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Add mention of ResponseBodyAdvice

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Rossen Stoyanchev 2014-09-03 00:02:10 -04:00
parent 3a8f30613d
commit 51a550b27b
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src/asciidoc/index.adoc
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@ -1068,6 +1068,7 @@ method has been added.
methods just after the controller method returns and before the response is written. methods just after the controller method returns and before the response is written.
To take advantage declare an `@ControllerAdvice` bean that implements `ResponseBodyAdvice`. To take advantage declare an `@ControllerAdvice` bean that implements `ResponseBodyAdvice`.
The built-in support for `@JsonView` and JSONP take advantage of this. The built-in support for `@JsonView` and JSONP take advantage of this.
See <<mvc-handlermapping-interceptor>>.
* There are three new `HttpMessageConverter` options: * There are three new `HttpMessageConverter` options:
** Gson -- lighter footprint than Jackson; has already been in use in Spring Android. ** Gson -- lighter footprint than Jackson; has already been in use in Spring Android.
** Google Protocol Buffers -- efficient and effective as an inter-service communication ** Google Protocol Buffers -- efficient and effective as an inter-service communication
@ -32094,6 +32095,17 @@ interceptor applies, you can use the MVC namespace or the MVC Java config, or de
bean instances of type `MappedInterceptor` to do that. See <<mvc-config-enable>>. bean instances of type `MappedInterceptor` to do that. See <<mvc-config-enable>>.
==== ====
Note that the `postHandle` method of `HandlerInterceptor` is not always ideally suited for
use with `@ResponseBody` and `ResponseEntity` methods. In such cases an `HttpMessageConverter`
writes to and commits the response before `postHandle` is called which makes it impossible
to change the response, for example to add a header. Instead an application can implement
`ResponseBodyAdvice` and either declare it as an `@ControllerAdvice` bean or configure it
directly on `RequestMappingHandlerAdapter`.