Mailing-List: contact users-help@camel.apache.org; run by ezmlm
Precedence: bulk
Reply-To: users@camel.apache.org
Received-SPF: pass (nike.apache.org: domain of claus.ibsen@gmail.com
 designates 209.85.213.173 as permitted sender)
MIME-Version: 1.0
In-Reply-To: <2326BA57-1A8B-48B9-ABCF-15BC0CAAA60E@machineshop.io>
References: <F6651A53-5FA1-4315-8549-E5DA94F1B348@machineshop.io>
 <2326BA57-1A8B-48B9-ABCF-15BC0CAAA60E@machineshop.io>
From: Claus Ibsen <claus.ibsen@gmail.com>
Date: Wed, 18 Feb 2015 08:05:00 +0100
Message-ID: 
 <CAGB5yNke1SEpvHxB4tGWYgD_etQQOH70tk9mR-v58YH8Q0238g@mail.gmail.com>
Subject: Re: camel-netty4-http access to response
To: "users@camel.apache.org" <users@camel.apache.org>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

Hi

Thanks for sharing your solution.

Its a common header in Camel that all the http components (that has a
consumer to act as the HTTP server) uses for allowing to control the
HTTP status code.

We love contributions and ppl is certainly welcome to help any way,
also with docs.
http://camel.apache.org/contributing.html

On Wed, Feb 18, 2015 at 3:46 AM, Mark Mindenhall
<mark.mindenhall@machineshop.io> wrote:
> Figured it out; just replying to my own message in case someone else runs=
 into the same problem (or in case I forget later ;)  ).
>
> I dug around in the code, and discovered that the HTTP response code can =
be set via the CamelHttpResponseCode message header (defined as a constant:=
 Exchange.HTTP_RESPONSE_CODE).  There=E2=80=99s no mention of that header i=
n the camel-netty-http or camel-netty4-http documentation (I opened https:/=
/issues.apache.org/jira/browse/CAMEL-8370 to address that).  So the followi=
ng code works to set the response code and message body:
>
>       exchange.getOut().setBody(myResponseBody);
>       exchange.getOut().setHeader(Exchange.HTTP_RESPONSE_CODE, 401);
>
>
> On Feb 17, 2015, at 11:34 AM, Mark Mindenhall <mark.mindenhall@machinesho=
p.io> wrote:
>
>> I=E2=80=99m using the camel-netty4-http (latest 2.14.2-SNAPSHOT) compone=
nt to create an endpoint that receives an HTTP POST from a device, translat=
es the message from binary to JSON, then sends it along to a kafka topic fo=
r further processing.  When there are errors in validating or translating t=
he incoming message, I need to be able to return a HTTP response code and r=
esponse body.
>>
>> The camel-netty4-http documentation has an =E2=80=9CAccess to Netty type=
s=E2=80=9D section, which says that I should be able to do the following to=
 access the instance of io.netty.handler.codec.http.HttpResponse:
>>
>>     HttpResponse response =3D exchange.getIn(NettyHttpMessage.class).get=
HttpResponse();
>>
>> Regardless of where I access the exchange within the route, getHttpRespo=
nse() is always returning null.  On the "happy path=E2=80=9D I can return 2=
00 by calling exchange.getOut().setBody(myResponse), but I have been unable=
 to figure out how to return another response code.
>>
>> Is this a bug?  Or is there another way to accomplish what I=E2=80=99m t=
rying to do?
>>
>> Thanks,
>> Mark
>>
>


--=20
Claus Ibsen
-----------------
Red Hat, Inc.
Email: cibsen@redhat.com
Twitter: davsclaus
Blog: http://davsclaus.com
Author of Camel in Action: http://www.manning.com/ibsen
hawtio: http://hawt.io/
fabric8: http://fabric8.io/