@RestQuery: extract binded parameter name at runtime

[luca-bassoricci]

I have a ParamConverterProvider based on @QueryParam#value to extract the name of the parameter passed in query string and all works fine.
After replacing @QueryParam with @RestQuery without specify a @RestQuery#value() the returned value is always empty.
The only workaround I found is to create a custom annotation @MyParam#value() unrelated to @*Param and @Rest*: is this the right way to proceed?
Another question: should @Rest*#value return the binded name at runtime with some bytecode manupulation?

@Provider
public class MyConverterProvider implements ParamConverterProvider
{
	@SuppressWarnings("unchecked")
	@Override
	public <T> ParamConverter<T> getConverter(Class<T> rawType, Type genericType, Annotation[] annotations)
	{
		if (rawType.isAssignableFrom(MyParam.class))
		{
			String queryKey = Arrays.stream(annotations)
					.filter(QueryParam.class::isInstance)
					.findFirst()
					.map(QueryParam.class::cast)
					.map(QueryParam::value)
					.orElseThrow();
                        // omitted
                        return new MyParamConverter<T>(c, queryKey))
		}
		return null;
	}
}

Thanks to all
Luca.

[luca-bassoricci]

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