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
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