Example #1
0
    bool serializeDOM(std::ostream& output, bool)
    {
	XMLCh tempStr[100];
	XMLString::transcode("LS", tempStr, 99);
	DOMImplementationLS *impl = dynamic_cast<DOMImplementationLS *>(DOMImplementationRegistry::getDOMImplementation(tempStr));
	DOMLSSerializer   *theSerializer = impl->createLSSerializer();
	DOMLSOutput       *theOutputDesc = impl->createLSOutput();

	bool rc = false;

	try
	{
	    MemBufFormatTarget *myFormTarget = new MemBufFormatTarget();

	    /* do the serialization through DOMLSSerializer::write(); */

	    theOutputDesc->setByteStream(myFormTarget);
	    theSerializer->write(inputFileDOM, theOutputDesc);

	    const XMLByte * data = myFormTarget->getRawBuffer();
	    XMLSize_t len = myFormTarget->getLen();

	    output.write( reinterpret_cast<const char *>(data), len );

	    delete myFormTarget;
	    rc = true;
	}
	catch (IOException& e ) {
	    cerr << StrX(e.getMessage());
	    cerr << "  Code is " << e.getCode();

	    if ( errno != 0 ) {
		cerr << ": " << strerror( errno );
	    }
	}
	catch (XMLException& e)
	{
	    cerr << "An error occurred during creation of output transcoder. Msg is:"
		 << endl
		 << StrX(e.getMessage());
	    if ( errno != 0 ) {
		cerr << ": " << strerror( errno );
	    }
	    cerr << endl;
	    rc = false;
	}
	delete theSerializer;
	return rc;
    }
int XmlParser::commit(const char* xmlFile) {
   try {
      // Obtain DOM implementation supporting Load/Save
      DOMImplementationLS* pImplementation = dynamic_cast<DOMImplementationLS *>(DOMImplementationRegistry::getDOMImplementation(DualString("LS").asXMLString()));
      if (pImplementation == NULL){
         throw( std::runtime_error( "Unable to obtain suitable DOMImplementation!" ) ) ;
      }

      DOMLSSerializer *pSerializer = pImplementation->createLSSerializer();

      DOMLSOutput *pOutput = pImplementation->createLSOutput();
#if 1
      // Change output format to be pretty (but it isn't)
      DOMConfiguration *pConfiguration = pSerializer->getDomConfig();
      if (pConfiguration->canSetParameter(XMLUni::fgDOMWRTFormatPrettyPrint, true))
         pConfiguration->setParameter(XMLUni::fgDOMWRTFormatPrettyPrint, true);
#if 0
      // Overrides above but seems to have little effect!
      if (pConfiguration->canSetParameter(XMLUni::fgDOMWRTCanonicalForm, true))
         pConfiguration->setParameter(XMLUni::fgDOMWRTCanonicalForm, true);
#endif
#if 1
      //
      if (pConfiguration->canSetParameter(XMLUni::fgDOMWRTEntities, true))
         pConfiguration->setParameter(XMLUni::fgDOMWRTEntities, true);
#endif
#endif
      LocalFileFormatTarget *pTarget = new LocalFileFormatTarget(DualString( xmlFile ).asXMLString());
      pOutput->setByteStream(pTarget);

//      mergeDocument->normalizeDocument(); // Needed?
      pSerializer->write(mergeDocument, pOutput);

      delete pTarget;
      pOutput->release();
      pSerializer->release();

   } catch( const xercesc::XMLException& e ){
      return -1;
   }

   return 0;
}