@Override
    protected Action getExecuteAction(@Nonnull final SessionData data )
    {
        // Do nothing since there are no stages.
        return null;
    }
A (very) basic ad-hoc command that returns the server time in UTC. The ad-hoc command implemented in this class
differs from most others in the fact that it has no restrictions in what entity is allowed to execute/use it.

@author Guus der Kinderen, guus.der.kinderen@gmail.com
xmppserver/src/main/java/org/jivesoftware/openfire/commands/generic/Ping.java