org.springframework.web.context.ContextLoaderListener Java Examples

@Test
public void abstractRefreshableWAC_respectsProgrammaticConfigLocations() {
	XmlWebApplicationContext ctx = new XmlWebApplicationContext();
	ctx.setConfigLocation("programmatic.xml");
	ContextLoaderListener cll = new ContextLoaderListener(ctx);

	MockServletContext sc = new MockServletContext();

	try {
		cll.contextInitialized(new ServletContextEvent(sc));
		fail("expected exception");
	} catch (Throwable t) {
		// assert that an attempt was made to load the correct XML
		assertTrue(t.getMessage(), t.getMessage().endsWith(
				"Could not open ServletContext resource [/programmatic.xml]"));
	}
}
 

/**
 * If context config locations have been specified neither against the application
 * context nor the context loader listener, then fall back to default values.
 */
@Test
public void abstractRefreshableWAC_fallsBackToConventionBasedNaming() {
	XmlWebApplicationContext ctx = new XmlWebApplicationContext();
	//ctx.setConfigLocation("programmatic.xml"); // nothing set programmatically
	ContextLoaderListener cll = new ContextLoaderListener(ctx);

	MockServletContext sc = new MockServletContext();
	// no init-param set
	//sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");

	try {
		cll.contextInitialized(new ServletContextEvent(sc));
		fail("expected exception");
	}
	catch (Throwable t) {
		// assert that an attempt was made to load the correct XML
		System.out.println(t.getMessage());
		assertTrue(t.getMessage().endsWith(
				"Could not open ServletContext resource [/WEB-INF/applicationContext.xml]"));
	}
}
 

/**
 * If a contextConfigLocation init-param has been specified for the ContextLoaderListener,
 * then it should take precedence. This is generally not a recommended practice, but
 * when it does happen, the init-param should be considered more specific than the
 * programmatic configuration, given that it still quite possibly externalized in
 * hybrid web.xml + WebApplicationInitializer cases.
 */
@Test
public void abstractRefreshableWAC_respectsInitParam_overProgrammaticConfigLocations() {
	XmlWebApplicationContext ctx = new XmlWebApplicationContext();
	ctx.setConfigLocation("programmatic.xml");
	ContextLoaderListener cll = new ContextLoaderListener(ctx);

	MockServletContext sc = new MockServletContext();
	sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");

	try {
		cll.contextInitialized(new ServletContextEvent(sc));
		fail("expected exception");
	}
	catch (Throwable t) {
		// assert that an attempt was made to load the correct XML
		assertTrue(t.getMessage(), t.getMessage().endsWith(
				"Could not open ServletContext resource [/from-init-param.xml]"));
	}
}
 

/**
 * If setConfigLocation has not been called explicitly against the application context,
 * then fall back to the ContextLoaderListener init-param if present.
 */
@Test
public void abstractRefreshableWAC_fallsBackToInitParam() {
	XmlWebApplicationContext ctx = new XmlWebApplicationContext();
	//ctx.setConfigLocation("programmatic.xml"); // nothing set programmatically
	ContextLoaderListener cll = new ContextLoaderListener(ctx);

	MockServletContext sc = new MockServletContext();
	sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");

	try {
		cll.contextInitialized(new ServletContextEvent(sc));
		fail("expected exception");
	}
	catch (Throwable t) {
		// assert that an attempt was made to load the correct XML
		assertTrue(t.getMessage().endsWith(
				"Could not open ServletContext resource [/from-init-param.xml]"));
	}
}
 

public static void main(final String[] args) throws Exception {
    final File base = createBaseDirectory();
    log.info("Using base folder: " + base.getAbsolutePath());

    final Tomcat tomcat = new Tomcat();
    tomcat.setPort(8080);
    tomcat.setBaseDir( base.getAbsolutePath() );

    Context context = tomcat.addContext( "/", base.getAbsolutePath() );
    Tomcat.addServlet( context, "CXFServlet", new CXFServlet() );

    context.addServletMapping( "/rest/*", "CXFServlet" );
    context.addApplicationListener( ContextLoaderListener.class.getName() );
    context.setLoader( new WebappLoader( Thread.currentThread().getContextClassLoader() ) );

    context.addParameter( "contextClass", AnnotationConfigWebApplicationContext.class.getName() );
    context.addParameter( "contextConfigLocation", MusicConfig.class.getName() );

    tomcat.start();
    tomcat.getServer().await();
}
 

@Test
public void abstractRefreshableWAC_respectsProgrammaticConfigLocations() {
	XmlWebApplicationContext ctx = new XmlWebApplicationContext();
	ctx.setConfigLocation("programmatic.xml");
	ContextLoaderListener cll = new ContextLoaderListener(ctx);

	MockServletContext sc = new MockServletContext();

	try {
		cll.contextInitialized(new ServletContextEvent(sc));
		fail("expected exception");
	}
	catch (Throwable t) {
		// assert that an attempt was made to load the correct XML
		assertTrue(t.getMessage(), t.getMessage().endsWith(
				"Could not open ServletContext resource [/programmatic.xml]"));
	}
}
 

/**
 * If context config locations have been specified neither against the application
 * context nor the context loader listener, then fall back to default values.
 */
@Test
public void abstractRefreshableWAC_fallsBackToConventionBasedNaming() {
	XmlWebApplicationContext ctx = new XmlWebApplicationContext();
	//ctx.setConfigLocation("programmatic.xml"); // nothing set programmatically
	ContextLoaderListener cll = new ContextLoaderListener(ctx);

	MockServletContext sc = new MockServletContext();
	// no init-param set
	//sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");

	try {
		cll.contextInitialized(new ServletContextEvent(sc));
		fail("expected exception");
	}
	catch (Throwable t) {
		// assert that an attempt was made to load the correct XML
		System.out.println(t.getMessage());
		assertTrue(t.getMessage().endsWith(
				"Could not open ServletContext resource [/WEB-INF/applicationContext.xml]"));
	}
}
 

/**
 * Ensure that any custom default locations are still respected.
 */
@Test
public void customAbstractRefreshableWAC_fallsBackToInitParam() {
	XmlWebApplicationContext ctx = new XmlWebApplicationContext() {
		@Override
		protected String[] getDefaultConfigLocations() {
			return new String[] { "/WEB-INF/custom.xml" };
		}
	};
	//ctx.setConfigLocation("programmatic.xml"); // nothing set programmatically
	ContextLoaderListener cll = new ContextLoaderListener(ctx);

	MockServletContext sc = new MockServletContext();
	sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");

	try {
		cll.contextInitialized(new ServletContextEvent(sc));
		fail("expected exception");
	}
	catch (Throwable t) {
		// assert that an attempt was made to load the correct XML
		System.out.println(t.getMessage());
		assertTrue(t.getMessage().endsWith(
				"Could not open ServletContext resource [/from-init-param.xml]"));
	}
}
 

/**
 * If setConfigLocation has not been called explicitly against the application context,
 * then fall back to the ContextLoaderListener init-param if present.
 */
@Test
public void abstractRefreshableWAC_fallsBackToInitParam() {
	XmlWebApplicationContext ctx = new XmlWebApplicationContext();
	//ctx.setConfigLocation("programmatic.xml"); // nothing set programmatically
	ContextLoaderListener cll = new ContextLoaderListener(ctx);

	MockServletContext sc = new MockServletContext();
	sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");

	try {
		cll.contextInitialized(new ServletContextEvent(sc));
		fail("expected exception");
	}
	catch (Throwable t) {
		// assert that an attempt was made to load the correct XML
		assertTrue(t.getMessage().endsWith(
				"Could not open ServletContext resource [/from-init-param.xml]"));
	}
}
 

/**
 * If a contextConfigLocation init-param has been specified for the ContextLoaderListener,
 * then it should take precedence. This is generally not a recommended practice, but
 * when it does happen, the init-param should be considered more specific than the
 * programmatic configuration, given that it still quite possibly externalized in
 * hybrid web.xml + WebApplicationInitializer cases.
 */
@Test
public void abstractRefreshableWAC_respectsInitParam_overProgrammaticConfigLocations() {
	XmlWebApplicationContext ctx = new XmlWebApplicationContext();
	ctx.setConfigLocation("programmatic.xml");
	ContextLoaderListener cll = new ContextLoaderListener(ctx);

	MockServletContext sc = new MockServletContext();
	sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");

	try {
		cll.contextInitialized(new ServletContextEvent(sc));
		fail("expected exception");
	}
	catch (Throwable t) {
		// assert that an attempt was made to load the correct XML
		assertTrue(t.getMessage(), t.getMessage().endsWith(
				"Could not open ServletContext resource [/from-init-param.xml]"));
	}
}
 

@Test
public void abstractRefreshableWAC_respectsProgrammaticConfigLocations() {
	XmlWebApplicationContext ctx = new XmlWebApplicationContext();
	ctx.setConfigLocation("programmatic.xml");
	ContextLoaderListener cll = new ContextLoaderListener(ctx);

	MockServletContext sc = new MockServletContext();

	try {
		cll.contextInitialized(new ServletContextEvent(sc));
		fail("expected exception");
	}
	catch (Throwable t) {
		// assert that an attempt was made to load the correct XML
		assertTrue(t.getMessage(), t.getMessage().endsWith(
				"Could not open ServletContext resource [/programmatic.xml]"));
	}
}
 

public void onStartup(ServletContext container) throws ServletException {

        AnnotationConfigWebApplicationContext ctx = new AnnotationConfigWebApplicationContext();
        ctx.register(ApplicationConfiguration.class);
        // ctx.register(ThymeleafConfiguration.class);
        // ctx.register(FreemarkerConfiguration.class);
        // ctx.register(GroovyConfiguration.class);
        // ctx.register(JadeTemplateConfiguration.class);
        // ctx.register(PushConfiguration.class);
        ctx.register(EmailConfiguration.class);
        // ctx.setServletContext(container);
        
        // Manage the lifecycle of the root application context
        container.addListener(new ContextLoaderListener(ctx));

        ServletRegistration.Dynamic servlet = container.addServlet("dispatcher", new DispatcherServlet(ctx));

        servlet.setLoadOnStartup(1);
        servlet.addMapping("/");
    }
 

public void startPeopleService() throws Exception {
    final File base = createBaseDirectory();
    log.info("Using base folder: " + base.getAbsolutePath());

    final Tomcat tomcat = new Tomcat();
    tomcat.setPort(8080);
    tomcat.setBaseDir(base.getAbsolutePath());

    Context context = tomcat.addContext("/", base.getAbsolutePath());
    Tomcat.addServlet(context, "CXFServlet", new CXFServlet());

    context.addServletMapping("/rest/*", "CXFServlet");
    context.addApplicationListener(ContextLoaderListener.class.getName());
    context.setLoader(new WebappLoader(Thread.currentThread().getContextClassLoader()));

    context.addParameter("contextClass", AnnotationConfigWebApplicationContext.class.getName());
    context.addParameter("contextConfigLocation", AppConfig.class.getName());

    tomcat.start();
    tomcat.getServer().await();
}
 

public static void main(final String[] args) throws Exception {
    final File base = createBaseDirectory();
    log.info("Using base folder: " + base.getAbsolutePath());

    final Tomcat tomcat = new Tomcat();
    tomcat.setPort(8080);
    tomcat.setBaseDir(base.getAbsolutePath());

    Context context = tomcat.addContext("/", base.getAbsolutePath());
    Tomcat.addServlet(context, "CXFServlet", new CXFServlet());

    context.addServletMapping("/rest/*", "CXFServlet");
    context.addApplicationListener(ContextLoaderListener.class.getName());
    context.setLoader(new WebappLoader(Thread.currentThread().getContextClassLoader()));

    context.addParameter("contextClass", AnnotationConfigWebApplicationContext.class.getName());
    context.addParameter("contextConfigLocation", MusicConfig.class.getName());

    tomcat.start();
    tomcat.getServer().await();
}
 

/**
 * Register and configure all Servlet container components necessary to power the web application.
 */
@Override
public void onStartup(final ServletContext sc) throws ServletException {
    System.out.println("MyWebApplicationInitializer.onStartup()");

    // Create the 'root' Spring application context
    final AnnotationConfigWebApplicationContext root = new AnnotationConfigWebApplicationContext();
    root.scan("com.baeldung.spring.config");
    // root.getEnvironment().setDefaultProfiles("embedded");

    sc.addListener(new ContextLoaderListener(root));

    DispatcherServlet dv = new DispatcherServlet(root);
    
    final ServletRegistration.Dynamic appServlet = sc.addServlet("mvc",dv);
    appServlet.setLoadOnStartup(1);
    final Set<String> mappingConflicts = appServlet.addMapping("/");
    if (!mappingConflicts.isEmpty()) {
        throw new IllegalStateException("'appServlet' could not be mapped to '/' due " + "to an existing mapping. This is a known issue under Tomcat versions " + "<= 7.0.14; see https://issues.apache.org/bugzilla/show_bug.cgi?id=51278");
    }
}
 

public void startPeopleService() throws Exception {
    final File base = createBaseDirectory();
    log.info("Using base folder: " + base.getAbsolutePath());

    final Tomcat tomcat = new Tomcat();
    tomcat.setPort(8080);
    tomcat.setBaseDir(base.getAbsolutePath());

    Context context = tomcat.addContext("/", base.getAbsolutePath());
    Tomcat.addServlet(context, "CXFServlet", new CXFServlet());

    context.addServletMapping("/rest/*", "CXFServlet");
    context.addApplicationListener(ContextLoaderListener.class.getName());
    context.setLoader(new WebappLoader(Thread.currentThread().getContextClassLoader()));

    context.addParameter("contextClass", AnnotationConfigWebApplicationContext.class.getName());
    context.addParameter("contextConfigLocation", AppConfig.class.getName());

    tomcat.start();
    tomcat.getServer().await();
}
 

@Override
	public void onStartup(ServletContext servletContext) {
		final AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
		context.register(WebConfig.class);

		servletContext.addListener(new ContextLoaderListener(context));

		final ServletRegistration.Dynamic dispatcher = servletContext.addServlet("dispatcherServlet", new DispatcherServlet(context));
		dispatcher.setLoadOnStartup(1);

		dispatcher.addMapping("/");
		dispatcher.addMapping("*.html");
		dispatcher.addMapping("*.pdf");
		dispatcher.addMapping("*.json");

//		dispatcher.setInitParameter("contextConfigLocation", "com.spring4.application.configuration.ApplicationConfig");
//		dispatcher.setInitParameter("contextClass", "org.springframework.web.context.support.AnnotationConfigWebApplicationContext");
	}
 

@Override
public void onStartup(ServletContext servletContext) {
    servletContext.setInitParameter("applicationName", APPLICATION_NAME);
    System.setProperty("applicationName", APPLICATION_NAME);
    ProfileUtil.setActiveProfile(servletContext);
    AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
    rootContext.setDisplayName(APPLICATION_NAME);
    rootContext.register(ApplicationConfiguration.class);
    servletContext.addListener(new ContextLoaderListener(rootContext));

    // MVC Context
    AnnotationConfigWebApplicationContext mvcContext = new AnnotationConfigWebApplicationContext();
    mvcContext.register(WebMvcAppContext.class);

    ServletRegistration.Dynamic restServlet = servletContext.addServlet("restServlet", new DispatcherServlet(mvcContext));
    restServlet.setLoadOnStartup(1);
    restServlet.addMapping("/*");
}
 

default List<ServletContextListener> getListeners(ServerData data) {
    List<ServletContextListener> list = new ArrayList<>();
    if (data.getRootContext() instanceof WebApplicationContext) {
        list.add(new ContextLoaderListener(
                                           (WebApplicationContext) data.getRootContext()));
    }

    ListX<Plugin> modules = PluginLoader.INSTANCE.plugins.get();

    ListX<ServletContextListener> listeners = modules.stream()
                                                       .filter(module -> module.servletContextListeners() != null)
                                                       .concatMap(Plugin::servletContextListeners)
                                                       .map(fn -> fn.apply(data))
                                                       .to(ListX::fromIterable);

    return listeners.plusAll(list);
}
 

public static void main( final String[] args ) throws Exception {
	if( args.length != 1 ) {
		System.out.println( "Please provide port number" );
		return;
	}
	
	final int port = Integer.valueOf( args[ 0 ] );
	final Server server = new Server( port );
	 
	System.setProperty( AppConfig.SERVER_PORT, Integer.toString( port ) );
	System.setProperty( AppConfig.SERVER_HOST, "localhost" );
	
		// Register and map the dispatcher servlet
		final ServletHolder servletHolder = new ServletHolder( new CXFServlet() );
		final ServletContextHandler context = new ServletContextHandler(); 		
		context.setContextPath( "/" );
		context.addServlet( servletHolder, "/" + AppConfig.CONTEXT_PATH + "/*" ); 	
		context.addEventListener( new ContextLoaderListener() );
		
		context.setInitParameter( "contextClass", AnnotationConfigWebApplicationContext.class.getName() );
		context.setInitParameter( "contextConfigLocation", AppConfig.class.getName() );
		 		
       server.setHandler( context );
       server.start();
       server.join();	
}
 

/**
 * If context config locations have been specified neither against the application
 * context nor the context loader listener, then fall back to default values.
 */
@Test
public void abstractRefreshableWAC_fallsBackToConventionBasedNaming() {
	XmlWebApplicationContext ctx = new XmlWebApplicationContext();
	//ctx.setConfigLocation("programmatic.xml"); // nothing set programmatically
	ContextLoaderListener cll = new ContextLoaderListener(ctx);

	MockServletContext sc = new MockServletContext();
	// no init-param set
	//sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");

	try {
		cll.contextInitialized(new ServletContextEvent(sc));
		fail("expected exception");
	} catch (Throwable t) {
		// assert that an attempt was made to load the correct XML
		System.out.println(t.getMessage());
		assertTrue(t.getMessage().endsWith(
				"Could not open ServletContext resource [/WEB-INF/applicationContext.xml]"));
	}
}
 

@Override
public void initialize(AnnotationConfigWebApplicationContext applicationContext) {
	final AnnotationConfigWebApplicationContext rootCtx = new AnnotationConfigWebApplicationContext();
	rootCtx.register(TraceeInterceptorSpringConfig.class);
	final ServletContext servletContext = applicationContext.getServletContext();

	// Manage the lifecycle of the root application context
	servletContext.addListener(new ContextLoaderListener(rootCtx));

	// Create the dispatcher servlet's Spring application context
	AnnotationConfigWebApplicationContext dispatcherContext = new AnnotationConfigWebApplicationContext();
	dispatcherContext.register(TraceeInterceptorSpringConfig.class);

	// Register and map the dispatcher servlet
	ServletRegistration.Dynamic dispatcher = servletContext.addServlet("dispatcher", new DispatcherServlet(dispatcherContext));
	dispatcher.setLoadOnStartup(1);
	dispatcher.addMapping("/");

}
 

/**
 * Ensure that any custom default locations are still respected.
 */
@Test
public void customAbstractRefreshableWAC_fallsBackToInitParam() {
	XmlWebApplicationContext ctx = new XmlWebApplicationContext() {
		@Override
		protected String[] getDefaultConfigLocations() {
			return new String[] { "/WEB-INF/custom.xml" };
		}
	};
	//ctx.setConfigLocation("programmatic.xml"); // nothing set programmatically
	ContextLoaderListener cll = new ContextLoaderListener(ctx);

	MockServletContext sc = new MockServletContext();
	sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");

	try {
		cll.contextInitialized(new ServletContextEvent(sc));
		fail("expected exception");
	} catch (Throwable t) {
		// assert that an attempt was made to load the correct XML
		System.out.println(t.getMessage());
		assertTrue(t.getMessage().endsWith(
				"Could not open ServletContext resource [/from-init-param.xml]"));
	}
}
 

public static void main(final String[] args) throws Exception {
    final Server server = new Server(8686);

    final ServletHolder staticHolder = new ServletHolder(new DefaultServlet());
    final ServletContextHandler staticContext = new ServletContextHandler();
    staticContext.setContextPath("/static");
    staticContext.addServlet(staticHolder, "/*");
    staticContext.setResourceBase(StatsServer.class.getResource("/web-ui").toURI().toString());

     // Register and map the dispatcher servlet
    final ServletHolder cxfServletHolder = new ServletHolder(new CXFServlet());
    final ServletContextHandler context = new ServletContextHandler();
    context.setContextPath("/");
    context.addEventListener(new ContextLoaderListener());
    context.addServlet(cxfServletHolder, "/rest/*");
    context.setInitParameter("contextClass", AnnotationConfigWebApplicationContext.class.getName());
    context.setInitParameter("contextConfigLocation", StatsConfig.class.getName());

    HandlerList handlers = new HandlerList();
    handlers.addHandler(staticContext);
    handlers.addHandler(context);

    server.setHandler(handlers);
    server.start();
    server.join();
}
 

@Override
public void onStartup(ServletContext container) {
    // Create the 'root' Spring application context
    AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
    // Register application config
    rootContext.register(AppConfig.class);

    // Manage the lifecycle of the root application context
    container.addListener(new ContextLoaderListener(rootContext));

    // Register Encoding Filter
    addEncodingFilter(container);

    // Register Logging Filter
    addLoggingFilter(container);

    // Register and map the dispatcher servlet
    addServiceDispatcherServlet(container, rootContext);
}
 

@Override public void init(ServletContextHandler handler) {
  AnnotationConfigWebApplicationContext appContext =
    new AnnotationConfigWebApplicationContext() {
      // overriding this allows us to register dependencies of TracingHandlerInterceptor
      // without passing static state to a configuration class.
      @Override protected void loadBeanDefinitions(DefaultListableBeanFactory beanFactory) {
        beanFactory.registerSingleton("httpTracing", httpTracing);
        beanFactory.registerSingleton("tracingFilter", TracingFilter.create(httpTracing));
        super.loadBeanDefinitions(beanFactory);
      }
    };

  registerTestController(appContext);
  appContext.register(TracingConfig.class); // generic tracing setup
  DispatcherServlet servlet = new DispatcherServlet(appContext);
  servlet.setDispatchOptionsRequest(true);
  handler.addServlet(new ServletHolder(servlet), "/*");
  handler.addEventListener(new ContextLoaderListener(appContext));

  // add the trace filter, which lazy initializes a real tracing filter from the spring context
  addDelegatingTracingFilter(handler);
}
 

/**
 * If a contextConfigLocation init-param has been specified for the ContextLoaderListener,
 * then it should take precedence. This is generally not a recommended practice, but
 * when it does happen, the init-param should be considered more specific than the
 * programmatic configuration, given that it still quite possibly externalized in
 * hybrid web.xml + WebApplicationInitializer cases.
 */
@Test
public void abstractRefreshableWAC_respectsInitParam_overProgrammaticConfigLocations() {
	XmlWebApplicationContext ctx = new XmlWebApplicationContext();
	ctx.setConfigLocation("programmatic.xml");
	ContextLoaderListener cll = new ContextLoaderListener(ctx);

	MockServletContext sc = new MockServletContext();
	sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");

	try {
		cll.contextInitialized(new ServletContextEvent(sc));
		fail("expected exception");
	} catch (Throwable t) {
		// assert that an attempt was made to load the correct XML
		assertTrue(t.getMessage(), t.getMessage().endsWith(
				"Could not open ServletContext resource [/from-init-param.xml]"));
	}
}
 

@Override
public void onStartup(final ServletContext sc) throws ServletException {

    // Create the 'root' Spring application context
    final AnnotationConfigWebApplicationContext root = new AnnotationConfigWebApplicationContext();
    root.register(WebConfig.class);

    // Manages the lifecycle of the root application context
    sc.addListener(new ContextLoaderListener(root));

    // Handles requests into the application
    final ServletRegistration.Dynamic appServlet = sc.addServlet("mvc", new DispatcherServlet(new GenericWebApplicationContext()));
    appServlet.setLoadOnStartup(1);

    final Set<String> mappingConflicts = appServlet.addMapping("/");
    if (!mappingConflicts.isEmpty()) {
        throw new IllegalStateException("'appServlet' could not be mapped to '/' due " + "to an existing mapping. This is a known issue under Tomcat versions " + "<= 7.0.14; see https://issues.apache.org/bugzilla/show_bug.cgi?id=51278");
    }
}
 

/**
 * Initializes the context loader listener which bootstraps Spring and provides access to the application context.
 *
 * @param servletContext the servlet context.
 */
protected void initContextLoaderListener(ServletContext servletContext)
{
    // Add the context loader listener for the base (i.e. root) Spring configuration.
    // We register all our @Configuration annotated classes with the context so Spring will load all the @Bean's via these classes.
    // We also set the application context in an application context holder before "registering" so static @Bean's
    // (e.g. PropertySourcesPlaceholderConfigurer) will have access to it since they can't take advantage of autowiring or having a class be
    // ApplicationContextAware to get it.
    AnnotationConfigWebApplicationContext contextLoaderListenerContext = new AnnotationConfigWebApplicationContext();
    ApplicationContextHolder.setApplicationContext(contextLoaderListenerContext);
    contextLoaderListenerContext
        .register(CoreSpringModuleConfig.class, DaoSpringModuleConfig.class, DaoEnvSpringModuleConfig.class, ServiceSpringModuleConfig.class,
            ServiceEnvSpringModuleConfig.class, UiSpringModuleConfig.class, UiEnvSpringModuleConfig.class, RestSpringModuleConfig.class,
            AppSpringModuleConfig.class);
    servletContext.addListener(new ContextLoaderListener(contextLoaderListenerContext));
}
 

protected void createWebApplicationContext(ServletContext servletContext, Class clazz) {
        log.info("Creating Web Application Context started");

        List<Class> configClasses = new ArrayList<>();
        configClasses.add(clazz);

        // let's determine if this is a cloud based server
        Cloud cloud = getCloud();

        String activeProfiles = System.getProperty(SPRING_PROFILES_ACTIVE);

        if (StringUtils.isEmpty(activeProfiles)) {
            if (cloud == null) {
                // if no active profiles are specified, we default to these profiles
                activeProfiles = String.format("%s,%s,%s,%s,%s", MONGODB_LOCAL,REDIS_LOCAL,RABBIT_LOCAL,ELASTICSEARCH_LOCAL,LOCAL);
            } else {
                activeProfiles = String.format("%s,%s,%s,%s,%s", MONGODB_CLOUD,REDIS_CLOUD,RABBIT_CLOUD,ELASTICSEARCH_CLOUD,CLOUD);
            }
        }

        log.info("Active spring profiles: " + activeProfiles);

        // load local or cloud based configs
        if (cloud != null) {

            // list available service - fail servlet initializing if we are missing one that we require below
            printAvailableCloudServices(cloud.getServiceInfos());

        }

        AnnotationConfigWebApplicationContext appContext = new AnnotationConfigWebApplicationContext();
        appContext.register(configClasses.toArray(new Class[configClasses.size()]));

        servletContext.addListener(new ContextLoaderListener(appContext));
        servletContext.addListener(new RequestContextListener());

//        log.info("Creating Web Application Context completed");
    }