6.11 Accepted Request Content-Type

A Micronaut’s controller action consumes application/json by default. Consuming other content types is supported with the @Consumes annotation, or the consumes member of any HTTP method annotation.

import io.micronaut.context.annotation.Requires;
import io.micronaut.http.HttpResponse;
import io.micronaut.http.MediaType;
import io.micronaut.http.annotation.Consumes;
import io.micronaut.http.annotation.Controller;
import io.micronaut.http.annotation.Post;
@Controller("/consumes")
public class ConsumesController {
    @Post (1)
    public HttpResponse index() {
        return HttpResponse.ok();
    }
    @Consumes({MediaType.APPLICATION_FORM_URLENCODED, MediaType.APPLICATION_JSON}) (2)
    @Post("/multiple")
    public HttpResponse multipleConsumes() {
        return HttpResponse.ok();
    }
    @Post(value = "/member", consumes = MediaType.TEXT_PLAIN) (3)
    public HttpResponse consumesMember() {
        return HttpResponse.ok();
    }
}

import io.micronaut.context.annotation.Requires
import io.micronaut.http.HttpResponse
import io.micronaut.http.MediaType
import io.micronaut.http.annotation.Consumes
import io.micronaut.http.annotation.Controller
import io.micronaut.http.annotation.Post
@Controller("/consumes")
class ConsumesController {
    @Post (1)
    HttpResponse index() {
        HttpResponse.ok()
    }
    @Consumes([MediaType.APPLICATION_FORM_URLENCODED, MediaType.APPLICATION_JSON]) (2)
    @Post("/multiple")
    HttpResponse multipleConsumes() {
        HttpResponse.ok()
    }
    @Post(value = "/member", consumes = MediaType.TEXT_PLAIN) (3)
    HttpResponse consumesMember() {
        HttpResponse.ok()
    }
}

import io.micronaut.context.annotation.Requires
import io.micronaut.http.HttpResponse
import io.micronaut.http.MediaType
import io.micronaut.http.annotation.Consumes
import io.micronaut.http.annotation.Controller
import io.micronaut.http.annotation.Post
@Controller("/consumes")
class ConsumesController {
    @Post (1)
    fun index(): HttpResponse<*> {
        return HttpResponse.ok<Any>()
    }
    @Consumes(MediaType.APPLICATION_FORM_URLENCODED, MediaType.APPLICATION_JSON) (2)
    @Post("/multiple")
    fun multipleConsumes(): HttpResponse<*> {
        return HttpResponse.ok<Any>()
    }
    @Post(value = "/member", consumes = [MediaType.TEXT_PLAIN]) (3)
    fun consumesMember(): HttpResponse<*> {
        return HttpResponse.ok<Any>()
    }
}

Customizing Processed Content Types

Normally the JSON parsing only happens if the content type is application/json. The other MediaTypeCodec classes behave in a similar manner that they have pre-defined content types they can process. To extend the list of media types that a given codec should process, you can provide configuration that will be stored in CodecConfiguration:

micronaut:
    codec:
        json:
            additionalTypes:
              - text/javascript
              - ...

Currently supported configuration prefixes are json, json-stream, text, and text-stream.