// set default value
if (httpServlet == null) httpServlet = new SpringHttpServlet();
if (bootstrapServlet == null) bootstrapServlet = new BootstrapServlet();
if (httpSessionListener == null && servletContextListener == null) {
final SpringApplicationLoader applicationLoader = new SpringApplicationLoader();
applicationLoader.setApplicationID(applicationID);
applicationLoader.setApplicationName(applicationName);
applicationLoader.setApplicationDescription(applicationDescription);
httpSessionListener = applicationLoader;
servletContextListener = applicationLoader;
}
if (servletConextFilter == null) servletConextFilter = new ServletContextFilter();