/**
* Get the features sorted correctly to calculate the ver attribute.
*
* @param info the DiscoverInfo containing the features
* @return the sorted list of features.
*/
private List<String> getSortedFeature(DiscoverInfo info) {
List<String> result = new ArrayList<String>();
Iterator<DiscoverInfo.Feature> it = info.getFeatures();
while (it.hasNext()) {
DiscoverInfo.Feature feat = it.next();
result.add(feat.getVar());
}
Collections.sort(result);
return result;
}
/**
* Tries to discover if the server of the given XMPPConnection provides also a MUC component. Will
* return the MUCs Component ID if one is found otherwise returns null
*
* @param connection
* @return
* @throws XMPPException
*/
public static String disocverMUC(XMPPConnection connection) throws XMPPException {
ServiceDiscoveryManager sdm = ServiceDiscoveryManager.getInstanceFor(connection);
DiscoverItems ditem = sdm.discoverItems(connection.getServiceName());
Iterator<Item> it = ditem.getItems();
while (it.hasNext()) {
Item i = it.next();
DiscoverInfo dinfo = sdm.discoverInfo(i.getEntityID());
Iterator<Feature> itFeatures = dinfo.getFeatures();
while (itFeatures.hasNext()) {
Feature f = itFeatures.next();
if (f.getVar().equals(MUC_FEATURE)) {
return i.getEntityID();
}
}
}
return null;
}
private boolean checkIfPrivacyIsSupported(XMPPConnection conn) {
ServiceDiscoveryManager servDisc = ServiceDiscoveryManager.getInstanceFor(conn);
DiscoverInfo info = null;
try {
String xmppHost = DNSUtil.resolveXMPPDomain(conn.getServiceName()).getHost();
info = servDisc.discoverInfo(xmppHost);
} catch (XMPPException e) {
// We could not query the server
return false;
}
if (info != null) {
for (Iterator<Feature> i = info.getFeatures(); i.hasNext(); ) {
String s = i.next().getVar();
if (s.contains("jabber:iq:privacy")) {
return true;
}
}
}
return false;
}
