[Dspace-general] Communities list in navigation bar

[Héctor Garcia Peris]

Thank you for your help. Now, it works fine.

hardik mishra escribió:
> Hi Hector
>  
> In home.jsp , you can save communities attribute in session and can 
> use in any page.
>  
> session.setAttribute("communities",communities);
> Then in navbar-default.jsp
>  
> Use  : Community[] communities = (Community[]) 
> session.getAttribute("communities");
> any where in declare section <% ......%>
>  
>  
> *Best Regards
> Hardik Mishra
> Software Engineer*
>
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> ------------------------------------------------------------------------
> *From:* Héctor Garcia Peris <hector.garcia at ivie.es>
> *To:* dspace-general at mit.edu
> *Sent:* Tuesday, September 29, 2009 12:24:33 PM
> *Subject:* [Dspace-general] Communities list in navigation bar
>
> Hello,
>
> I want to have a list of communities in my navigator bar in the same way
> that I have in the home page. I tried to reuse the code in home.jsp page
> in the navbar-default.jsp file. But the problem is that when I try to
> get the communities attribute with this commands:
>
> 140: <%@ page import="org.dspace.content.Community" %>
> 141: <%
> 142:    Community[] communities = (Community[])
> request.getAttribute("communities");
> 143:    if (communities.length != 0)
> 144:    {
> 145:%>
>
> I get a java.lang.NullPointerException in line 143. That is because the
> communities attribute is not instanced in this file, but it's instanced
> in the home.jsp page. Is there any way to get the communities in the
> navbar-default.jsp file?
>
> Thanks.
>
> -- 
>
> ---------------------------------------------------------------------
> Héctor Garcia Peris
> Dpto. Informática
> Instituto Valenciano de Investigaciones Económicas S.A. (Ivie)
> C/ Guardia Civil, 22 esc-2 1º 46020 - Valencia (Spain)
> Tfno.: +34 - 963190050 / +34 - 963930816
> Fax.: +34 - 963190055 / +34 - 963930856
> e-mail: hector.garcia at ivie.es <mailto:hector.garcia at ivie.es>
> Web: http://www.ivie.es
> ----------------------------------------------------------------------
>
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-- 

---------------------------------------------------------------------
Héctor Garcia Peris
Dpto. Informática
Instituto Valenciano de Investigaciones Económicas S.A. (Ivie) 
C/ Guardia Civil, 22 esc-2 1º 46020 - Valencia (Spain) 
Tfno.: +34 - 963190050 / +34 - 963930816 
Fax.: +34 - 963190055 / +34 - 963930856 
e-mail: hector.garcia at ivie.es 
Web: http://www.ivie.es
----------------------------------------------------------------------