code: public static synchronized SecurityConnector getConnector( FFMQEngineSetup setup ) throws JMSException
      {
          if (connector == null)
          {
              String connectorType = setup.getSecurityConnectorType();
              try
              {
                  Class<?> connectorClass = Class.forName(connectorType);
                  connector = (SecurityConnector)connectorClass
                      .getConstructor(new Class[] { Settings.class })
                      .newInstance(new Object[] { setup.getSettings() });
              }
              catch (ClassNotFoundException e)
              {
                  throw new FFMQException("Security connector class not found : "+connectorType,"SECURITY_ERROR",e);
              }
              catch (ClassCastException e)
              {
                  throw new FFMQException("Invalid security connector class : "+connectorType,"SECURITY_ERROR",e);
              }
              catch (InstantiationException e)
              {
                  throw new FFMQException("Cannot create security connector","SECURITY_ERROR",e.getCause());
              }
              catch (InvocationTargetException e)
              {
                  throw new FFMQException("Cannot create security connector","SECURITY_ERROR",e.getTargetException());
              }
              catch (Exception e)
              {
                  throw new FFMQException("Cannot create security connector","SECURITY_ERROR",e);
              }
          }
          return connector;
      }
docs: Get the security connector instance