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package sfs2x.extension.userdisconnect.src;


import com.smartfoxserver.v2.core.SFSEventType;
import com.smartfoxserver.v2.extensions.SFSExtension;

public class UserDisconnectExtension extends SFSExtension
{
       @Override
       public void init()
       {
               trace("Initialising SmartFox Extension example");

               addEventHandler(SFSEventType.USER_DISCONNECT, UserDisconnectHandler.class);
               addEventHandler(SFSEventType.USER_LOGOUT, UserDisconnectHandler.class);
               addEventHandler(SFSEventType.USER_LEAVE_ROOM, UserDisconnectHandler.class);
       }

       @Override
       public void destroy()
       {
               super.destroy();
               removeRequestHandler("example_request");
               removeEventHandler(SFSEventType.USER_DISCONNECT);
       }
}

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package sfs2x.extension.userdisconnect.src;

import com.smartfoxserver.v2.core.ISFSEvent;
import com.smartfoxserver.v2.core.SFSEventParam;
import com.smartfoxserver.v2.entities.User;
import com.smartfoxserver.v2.entities.data.ISFSObject;
import com.smartfoxserver.v2.entities.data.SFSObject;
import com.smartfoxserver.v2.exceptions.SFSException;
import com.smartfoxserver.v2.extensions.BaseServerEventHandler;

public class UserDisconnectHandler extends BaseServerEventHandler
{
       @Override
       public void handleServerEvent(ISFSEvent arg0) throws SFSException
       {
               User user = (User)arg0.getParameter(SFSEventParam.USER);
               trace("Event Received. User has disconnected: " + user.getName());

               //Same string as per SmartFoxClient's onExtensionResponse() function.
               //Returns some mock data to the client
               send("server_return_data", getReturnData(), user);
       }

       public ISFSObject getReturnData()
       {
               ISFSObject returnData = SFSObject.newInstance();
               returnData.putInt("foo", 123);
               return returnData;
       }

}

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sfs.addEventListener(SFSEvent.EXTENSION_RESPONSE, onExtensionResponse);

private function onExtensionResponse(event:SFSEvent):void
		{
			MonsterDebugger.trace(this, "[SmartFoxConnector] Got an extension response!");
			var params : ISFSObject = event.params.params;
			var cmd : String = event.params.cmd;
			
			switch(cmd)
			{
				//Refer to the java UserJoinedRoomHandler class to see where
				//this string is sent from
				case "server_return_data":
				                                       MonsterDebugger.trace(this, "Returned value of params.foo: " + params.getInt("foo"));
								       break;
			}
		}

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 send("server_return_data", getReturnData(), user);