Central dispatcher for HTTP request handlers/controllers. Dispatches to
registered handlers for processing a request, providing convenient mapping
DispatcherHandler discovers the delegate components it needs from
Spring configuration. It detects the following in the application context:
DispatcherHandler is also designed to be a Spring bean itself and
ApplicationContextAware for access to the context it runs
DispatcherHandler is declared with the bean name "webHandler"
it is discovered by
creates a processing chain together with
WebExceptionHandler and others.
DispatcherHandler bean declaration is included in