// instantiante parsers and content handlers
TransactionHandler contentHandler = new TransactionHandler();
TransactionFilterHandler filterParser = new TransactionFilterHandler(contentHandler,
null);
TransactionFeatureHandler featureParser = new TransactionFeatureHandler(filterParser,
req);
GMLFilterGeometry geometryFilter = new GMLFilterGeometry(featureParser);
GMLFilterDocument documentFilter = new GMLFilterDocument(geometryFilter);
// read in XML file and parse to content handler