Hi Guys,
I suspect nobody knows ?
2008/9/29 Anton Gavazuk <[EMAIL PROTECTED]>:
> Hello guys,
>
> have a big problem with GuiceResolver, which is a part of
> myfaces-implementation.
>
> When I'm using it seems it doesnt pass/copy field members from
> previous instance of managed bean -
> instead it creates new instances (according to source code) - and all
> field members which have had parameters from web form in final
> instance are null.
>
> Actually it creates instances of managed bean for 9 times after a form
> has been posted.
>
> I'm not very confident in ELResolver stuff, but seems that this
> resolver is not implemented in right way or I'm using it in wrong way.
>
> Please, can you clarify what should be changed, or just give info how
> to work with these "resolvers"?
>
>
>
>
>
> The source code of
> org.apache.myfaces.el.unified.resolver.GuiceResolver is below:
> [CODE]
> public class GuiceResolver extends ManagedBeanResolver {
>
> public static final String KEY = "oam." + Injector.class.getName();
>
> @Override
> public Object getValue(ELContext ctx, Object base, Object property)
> throws NullPointerException, PropertyNotFoundException, ELException {
>
> if (base != null || !(property instanceof String))
> return null;
>
> if (property == null)
> throw new PropertyNotFoundException();
>
> FacesContext fctx = (FacesContext) ctx.getContext(FacesContext.class);
>
> if(fctx == null)
> return null;
>
> ExternalContext ectx = fctx.getExternalContext();
>
> if (ectx == null ||
> ectx.getRequestMap().containsKey(property) ||
> ectx.getSessionMap().containsKey(property) ||
> ectx.getApplicationMap().containsKey(property) )
> return null;
>
> ManagedBean managedBean =
> runtimeConfig(ctx).getManagedBean((String)property);
>
> return managedBean == null ? null : getValue(ctx, ectx,
> managedBean.getManagedBeanClass());
> }
>
> private Object getValue(ELContext ctx, ExternalContext ectx, Class
> managedBeanClass) {
>
> Injector injector = (Injector) ectx.getApplicationMap().get(KEY);
>
> if(injector == null)
> throw new FacesException("Could not find an instance of "
> + Injector.class.getName()
> + " in application scope using key '" + KEY + "'");
>
> Object value = injector.getInstance(managedBeanClass);
> ctx.setPropertyResolved(true);
> return value;
> }
>
> }
> [/CODE]
>
