/**
* Copyright (c) 2009--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.systems;
import com.redhat.rhn.common.db.datasource.DataResult;
import com.redhat.rhn.domain.rhnset.RhnSet;
import com.redhat.rhn.domain.user.User;
import com.redhat.rhn.frontend.dto.SystemOverview;
import com.redhat.rhn.frontend.listview.PageControl;
import com.redhat.rhn.frontend.struts.RequestContext;
import com.redhat.rhn.frontend.struts.RhnHelper;
import com.redhat.rhn.frontend.struts.RhnListAction;
import com.redhat.rhn.frontend.struts.RhnListSetHelper;
import com.redhat.rhn.frontend.taglibs.list.ListTagHelper;
import com.redhat.rhn.frontend.taglibs.list.TagHelper;
import com.redhat.rhn.manager.rhnset.RhnSetDecl;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import java.util.Iterator;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* BaseSystemsAction
* @version $Rev: 107809 $
*/
public abstract class BaseSystemsAction extends RhnListAction {
public static final String SHOW_NO_SYSTEMS = "showNoSystems";
/** {@inheritDoc} */
@Override
public ActionForward execute(ActionMapping mapping,
ActionForm formIn,
HttpServletRequest request,
HttpServletResponse response) {
RequestContext requestContext = new RequestContext(request);
User user = requestContext.getCurrentUser();
DataResult result = getDataResult(user, null, formIn);
if (result.isEmpty()) {
request.setAttribute(SHOW_NO_SYSTEMS, Boolean.TRUE);
}
RhnSet set = getSetDecl().get(user);
RhnListSetHelper helper = new RhnListSetHelper(request);
if (ListTagHelper.getListAction("systemList", request) != null) {
helper.execute(set, "systemList", result);
}
if (!set.isEmpty()) {
helper.syncSelections(set, result);
ListTagHelper.setSelectedAmount("systemList", set.size(), request);
}
ListTagHelper.bindSetDeclTo("systemList", getSetDecl(), request);
request.setAttribute(RequestContext.PAGE_LIST, result);
request.setAttribute(ListTagHelper.PARENT_URL, request.getRequestURI());
TagHelper.bindElaboratorTo("systemList", result.getElaborator(), request);
return mapping.findForward(RhnHelper.DEFAULT_FORWARD);
}
/**
* Retrives the set declation item
* where the contents of the page control
* are to be set.
* @return set declation item
*/
protected RhnSetDecl getSetDecl() {
return RhnSetDecl.SYSTEMS;
}
/**
* Sets the status and entitlementLevel variables of each System Overview
* @param dr The list of System Overviews
* @param user The user viewing the System List
*/
public void setStatusDisplay(DataResult<SystemOverview> dr, User user) {
Iterator<SystemOverview> i = dr.iterator();
while (i.hasNext()) {
SystemOverview next = i.next();
SystemListHelper.setSystemStatusDisplay(user, next);
}
}
protected abstract DataResult getDataResult(User user,
PageControl pc,
ActionForm formIn);
}