FileUploadInterceptor depends on implementation of MultiPartRequestWrapper
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Key: WW-2544
URL: https://issues.apache.org/struts/browse/WW-2544
Project: Struts 2
Issue Type: Bug
Components: Core Interceptors
Affects Versions: 2.0.11.1
Reporter: David Waite
The FileUploadInterceptor depends on the class/implementation of
MultiPartRequestWrapper. This has become an issue with my efforts to wrap the
HttpServletRequest as part of an authentication interceptor (made an
interceptor to access annotations on the action class/method).
The wrapper is not an interface, which makes it difficult to capture and
delegate to the framework-created instance. In addition, the wrapper does not
retain the properties of the HttpServletRequestWrapper, i.e. I cannot simply
subclass and pass an existing MultiPartRequestWrapper-ish type in to add or
override functionality. As far as I can tell, either I subclass it to make a
true wrapper (delegating all methods to the input request) or I have to change
the logic that creates the MultiPartRequestWrapper to instead create a subtype
that gives me a setUserPrincipal method.
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