Jasper Rosenberg created WW-4203:
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Summary: 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: 2.3.15.2, 2.3.15.1
Reporter: Jasper Rosenberg
Priority: Minor
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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