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