/**
 * Copyright (c) 2014 Red Hat, Inc.
 *
 * This software is licensed to you under the GNU General Public License,
 * version 2 (GPLv2). There is NO WARRANTY for this software, express or
 * implied, including the implied warranties of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
 * along with this software; if not, see
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * Red Hat trademarks are not licensed under GPLv2. No permission is
 * granted to use or replicate Red Hat trademarks that are incorporated
 * in this software or its documentation.
 */
package com.redhat.rhn.frontend.action.ssm;

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 com.redhat.rhn.frontend.struts.RequestContext;
import com.redhat.rhn.frontend.struts.RhnAction;
import com.redhat.rhn.frontend.struts.RhnHelper;
import com.redhat.rhn.frontend.taglibs.list.helper.ListSessionSetHelper;
import com.redhat.rhn.frontend.taglibs.list.helper.Listable;
import com.redhat.rhn.manager.errata.ErrataManager;

/**
 * List systems affected by errata in SSM.
 *
 * @author mkollar
 */
public class ErrataSystemsAffectedListAction extends RhnAction implements
        Listable {

    /** {@inheritDoc} */
    @Override
    public ActionForward execute(
            ActionMapping mapping,
            ActionForm actionForm,
            HttpServletRequest request,
            HttpServletResponse response)
        throws Exception {

        request.setAttribute("erratum", new RequestContext(request).lookupErratum());

        ListSessionSetHelper helper = new ListSessionSetHelper(this, request);
        helper.setDataSetName(RequestContext.PAGE_LIST);
        helper.setListName("systemList");
        helper.execute();

        return mapping.findForward(RhnHelper.DEFAULT_FORWARD);
    }

    /** {@inheritDoc} */
    @SuppressWarnings("rawtypes")
    public List getResult(RequestContext context) {
        return ErrataManager.systemsAffectedInSet(context.getCurrentUser(),
                context.lookupErratum().getId(), null);
    }
}