you can also use CODI @Advanced and then inject "anything" in the converter, see [1].
i hope it helps. [1]:https://cwiki.apache.org/EXTCDI/jsf-usage.html#JSFUsage-DependencyInjection Att, Rafael M. Pestano Desenvolvedor Java Cia. de Processamento de Dados do Rio Grande do Sul Graduando em Ciência da Computação UFRGS http://conventionsframework.org http://rpestano.wordpress.com/ @realpestano ________________________________ De: "Howard W. Smith, Jr." <smithh032...@gmail.com> Para: Mark Struberg <strub...@yahoo.de>; MyFaces Discussion <users@myfaces.apache.org> Cc: "us...@openejb.apache.org" <us...@openejb.apache.org> Enviadas: Terça-feira, 20 de Novembro de 2012 11:37 Assunto: Re: Migrating to CDI: injecting stateless/facade in Converter via facescontext Interesting and noted, thanks. Yes, I did hear JSF 2.2 will allow CDI in facesconverter. Thanks. On Nov 20, 2012 8:34 AM, "Mark Struberg" <strub...@yahoo.de> wrote: > you could also have used CODI BeanManagerProvider#getReference to get > access to the bean. > > The support you need out of the box will come in JSF-2.2. > > > LieGrue, > strub > > > > ----- Original Message ----- > > From: "Howard W. Smith, Jr." <smithh032...@gmail.com> > > To: us...@openejb.apache.org; MyFaces Discussion < > users@myfaces.apache.org> > > Cc: > > Sent: Tuesday, November 20, 2012 1:56 PM > > Subject: Re: Migrating to CDI: injecting stateless/facade in Converter > via facescontext > > > >T he goal was to inject bean in facesconverter via CDI, but I don't have > > this need anymore, since faces converter is not an eligible injection > > point, so I opted to use request scoped JSF managed beans that have > > facesconverter defined within the bean. That's working fine. Thanks. > > > > Okay, I can cc myfaces user group as well, going forward. :-) > > On Nov 20, 2012 7:37 AM, "Romain Manni-Bucau" > > <rmannibu...@gmail.com> > > wrote: > > > >> i'm still not clear about your goal and where you need injection > >> > >> maybe share a (runnable) sample to show us what you are talking about > >> > >> side note: myfaces list can help you a lot about it too > >> > >> *Romain Manni-Bucau* > >> *Twitter: @rmannibucau <https://twitter.com/rmannibucau>* > >> *Blog: **http://rmannibucau.wordpress.com/*< > >> http://rmannibucau.wordpress.com/> > >> *LinkedIn: **http://fr.linkedin.com/in/rmannibucau* > >> *Github: https://github.com/rmannibucau* > >> > >> > >> > >> > >> 2012/11/20 Howard W. Smith, Jr. <smithh032...@gmail.com> > >> > >> > Interesting, that will allow you to get instance of beans, if already > >> > instantiated, and that could have helped in converter, only if beans > >> > already injected earlier? > >> > On Nov 20, 2012 7:11 AM, "Romain Manni-Bucau" > > <rmannibu...@gmail.com> > >> > wrote: > >> > > >> > > was thinking to > >> > > > >> > > >> > http://docs.oracle.com/javaee/6/api/javax/faces/context/FacesContext.html > >> > > getAttributes() > >> > > method (depend a bit on your real need) > >> > > > >> > > *Romain Manni-Bucau* > >> > > *Twitter: @rmannibucau <https://twitter.com/rmannibucau>* > >> > > *Blog: **http://rmannibucau.wordpress.com/*< > >> > > http://rmannibucau.wordpress.com/> > >> > > *LinkedIn: **http://fr.linkedin.com/in/rmannibucau* > >> > > *Github: https://github.com/rmannibucau* > >> > > > >> > > > >> > > > >> > > > >> > > 2012/11/20 Howard W. Smith, Jr. <smithh032...@gmail.com> > >> > > > >> > > > Faces context? Please explain. > >> > > > On Nov 20, 2012 1:56 AM, "Romain Manni-Bucau" > > < > >> rmannibu...@gmail.com> > >> > > > wrote: > >> > > > > >> > > > > You cant use faces context? > >> > > > > Le 20 nov. 2012 03:01, "Howard W. Smith, Jr." > > < > >> > smithh032...@gmail.com> > >> > > a > >> > > > > écrit : > >> > > > > > >> > > > > > For minimal changes, I'm adding FacesConverter > > to JSF > >> requestscoped > >> > > > > > managedBean's as per the Stackoverflow answer > > below: > >> > > > > > > >> > > > > > How can I inject in @FacesConverter?< > >> > > > > > http://stackoverflow.com/a/13156834/933054> > >> > > > > > > >> > > > > > Yes, this means more classes in the project, but > > honestly, I have > >> > not > >> > > > had > >> > > > > > to spend much time 'maintaining' my > > Converter classes at all. I > >> > just > >> > > > > tested > >> > > > > > this concept, and I'm not experiencing this > > exceptioin any more. > >> > > > > > > >> > > > > > While testing the above, I see more exceptions to > > resolve related > >> > to > >> > > > > > migrating to CDI. Will let you all know, if I have > > any more > >> > > questions. > >> > > > > > > >> > > > > > Thanks for all the responses/help, so far. :) > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > > > On Mon, Nov 19, 2012 at 7:20 PM, Romain > > Manni-Bucau > >> > > > > > <rmannibu...@gmail.com>wrote: > >> > > > > > > >> > > > > > > If it is a nested class you need it otherwise > > (class foo in > >> > > foo.java > >> > > > > > file) > >> > > > > > > you dont need it > >> > > > > > > Le 20 nov. 2012 01:16, "Howard W. Smith, > > Jr." < > >> > > > smithh032...@gmail.com> > >> > > > > a > >> > > > > > > écrit : > >> > > > > > > > >> > > > > > > > Good question. I removed > > 'static', because I didn't see it in > >> > the > >> > > > > code > >> > > > > > at > >> > > > > > > > following URLs: > >> > > > > > > > > >> > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> > > > https://cwiki.apache.org/confluence/display/EXTCDI/JSF+Usage#JSFUsage-DependencyInjection > >> > > > > > > > > >> > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> > > > http://stackoverflow.com/questions/7531449/cdi-injection-into-a-facesconverter > >> > > > > > > > > >> > > > > > > > > > https://issues.apache.org/jira/browse/EXTCDI-127 > >> > > > > > > > > >> > > > > > > > > >> > > > > > > > On Mon, Nov 19, 2012 at 4:30 PM, Romain > > Manni-Bucau > >> > > > > > > > <rmannibu...@gmail.com>wrote: > >> > > > > > > > > >> > > > > > > > > Why removing static? It means it is > > no more manageable by > >> cdi > >> > > > (cdi > >> > > > > > cant > >> > > > > > > > do > >> > > > > > > > > a new on it) > >> > > > > > > > > Le 19 nov. 2012 22:13, "Howard > > W. Smith, Jr." < > >> > > > > > smithh032...@gmail.com> > >> > > > > > > a > >> > > > > > > > > écrit : > >> > > > > > > > > > >> > > > > > > > > > @Advanced was found in the > > following: > >> > > > > > > > > > > >> > > > > > > > > > import > >> org.apache.myfaces.extensions.cdi.core.api.Advanced; > >> > > > > > > > > > > >> > > > > > > > > > After some tinkering, I > > removed 'static' from the > >> following > >> > > > > > > definition, > >> > > > > > > > > > > >> > > > > > > > > > public static class > > AddressTypeControllerConverter > >> > implements > >> > > > > > > > Converter { > >> > > > > > > > > > > >> > > > > > > > > > I also added @Advanced to the > > FacesConverter/Converter, > >> and > >> > > > > latest > >> > > > > > > > error > >> > > > > > > > > is > >> > > > > > > > > > the following: > >> > > > > > > > > > > >> > > > > > > > > > Nov 19, 2012 4:08:21 PM > >> > > > > > javax.faces.component._ExternalSpecifications > >> > > > > > > > > > isBeanValidationAvailable > >> > > > > > > > > > INFO: MyFaces Bean Validation > > support enabled > >> > > > > > > > > > Nov 19, 2012 4:08:21 PM > >> > > > > > > > > org.apache.myfaces.application.ApplicationImpl > >> > > > > > > > > > internalCreateConverter > >> > > > > > > > > > SEVERE: Could not instantiate > > converter class > >> > > > > > > > > > > >> > > > > > > jsf.address.pf_AddressTypeController$AddressTypeControllerConverter > >> > > > > > > > > > > > java.lang.InstantiationException: > >> > > > > > > > > > > >> > > > > > > jsf.address.pf_AddressTypeController$AddressTypeControllerConverter > >> > > > > > > > > > > >> > > > > > > > > > > >> > > > > > > > > > > >> > > > > > > > > > On Mon, Nov 19, 2012 at 3:07 > > PM, Howard W. Smith, Jr. < > >> > > > > > > > > > smithh032...@gmail.com> > > wrote: > >> > > > > > > > > > > >> > > > > > > > > > > I searched google, found > > the following: > >> > > > > > > > > > > > >> > > > > > > > > > > CDI Injection into a > > FacesConverter< > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> > > > http://stackoverflow.com/questions/7531449/cdi-injection-into-a-facesconverter > >> > > > > > > > > > > > >> > > > > > > > > > > > >> > > > > > > > > > > which lead me to: > >> > > > > > > > > > > > >> > > > > > > > > > > MyFaces Extensions CDI > >> JSF Usage > Dependency > >> > Injection< > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> > > > https://cwiki.apache.org/confluence/display/EXTCDI/JSF+Usage#JSFUsage-DependencyInjection > >> > > > > > > > > > > > >> > > > > > > > > > > > >> > > > > > > > > > > but I don't which > > library to import for @Advanced. > >> > > > > > > > > > > > >> > > > > > > > > > > If @Advanced can be used > > (since I am using CODI), then > >> > this > >> > > > > would > >> > > > > > > be > >> > > > > > > > > > great. > >> > > > > > > > > > > > >> > > > > > > > > > > > >> > > > > > > > > > > On Mon, Nov 19, 2012 at > > 2:56 PM, Romain Manni-Bucau < > >> > > > > > > > > > rmannibu...@gmail.com > >> > > > > > > > > > > > wrote: > >> > > > > > > > > > > > >> > > > > > > > > > >> Maybe use > > BeanProvider of deltaspike > >> > > > > > > > > > >> Le 19 nov. 2012 > > 20:50, "Howard W. Smith, Jr." < > >> > > > > > > > smithh032...@gmail.com > >> > > > > > > > > > > >> > > > > > > > > > a > >> > > > > > > > > > >> écrit : > >> > > > > > > > > > >> > >> > > > > > > > > > >> > Hmmm... after > > thinking about it, I remembered to use > >> > > > @Inject > >> > > > > > on > >> > > > > > > > the > >> > > > > > > > > > bean > >> > > > > > > > > > >> > which I want to > > inject. So, I did the following: > >> > > > > > > > > > >> > > >> > > > > > > > > > >> > > > @FacesConverter(forClass = AddressType.class) > >> > > > > > > > > > >> > public > > static class > >> AddressTypeControllerConverter > >> > > > > > > implements > >> > > > > > > > > > >> Converter > >> > > > > > > > > > >> > { > >> > > > > > > > > > >> > > >> > > > > > > > > > >> > @Inject > >> > > > > > > > > > >> > private > > pf_AddressTypeController controller; > >> > > > > > > > > > >> > > >> > > > > > > > > > >> > public > > Object getAsObject(FacesContext > >> > > > facesContext, > >> > > > > > > > > > UIComponent > >> > > > > > > > > > >> > component, > > String value) { > >> > > > > > > > > > >> > if > > (value == null || value.length() == > >> 0) > >> > { > >> > > > > > > > > > >> > > > return null; > >> > > > > > > > > > >> > } > >> > > > > > > > > > >> > > > return > >> > > > controller.ejbFacade.find(getKey(value)); > >> > > > > > > > > > >> > } > >> > > > > > > > > > >> > > >> > > > > > > > > > >> > but > > 'controller' is still not being injected. I even > >> > > tried > >> > > > > the > >> > > > > > > > same > >> > > > > > > > > > for > >> > > > > > > > > > >> the > >> > > > > > > > > > >> > actual > > 'ejbFacade' (which is a stateless bean), but > >> > > that, > >> > > > > too, > >> > > > > > > > > > resulted > >> > > > > > > > > > >> in > >> > > > > > > > > > >> > a > > NullPointerException, which tells me that @Inject > >> is > >> > > not > >> > > > > > > > injecting > >> > > > > > > > > > >> > > > pf_AddressTypeController (@sessionscoped bean) OR > >> > > > ejbFacade > >> > > > > > > > > > (@Stateless > >> > > > > > > > > > >> > bean instance of > > AddressTypeFacade). > >> > > > > > > > > > >> > > >> > > > > > > > > > >> > > >> > > > > > > > > > >> > Is there a > > general practice used for injecting beans > >> > in > >> > > > > > > > Converters.. > >> > > > > > > > > > >> > > >> > > > > > > > > > >> > > >> > > > > > > > > > >> > > >> > > > > > > > > > >> > On Mon, Nov 19, > > 2012 at 2:38 PM, Romain Manni-Bucau > >> > > > > > > > > > >> > > > <rmannibu...@gmail.com>wrote: > >> > > > > > > > > > >> > > >> > > > > > > > > > >> > > Can you > > reproduce it in a sample? What is on the > >> npe > >> > > > line? > >> > > > > > > > > > >> > > Le 19 nov. > > 2012 20:25, "Howard W. Smith, Jr." < > >> > > > > > > > > > smithh032...@gmail.com> > >> > > > > > > > > > >> a > >> > > > > > > > > > >> > > écrit : > >> > > > > > > > > > >> > > > >> > > > > > > > > > >> > > > I am > > still migrating my app from JSF Managed > >> beans > >> > > to > >> > > > > CDI > >> > > > > > > > > managed > >> > > > > > > > > > >> > beans, > >> > > > > > > > > > >> > > so > >> > > > > > > > > > >> > > > I am > > (regression) testing, and I came across the > >> > > > > exception > >> > > > > > > > below > >> > > > > > > > > > >> when > >> > > > > > > > > > >> > > > > > attempting to add a record into the database on > >> > one > >> > > of > >> > > > > the > >> > > > > > > > xhtml > >> > > > > > > > > > >> pages. > >> > > > > > > > > > >> > > > > >> > > > > > > > > > >> > > > Caused > > by: java.lang.NullPointerException > >> > > > > > > > > > >> > > > > > at > >> > > > > > > > > > >> > > > > >> > > > > > > > > > >> > > > >> > > > > > > > > > >> > > >> > > > > > > > > > >> > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> > > > jsf.address.pf_AddressTypeController$AddressTypeControllerConverter.getAsObject(pf_AddressTypeController.java:283) > >> > > > > > > > > > >> > > > > >> > > > > > > > > > >> > > > > >> > > > > > > > > > >> > > > The > > exception is caused by this line below. > >> > > > *ejbFacade* > >> > > > > > is a > >> > > > > > > > > > >> stateless > >> > > > > > > > > > >> > > bean > >> > > > > > > > > > >> > > > > > injected by @Inject. > >> > > > > > > > > > >> > > > > >> > > > > > > > > > >> > > > > > return > >> > > > > > > controller.*ejbFacade*.find(getKey(value)); > >> > > > > > > > > > >> > > > > >> > > > > > > > > > >> > > > > >> > > > > > > > > > >> > > > The > > code below is as-is using JSF Managed Beans. > >> > > > Please > >> > > > > > > advise > >> > > > > > > > > on > >> > > > > > > > > > >> how I > >> > > > > > > > > > >> > > > should > > update the following code, so it will > >> work > >> > > well > >> > > > > > with > >> > > > > > > > CDI. > >> > > > > > > > > > >> > > > > >> > > > > > > > > > >> > > > > > @FacesConverter(forClass = > >> AddressType.class) > >> > > > > > > > > > >> > > > > > public static class > >> > > AddressTypeControllerConverter > >> > > > > > > > > implements > >> > > > > > > > > > >> > > Converter > >> > > > > > > > > > >> > > > { > >> > > > > > > > > > >> > > > > >> > > > > > > > > > >> > > > > > public Object getAsObject(FacesContext > >> > > > > > facesContext, > >> > > > > > > > > > >> > UIComponent > >> > > > > > > > > > >> > > > > > component, String value) { > >> > > > > > > > > > >> > > > > > if (value == null || value.length() > >> == > >> > > 0) > >> > > > { > >> > > > > > > > > > >> > > > > > return null; > >> > > > > > > > > > >> > > > > > } > >> > > > > > > > > > >> > > > > > pf_AddressTypeController controller > >> = > >> > > > > > > > > > >> > > > > > (pf_AddressTypeController) > >> > > > > > > > > > >> > > > facesContext.getApplication().getELResolver(). > >> > > > > > > > > > >> > > > > >> > > > > getValue(facesContext.getELContext(), > >> > > > > > > > null, > >> > > > > > > > > > >> > > > > > "pf_addressTypeController"); > >> > > > > > > > > > >> > > > > > return > >> > > > > > controller.ejbFacade.find(getKey(value)); > >> > > > > > > > > > >> > > > > > } > >> > > > > > > > > > >> > > > > >> > > > > > > > > > >> > > > > > java.lang.Integer getKey(String value) { > >> > > > > > > > > > >> > > > > > java.lang.Integer key; > >> > > > > > > > > > >> > > > > > key = Integer.valueOf(value); > >> > > > > > > > > > >> > > > > > return key; > >> > > > > > > > > > >> > > > > > } > >> > > > > > > > > > >> > > > > >> > > > > > > > > > >> > > > > > String getStringKey(java.lang.Integer > >> > > value) { > >> > > > > > > > > > >> > > > > > StringBuffer sb = new > >> StringBuffer(); > >> > > > > > > > > > >> > > > > > sb.append(value); > >> > > > > > > > > > >> > > > > > return sb.toString(); > >> > > > > > > > > > >> > > > > > } > >> > > > > > > > > > >> > > > > >> > > > > > > > > > >> > > > > > public String getAsString(FacesContext > >> > > > > > facesContext, > >> > > > > > > > > > >> > UIComponent > >> > > > > > > > > > >> > > > > > component, Object object) { > >> > > > > > > > > > >> > > > > > if (object == null) { > >> > > > > > > > > > >> > > > > > return null; > >> > > > > > > > > > >> > > > > > } > >> > > > > > > > > > >> > > > > > if (object instanceof AddressType) { > >> > > > > > > > > > >> > > > > > AddressType o = (AddressType) > >> > > object; > >> > > > > > > > > > >> > > > > > return > >> > > > > getStringKey(o.getAddressTypeId()); > >> > > > > > > > > > >> > > > > > } else { > >> > > > > > > > > > >> > > > > > throw new > >> > > > > IllegalArgumentException("object > >> > > > > > > " + > >> > > > > > > > > > >> object > >> > > > > > > > > > >> > + " > >> > > > > > > > > > >> > > > is of > > type " + object.getClass().getName() + "; > >> > > > expected > >> > > > > > > type: > >> > > > > > > > > " + > >> > > > > > > > > > >> > > > > > pf_AddressTypeController.class.getName()); > >> > > > > > > > > > >> > > > > > } > >> > > > > > > > > > >> > > > > > } > >> > > > > > > > > > >> > > > } > >> > > > > > > > > > >> > > > } > >> > > > > > > > > > >> > > > > >> > > > > > > > > > >> > > > >> > > > > > > > > > >> > > >> > > > > > > > > > >> > >> > > > > > > > > > > > >> > > > > > > > > > > > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> > > >
