[jira] Updated: (TAPESTRY-906) Make the org.apache.tapestry.services.impl.ExpressionEvaluatorImpl.createContext() method public/protected

["Jesse Kuhnert (JIRA)" <de...@tapestry.apache.org>]

     [ https://issues.apache.org/jira/browse/TAPESTRY-906?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jesse Kuhnert updated TAPESTRY-906:
-----------------------------------

    Fix Version/s:     (was: 4.1.2)
                   4.1.3

> Make the org.apache.tapestry.services.impl.ExpressionEvaluatorImpl.createContext() method public/protected
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: TAPESTRY-906
>                 URL: https://issues.apache.org/jira/browse/TAPESTRY-906
>             Project: Tapestry
>          Issue Type: Improvement
>          Components: Framework
>    Affects Versions: 4.0.1
>            Reporter: B.S.Navin
>            Priority: Minor
>             Fix For: 4.1.3
>
>
> I have my own OGNL property accessor to handle nulls in my object graph. But I have some logic in it, which needs to know if the root ognl operation was a set/get.
> OGNL provides a feature called "traceEvaluations" in which we call "setTraceEvaluations(true)" on the OgnlContext and the property accessor is provided with the evaluation. Using this evaaluation, it is possible to find if the root ognl operation was a set/get.
> Tapestry creates the OgnlContext in the org.apache.tapestry.services.impl.ExpressionEvaluatorImpl.createContext() method. As it is currently private, I had no choice but to duplicate the class source in my own class, add the required line and replace it as the implementation of the ExpressionEvaluator service.
> It would be good if it is made protected/public. Then I can subclass it / intercept the createContext() method and do my stuff.

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