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VIVO-719 Don't use streaming unless required.

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At some point we need to find out who is not closing connections.
This commit is contained in:
Jim Blake 2014-06-07 13:47:34 -04:00
parent 21a3c242df
commit be11b190bc
1 changed files with 33 additions and 4 deletions
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37
webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/jena/RDFServiceJena.java
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@ -478,12 +478,41 @@ public abstract class RDFServiceJena extends RDFServiceImpl implements RDFServic
@Override
public InputStream sparqlSelectQuery(String query, ResultFormat resultFormat)
throws RDFServiceException {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
sparqlSelectQuery(query, resultFormat, outputStream);
return new ByteArrayInputStream(outputStream.toByteArray());
DatasetWrapper dw = getDatasetWrapper();
try {
Dataset d = dw.getDataset();
Query q = createQuery(query);
QueryExecution qe = createQueryExecution(query, q, d);
try {
ResultSet resultSet = qe.execSelect();
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
switch (resultFormat) {
case CSV:
ResultSetFormatter.outputAsCSV(outputStream,resultSet);
break;
case TEXT:
ResultSetFormatter.out(outputStream,resultSet);
break;
case JSON:
ResultSetFormatter.outputAsJSON(outputStream, resultSet);
break;
case XML:
ResultSetFormatter.outputAsXML(outputStream, resultSet);
break;
default:
throw new RDFServiceException("unrecognized result format");
}
InputStream result = new ByteArrayInputStream(outputStream.toByteArray());
return result;
} finally {
qe.close();
}
} finally {
dw.close();
}
}
@Override
@Override
public boolean sparqlAskQuery(String query) throws RDFServiceException {
DatasetWrapper dw = getDatasetWrapper();
try {