protected WebApplicationContext createRootApplicationContext(ServletContext servletContext) {
SpringApplicationBuilder builder = new SpringApplicationBuilder();
builder.main(getClass());
ApplicationContext parent = getExistingRootWebApplicationContext(servletContext);
if (parent != null) {
this.logger.info("Root context already created (using as parent).");
servletContext.setAttribute(
WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, null);
builder.initializers(new ParentContextApplicationContextInitializer(parent));
}
builder.initializers(new ServletContextApplicationContextInitializer(servletContext));
builder.contextClass(AnnotationConfigEmbeddedWebApplicationContext.class);
builder = configure(builder);
SpringApplication application = builder.build();
if (application.getSources().isEmpty()
&& AnnotationUtils.findAnnotation(getClass(), Configuration.class) != null) {
application.getSources().add(getClass());
}
Assert.state(
application.getSources().size() > 0,
"No SpringApplication sources have been defined. Either override the "
+ "configure method or add an @Configuration annotation");
// Ensure error pages are registered
application.getSources().add(ErrorPageFilter.class);
return run(application);
}
protected WebApplicationContext createRootApplicationContext(ServletContext servletContext) {
ApplicationContext parent = null;
Object object =
servletContext.getAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);
if (object instanceof ApplicationContext) {
this.logger.info("Root context already created (using as parent).");
parent = (ApplicationContext) object;
servletContext.setAttribute(
WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, null);
}
SpringApplicationBuilder application =
new SpringApplicationBuilder().sources(getConfigClasses());
application.initializers(
new ParentContextApplicationContextInitializer(parent),
new ServletContextApplicationContextInitializer(servletContext));
application.contextClass(AnnotationConfigEmbeddedWebApplicationContext.class);
return (WebApplicationContext) application.run();
}
