Yes - this is possible. Look at "Request-Reply” in the JMS docs (
http://camel.apache.org/jms.html <http://camel.apache.org/jms.html> ).
> On Nov 28, 2016, at 12:51 AM, Frank Wein <frank.w...@fau.de> wrote:
>
> Hi all,
> some additional info/Java code: What I have currently working is some code
> without the ActiveMQ part:
>
> restConfiguration().component("jetty").host("0.0.0.0").port(8080)
> .dataFormatProperty("prettyPrint", "true")
> .bindingMode(RestBindingMode.auto);
>
> rest("/API/").get("/object/{ID}/").to("direct:objectGet");
>
> from("direct:objectGet")
> .setExchangePattern(ExchangePattern.InOut)
> .setHeader(Exchange.HTTP_PATH, simple(
> "/Webservice/RESTService/Object/${header.ID}"))
> .setHeader(Exchange.HTTP_METHOD, simple("GET"))
> .to("jetty://http://localhost:8888?bridgeEndpoint=true";);
>
> I send my REST request to localhost:8080/object/[ID]/ and get back the reply
> from the other webservice running on localhost:8888.
>
> Now, I want to include an ActiveMQ queue here. Basically the ActiveMQ queue
> should be between the two routes (from/to("direct:objectGet")). The first
> route should send the message to the queue, the second route should fetch it,
> get the response from the other web service and send the response back via
> the queue to the first route. This one should then reply to the incoming REST
> request. Is this possible, if yes, how? My attempts at this did not really
> work.
>
> Regards
> Frank
>
>
> Frank Wein wrote:
>> Hi all,
>> I have a problem setting up the correct Camel routes in Java for a problem
>> I'm having. I'm still quite new to Camel and ActiveMQ, so please be patient
>> with me :)
>>
>> What I want to accomplish is the following:
>> * Provide a REST (HTTP GET) endpoint with Camel (Jetty) and send the request
>> (message) to an ActiveMQ queue (the ActiveMQ queue is a requirement,
>> probably would be easier without)
>> * Consume the message (with a second route?), take some of the parameters
>> from the HTTP URL (so message properties) and send a HTTP/REST request to
>> another REST service.
>> * Take the response from the other REST service and send it back to the REST
>> client (from the beginning)
>
>
> --
> Frank Wein
> Forschungsgruppe Netz
> Friedrich-Alexander-Universitaet Erlangen-Nuernberg
> Regionales Rechenzentrum Erlangen (RRZE)
> Martensstrasse 1, 91058 Erlangen, Germany
> Tel. +49 9131/85-29983, Fax +49 9131/302941
> frank.w...@fau.de
> www.rrze.fau.de
>
>
