public void formatMultiValue(
final Iterator<?> iIterator, final StringWriter buffer, final String format)
throws IOException {
if (iIterator != null) {
int counter = 0;
String objectJson;
while (iIterator.hasNext()) {
final Object entry = iIterator.next();
if (entry != null) {
if (counter++ > 0) buffer.append(", ");
if (entry instanceof OIdentifiable) {
ORecord<?> rec = ((OIdentifiable) entry).getRecord();
try {
objectJson = rec.getRecord().toJSON(format);
buffer.append(objectJson);
} catch (Exception e) {
OLogManager.instance()
.error(this, "Error transforming record " + rec.getIdentity() + " to JSON", e);
}
} else if (OMultiValue.isMultiValue(entry))
formatMultiValue(OMultiValue.getMultiValueIterator(entry), buffer, format);
else buffer.append(OJSONWriter.writeValue(entry, format));
}
}
}
}
@SuppressWarnings("unchecked")
public void writeResult(Object iResult, final String iFormat)
throws InterruptedException, IOException {
if (iResult == null)
send(
OHttpUtils.STATUS_OK_NOCONTENT_CODE, "", OHttpUtils.CONTENT_TEXT_PLAIN, null, null, true);
else {
if (iResult instanceof Map<?, ?>) {
iResult = ((Map<?, ?>) iResult).entrySet().iterator();
} else if (OMultiValue.isMultiValue(iResult)
&& (OMultiValue.getSize(iResult) > 0
&& !(OMultiValue.getFirstValue(iResult) instanceof OIdentifiable))) {
final List<OIdentifiable> resultSet = new ArrayList<OIdentifiable>();
resultSet.add(new ODocument().field("value", iResult));
iResult = resultSet.iterator();
} else if (iResult instanceof OIdentifiable) {
// CONVERT SIGLE VALUE IN A COLLECTION
final List<OIdentifiable> resultSet = new ArrayList<OIdentifiable>();
resultSet.add((OIdentifiable) iResult);
iResult = resultSet.iterator();
} else if (iResult instanceof Iterable<?>)
iResult = ((Iterable<OIdentifiable>) iResult).iterator();
else if (OMultiValue.isMultiValue(iResult))
iResult = OMultiValue.getMultiValueIterator(iResult);
else {
final List<OIdentifiable> resultSet = new ArrayList<OIdentifiable>();
resultSet.add(new ODocument().field("value", iResult));
iResult = resultSet.iterator();
}
if (iResult == null)
send(
OHttpUtils.STATUS_OK_NOCONTENT_CODE,
"",
OHttpUtils.CONTENT_TEXT_PLAIN,
null,
null,
true);
else if (iResult instanceof Iterator<?>)
writeRecords((Iterator<OIdentifiable>) iResult, null, iFormat);
}
}
