Access Control
I am implement an access control to the users.
My code is the following one:
<h:commandButton action="#{gestorAlbaranes.buscarProducto}" value="#{msgs.buscar}" rendered="#{!gestorAlbaranes.flagModificacion}" image="img/prod2venta.jpg" title="A馻de un producto al Albaran actual"/>
but,
rendered=".......", depend of acces the user,
I need send parameter to verify if rendered, is possible or not.
rendered="#{gestorA.verifyPerm("idTextBoxNombre")}"
[496 byte] By [
vhsgvhsga] at [2007-10-3 0:45:25]
You might want to check out the "EL-Functors" resolver library at
http://el-functors.sourceforge.net/
Once you include the jar file from that project, you can write your "rendered" attribute as
rendered="#{gestorA.verifyPerm$['idTextBoxNombre']}"
(assuming verifyPerm is a boolean method on the "gestorA" bean with a single string parameter).
Otherwise, you can write a static method and expose it to your page as a tag library function. (you would pass both the bean and the field id to the static function).
I am try
<h:outputText value="Valor" rendered="#{gestorConexion.verificaPermiso$['Si']}"/>
my code in gestorConexion is:
public boolean verificaPermiso(String per){
if (per.equals("si") ){
return true;
}
return false;
}
The following error happens
javax.servlet.ServletException: javax.servlet.jsp.JspException: Error getting property 'verificaPermiso$' from bean of type ker.GestorConexion
the EL-Functors.jar is in the lib
You have 'Si' instead of 'si' in the attribute (but this won't cause the exception you got).
Did you put the "el-functors-1.0.2.jar" into your war file at "WEB-INF/lib/"?
Are you using a JSF1.2 / JSP2.1 implementation, or something else?
Did you try including the listener in your web.xml like this?:
<listener>
<listener-class>beanface.el.functor.InstallFunctorListener</listener-class>
</listener>
If you have too much trouble with it, just write your own JSP2.1 tag lib function (use the standard function library from JSTL as an example).
In that case, you can't use the el-functors lib, but you can still define your own tag-lib functions. See the "Expression Language Functions" section of http://www.onjava.com/pub/a/onjava/2003/11/05/jsp.html?page=2for some directions.
