package org.ngbw.web.tus;

import javax.servlet.http.HttpSession;

import org.apache.log4j.Logger;
import org.ngbw.sdk.WorkbenchSession;
import org.ngbw.web.actions.NgbwSupport;
import org.tus.filter.auth.PrincipalManager;


public class UserBridge implements PrincipalManager
{
    private static final Logger logger = Logger.getLogger(UserBridge.class.getName());


    @Override
    public String getUser ( HttpSession session )
    {
        String username = null;
        
        WorkbenchSession wbs = (WorkbenchSession) session.getAttribute(NgbwSupport.WORKBENCH_SESSION);
        
        if (wbs != null)
        {
            try
            {
                username = wbs.getUsername();
            }
            catch ( Exception e )
            {
                logger.error("", e);
            }
        }
        
        return username;
    }

}