Is the class extending ClientBehaviorBase can be considered as an injection target?

Question

The bean is defined to be as simple as follows:

@Named
@RequestScoped
public class ConfirmBean {

    private String confirmMsg;

    public ConfirmBean(){
        confirmMsg = "Are you sure you want to delete this file ?";
    }   

   // getters & setters           
}

And the class inheriting the ClientBehaviorBase

@FacesBehavior(value = "confirm")
public class ConfirmDeleteBehavior extends ClientBehaviorBase {

    @Inject
    ConfirmBean confirmBean;
    //@Inject
    //ConfirmEJBBean confirmEJBBean;
    //@EJB
    //ConfirmEJBBean confirmEJBBean;

    @Override
    public String getScript(ClientBehaviorContext behaviorContext) {
        return "return confirm('"+confirmBean.getConfirmMsg()+"');";
    }
}

with the taglib file-

    <namespace>http://www.custom.tags/jsf/delete</namespace>
    <tag>
        <tag-name>confirmDelete</tag-name>
        <behavior>
            <behavior-id>confirm</behavior-id>
        </behavior>
    </tag>

with an entry as context-param in web.xml-

<context-param>
    <param-name>javax.faces.FACELETS_LIBRARIES</param-name>
    <param-value>/WEB-INF/taglib/delete.taglib.xml</param-value>
</context-param>

and accessing this custom tag in the front layer-

        <h:form>
            <h:commandButton value="Delete" action="done">
                <b:confirmDelete/>
            </h:commandButton>
        </h:form>

I am using Glassfish application server 4.1.1 with Mojarra 2.2.12 version being used internally.

I got a NPE here-

Your tagging btw kind of suggests it works in MyFaces (due to the added Mojarra tag) and e.g. in JBoss (due to the GlassFish tag). At least that is how I always read tags... — Kukeltje, Jun 14 '16 at 19:20

score 2 · Accepted Answer · answered Jun 14 '16 at 16:32

It's not so much that the extending the class makes it not eligable for injection it is that the @FacesBehaviour is annotation does not make it a target of injection. A little googling told me this: In JSF 2.2 it is not a target for injection, in 2.3 it is.

OmniFaces added support for injection in FacesConverters and FacesValidators to be used with jsf 2.2 but not the FacesBehaviour.

Is the class extending ClientBehaviorBase can be considered as an injection target?

1 Answers1