Managing all users presence & chat conversations

Hi all,

         I just started working on Openfire & Smack API to build a chat system. Is there any way to get all Openfire users presence status without logging in with some user with connection instance. I have already installed Presence plugin to know presence status via HTTP requests but is there any event listener to achieve this instead of polling for every user?

        Similarly is there any Message listener to listen to all chats of Openfire users. Currently we have MessageListeners at user level(means need to create connection for every user, login & then overriding Message listener). Is there any implementation at application level?

Thanks in Advance

Sasi