprentice

Joined: 17 Aug 2009
Posts: 36

I have a requirement to validate the contents of the XML file which comes through a MQInput Q.
MQInput Validation is enable for â€˜Content and Valueâ€™ and 'exception'
The requirement is to identify the field in which the validation error occured and send a response message back to the sender.

Ie. If FIELD_A data item is missing, response message should go back as follows

Error in field : FIELD_A
Error Message : This is a compulsory field

If the validation is enable on the MQInout Q, is it possible to capture the field with the error. I know this is horrendous but this is the requirement.

kimbert

Posted: Wed Aug 19, 2009 12:48 pm Post subject:

Jedi Council

Joined: 29 Jul 2003
Posts: 5542
Location: Southampton

The exception list will contain details of the missing element. Have you tried looking at that?

btw, I presume you are using XMLNSC. Correct?

smdavies99

Posted: Wed Aug 19, 2009 8:46 pm Post subject:

Jedi Council

Joined: 10 Feb 2003
Posts: 6076
Location: Somewhere over the Rainbow this side of Never-never land.

If you connect a TraceNode to the Failure terminal of the MQInput Node and set it up to output the ExceptionList the resulting output from processing an invlid message will show you what Kimbert means.

If the level of detail given in the ExceptionList (if you are using V6.1 & XMLNSC) should allow you to format the reply.
If it does not then I'm afraid that you will have to do the checking manually.
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Every time you reinvent the wheel the more square it gets (anon). If in doubt think and investigate before you ask silly questions.

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