[seam-issues] [JBoss JIRA] Resolved: (JBSEAM-4525) Allow FacesMessages component to be Scope other than CONVERSATION

[Michael Youngstrom (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBSEAM-4525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Youngstrom resolved JBSEAM-4525.
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    Resolution: Done


Removed all Conversation specific constructs from StatusMessages and its children.  Replacing them with more generic scope constructs.

> Allow FacesMessages component to be Scope other than CONVERSATION
> -----------------------------------------------------------------
>
>                 Key: JBSEAM-4525
>                 URL: https://jira.jboss.org/jira/browse/JBSEAM-4525
>             Project: Seam
>          Issue Type: Feature Request
>          Components: JSF Integration
>    Affects Versions: 2.2.0.GA
>            Reporter: Michael Youngstrom
>            Assignee: Michael Youngstrom
>             Fix For: 2.2.1.CR1
>
>
> The conversation scope can be a problematic scope for FacesMessages.  Often the developer may wish to end a conversation "before-redirect" and communitcate a message to the next page.  However, this doesn't work since by default FacesMessages is a conversation scoped component.
> If FacesMessages were allowed to be a Session scoped component project wouldn't have this issue at the expense of a less correct concurrency situation (multiple pages rendered at the same time from the same session may mix up messages).
> That said it would be nice to give the project a choice.  The scope for FacesMessages can be overridden to be Session scoped, however, the static :"instance()" method currently only looks in the conversation scope so the scope essentially cannot be overridden.
> This feature request is to change FacesMessages.instance() to not force lookup in the conversation scope allowing projects if they wish to override FacesMessages' scope if they wish.
> I will plan on committing the change myself for 2.2.1 unless someone objects.

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