public String sparql(String sparqlQuery, String wikiURL) {
StringMatrix result = new StringMatrix();
String resultString = null;
RDFManager myRdfManager = new RDFManager();
wikiURL = ensureTrailingSlash(wikiURL);
// Make some configurations
String serviceURL = wikiURL + "Special:SPARQLEndpoint";
if (sparqlQuery.contains("INSERT INTO <")) {
String sparqlQueryUrlEnc = urlencode(sparqlQuery);
String getURL = serviceURL + "?query=" + sparqlQueryUrlEnc;
resultString = downloadURL(getURL);
} else {
result = myRdfManager.sparqlRemote(serviceURL, sparqlQuery, null);
resultString = result.toString();
}
// Convert and return results
return resultString;
}
/**
* Get
*
* @param wikiURL
* @param limit
* @return resultRDF
*/
public IRDFStore getRDF(String wikiURL, int limit) {
String sparqlQuery = null;
RDFManager myRdfManager = new RDFManager();
IRDFStore resultRDF = null;
if (limit == 0) {
sparqlQuery = "CONSTRUCT { ?s ?p ?o } WHERE { ?s ?p ?o }";
} else {
sparqlQuery =
"CONSTRUCT { ?s ?p ?o } WHERE { ?s ?p ?o }" + "LIMIT " + Integer.toString(limit);
}
// Make some configurations
String serviceURL = wikiURL + "Special:SPARQLEndpoint";
try {
resultRDF = myRdfManager.sparqlConstructRemote(serviceURL, sparqlQuery, null);
} catch (BioclipseException e) {
e.printStackTrace();
}
return resultRDF;
}
public void putRDF(IRDFStore rdfData, String wikiURL) {
// Create a Manager for SPARQLing the rdfData
RDFManager myRdfManager = new RDFManager();
String sparqlInsertTriple;
String sparqlGetAllTriples = "SELECT ?s ?p ?o WHERE { ?s ?p ?o }";
try {
StringMatrix rdfDataMatrix = myRdfManager.sparql(rdfData, sparqlGetAllTriples);
int mxRowsCnt = rdfDataMatrix.getRowCount();
System.out.println("mxRowsCnt: " + mxRowsCnt);
// We skip the first row which just contains column names
for (int i = 1; i < mxRowsCnt; i++) {
sparqlInsertTriple = "INSERT INTO <> {\n";
sparqlInsertTriple +=
"<"
+ rdfDataMatrix.get(i, 1)
+ "> <"
+ rdfDataMatrix.get(i, 2)
+ "> <"
+ rdfDataMatrix.get(i, 3)
+ "> .\n";
sparqlInsertTriple += "}\n";
System.out.println(
"SPARQL INSERT CODE:\n---------------------------------\n" + sparqlInsertTriple);
sparql(sparqlInsertTriple, wikiURL);
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (BioclipseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (CoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
