package net.sourceforge.fenixedu.presentationTier.Action.base;

import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import net.sourceforge.fenixedu.applicationTier.IUserView;
import net.sourceforge.fenixedu.presentationTier.Action.ExcepcaoSessaoInexistente;
import net.sourceforge.fenixedu.presentationTier.Action.sop.utils.SessionUtils;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.LookupDispatchAction;

public abstract class FenixLookupDispatchAction extends LookupDispatchAction {

    public ActionForward execute(ActionMapping mapping, ActionForm actionForm,
            HttpServletRequest request, HttpServletResponse response) throws Exception {

        return super.execute(mapping, actionForm, request, response);
    }

    protected HttpSession getSession(HttpServletRequest request) throws ExcepcaoSessaoInexistente {
        HttpSession result = request.getSession(false);
        if (result == null)
            throw new ExcepcaoSessaoInexistente();

        return result;
    }
    
    protected static IUserView getUserView(HttpServletRequest request) {
        return SessionUtils.getUserView(request);
    }

    /**
     * This method returns a Map (x,y)
     * 
     * x - is a message resource identifier y - is the name of the method which
     * will be implemented within the subclasses
     *  
     */
    protected abstract Map getKeyMethodMap();

}