[jbosstools-issues] [JBoss JIRA] (JBIDE-21220) Incorrect JSF Phase Listener Warning

[Vlado Pakan (JIRA)]

Vlado Pakan created JBIDE-21220:
-----------------------------------

             Summary: Incorrect JSF Phase Listener Warning
                 Key: JBIDE-21220
                 URL: https://issues.jboss.org/browse/JBIDE-21220
             Project: Tools (JBoss Tools)
          Issue Type: Bug
          Components: jsf
    Affects Versions: 4.3.0.Final
         Environment: Mars.1
Java 8
            Reporter: Cody Lerum
            Assignee: Viacheslav Kabanovich
             Fix For: 4.3.1.Beta1, 4.4.0.Alpha1


When adding a JSF phase listener to faces-config.xml

{code}
<lifecycle>
   <phase-listener>com.demo.web.jsf.JsfCdiPhaseListener</phase-listener>
</lifecycle>
{code}

You are presented a warning that {{phase-listener references to "com.demo.web.jsf.JsfCdiPhaseListener" that does not extend javax.faces.event.PhaseListener}}

In reality you cannot extend javax.faces.event.PhaseListener you must implement it. So this check should be looking for implements rather than extends. See http://balusc.omnifaces.org/2006/09/debug-jsf-lifecycle.html

In java 8 at least you get a compiler error if you try and extend avax.faces.event.PhaseListener.

The type PhaseListener cannot be the superclass of JsfCdiPhaseListener; a superclass must be a class



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