[ http://issues.apache.org/jira/browse/BEEHIVE-1060?page=all ]
Carlin Rogers updated BEEHIVE-1060:
-----------------------------------
Attachment: j1060-repro-updated.zip
updating the repro so that it includes the control (the control from netui
tests that the original repro referenced).
> Control not being initialized when Inheriting from a parent page flow with a
> package protected control
> ------------------------------------------------------------------------------------------------------
>
> Key: BEEHIVE-1060
> URL: http://issues.apache.org/jira/browse/BEEHIVE-1060
> Project: Beehive
> Type: Bug
> Components: NetUI
> Versions: 1.0.1
> Reporter: Carlin Rogers
> Fix For: v.next
> Attachments: j1060-repro-updated.zip, j1060-repro.zip
>
> When a page flow in another package inherits from a parent page flow that
> contains a package protected @Control member variable, the control is not
> initialized correctly. When the page flow call a method inherited from the
> parent and the method uses the package protected control, an NPE will be
> thrown as the control will not be initialized.
> The work around is to make the control field protected rather than package
> protected.
> To reproduce create a page flow with a package protected control. Include a
> method in the parent page flow that uses the control. Then, create a second
> page flow controller class in another package that extends the parent and
> calls the inherited method that hits the control. I will attach a zip file
> that will contain page flows to repro this issue. It can also be used to test
> the fix.
> The problem seems to occur when JavaControlUtils.initJavaControls() is called
> and checks for the set of annotated control fields for the inherited page
> flow controller class. The routine,
> JavaControlUtils.getAccessibleControlFieldAnnotations() checks the fields of
> the page flow controller and its ancestors to see if they match any of the
> fields found in our generated annotation XML file. However, there will not be
> an <annotated-element> in the processed annotations file of the derived page
> flow for the package protected control in the parent page flow.
> I'm not sure yet whether the NetUI annotation processor should generate this
> <annotated-element> or if the getAccessibleControlFieldAnnotations() method
> should be looking at the annotated fields of parent classes. We can look at
> this for v.next.
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