Hi Dhanush,
If you get the list (containing more than 1 item), how the JSON
representation looks like?
Would you be able to send a reproducible test case? I mean a whole
simple app?
Thanks,
~Jakub
On 11/12/2010 01:44 PM, Dhanush Gopinath wrote:
>
> Hi,
>
> I have a REST service which has a get method and post method. Get
> method returns a JAXBElement< of some object> which contains an Array
> of other Objects. Where as POST method receives the same JAXBElement<
> of some object> with an Array of other Objects. I am using Jettison
> mapping as the JSONConfiguration.
>
> The GET operation works fine and I get the correct JSON values when I
> accept JSON. But when posting the same JSON back using the POST
> method, it doesn't populate the Array of Objects inside the JAXBElement.
>
> The POST works fine when the array size is 1; if there is more than
> one element then the JAXBElement always has null as the Array value.
>
> Any idea why this is happening.
>
> Here are my REST API's
>
> @GET
>
> @Path("getVehicles")
>
> @Produces({MediaType./APPLICATION_JSON/, MediaType./APPLICATION_XML/})
>
> *public*JAXBElement<VehicleObjList> getVehicles()
>
> {
>
> CarType car = *new*CarType();
>
> car.setMake("Punto");
>
> car.setId(1);
>
> car.setModel("2010");
>
> car.setPrice(200);
>
> BusObject bo = *new*BusObject();
>
> bo.setBuscompany("Lyland");
>
> bo.setBusName("ashok");
>
> bo.setYear("789");
>
> CarObject co = *new*CarObject();
>
> co.setCompany("Fiat");
>
> co.setName("Punto");
>
> co.setYear("789");
>
> VehicleObj vo = *new*VehicleObj();
>
> vo.setBusObj(bo);
>
> vo.setCar(car);
>
> vo.setCarObj(co);
>
> VehicleObj vo2 = *new*VehicleObj();
>
> vo2.setBusObj(bo);
>
> vo2.setCar(car);
>
> vo2.setCarObj(co);
>
> VehicleObj vo3 = *new*VehicleObj();
>
> vo3.setBusObj(bo);
>
> vo3.setCar(car);
>
> vo3.setCarObj(co);
>
> VehicleObjList list = *new*VehicleObjList();
>
> list.getVehicle().add(vo);
>
> list.getVehicle().add(vo2);
>
> list.getVehicle().add(vo3);
>
> ObjectFactory of = *new*ObjectFactory();
>
> *return*of.createVehicleList(list);
>
> }
>
> @POST
>
> @Path("putVehicles")
>
> @Produces(MediaType./TEXT_PLAIN/)
>
> @Consumes({MediaType./APPLICATION_JSON/, MediaType./APPLICATION_XML/})
>
> *public*String putVehicles(JAXBElement<VehicleObjList> element)
>
> {
>
> VehicleObjList list = element.getValue();
>
> List<VehicleObj> vehicle = list.getVehicle(); --ąTHIS
> RETURNS NULL
>
> *return*"true";
>
> }
>
> I have to use JAXBElement as the return types and parameters since the
> JAXB Binding classes already exists and we cannot edit the schema to
> add some @XmlRootElement's as this Binding classes are used in SOAP
> services also.
>
> Please let me know if you have come across this issue and if so pls
> suggest the solution you had to work around.
>
> Here is my ContextResolver implementation
>
> @Provider
>
> public final class JAXBContextResolver implements
> ContextResolver<JAXBContext> {
>
> private final JAXBContext context;
>
> private final Set<Class> types;
>
> private final Class[] cTypes = { VehicleObjList.class,
> VehicleObj.class, CarObject.class,
>
> CarType.class, BusObject.class };
>
> public JAXBContextResolver() throws Exception {
>
> this.types = new HashSet(Arrays.asList(cTypes));
>
> Map<String, String> ns2json = new HashMap<String, String>();
>
>
> ns2json.put("http://www.theserverlabs.com/namespaces/cars", "1");
>
> ns2json.put("http://www.theserverlabs.com/namespaces/bus",
> "2");
>
> this.context = new
> JSONJAXBContext(JSONConfiguration.mappedJettison()
>
> .xml2JsonNs(ns2json).build(), cTypes);
>
> }
>
> public JAXBContext getContext(Class<?> objectType) {
>
> return (types.contains(objectType)) ? context : null;
>
> }
>
> }
>
> Thanks & Regards
>
> Dhanush Gopinath
>