private void processExecuteSparqlRequest(VitroRequest vreq) {
String sparqlQueryStr = vreq.getParameter("sparqlQueryStr");
OntModel jenaOntModel = ModelAccess.on(getServletContext()).getOntModel();
jenaOntModel.enterCriticalSection(Lock.READ);
List<Individual> savedQueryList = new LinkedList<Individual>();
try {
Resource sparqlConstructClassRes = ResourceFactory.createResource(SPARQL_CONSTRUCT_CLASS);
savedQueryList.addAll(jenaOntModel.listIndividuals(sparqlConstructClassRes).toList());
} finally {
jenaOntModel.leaveCriticalSection();
}
/*ass92*/
OntologyDao daoObj = vreq.getUnfilteredWebappDaoFactory().getOntologyDao();
List<Ontology> ontologiesObj = daoObj.getAllOntologies();
List<String> prefixList = new ArrayList<>();
if (ontologiesObj != null && ontologiesObj.size() > 0) {
Iterator<Ontology> ontItr = ontologiesObj.iterator();
while (ontItr.hasNext()) {
Ontology ont = ontItr.next();
prefixList.add(ont.getPrefix() == null ? "(not yet specified)" : ont.getPrefix());
prefixList.add(ont.getURI() == null ? "" : ont.getURI());
}
} else {
prefixList.add("<strong>" + "No Ontologies added" + "</strong>");
prefixList.add("<strong>" + "Load Ontologies" + "</strong>");
}
vreq.setAttribute("prefixList", prefixList);
/*complete*/
if (sparqlQueryStr != null) {
String validationMessage = "";
if (vreq.getParameterValues("sourceModelName") == null) {
validationMessage += "<p>Please select one or more source models.</p>";
}
if (vreq.getParameter("destinationModelName") == null) {
validationMessage += "<p>Please select a destination model</p>";
}
if (validationMessage.length() > 0) {
vreq.setAttribute("validationMessage", validationMessage);
} else {
long constructedStmtCount = 0;
try {
constructedStmtCount = doExecuteSparql(vreq);
} catch (QueryParseException qpe) {
String errorMsg = "<p>Unable to parse query:</p>";
if (qpe.getMessage() != null) {
errorMsg += "<p>" + qpe.getMessage() + "</p>";
}
vreq.setAttribute("errorMsg", errorMsg);
} catch (InconsistentOntologyException ioe) {
String errorMsg = "<p>Inconsistent source ontology:</p>";
if (ioe.getMessage() != null) {
errorMsg += "<p>" + ioe.getMessage() + "</p>";
}
vreq.setAttribute("errorMsg", errorMsg);
}
vreq.setAttribute("constructedStmtCount", constructedStmtCount);
}
vreq.setAttribute("savedQueries", savedQueryList);
vreq.setAttribute("title", "SPARQL CONSTRUCT result");
vreq.setAttribute("bodyJsp", EXECUTE_SPARQL_JSP);
} else {
vreq.setAttribute("savedQueries", savedQueryList);
vreq.setAttribute("title", "Execute SPARQL Construct");
vreq.setAttribute("bodyJsp", EXECUTE_SPARQL_JSP);
}
}
