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Posted to dev@xalan.apache.org by pr...@wipro.com on 2005/05/27 14:34:28 UTC

Xerces wrapper updation problem

  XPathEvaluator::initialize();
 try {
 // theDocmentPtr is the XalanDocument
  DOMDocument*   Domdoc =
(DOMDocument*)theLiaisonPtr->mapToXercesDocument(theDocumentPtr);
  XalanDocument *Xalandoc =
theLiaisonPtr->createDocument(Domdoc,false,true); 
  XalanNode * root_context_node = Xalandoc;
  XalanElement *namespace_node =   Xalandoc->getDocumentElement();
  const XalanDOMString expression("/MAIN/NAME2");
  const DOMNode *target= 0;
  XPathEvaluator evaluator;
  XalanNode* found = evaluator.selectSingleNode(  (*theDOMSupportPtr),
                                             root_context_node,
                                             expression.c_str(),
                                             namespace_node);
   if (found) {

           XercesDocumentWrapper *xerces_document_wrapper =
theLiaisonPtr->mapDocumentToWrapper(Xalandoc);
           DOMNode * target =(DOMNode *)
xerces_document_wrapper->mapNode(found);
           XMLCh *TagName=XMLString::transcode("HELLO");
           DOMNode *ElementNode= Domdoc->createElement(TagName);
           XMLCh *TagText=XMLString::transcode("IAMHERE");
           DOMText *TextNode= Domdoc->createTextNode(TagText);
           ElementNode->appendChild(TextNode);
           target->appendChild(ElementNode);
        xerces_document_wrapper->rebuildWrapper();
    }
}

My INPUT XML FILE IS............

<MAIN>
        <Name>
                <Skill>ABC</Skill>
                <Level>0TEEE00</Level>
        </Name>
        <Name2>
                <Skill>Jaya</Skill>
                <Level>2222</Level>
        </Name2>
</MAIN>


If I give a XPATH as "/MAIN/NAME2"

My OUTPUT XML FILE should be............BUT STRANGELY IT IS NOT WORKING
Please help

<MAIN>
        <Name>
                <Skill>ABC</Skill>
                <Level>0TEEE00</Level>
        </Name>
        <Name2>
                <Skill>Jaya</Skill>
                <Level>2222</Level>
                <HELLO>IAMHERE</HELLO>  // its not adding
      </Name2>
</MAIN>


what could be the problem with the code ?
I am rebuilding the wrapper. But still the main Xalandocument is not
affected.

Dave: Could you please help me!

-Thanks
Praveen






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