I don't quite follow what are you saying about performInvocation,
there's a simple test, with the processor coded as follows:
https://github.com/apache/camel/blob/master/components/camel-cxf/src/test/java/org/apache/camel/component/cxf/jaxrs/CxfRsConsumerTest.java#L276
Are you trying to use it with CXFRS using an interface/no-op imlpl ? May
be I need to tighten the code to make sure 'performInvocation' is
ignored in such cases...
Sergey
On 10/02/16 21:51, camel_case wrote:
performInvocation allows you to use the resource file to match http method
type (GET POST PUT DELETE) to a method in the resource file. However, it
wipes out the Exchange headers and body, and the return value is set to the
Exchange.In body, except when null is returned. There doesn't seem to be a
way to access the exchange, In or Out, headers or body, get or set, inside
the resource method. One does have access to @PathParam or @QueryParam that
appear in the method signature params which could then be set in the body,
are returned to the route, passed in the Exchange. The method can call a
service and return values to the calling route in the inBody.
Alternatively, one can direct the cxfrs routes according to http method by
using recipient list as in
.recipientList(simple("direct:${header.CamelHttpMethod}"));
In either case, one could then use the same target url ( as in
http://mycompany.com/callrestservice?myparam=12 and the route finds the
service restfully according to the http method.
With the recipientList trick, the routes are set up with endpoints start
direct:GET direct:POST direct:PUT direct:DELETE
With peformInvocation, each resource method can call an appropriate service.
Furthermore, two identical url requests distinguished only by use of
pathParam vs. queryParam or even the name of the param, can be routed, with
a further refinement of recipientList trick or if statement in resource
method, or .choice( in route.
This routing style is actually built in to the rest dsl as in rest(url).get
etc.
It is difficult to find debate over cxfrs vs rest dsl (avail only since Fall
2015)
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Sergey Beryozkin
Talend Community Coders
http://coders.talend.com/
