[DG: Spanish Sakai] [Building Sakai] How to get site id

Sun Jun 28 23:02:25 PDT 2009

Diego,

I'm sorry for the delay in the answer but, as you know, we are very busy with our migration process.

Try with this  but it will only work if your tool is JSF-like:

FacesContext context = FacesContext.getCurrentInstance();
HttpServletRequest req = (HttpServletRequest) context.getExternalContext().getRequest();
String placementId = (String) req.getAttribute(Tool.PLACEMENT_ID);
ToolConfiguration toolConfig = SiteService.findTool(placementId);
String siteId = toolConfig.getSiteId();

David

De: sakai-dev-bounces at collab.sakaiproject.org [mailto:sakai-dev-bounces at collab.sakaiproject.org] En nombre de Diego del Blanco Orobitg
Enviado el: viernes, 26 de junio de 2009 13:23
Para: sakai-dev at collab.sakaiproject.org; David.Horwitz at uct.ac.za
Asunto: Re: [Building Sakai] How to get site id

Dear David,

I know that toolManager.getCurrentPlacement() will return null if I invoke it from a Samigo Services because the request is not made directly from a tool. Considering this pointing, I've tried to get  toolManager.getCurrentPlacement().getContext() from one of the beans of my tool, instead to leave Samigo Services to do it for my tool and...I'm getting the same NPE!!!.

My bean looks like this:

public class ReivenListBean {

....

      public ReivenListBean(){

            if (ToolManager.getCurrentPlacement()!=null){
                System.out.println(" > toolManager.currentPlacement---> NOT NULL");
            }else{
                 System.out.println(" > toolManager.currentPlacement ---> NULL");
            }

....
}

And I declare it in faces-config.xml as a managed session bean. When I select my tool from a site, I can read the following message at catalina.out:

> toolManager.currentPlacement ---> NULL

I really don't know why!!!!. I have analyzed the link to my tool in Sakai main page, to see which pattern it follows and be able to check if it is valid for a tool or not. And here you have what I've found:
Site-info

<div class="portletMainWrap">
<iframe name="Main9bd95d6ax328fx4a14xb2c0xfbbaf22a6145"
 id="Main9bd95d6ax328fx4a14xb2c0xfbbaf22a6145"
 title="Informaci&#243;n del sitio "
 class ="portletMainIframe"
 height="50"
 width="100%"
 frameborder="0"
 marginwidth="0"
 marginheight="0"
 scrolling="auto"
 src="http://localhost:8080/portal/tool/9bd95d6a-328f-4a14-b2c0-fbbaf22a6145?panel=Main">
</iframe>
</div>

My Tool

<!-- start Tool Body -->
<div class="portletMainWrap">
 <iframe name="Maine4759e5axcc51x44dcxb9b2x9be7f28ee6ca"
 id="Maine4759e5axcc51x44dcxb9b2x9be7f28ee6ca"
 title="Reiven Content "
 class ="portletMainIframe"
 height="50"
 width="100%"
 frameborder="0"
 marginwidth="0"
 marginheight="0"
 scrolling="auto"
 src="http://localhost:8080/portal/tool/e4759e5a-cc51-44dc-b9b2-9be7f28ee6ca?panel=Main">
 </iframe>
</div>
<!-- end Tool Body -->

That is, the request is very similar to the one generated for other sakai tools (site-info, in this case). So, why ToolManager.getCurrentPlacement() is not usable here? Is any other way of getting Site id?

Following your suggestion from yestarday, I've tried to get ServletContext using FacesContext.getExternalContext() but I haven't found sakai.tool.placement at HttpRequestParameters, though I've found sakai.tool.placement.id<http://sakai.tool.placement.id/> but I don't know if this other parameter is usefull or not.

Does anybody of ouy know what can be happening? I would appreciate any help.

Thank you very much in advance.

[cid:image002.png at 01C9F7CD.9BA30BC0]<http://www.setival.com/>
Tlf: 902 05 06 02
Fax: 96 199 42 43

Diego del Blanco Orobitg
Director del Área de e-Learning y Nuevas Tecnologías
diego.delblanco at setival.com<mailto:diego.delblanco at setival.com>
Móvil: 653 683 489

  Oficinas de Valencia
  Parque Tecnológico - Edificio CEEI
  C/Benjamin Franklin, 12
  46980 Valencia

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