org.apache.myfaces.webapp.StartupServletContextListener Java Examples

@Override
public void onStartup(ServletContext servletContext)
        throws ServletException {
    servletContext.setInitParameter("primefaces.THEME", "bootstrap");

    MyFacesContainerInitializer facesInitializer = new MyFacesContainerInitializer();
    Set<Class<?>> clazz = new HashSet<Class<?>>();
    clazz.add(JsfConfig.class);
    facesInitializer.onStartup(clazz, servletContext);

    servletContext.addListener(new StartupServletContextListener());

}
 

/**
 * This {@link WebFragmentRegistrationBean} is equivalent to the
 * {@code META-INF/web-fragment.xml} of the {@code myfaces-impl.jar}.
 *
 * @return myFacesWebFragmentRegistrationBean
 */
@Bean
@ConditionalOnClass(name = "org.apache.myfaces.webapp.StartupServletContextListener")
public WebFragmentRegistrationBean myFacesWebFragmentRegistrationBean() {
	WebFragmentRegistrationBean webFragmentRegistrationBean = new WebFragmentRegistrationBean();
	webFragmentRegistrationBean.getListeners().add(StartupServletContextListener.class);
	return webFragmentRegistrationBean;
}
 

@Override
public void onStartup(final Set<Class<?>> classes, final ServletContext ctx) throws ServletException {
    // try to skip first
    if ("true".equalsIgnoreCase(ctx.getInitParameter("org.apache.myfaces.INITIALIZE_ALWAYS_STANDALONE"))
            || "true".equals(SystemInstance.get().getProperty(OPENEJB_JSF_SKIP, "false"))) {
        return;
    }

    // if mojarra is present skip myfaces startup
    try {
        ctx.getClassLoader().loadClass("com.sun.faces.context.SessionMap");
        return;
    } catch (final ClassNotFoundException | NoClassDefFoundError cnfe) {
        // no-op
    }

    // some message filtering, not a perf killer since this class don't log a lot
    final Logger abstractInitializerLogger = Logger.getLogger(AbstractFacesInitializer.class.getName());
    abstractInitializerLogger.setFilter(new RemoveLogMessage(
            new RemoveLogMessage(abstractInitializerLogger.getFilter(),
                    Level.WARNING, "No mappings of FacesServlet found. Abort initializing MyFaces."),
            Level.WARNING, "No mappings of FacesServlet found. Abort destroy MyFaces."));

    final boolean facesServletPresent = isFacesServletPresent(ctx);
    if (facesServletPresent || isFacesConfigPresent(ctx)) {
        // we found a faces-config.xml or some classes so let's delegate to myfaces

        // since we don't want to call isFacesConfigPresent again (it scan all jars!!!!)
        // forcing classes to not be empty
        Set<Class<?>> passedClasses = classes;
        if (passedClasses == null) {
            passedClasses = new HashSet<Class<?>>();
        }
        if (passedClasses.isEmpty()) {
            passedClasses.add(TomEEMyFacesContainerInitializer.class);
        }

        if (ctx instanceof ApplicationContextFacade) {
            try {
                final ApplicationContext appCtx = (ApplicationContext) get(ApplicationContextFacade.class, ctx);
                final Context tomcatCtx = (Context) get(ApplicationContext.class, appCtx);
                if (!Arrays.asList(tomcatCtx.findApplicationListeners()).contains(StartupServletContextListener.class.getName())) {
                    addListener(ctx);
                }
            } catch (final Exception e) {
                // add it, not important we'll simply get a warning saying it is already here
                addListener(ctx);
            }
        }

        // finally delegating begin sure we'll not call isFacesConfigPresent
        if (!facesServletPresent) {
            delegate.onStartup(classes, ctx);
        } // else already done since there is the servlet
    }
}
 

private void addListener(final ServletContext ctx) {
    final Logger logger = Logger.getLogger(AbstractFacesInitializer.class.getName());
    logger.log(Level.INFO, "Installing <listener>" + StartupServletContextListener.class.getName() + "</listener>");
    ctx.addListener(StartupServletContextListener.class);
}