Hi
I am trying to convert json data into one for our object types required by a
webservice.
I have not started with the json conversion yet, I just wanted the framework
in place and ensure that the provider class gets called. But it isn't, so
the service just has the parameter 'queryNodeData' set to null.
I can't see what I am doing wrong.
service snippet:
@GET
@Path("search")
@ConsumeMime("application/json")
@ProduceMime("application/json")
public NodeDataMessage search(@QueryParam("querynodedata") final
NodeData queryNodeData) {
}
MessageBodyReades are not invoked for parameters annotated with @QueryParam or
indeed with other
JAXRS annotations.
suppose you GET request looks like this :
/search?q1=a&q2=b
If you do not want to do
public NodeDataMessage search(@QueryParam("q1") String q1, @QueryParam("q2") String q2)
then you can rely on a CXF extension (note "" as a queryparam value) :
public NodeDataMessage search((@QueryParam("") final NodeData queryNodeData)
with NodeData having setQ1 and setQ2 methods
Another aproacj is to have UriInfo injected as a context value and access query
parameters from it
Cheers, Sergey
beans.xml snippet:
<jaxrs:server id="documentServiceRest" address="/rest">
<jaxrs:serviceBeans>
<ref bean="documentServicesFacadeBean" />
</jaxrs:serviceBeans>
<jaxrs:providers>
<ref bean="nodeDataProviderBean" />
</jaxrs:providers>
</jaxrs:server>
<bean id="nodeDataProviderBean" class="foo.bar.NodeDataProvider" />
provider class:
package foo.bar
import ...
public class NodeDataProvider implements MessageBodyReader<NodeData> {
public boolean isReadable(Class<?> type, Type genericType, Annotation[]
annotations) {
return NodeData.class.isAssignableFrom(type);
}
public NodeData readFrom(Class<NodeData> arg0, Type arg1, Annotation[]
arg2, MediaType arg3,
MultivaluedMap<String, String> arg4, InputStream arg5) throws
IOException,
WebApplicationException {
return new NodeData();
}
}
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