05-02-2009 5:27 PM
I have a webservice call that returns XML. I need to transform a portion of the response to an internal table, but my simple transformation is not working with loop processing. I have read through most posts regarding the topic but they're either too old or related to serialization. There aren't any exceptions thrown, but I don't get any data in the internal table (PAPERWORK root). Below are some code snippets. Any ideas on the problem with the XSLT template? Thanks.
Sample XML:
<?xml version="1.0" encoding="utf-8" ?>
<PrintVersionDataSet>
<Result>
<ReturnCode>W</ReturnCode>
<ReturnMessage>There are reports with later version(s)</ReturnMessage>
</Result>
<Paperwork>
<ReportCode>CVR</ReportCode>
<ReportName>Cover Sheet</ReportName>
<Version>2</Version>
<PrintedDateTime>2009-05-01T09:54:04.1-05:00</PrintedDateTime>
</Paperwork>
<Paperwork>
<ReportCode>SPS</ReportCode>
<ReportName>Sponsor Summary</ReportName>
<Version>2</Version>
<PrintedDateTime>2009-05-01T09:54:04.99-05:00</PrintedDateTime>
</Paperwork>
</PrintVersionDataSet>
XSLT Code:
<?sap.transform simple?>
<tt:transform xmlns:tt="http://www.sap.com/transformation-templates">
<tt:root name="RESULT"/>
<tt:root name="PAPERWORK"/>
<tt:template>
<PrintVersionDataSet>
<Result tt:ref="RESULT">
<ReturnCode>
<tt:value ref="RETURNCODE"/>
</ReturnCode>
<ReturnMessage>
<tt:value ref="RETURNMESSAGE"/>
</ReturnMessage>
</Result>
<tt:deserialize>
<tt:loop ref=".PAPERWORK">
<Paperwork>
<ReportCode>
<tt:value ref="REPORTCODE"/>
</ReportCode>
<ReportName>
<tt:value ref="REPORTNAME"/>
</ReportName>
<Version>
<tt:value ref="VERSION"/>
</Version>
<PrintedDateTime>
<tt:value ref="PRINTEDDATETIME"/>
</PrintedDateTime>
</Paperwork>
</tt:loop>
</tt:deserialize>
</PrintVersionDataSet>
</tt:template>
</tt:transform>
ABAP Call to Transform Data:
TRY.
CALL TRANSFORMATION Z_GA_PAPERWORK_VERS_WEBSVC
SOURCE XML LS_RESPONSE-VERIFY_PRINT_VERSION_RESULT
RESULT RESULT = LS_RESULT
PAPERWORK = LT_PAPERWORK.
CATCH CX_ROOT INTO ROOT_EXCEPTION.
CALL METHOD ROOT_EXCEPTION->IF_MESSAGE~GET_TEXT
RECEIVING
RESULT = LV_MESSAGE.
ENDTRY.
05-02-2009 8:23 PM
Upon further inspection and testing with a simple file and program, I can see that the XML structure isn't quite correct for the loop process. There needs to be a single <PAPERWORK> node, instead of one for each table line in the file. This should allow the loop to execute properly after a slight adjustment to the XSLT template.