Re: Addition of two new actions

[Ted Husted]

I use many utilities Actions like these, and the result is that fewer 
*custom* Actions are needed. I think increasing the number of standard 
Actions in the distribution is a very good idea. It makes Struts more 
accessible to newcomers, saves everyone from reimplementing the same 
design, and leverages the fact that Actions are singletons.

-Ted.

Vic Cekvenich wrote:
I think less actions are needed, not more.
.V
Steve Raeburn wrote:

I'd like to add two new actions to org.apache.struts.actions that I find
particularly useful.
1. SuccessAction - A simple action that forwards control to an 
ActionFoward
named "success".

This is a very simple action, but I find it exceptionally useful,
particularly in the early stages of development when it can act as a
placeholder for as-yet undeveloped actions.
  public ActionForward execute(
    ActionMapping mapping,
    ActionForm form,
    HttpServletRequest request,
    HttpServletResponse response)
    throws Exception {
    ActionForward forward = mapping.findForward("success");
      if (forward == null) {
        String message =
          messages.getMessage("success.required", mapping.getPath());
        log.error(message);
        throw new ServletException(message);
      }
      return forward;
    }
2. ParameterDispatchAction - A DispatchAction that selects a handler 
method
using the value of the ActionMapping parameter.

This is as per the suggestion by Anthony Kay via Bugzilla
<http://nagoya.apache.org/bugzilla/show_bug.cgi?id=17117>, except I 
prefer
the name ParameterDispatchAction to his suggestion of 
ConfigDispatchAction
as I think it's more descriptive of what the class actually does. 
Other than
the name change, I've just tidied up the Javadoc and changed the
'unspecified' method to throw an Exception (as in DispatchAction) rather
than return an Http error code.

If no one has any problems with adding these two, I'll put them in 
tomorrow.

Steve




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--
Ted Husted,
  Junit in Action  - <http://www.manning.com/massol/>,
  Struts in Action - <http://husted.com/struts/book.html>,
  JSP Site Design  - <http://www.amazon.com/exec/obidos/ISBN=1861005512>.


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