/**
* The main code goes here
*/
function execute($par)
{
global $wgOut, $wgRequest;
try {
$this->setHeaders();
$submitButtonText = "Import";
// For now, print the result XML from the SPARQL query
if ($wgRequest->getText('action') === 'import') {
if (RDFIOUtils::currentUserHasWriteAccess()) {
$offset = $wgRequest->getVal('offset', 0);
$limit = $this->triplesPerBatch;
$submitButtonText = "Import next {$limit} triples...";
$wgOut->addHTML($this->getHTMLForm($submitButtonText));
$importInfo = $this->import($limit, $offset);
$externalSparqlUrl = $importInfo['externalSparqlUrl'];
$dataSourceImporter = new RDFIORDFImporter();
$dataSourceImporter->addDataSource($externalSparqlUrl, 'SPARQL');
} else {
$errTitle = "No write access";
$errMsg = "The current logged in user does not have write access";
RDFIOUtils::showErrorMessage($errTitle, $errMsg);
}
} else {
$wgOut->addHTML($this->getHTMLForm($submitButtonText));
$wgOut->addHTML('<div id=sources style="display:none">');
$wgOut->addWikiText('{{#ask: [[Category:RDFIO Data Source]] [[RDFIO Import Type::SPARQL]] |format=list }}');
$wgOut->addHTML('</div>');
}
} catch (RDFIOException $e) {
RDFIOUtils::showErrorMessage('Error!', $e->getMessage());
}
}
/**
* The main code goes here
*/
function execute($par)
{
global $wgOut;
try {
# Set HTML headers sent to the browser
$this->setHeaders();
# The main code
$requestData = $this->getRequestData();
if ($requestData->hasWriteAccess && $requestData->action === 'import') {
$importInfo = $this->importData($requestData);
$triples = $importInfo['triples'];
if ($triples) {
$rdfImporter = new RDFIORDFImporter();
$wgOut->addHTML($this->getHTMLForm($requestData));
$wgOut->addHTML($rdfImporter->showImportedTriples($triples));
if ($requestData->externalRdfUrl) {
$rdfImporter->addDataSource($requestData->externalRdfUrl, 'RDF');
}
} else {
if (!$triples) {
throw new RDFIOException("No new triples to import");
}
}
} else {
if (!$requestData->hasWriteAccess) {
throw new RDFIOException("User does not have write access");
} else {
$wgOut->addHTML($this->getHTMLForm($requestData));
$wgOut->addHTML('<div id=sources style="display:none">');
$wgOut->addWikiText('{{#ask: [[Category:RDFIO Data Source]] [[RDFIO Import Type::RDF]] |format=list }}');
$wgOut->addHTML('</div>');
}
}
} catch (MWException $e) {
RDFIOUtils::showErrorMessage('Error!', $e->getMessage());
}
}
/**
* Die and display current errors
*/
function handleSPARQLErrors() {
global $wgOut;
$sparqlEndpointErrors = $this->m_sparqlendpoint->getErrors();
if ( count( $sparqlEndpointErrors ) > 0 ) {
$errormessage = '';
if ( is_array( $sparqlEndpointErrors ) ) {
foreach ( $sparqlEndpointErrors as $sparqlEndpointError ) {
$errormessage .= "<p>$sparqlEndpointError</p>";
}
} else {
$errormessage = "<p>$sparqlEndpointErrors</p>";
}
RDFIOUtils::showErrorMessage( "SPARQL Error", $errormessage );
}
}
