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https://issues.apache.org/jira/browse/WW-4203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lukasz Lenart updated WW-4203:
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Fix Version/s: 2.3.17
> Allow disabling xwork creating null objects on a property level
> ---------------------------------------------------------------
>
> Key: WW-4203
> URL: https://issues.apache.org/jira/browse/WW-4203
> Project: Struts 2
> Issue Type: Improvement
> Components: Core Interceptors
> Affects Versions: 2.3.15.1, 2.3.15.2
> Reporter: Jasper Rosenberg
> Priority: Minor
> Labels: interceptors, typeconverter, xwork
> Fix For: 2.3.17
>
>
> Currently, the ParametersInterceptor sets:
> ReflectionContextState.setCreatingNullObjects(contextMap, true)
> This is great for parameters like "person.name=Phil" since it will create the
> Person object for you and then set the name.
> However, sometimes you have a converter for a property that will set it as a
> whole, and you want to make sure that an empty object is never created. For
> example, "person=6", where the Person is set by looking it up by id.
> Currently, if someone messed with the url and made it "person[x]=6", XWork
> would end up creating an empty Person object. (Something along these lines
> happened to us and I was looking for a clean way to tell XWork to not allow
> it)
> Perhaps the TypeConversion annotation could be extended to support this as an
> additional flag.
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