Examples of org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport$EmptyHandlerMapping

• org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport
  This is the main class providing the configuration behind the MVC Java config. It is typically imported by adding {@link EnableWebMvc @EnableWebMvc} to an application {@link Configuration @Configuration} class. An alternative more advanced option is to extend directly from this class and override methods as necessary remembering to add {@link Configuration @Configuration} to the subclass and {@link Bean @Bean} to overridden {@link Bean @Bean} methods.For more details see the Javadoc of {@link EnableWebMvc @EnableWebMvc}.

  This class registers the following {@link HandlerMapping}s:

  • {@link RequestMappingHandlerMapping} ordered at 0 for mapping requests to annotated controller methods.
  • {@link HandlerMapping} ordered at 1 to map URL paths directly to view names.
  • {@link BeanNameUrlHandlerMapping} ordered at 2 to map URL paths to controller bean names.
  • {@link HandlerMapping} ordered at {@code Integer.MAX_VALUE-1} to serve static resource requests.
  • {@link HandlerMapping} ordered at {@code Integer.MAX_VALUE} to forward requests to the default servlet.

  Registers these {@link HandlerAdapter}s:

  • {@link RequestMappingHandlerAdapter} for processing requests with annotated controller methods.
  • {@link HttpRequestHandlerAdapter} for processing requests with {@link HttpRequestHandler}s.
  • {@link SimpleControllerHandlerAdapter} for processing requests with interface-based {@link Controller}s.

  Registers a {@link HandlerExceptionResolverComposite} with this chain ofexception resolvers:

  • {@link ExceptionHandlerExceptionResolver} for handling exceptions through @ {@link ExceptionHandler} methods.
  • {@link ResponseStatusExceptionResolver} for exceptions annotated with @ {@link ResponseStatus}.
  • {@link DefaultHandlerExceptionResolver} for resolving known Spring exception types

  Both the {@link RequestMappingHandlerAdapter} and the {@link ExceptionHandlerExceptionResolver} are configured with default instances of the following kind, unless custom instances are provided:

  • A {@link DefaultFormattingConversionService}
  • A {@link LocalValidatorFactoryBean} if a JSR-303 implementation is available on the classpath
  • A range of {@link HttpMessageConverter}s depending on the 3rd party libraries available on the classpath.

  @see EnableWebMvc @see WebMvcConfigurer @see WebMvcConfigurerAdapter @author Rossen Stoyanchev @since 3.1

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