Params will not always set all parameters in @Result annotation
---------------------------------------------------------------
Key: WW-2909
URL: https://issues.apache.org/struts/browse/WW-2909
Project: Struts 2
Issue Type: Bug
Affects Versions: 2.1.3
Reporter: Todd Perry
I have a custom result that implement Result with two setters for 'feedTitle'
and 'feedDescription'. When using the @Result annotation:
@Result(name = "feed", type = Feed Result.class, value = "feed",
params = { "feedTitle", "testTitle",
"feedDescription", "testDescription" }
)
The feedTitle is set but not feedDescription. The problem is in
com.opensymphony.xwork2.ObjectFactory, buildResult, which calls
OgnlReflectionProvider.setProperties with the map of properties... the map has
this content:
{feedTitle=testTitle, location=feed, feedDescription=testDescription}
Struts appears to have added 'location' to the parameters when building the
map. Since my Result does not have this property it throws an exception which
is handled silently in buildResult but it does not set the remaining properties
in the map (feedDescription).
See my comment on WW-2297 (sorry I did not realize it was closed when I added
this) showing that this also prevents properties like 'actionName' from being
set under certain circumstances, which means WW-2297 does not seem to be fully
fixed. The map order seems to be arbitrary (I assume it's backed by a hash
map) so it is not possible to make sure the Result properties appear first to
prevent the exception from interfering. So this problem also prevents me from
using @Result to place arbitrary parameters on the value stack, which it
appears to be meant for as well.
A workaround for this is that I can add a 'setLocation' to my result to handle
the internal property.. but it does not solve the situation in WW-2297 when
trying to pass parameters to an internal result type like
ServletActionRedirectResult.
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