@Override
public void process(final Exchange exchange) throws Exception {
// If a query is set in the header or uri, use it
Collection<String> queries = new ArrayList<String>();
Collection tmp = exchange.getIn().getHeader(SPARQL_QUERY_PROP, Collection.class);
if (tmp != null) {
queries = tmp;
} else {
String query = exchange.getIn().getHeader(SPARQL_QUERY_PROP, String.class);
if (query != null) {
queries.add(query);
}
}
if (queries.size() > 0) sparqlQuery(exchange, queries);
else inputTriples(exchange);
}
protected void sparqlQuery(Exchange exchange, Collection<String> queries)
throws RepositoryException, MalformedQueryException, QueryEvaluationException,
TupleQueryResultHandlerException, RDFHandlerException {
List list = new ArrayList();
for (String query : queries) {
// Long startTime = exchange.getIn().getHeader(START_TIME_QUERY_PROP, Long.class);
// Long ttl = exchange.getIn().getHeader(TTL_QUERY_PROP, Long.class);
String auth = exchange.getIn().getHeader(CONF_QUERY_AUTH, String.class);
Boolean infer = exchange.getIn().getHeader(CONF_INFER, Boolean.class);
Object output = performSelect(query, auth, infer);
if (queries.size() == 1) {
exchange.getOut().setBody(output);
return;
} else list.add(output);
}
exchange.getOut().setBody(list);
}