public int retrieveState(String userID) {
int userState = XmppFriend.OFFLINE; // default return value
Presence userFromServer = null;
try {
userFromServer = sConnection.getRoster().getPresence(userID);
userState = retrieveState(userFromServer.getMode(), userFromServer.isAvailable());
} catch (NullPointerException e) {
Log.e("retrieveState(): Invalid connection or user - NPE", e);
}
return userState;
}
@Override
public void onReceiveWithoutSms(Context context, int partNum, int res) {
answerTo = null;
Log.w("sms in smsMap missing");
switch (res) {
case Activity.RESULT_OK:
send(context.getString(R.string.chat_sms_delivered));
break;
case Activity.RESULT_CANCELED:
send(context.getString(R.string.chat_sms_not_delivered));
break;
}
}
/**
* returns the status message for a given bare or full JID
*
* @param userID
* @return
*/
public String retrieveStatusMessage(String userID) {
String userStatus = ""; // default return value
try {
userStatus = sConnection.getRoster().getPresence(userID).getStatus();
} catch (NullPointerException e) {
Log.e("Invalid connection or user in retrieveStatus() - NPE", e);
userStatus = "";
}
// Server may set their status to null; we want empty string
if (userStatus == null) {
userStatus = "";
}
return userStatus;
}
/**
* retrieves the current xmpp rooster and sends a broadcast ACTION_XMPP_PRESENCE_CHANGED for every
* friend does nothing if we are offline
*
* @return
*/
public ArrayList<XmppFriend> retrieveFriendList() {
ArrayList<XmppFriend> friends = new ArrayList<XmppFriend>();
if (sConnection != null && sConnection.isAuthenticated()) {
try {
String userID = null;
String status = null;
Roster roster = sConnection.getRoster();
for (RosterEntry r : roster.getEntries()) {
userID = r.getUser();
status = retrieveStatusMessage(userID);
friends.add(new XmppFriend(userID, r.getName(), status, retrieveState(userID)));
}
sendFriendList(friends);
} catch (Exception ex) {
Log.w("Failed to retrieve Xmpp Friend list", ex);
}
}
return friends;
}