Transaction Token: How can a html:form submit a forward

[Peter Pilgrim <pe...@db.com>]

When you transaction token invalid you normally forward
to nice smiling double transaction screen and print a nice error message.

You want to prevent or suggest that user not hit the [BACK] button in the
browser.

I would like to put a simple button "Continue" that forwards to the "promptForm"
page.

if ( !isTokenValid() )  {
     // transaction error
     saveErrors( ... )
     ActionForward fwd = mappings.findForward("transaction-invalid");
     request.setAttribute( "com.db.project.AFTER_TRANSACTION_INVALID", fwd );

     return mapping.findForward( "invalid-form-input" );
}

Do you see what I am doing here? I am finding a forward "transaction-invalid"
to allow the user to go FORWARD rather than BACKWARDS.
In each ActionMapping I can declare a "transaction-invalid" that redirect to
the same action and forward to the "promptForm" screen.

    <action    path="/AbsurdCalc"
               type="com.db.project.jsp.actions.AbsurdCalc"
               name="calcForm"
              scope="request"
           validate="false" >
      <forward name="promptForm"        path="/calcForm.jsp"/>
      <forward name="success"           path="/calcResul.tjsp"/>
      <forward name="transaction-invalid        path="/AdsurdCalc.do?action=promptForm" />
    </action>

So I would like to write in "invalid-form-input.jsp" something like this

<html:errors/>

<logic:present name="com.db.project.AFTER_TRANSACTION_INVALID" >
   <html:form   forward="<%= request.getAttribute("com.db.project.AFTER_TRANSACTION_INVALID") %>" >
     Please continue to the restart page
      <html:button value="Continue" />
   </html:form>
</logic:present>

I know <html:form> does not support a forward tag attributes. Any Suggestion?

--
Peter Pilgrim                 ++44 (0)207-545-9923
                                                      //_\\
"Mathematics is essentially the study of islands of  =======
disparate subjects in a sea of ignorance."           || ! ||
Andrew Wiles __________________________/\________/\__||_!_||__



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