Method addClusterRuleSet

java/org/apache/catalina/startup/Catalina.java:595–620

Cluster support is optional. The JARs may have been removed.

(Digester digester, String prefix)

     * Cluster support is optional. The JARs may have been removed.
     */
    private void addClusterRuleSet(Digester digester, String prefix) {
        Class<?> clazz;
        Constructor<?> constructor;
        try {
            clazz = Class.forName("org.apache.catalina.ha.ClusterRuleSet");
            Class.forName("org.apache.catalina.tribes.Channel");
            constructor = clazz.getConstructor(String.class);
            RuleSet ruleSet = (RuleSet) constructor.newInstance(prefix);

            String clusterPrefix = prefix.substring(0, prefix.length() - 1);
            digester.addObjectCreate(clusterPrefix, null, "className");
            digester.addSetProperties(clusterPrefix);
            digester.addSetNext(clusterPrefix, "setCluster", "org.apache.catalina.Cluster");

            digester.addRuleSet(ruleSet);
        } catch (Exception e) {
            if (!clusterUnavailabilityLogged) {
                if (log.isDebugEnabled()) {
                    log.debug(sm.getString("catalina.noCluster", e.getClass().getName() + ": " + e.getMessage()), e);
                } else if (log.isInfoEnabled()) {
                    log.info(sm.getString("catalina.noCluster", e.getClass().getName() + ": " + e.getMessage()));
                }
                clusterUnavailabilityLogged = true;
            }
        }
    }

    /**
     * Create and configure the Digester we will be using for shutdown.