[Building Sakai] Use of GradebookService as a web service

[Matthew Jones]

Hi Shoji!

This probably just looks like a confusing special case. You have to use
component manager to get the beans from the spring components, then cast it
to the interfaces (apis) that are in shared.

For gradebook, they're probably just named differently, for whatever reason.

Look at this webservice for some example gradebook code for getting
gradebooks and grades. Hopefully you can use this for whatever you need.
https://source.sakaiproject.org/svn/msub/longsight.com/webservices/webservices-1.0.x/axis/src/webapp/WSLongsight.jws


And I think this one on confluence still works too?
https://confluence.sakaiproject.org/display/~steve.swinsburg/Additional+web+services+for+Sakai#AdditionalwebservicesforSakai-SakaiGradebook

-Matthew

On Sat, May 19, 2012 at 10:13 PM, Shoji Kajita <kajita at nagoya-u.jp> wrote:

> Dear Sakai Developers,
>
> I'm trying to develop a new web service for getting information from
> Gradebook, but I have been struggling from using GradebookService.
>
> For example, I can call
>
>  gradebookService.isGradebookDefined
>
> successfully when I use
>
>  gradebookService = (GradebookService)
> ComponentManager.get("org.sakaiproject.service.gradebook.GradebookService");
>
> as seen in the following simple code. But, it is failed when I use
>
>  gradebookService = (GradebookService)
> ComponentManager.get("org.sakaiproject.service.gradebook.shared.GradebookService");
>
> in line 31. I'm probably misunderstanding something.
>
> I really appreciate if someone gives me any pointer to address this.
>
> Best regards,
> Shoji Kajita
> Kyoto University
> ----
> 01: import org.apache.axis.AxisFault;
> 02: import org.apache.commons.logging.Log;
> 03: import org.apache.commons.logging.LogFactory;
> 04: import org.sakaiproject.service.gradebook.shared.GradebookService;
> 05: import org.sakaiproject.tool.api.Session;
> 06: import org.sakaiproject.tool.api.SessionManager;
> 07: import org.sakaiproject.component.cover.ComponentManager;
> 08:
> 09: public class CourseGradebook {
> 10:
> 11:     private GradebookService gradebookService;
> 12:     private SessionManager sessionManager;
> 13:
> 14:     private static Log LOG = LogFactory.getLog(CourseGradebook.class);
> 15:
> 16:     private Session establishSession(String sessionId) throws AxisFault
> 17:     {
> 18:             Session s = sessionManager.getSession(sessionId);
> 19:
> 20:             if (s == null)
> 21:             {
> 22:                     throw new AxisFault("Session \""+sessionId+"\" is
> not active");
> 23:             }
> 24:             s.setActive();
> 25:             sessionManager.setCurrentSession(s);
> 26:             return s;
> 27:     }
> 28:
> 29:     public CourseGradebook() {
> 30:     //      gradebookService = (GradebookService)
> ComponentManager.get(GradebookService.class.getName());
> 31:             gradebookService = (GradebookService)
> ComponentManager.get("org.sakaiproject.service.gradebook.shared.GradebookService");
> 32:     //      gradebookService = (GradebookService)
> ComponentManager.get("org.sakaiproject.service.gradebook.GradebookService");
> 33:             sessionManager = (SessionManager)
> ComponentManager.get(SessionManager.class.getName());
> 34:     }
> 35:
> 36:     public String getCompletedDate(String sessionId, String siteId)
> throws AxisFault {
> 37:
> 38:             Session session = establishSession(sessionId);
> 39:
> 40:         String gbID = siteId;
> 41:         if (!gradebookService.isGradebookDefined(gbID)) {
> 42:             System.out.println("Debug: Not found.");
> 43:             return "No gradebook found for this site.";
> 44:         }
> 45:         return "Gradebook found for this site.";
> 46:     }
> 47:
> 48: }
> -----
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