Following the examples that come with WW2 (<ww:iterator
value="actionErrors"> ...) I use ActionSupport's actionErrors property for
communicating errors to the user. Actually I found this feature so neat that
I added an actionMessages property to my Action base class derived from
ActionSupport since sometimes I have some more in store form my users than
only error messages ;) This works like a charm unless I chain actions, which
I do quite often. In these cases the actionErrors and actionMessages
properties will get lost. Is there an elegant solution to this problem?
In the wiki there is a post from Robert Douglass proposing to put something
like
<result name="success">browse.action?id=${product.id}</result>
(=> <result
name="success">chained.action?actionErrors=${actionErrors}</result>)
in xwork.xml. I found out that I can retrieve those errors by means of
String[] actionErrors = (String[])
ActionContext.getContext().getParameters().get("actionErrors");
(substituting the expected Collection for String[] always failed with a
class cast exception). Yet there might be a more elegant way to achieve what
I am trying to do. If so I would be glad to hear about it.
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