Update @RestController javadoc

Issue: SPR-13945

Author: rstoyanchev

spring-web/src/main/java/org/springframework/web/bind/annotation/CrossOrigin.java

@@ -29,10 +29,10 @@
  *
  * <p>By default, all origins and headers are permitted.
  *
- * <p><b>NOTE:</b> {@code @CrossOrigin} will only be processed if an appropriate
+ * <p><b>NOTE:</b> {@code @CrossOrigin} is processed if an appropriate
  * {@code HandlerMapping}-{@code HandlerAdapter} pair is configured such as the
- * {@code RequestMappingHandlerMapping}-{@code RequestMappingHandlerAdapter} pair
- * which are the default in the MVC Java config and the MVC namespace.
+ * {@code RequestMappingHandlerMapping}-{@code RequestMappingHandlerAdapter}
+ * pair which are the default in the MVC Java config and the MVC namespace.
  * In particular {@code @CrossOrigin} is not supported with the
  * {@code DefaultAnnotationHandlerMapping}-{@code AnnotationMethodHandlerAdapter}
  * pair both of which are also deprecated.

spring-web/src/main/java/org/springframework/web/bind/annotation/RestController.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,13 +25,21 @@
 import org.springframework.stereotype.Controller;
 
 /**
- * A convenience annotation that is itself annotated with {@link Controller @Controller}
- * and {@link ResponseBody @ResponseBody}.
+ * A convenience annotation that is itself annotated with
+ * {@link Controller @Controller} and {@link ResponseBody @ResponseBody}.
  * <p>
  * Types that carry this annotation are treated as controllers where
  * {@link RequestMapping @RequestMapping} methods assume
  * {@link ResponseBody @ResponseBody} semantics by default.
  *
+ * <p><b>NOTE:</b> {@code @RestController} is processed if an appropriate
+ * {@code HandlerMapping}-{@code HandlerAdapter} pair is configured such as the
+ * {@code RequestMappingHandlerMapping}-{@code RequestMappingHandlerAdapter}
+ * pair which are the default in the MVC Java config and the MVC namespace.
+ * In particular {@code @RestController} is not supported with the
+ * {@code DefaultAnnotationHandlerMapping}-{@code AnnotationMethodHandlerAdapter}
+ * pair both of which are also deprecated.
+ *
  * @author Rossen Stoyanchev
  * @author Sam Brannen
  * @since 4.0

spring-web/src/main/java/org/springframework/web/bind/annotation/RestControllerAdvice.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -34,6 +34,14 @@
  * {@link ExceptionHandler @ExceptionHandler} methods assume
  * {@link ResponseBody @ResponseBody} semantics by default.
  *
+ * <p><b>NOTE:</b> {@code @RestControllerAdvice} is processed if an appropriate
+ * {@code HandlerMapping}-{@code HandlerAdapter} pair is configured such as the
+ * {@code RequestMappingHandlerMapping}-{@code RequestMappingHandlerAdapter} pair
+ * which are the default in the MVC Java config and the MVC namespace.
+ * In particular {@code @RestControllerAdvice} is not supported with the
+ * {@code DefaultAnnotationHandlerMapping}-{@code AnnotationMethodHandlerAdapter}
+ * pair both of which are also deprecated.
+ *
  * @author Rossen Stoyanchev
  * @since 4.3
  */