AbstractBolonhaTransitionManagementDA.java

/**
 * Copyright © 2002 Instituto Superior Técnico
 *
 * This file is part of FenixEdu Academic.
 *
 * FenixEdu Academic is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * FenixEdu Academic is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with FenixEdu Academic.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.fenixedu.academic.ui.struts.action.commons.transition;

import java.util.List;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.DynaActionForm;
import org.fenixedu.academic.domain.student.Registration;
import org.fenixedu.academic.ui.struts.action.base.FenixDispatchAction;

public abstract class AbstractBolonhaTransitionManagementDA extends FenixDispatchAction {

    public ActionForward prepare(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {

        final List<Registration> registrations = getRegistrations(request);
        if (registrations.size() == 1) {
            final Registration registration = registrations.iterator().next();
            setParametersToShowStudentCurricularPlan(form, request, registration);

            return mapping.findForward("showStudentCurricularPlan");
        }

        request.setAttribute("registrations", registrations);

        return mapping.findForward("chooseRegistration");

    }

    private void setParametersToShowStudentCurricularPlan(final ActionForm form, final HttpServletRequest request,
            final Registration registration) {

        setRegistration(request, registration);

        final DynaActionForm dynaActionForm = ((DynaActionForm) form);
        dynaActionForm.set("registrationId", registration.getExternalId());
    }

    private void setRegistration(HttpServletRequest request, final Registration registration) {
        request.setAttribute("registration", registration);
    }

    public ActionForward showStudentCurricularPlan(ActionMapping mapping, ActionForm form, HttpServletRequest request,
            HttpServletResponse response) {

        setParametersToShowStudentCurricularPlan(form, request, getRegistration(request, form));

        return mapping.findForward("showStudentCurricularPlan");
    }

    private Registration getRegistration(final HttpServletRequest request, final ActionForm form) {
        return getRegistration(request, (String) ((DynaActionForm) form).get("registrationId"));
    }

    private Registration getRegistration(final HttpServletRequest request, final String registrationId) {
        for (final Registration registration : getRegistrations(request)) {
            if (registration.getExternalId().equals(registrationId)) {
                return registration;
            }
        }

        return null;
    }

    abstract protected List<Registration> getRegistrations(final HttpServletRequest request);

}