public String getGroup() {
        return this.groupValue;
    }
Returns true if the packet to analyze matches the condition defined by this rule.
Variables involved in the analysis are: type (e.g. jid, group, etc.), value (based
on the type) and granular control that defines which type of packets should be
considered.

@param packet the packet to analyze if matches the rule's condition.
@param roster the roster of the owner of the privacy list.
@param userJID the JID of the owner of the privacy list.
@return true if the packet to analyze matches the condition defined by this rule.
xmppserver/src/main/java/org/jivesoftware/openfire/privacy/PrivacyItem.java