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Posted to dev@myfaces.apache.org by "Leonardo Uribe (JIRA)" <de...@myfaces.apache.org> on 2010/09/07 19:33:35 UTC
[jira] Resolved: (MYFACES-2908) UIViewRoot.addComponentResource()
adding multiple components with same ID instead of replacing
[ https://issues.apache.org/jira/browse/MYFACES-2908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Leonardo Uribe resolved MYFACES-2908.
-------------------------------------
Resolution: Fixed
> UIViewRoot.addComponentResource() adding multiple components with same ID instead of replacing
> ----------------------------------------------------------------------------------------------
>
> Key: MYFACES-2908
> URL: https://issues.apache.org/jira/browse/MYFACES-2908
> Project: MyFaces Core
> Issue Type: Bug
> Components: JSR-314
> Affects Versions: 2.0.2-SNAPSHOT
> Reporter: Michael Concini
> Assignee: Michael Concini
> Fix For: 2.0.2-SNAPSHOT
>
> Attachments: MYFACES-2908-patch.txt
>
>
> Looks like when MYFACES-2854 was committed, there were two issues it caused where we break spec compliance. Both are around behavior that "If the component ID of componentResource matches the the ID of a resource that has allready been added, remove the old resource."
> The first is that it looks like the "else if (componentId != null)" statement is in the wrong place.
> If a UIComponent is added with the same ID as an existing component, we'll never get to this check since we'll be false on the isInView() check.
> This will cause duplicate ID exceptions to be thrown if multiple objects with the same ID are added.
> This is easily resolved by moving the else if to kick in whenever isInView() is false.
> The second issue, and the more important since this is breaking a TCK test, is that since we were only comparing to the parent's ID to the location prefix, we weren't handling the case where the same object gets added a second time after updating the target.
> This can be resolved by changing
> if (componentResource.getParent() != null &&
> componentResource.getParent().getId() != null &&
> componentResource.getParent().getId().startsWith(JAVAX_FACES_LOCATION_PREFIX)) ...
> to
> if (componentResource.getParent() != null &&
> componentResource.getParent().getId() != null &&
> componentResource.getParent().getId().equals(JAVAX_FACES_LOCATION_PREFIX + target))
> I'll attach a patch for review while I wait for our CTS team to try the change out. I probably wont' be able to commit until after the US Labor Day holiday since I'm away Friday.
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