[jira] Assigned: (BEEHIVE-291) netui-config needs to be able to configure the writability of the pageFlow / sharedFlow binding contexts

["Eddie O'Neil (JIRA)" <be...@incubator.apache.org>]

     [ http://issues.apache.org/jira/browse/BEEHIVE-291?page=history ]

Eddie O'Neil reassigned BEEHIVE-291:
------------------------------------

    Assign To: Eddie O'Neil

> netui-config needs to be able to configure the writability of the pageFlow / sharedFlow binding contexts
> --------------------------------------------------------------------------------------------------------
>
>          Key: BEEHIVE-291
>          URL: http://issues.apache.org/jira/browse/BEEHIVE-291
>      Project: Beehive
>         Type: Bug
>   Components: NetUI
>     Versions: V1Beta
>     Reporter: Eddie O'Neil
>     Assignee: Eddie O'Neil

>
> Currently, the pageFlow and sharedFlow implicit objects are data bindable from a browser with:
>   {pageFlow.foo} or {sharedFlow.foo}
> This can lead to manipulation of values exposed from the pageFlow / sharedFlow to JSPs in ways that weren't intended.  While this can be used to expose properties on a JPF as if the JPF itself was a form bean, it's often the case that a JPF needs to expose read-only data to a JSP that isn't web-writable.
> The netui-config file and the expression language need to support *preventing* this type of expression-based update by allowing an app developer to constrain the list of writable implict objects.

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