Re: Access request from tml / standard servlet api role support

Yeah, that was my old way of doing this thing, but it ties classes too much, so I discarded that code.
Thank you,
larzeni

> Sent: Saturday, April 28, 2018 at 12:49 AM
> From: "pico.dev" <[email protected]>
> To: "Tapestry users" <[email protected]>
> Subject: Re: Access request from tml / standard servlet api role support
>
> Maybe other alternative is create a base page class that has this and
> some/all application pages extends
> 
> @Inject
> RequestGlobals m_requestGlobals;
> 
> public boolean isUserAdmin()
> 
> El sáb., 28 abr. 2018 a las 0:41, pico.dev (<[email protected]>) escribió:
> 
> > Hi,
> >
> > Maybe you can implement a new conditional component that checks the role
> > and render or not its body. Something like this:
> >
> > <t:isUserInRole role="ADMIN">
> >     <a t:id="saveButton" type="button" href="#">SAVE DATA</a>
> > </t:isuserInRole>
> >
> > See https://tapestry.apache.org/component-rendering.html
> >
> > Regards,
> >
> > El sáb., 28 abr. 2018 a las 0:12, Luca Arzeni (<[email protected]>)
> > escribió:
> >
> >> Hi,
> >> I'm using tapestry5.4 with java 8.
> >>
> >> I am using the standard servlet API to check if a user is in role or not,
> >> to hide or show buttons, links, and so on.
> >>
> >> For example, I need to show a button to the user only if the user has
> >> been granted a role.
> >>
> >> My usual way to to this is:
> >>
> >> 1) create a method in the page, for example:
> >>
> >> @Inject
> >> RequestGlobals m_requestGlobals;
> >>
> >> public boolean isUserAdmin() {
> >>         if (m_requestGlobals == null) {
> >>                 return false;
> >>         }
> >>         return m_requestGlobals.isUserInRole("ADMIN");
> >> }
> >>
> >> 2) then, in the tml, check the method using a t:if component, for example:
> >>
> >> <t:if test="userAdmin">
> >>                 <a t:id="saveButton" type="button" href="#">SAVE DATA</a>
> >> </t:if>
> >>
> >> This is not so good, since I must reimplement the same method in many
> >> pages.
> >>
> >> Is there any way could I access the requestGlobals directly from tml?
> >>
> >> My goql would be to write, directly in the tml, something like:
> >>
> >>
> >> <t:if test="request.isuserInRole('ADMIN')">
> >>         <a t:id="saveButton" type="button" href="#">SAVE DATA</a>
> >> </t:if>
> >>
> >>
> >> Is it possible to do this with tapestry5?
> >>
> >> Thanks in advance,
> >> larzeni
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: [email protected]
> >> For additional commands, e-mail: [email protected]
> >>
> >>
>

---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]