This is the ugly workaround but works quite well
public class AbstractResource<T> extends JpaDaoSupport {
private final Class<T> clazz;
private T[] arrClass;
protected AbstractResource(Class<T> clazz) {
this.clazz = clazz;
arrClass = (T[]) Array.newInstance(clazz, 0);
}
@GET
@Produces( { "application/xml", "application/json" })
public T[] getAll() {
List<T> list = this.getJpaTemplate().find("from " + clazz.getName());
return list.toArray(arrClass);
}
}
Paul Sandoz wrote:
>
>
> On Jun 26, 2009, at 10:00 AM, testn wrote:
>
>>
>> after digging more,
>>
>> @GET
>> @Produces({"application/xml", "application/json"})
>> public T getAll() {
>> return (T) this.getJpaTemplate().find("from
>> "+clazz.getName()).get(0);
>> }
>> works in the base class... but not this...
>>
>
> Yes, i forgot about that, Jersey does resolve T, the type variable to
> a Class or a concrete ParameterizedType in this case. For the case of
> List<T> etc it is more difficult to support this in a general manner,
> but i suppose it could be done, just a bit of a head scratcher...
>
> Paul.
>
>
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