Examples of org.springframework.web.context.support.AnnotationConfigWebApplicationContext

Package org.springframework.web.context.support

Examples of org.springframework.web.context.support.AnnotationConfigWebApplicationContext

org.springframework.web.context.support.AnnotationConfigWebApplicationContext
{@link org.springframework.web.context.WebApplicationContext WebApplicationContext}implementation which accepts annotated classes as input - in particular {@link org.springframework.context.annotation.Configuration @Configuration}-annotated classes, but also plain {@link org.springframework.stereotype.Component @Component}classes and JSR-330 compliant classes using {@code javax.inject} annotations. Allowsfor registering classes one by one (specifying class names as config location) as well as for classpath scanning (specifying base packages as config location).
This is essentially the equivalent of {@link org.springframework.context.annotation.AnnotationConfigApplicationContext AnnotationConfigApplicationContext} for a web environment.
To make use of this application context, the {@linkplain ContextLoader#CONTEXT_CLASS_PARAM "contextClass"} context-param forContextLoader and/or "contextClass" init-param for FrameworkServlet must be set to the fully-qualified name of this class.
As of Spring 3.1, this class may also be directly instantiated and injected into Spring's {@code DispatcherServlet} or {@code ContextLoaderListener} when using thenew {@link org.springframework.web.WebApplicationInitializer WebApplicationInitializer}code-based alternative to {@code web.xml}. See its Javadoc for details and usage examples.
Unlike {@link XmlWebApplicationContext}, no default configuration class locations are assumed. Rather, it is a requirement to set the {@linkplain ContextLoader#CONFIG_LOCATION_PARAM "contextConfigLocation"}context-param for {@link ContextLoader} and/or "contextConfigLocation" init-param forFrameworkServlet. The param-value may contain both fully-qualified class names and base packages to scan for components. See {@link #loadBeanDefinitions}for exact details on how these locations are processed.
As an alternative to setting the "contextConfigLocation" parameter, users may implement an {@link org.springframework.context.ApplicationContextInitializer ApplicationContextInitializer} and set the{@linkplain ContextLoader#CONTEXT_INITIALIZER_CLASSES_PARAM "contextInitializerClasses"}context-param / init-param. In such cases, users should favor the {@link #refresh()}and {@link #scan(String)} methods over the {@link #setConfigLocation(String)}method, which is primarily for use by {@code ContextLoader}
Note: In case of multiple {@code @Configuration} classes, later {@code @Bean}definitions will override ones defined in earlier loaded files. This can be leveraged to deliberately override certain bean definitions via an extra Configuration class. @author Chris Beams @author Juergen Hoeller @since 3.0 @see org.springframework.context.annotation.AnnotationConfigApplicationContext

  public void contextInitialized(ServletContextEvent sce) {
    ServletContext servletContext = sce.getServletContext();


    log.debug("Configuring Spring root application context");
    
    AnnotationConfigWebApplicationContext rootContext = null;
    
    if (context == null) {
        rootContext = new AnnotationConfigWebApplicationContext();
        rootContext.register(ApplicationConfiguration.class);
        rootContext.refresh();
    } else {
        rootContext = context;
    }


    servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, rootContext);

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  /**
   * Initializes Spring and Spring MVC.
   */
  private ServletRegistration.Dynamic initSpring(ServletContext servletContext, AnnotationConfigWebApplicationContext rootContext) {
    log.debug("Configuring Spring Web application context");
    AnnotationConfigWebApplicationContext dispatcherServletConfiguration = new AnnotationConfigWebApplicationContext();
    dispatcherServletConfiguration.setParent(rootContext);
    dispatcherServletConfiguration.register(DispatcherServletConfiguration.class);


    log.debug("Registering Spring MVC Servlet");
    ServletRegistration.Dynamic dispatcherServlet = servletContext.addServlet("dispatcher", new DispatcherServlet(dispatcherServletConfiguration));
    dispatcherServlet.addMapping("/service/*");
    dispatcherServlet.setLoadOnStartup(1);

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  @Override
  public void contextDestroyed(ServletContextEvent sce) {
    log.info("Destroying Web application");
    WebApplicationContext ac = WebApplicationContextUtils.getRequiredWebApplicationContext(sce.getServletContext());
    AnnotationConfigWebApplicationContext gwac = (AnnotationConfigWebApplicationContext) ac;
    gwac.close();
    log.debug("Web application destroyed");
  }

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public class SecUIInitializer implements WebApplicationInitializer {


    @Override
    public void onStartup(ServletContext servletContext) throws ServletException {
        AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
        rootContext.register(WebConfig.class);


        ServletRegistration.Dynamic dispatcher = servletContext.addServlet("dispatcher", new DispatcherServlet(rootContext));
        dispatcher.setLoadOnStartup(1);
        dispatcher.addMapping("/*");
        servletContext.addListener(new ContextLoaderListener(rootContext));

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    ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
    context.setContextPath("/");
    server.setHandler(context);


    AnnotationConfigWebApplicationContext webApplicationContext = new AnnotationConfigWebApplicationContext();
    webApplicationContext.register(SpringConfiguration.class);
    DispatcherServlet dispatcherServlet = new DispatcherServlet(webApplicationContext);
    context.addServlet(new ServletHolder(dispatcherServlet), "/*");


    server.start();
    server.join();

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 */
public class SpringInitializer implements WebApplicationInitializer {


  @Override
  public void onStartup(ServletContext servletContext) throws ServletException {
    AnnotationConfigWebApplicationContext webApplicationContext = new AnnotationConfigWebApplicationContext();
    webApplicationContext.register(SpringConfiguration.class);
    servletContext.addServlet("dispatcherServlet",
        new DispatcherServlet(webApplicationContext)).addMapping("/*");
  }

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    public void contextInitialized(ServletContextEvent sce) {
        ServletContext servletContext = sce.getServletContext();
        log.info("Web application configuration");


        log.debug("Configuring Spring root application context");
        AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
        rootContext.register(ApplicationConfiguration.class);
        rootContext.refresh();


        servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, rootContext);


        EnumSet<DispatcherType> disps = EnumSet.of(DispatcherType.REQUEST, DispatcherType.FORWARD, DispatcherType.ASYNC);


        log.debug("Configuring Spring Web application context");
        AnnotationConfigWebApplicationContext dispatcherServletConfig = new AnnotationConfigWebApplicationContext();
        dispatcherServletConfig.setParent(rootContext);
        dispatcherServletConfig.register(DispatcherServletConfig.class);


        log.debug("Registering Spring MVC Servlet");
        ServletRegistration.Dynamic dispatcherServlet = servletContext.addServlet("dispatcher", new DispatcherServlet(
                dispatcherServletConfig));
        dispatcherServlet.addMapping("/tatami/*");

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    @Override
    public void contextDestroyed(ServletContextEvent sce) {
        log.info("Destroying Web application");
        WebApplicationContext ac = WebApplicationContextUtils.getRequiredWebApplicationContext(sce.getServletContext());
        AnnotationConfigWebApplicationContext gwac = (AnnotationConfigWebApplicationContext) ac;
        gwac.close();
        log.debug("Web application destroyed");
    }

View Full Code Here


  private AnnotationConfigWebApplicationContext context;


  @Test
  public void registrationProperties() throws Exception {
    this.context = new AnnotationConfigWebApplicationContext();
    this.context.register(ServerPropertiesAutoConfiguration.class,
        DispatcherServletAutoConfiguration.class);
    this.context.setServletContext(new MockServletContext());
    this.context.refresh();
    assertNotNull(this.context.getBean(DispatcherServlet.class));

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    assertEquals("[/]", registration.getUrlMappings().toString());
  }


  @Test
  public void registrationOverride() throws Exception {
    this.context = new AnnotationConfigWebApplicationContext();
    this.context.register(CustomDispatcherRegistration.class,
        ServerPropertiesAutoConfiguration.class,
        DispatcherServletAutoConfiguration.class);
    this.context.setServletContext(new MockServletContext());
    this.context.refresh();

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