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https://issues.apache.org/jira/browse/XALANC-429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steven J. Hathaway closed XALANC-429.
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Resolution: Won't Fix
References obsolete version. Some functionality of parameter management has
been reworked.
> Can not evaluate params/variables from a "TraceListener" event during the
> transformation process.
> -------------------------------------------------------------------------------------------------
>
> Key: XALANC-429
> URL: https://issues.apache.org/jira/browse/XALANC-429
> Project: XalanC
> Issue Type: Bug
> Components: XalanC
> Affects Versions: 1.8
> Environment: Operating System: Solaris
> Platform: Other
> Reporter: Philip IPS
>
> I am using the Xalan C++ API in a real-time financial application which need
> to
> apply XSLT transformations on XML input messages received on-the-fly.
> On the process output, I get the transformed output XML.
> In the XSLT stylesheet, I defined several templates which take input
> parameters
> (like function calls) and I also defined global XSL variables.
> For security reasons, I need to log everything. I use the "XalanTransformer"
> object to make the transformation and I implemented the "TraceListener"
> object
> to log most of the parser/transformer events.
> I am pretty happy with this but I have the following problem :
> I did not find any way to display the parameters or global variables values
> during the transforming.
> I know that a "StylesheetExecutionContext" object implements the "getVariable
> ()" and "getParamVariable()" methods which should allow to do this.
> Unfortunately, the "StylesheetExecutionContext" provided in the "TracerEvent"
> and "SelectionEvent" only provide a "const" instance of
> the "StylesheetExecutionContext" object which help from calling the
> "getVariable
> ()" and "getParamVariable()" methods which are not "const".
> => The API does not allow to call "getVariable()" and "getParamVariable()" in
> a "TraceListener" callback event.
> It would be a good enhancement for us if you allowed us calling these
> functions
> from a "TraceListener" event so we are able to log all the variable and
> parameters values during the transformation processes.
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