public AprLifecycleListener() 
{
        instanceCreated = true;
}

 public String getSSLEngine() 
{
        return SSLEngine;
}

 public String getSSLRandomSeed() 
{
        return SSLRandomSeed;
}

 public static boolean isAprAvailable() 
{
        //https://issues.apache.org/bugzilla/show_bug.cgi?id=48613
        if (instanceCreated) init();
        return aprAvailable;
}

 public  void lifecycleEvent(LifecycleEvent event) 
{
        if (Lifecycle.INIT_EVENT.equals(event.getType())) {
            init();
            if (aprAvailable) {
                try {
                    initializeSSL();
                } catch (Throwable t) {
                    if (!log.isDebugEnabled()) {
                        log.info(sm.getString("aprListener.sslInit"));
                    } else {
                        log.debug(sm.getString("aprListener.sslInit"), t);
                    }
                }
            }
        } else if (Lifecycle.AFTER_STOP_EVENT.equals(event.getType())) {
            if (!aprAvailable) {
                return;
            }
            try {
                terminateAPR();
            } catch (Throwable t) {
                if (!log.isDebugEnabled()) {
                    log.info(sm.getString("aprListener.aprDestroy"));
                } else {
                    log.debug(sm.getString("aprListener.aprDestroy"), t);
                }
            }
        }
}

Primary entry point for startup and shutdown events.

 public  void setSSLEngine(String SSLEngine) 
{
        this.SSLEngine = SSLEngine;
}

 public  void setSSLRandomSeed(String SSLRandomSeed) 
{
        this.SSLRandomSeed = SSLRandomSeed;
}