public JID createJID(String username, String resource, boolean skipStringprep) {
        return new JID(username, xmppServerInfo.getXMPPDomain(), resource, skipStringprep);
    }
Creates an XMPPAddress local to this server. The construction of the new JID
can be optimized by skipping stringprep operations.

@param username the user name portion of the id or null to indicate none is needed.
@param resource the resource portion of the id or null to indicate none is needed.
@param skipStringprep true if stringprep should not be applied.
@return an XMPPAddress for the server.
xmppserver/src/main/java/org/jivesoftware/openfire/XMPPServer.java