Action to Action - Chaining

[Puneet Agarwal <pu...@delhi.tcs.co.in>]

I had seen the discussion on Action Chaining, in developer's Forum.

We had an urgent need to implement this.

Following is the manner in which we achieved it.....does anyone think ..it
can pose problems to us in future....???
We declared the following method in the overridden DispatchAction class and
then I use it from my action classes.

X--------------X
  public ActionForward invokeMethod(HttpServletRequest request, String
action,
                                    String method, Object[] args)
         throws InvocationTargetException, IllegalAccessException
  {
    ModuleConfig config
= (ModuleConfig)request.getAttribute(Globals.MODULE_KEY);
    String key = Globals.REQUEST_PROCESSOR_KEY + config.getPrefix();
    ServletContext sc = request.getSession().getServletContext();
    TigerRequestProcessor processor
= (TigerRequestProcessor)sc.getAttribute(key);
    ActionClass ac = (ActionClass)processor.actions.get(action);
    Method[] methods =  ac.getClass().getDeclaredMethods();
    ActionForward af= null;
    for ( int i = 0 ; i < methods.length ; i++ )
    {
      if ( methods[i].getName().equals(method))
      {
        af = (ActionForward)methods[i].invoke(ac, args);
      }
    }
    return af;
  }
X--------------X
Regards,
Puneet Agarwal

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