private void LoadQueriesBtnMouseClicked(
java.awt.event.MouseEvent evt) { // GEN-FIRST:event_LoadQueriesBtnMouseClicked
// Algorithm
/*
* Goto queries' directory and load all queryfile.query to Combobox
* Change local directory to repository diretory
* List all file there
* Try to load all file and add to combobox
*
*
*/
String sQueryRepositoryPath = "/home/natuan/Documents/OntologyMysql/QueriesRepository/";
File dir = new File(sQueryRepositoryPath);
String[] children = dir.list();
if (children == null) {
// Either dir does not exist or is not a directory
} else {
System.out.println("list files");
for (int i = 0; i < children.length; i++) {
// Get filename of file or directory
String filename = children[i];
String sContent = ReadWholeFileToString(sQueryRepositoryPath + filename);
queryList.add(sContent);
QueriesCmb.addItem(filename);
SparqlTxtArea.setText(sContent);
// System.out.println(filename);
}
QueriesCmb.setSelectedIndex(children.length - 1);
}
} // GEN-LAST:event_LoadQueriesBtnMouseClicked
private static ResultSetRewindable unique(ResultSetRewindable results) {
// VERY crude. Utilises the fact that bindings have value equality.
List<Binding> x = new ArrayList<Binding>();
Set<Binding> seen = new HashSet<Binding>();
for (; results.hasNext(); ) {
Binding b = results.nextBinding();
if (seen.contains(b)) continue;
seen.add(b);
x.add(b);
}
QueryIterator qIter = new QueryIterPlainWrapper(x.iterator());
ResultSet rs =
new ResultSetStream(results.getResultVars(), ModelFactory.createDefaultModel(), qIter);
return ResultSetFactory.makeRewindable(rs);
}
private ResultSetRewindable convertToStrings(ResultSetRewindable resultsActual) {
List<Binding> bindings = new ArrayList<Binding>();
while (resultsActual.hasNext()) {
Binding b = resultsActual.nextBinding();
BindingMap b2 = BindingFactory.create();
for (String vn : resultsActual.getResultVars()) {
Var v = Var.alloc(vn);
Node n = b.get(v);
String s;
if (n == null) s = "";
else if (n.isBlank()) s = "_:" + n.getBlankNodeLabel();
else s = NodeFunctions.str(n);
b2.add(v, NodeFactory.createLiteral(s));
}
bindings.add(b2);
}
ResultSet rs =
new ResultSetStream(
resultsActual.getResultVars(), null, new QueryIterPlainWrapper(bindings.iterator()));
return ResultSetFactory.makeRewindable(rs);
}