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/*
* Copyright (c) 2010-2011 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
/*
* Copyright (c) 2015 Tarun Gupta.
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
package com.isode.stroke.roster;
import com.isode.stroke.roster.XMPPRosterImpl;
import com.isode.stroke.roster.XMPPRosterEvents;
import com.isode.stroke.signals.SignalConnection;
import com.isode.stroke.signals.Slot1;
import com.isode.stroke.signals.Slot3;
import com.isode.stroke.jid.JID;
import java.util.Collection;
import java.util.ArrayList;
enum XMPPRosterEvents {
None,
Add,
Remove,
Update
};
public class XMPPRosterSignalHandler {
public XMPPRosterSignalHandler(XMPPRoster roster) {
this.eventCount = 0;
lastEvent_ = XMPPRosterEvents.None;
onJIDAddedConnection = roster.onJIDAdded.connect(new Slot1<JID>() {
@Override
public void call(JID j1) {
handleJIDAdded(j1);
}
});
onJIDRemovedConnection = roster.onJIDRemoved.connect(new Slot1<JID>() {
@Override
public void call(JID j1) {
handleJIDRemoved(j1);
}
});
onJIDUpdatedConnection = roster.onJIDUpdated.connect(new Slot3<JID, String, Collection<String> >() {
@Override
public void call(JID j1, String s1, Collection<String> c1) {
handleJIDUpdated(j1, s1, c1);
}
});
}
public XMPPRosterEvents getLastEvent() {
return lastEvent_;
}
public JID getLastJID() {
return lastJID_;
}
public String getLastOldName() {
return lastOldName_;
}
public Collection<String> getLastOldGroups() {
return lastOldGroups_;
}
public void reset() {
lastEvent_ = XMPPRosterEvents.None;
}
public final int getEventCount() {
return eventCount;
}
private void handleJIDAdded(final JID jid) {
lastJID_ = jid;
lastEvent_ = XMPPRosterEvents.Add;
eventCount++;
}
private void handleJIDRemoved(final JID jid) {
lastJID_ = jid;
lastEvent_ = XMPPRosterEvents.Remove;
eventCount++;
}
private void handleJIDUpdated(final JID jid, final String oldName, final Collection<String> oldGroups) {
assert(lastEvent_ == XMPPRosterEvents.None);
lastJID_ = jid;
lastOldName_ = oldName;
lastOldGroups_ = oldGroups;
lastEvent_ = XMPPRosterEvents.Update;
eventCount++;
}
private XMPPRosterEvents lastEvent_;
private JID lastJID_ = new JID(); //initialized
private String lastOldName_ = "";
private Collection<String> lastOldGroups_ = new ArrayList<String>(); //initialized
private int eventCount;
private SignalConnection onJIDAddedConnection;
private SignalConnection onJIDRemovedConnection;
private SignalConnection onJIDUpdatedConnection;
}
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