public void visitContainerInitializer(
WebAppContext context, ContainerInitializer containerInitializer) {
if (containerInitializer == null) return;
// add the ContainerInitializer to the list of container initializers
List<ContainerInitializer> containerInitializers =
(List<ContainerInitializer>)
context.getAttribute(AnnotationConfiguration.CONTAINER_INITIALIZERS);
if (containerInitializers == null) {
containerInitializers = new ArrayList<ContainerInitializer>();
context.setAttribute(AnnotationConfiguration.CONTAINER_INITIALIZERS, containerInitializers);
}
containerInitializers.add(containerInitializer);
// Ensure a bean is set up on the context that will invoke the ContainerInitializers as the
// context starts
ServletContainerInitializersStarter starter =
(ServletContainerInitializersStarter)
context.getAttribute(AnnotationConfiguration.CONTAINER_INITIALIZER_STARTER);
if (starter == null) {
starter = new ServletContainerInitializersStarter(context);
context.setAttribute(AnnotationConfiguration.CONTAINER_INITIALIZER_STARTER, starter);
context.addBean(starter, true);
}
}
/**
* @param context
* @param scis
* @throws Exception
*/
public void createServletContainerInitializerAnnotationHandlers(
WebAppContext context, List<ServletContainerInitializer> scis) throws Exception {
if (scis == null || scis.isEmpty()) return; // nothing to do
List<ContainerInitializer> initializers = new ArrayList<ContainerInitializer>();
context.setAttribute(CONTAINER_INITIALIZERS, initializers);
for (ServletContainerInitializer service : scis) {
HandlesTypes annotation = service.getClass().getAnnotation(HandlesTypes.class);
ContainerInitializer initializer = null;
if (annotation != null) {
// There is a HandlesTypes annotation on the on the ServletContainerInitializer
Class<?>[] classes = annotation.value();
if (classes != null) {
initializer = new ContainerInitializer(service, classes);
// If we haven't already done so, we need to register a handler that will
// process the whole class hierarchy to satisfy the ServletContainerInitializer
if (context.getAttribute(CLASS_INHERITANCE_MAP) == null) {
// MultiMap<String> map = new MultiMap<>();
ConcurrentHashMap<String, ConcurrentHashSet<String>> map = new ClassInheritanceMap();
context.setAttribute(CLASS_INHERITANCE_MAP, map);
_classInheritanceHandler = new ClassInheritanceHandler(map);
}
for (Class<?> c : classes) {
// The value of one of the HandlesTypes classes is actually an Annotation itself so
// register a handler for it
if (c.isAnnotation()) {
if (LOG.isDebugEnabled())
LOG.debug("Registering annotation handler for " + c.getName());
_containerInitializerAnnotationHandlers.add(
new ContainerInitializerAnnotationHandler(initializer, c));
}
}
} else {
initializer = new ContainerInitializer(service, null);
if (LOG.isDebugEnabled())
LOG.debug("No classes in HandlesTypes on initializer " + service.getClass());
}
} else {
initializer = new ContainerInitializer(service, null);
if (LOG.isDebugEnabled()) LOG.debug("No annotation on initializer " + service.getClass());
}
initializers.add(initializer);
}
// add a bean to the context which will call the servletcontainerinitializers when appropriate
ServletContainerInitializersStarter starter =
(ServletContainerInitializersStarter) context.getAttribute(CONTAINER_INITIALIZER_STARTER);
if (starter != null)
throw new IllegalStateException("ServletContainerInitializersStarter already exists");
starter = new ServletContainerInitializersStarter(context);
context.setAttribute(CONTAINER_INITIALIZER_STARTER, starter);
context.addBean(starter, true);
}
static WebAppContext newWebAppContext() throws MalformedURLException {
final WebAppContext handler = new WebAppContext();
handler.setContextPath("/");
handler.setBaseResource(Resource.newClassPathResource("/tomcat_service"));
handler.setClassLoader(
new URLClassLoader(
new URL[] {
Resource.newClassPathResource("/tomcat_service/WEB-INF/lib/hello.jar")
.getURI()
.toURL()
},
JettyService.class.getClassLoader()));
handler.addBean(new ServletContainerInitializersStarter(handler), true);
handler.setAttribute(
"org.eclipse.jetty.containerInitializers",
Collections.singletonList(new ContainerInitializer(new JettyJasperInitializer(), null)));
return handler;
}