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
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