Thank you both, Craig M. and Craig T. very much!
Maya
"Craig R. McClanahan" wrote:
> Maya Muchnik wrote:
>
> > Hi,
> >
> > How make a link or JSP URL "invisible" to a browser? I have read some chapter
> > in a book, I know that this is possible. Is it possible with Struts? Is it
> > some property "visible=true / false"?
> >
>
> Another Craig knew the JavaScript trick for this one :-).
>
> >
> > The second question is about "input" parameter in "Action Mapping" section of
> > struts-config.xml. For example, struts-example has no "input" for "Edit user
> > registration", but has "forward" for "success". On the other hand, "A walking
> > tour of the example application"
> > (http://localhost:8080/struts-example/tour.htm) has both (paragraph
> > "CheckLoginTag.java":
> >
>
> I suspect this part of the walking tour was based on an older version of
> the
> example code.
>
> > -------
> > <!-- Edit user registration -->
> > <action path="/editRegistration"
> > type="org.apache.struts.example.EditRegistrationAction"
> > name="registrationForm"
> > scope="request"
> > validate="false"
> > input="/registration.jsp">
> > <forward name="success" path="/registration.jsp"/>
> > </action>
> > ------
> > What is right?
> >
>
> The "official" version of the example (that is, the code that is
> actually
> executed when you run the example), does not have an "input" attribute
> on the
> "/editRegistration" action. The reasoning is this: the
> "/editRegistration"
> action is never used as the target of a form submit, so there is no
> concept of
> returning to an input form after a validation error. This action is
> invoked to
> "set up" a new form bean before transferring to "registration.jsp" for
> entry, so
> there is no need for input processing before it is invoked.
>
> One of the places that "/editRegistration.do" is referenced is on the
> main menu
> page -- it is the destination of the hyperlink for the "Edit your user
> registration profile". So, if we follow through on what happens when
> you run the
> app:
> (1) Log on and go to the main menu.
> (2) Click the hyperlink for "/editRegistration.do"
> (3) This action sets up a form bean, populated from your current
> user information.
> (4) This action returns a forward to the "success" page,
> registration.jsp
> (5) The registration page displays, accepts your input,
> and submits to the "/saveRegistration" action
> (6) This action has an input form declared, so the validation occurs.
> If there are any errors, returns to (5) with the error messages
> object
> created
> (7) If there are no errors, the save registration action is called.
>
> So, you should use an "input" attribute only on actions that actually
> accept an
> input form (and therefore might detect validation errors and need to
> return).
> Actions that don't do this do not need an "input" attribute.
>
> >
> > Maya
>
> Craig