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https://issues.apache.org/jira/browse/TAPESTRY-2079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12563448#action_12563448
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Priit Karu commented on TAPESTRY-2079:
--------------------------------------
I'm still not sure if i was able to explain the problem in an understandable
way above.
If i do <code>comp instanceof TestContainer</code> inside component class it
works as expected. If i execute the same code inside utility class <code>comp
instanceof TestContainer</code> it does not work anymore. <code>comp</code> is
the same variable in both cases. Just the place (java package) where it is
executed is different.
Is this really documented behavior somewhere?
> Component class type is lost when it is passed outside Tapestry application
> pages or components package
> -------------------------------------------------------------------------------------------------------
>
> Key: TAPESTRY-2079
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2079
> Project: Tapestry
> Issue Type: Bug
> Components: Framework
> Affects Versions: 5.0
> Reporter: Priit Karu
> Assignee: Howard M. Lewis Ship
> Attachments: example.ZIP
>
>
> I obtain component container inside one component (e.g. call
> ComponentResources.getContainer()) and when i check the class type inside the
> same component method everything is ok but when i decide to pass the same
> component to an utility class that do the same there it fails.
> E.g. i have two methods inside my component class and the first one returns
> true, the second one false although the code should be the same for both
> (only different package/class):
> public boolean isInsideTestContainerLocally(){
> Component comp = resources.getContainer();
> return (comp instanceof TestContainer);
> }
>
> public boolean isInsideTestContainerWithCall(){
> Component comp = resources.getContainer();
> return Util.isInstanceOfTestContainer(comp);
> }
> ----->>----Util class contains the method---->----
> public static boolean isInstanceOfTestContainer(Component _comp){
> return _comp instanceof TestContainer;
> }
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