Java tutorial
/** * Copyright (c) 2009--2012 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.satellite; import com.redhat.rhn.common.messaging.MessageQueue; import com.redhat.rhn.frontend.events.RestartSatelliteEvent; import com.redhat.rhn.frontend.struts.RequestContext; import com.redhat.rhn.frontend.struts.RhnAction; import com.redhat.rhn.frontend.struts.RhnHelper; import org.apache.commons.lang.BooleanUtils; 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 javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * RestartAction extends RhnAction - Class representation of the table ###TABLE###. * @version $Rev: 1 $ */ public class RestartAction extends RhnAction { public static final String RESTART = "restart"; public static final String RESTARTED = "restarted"; public static final String RESTART_DELAY_LABEL = "restartDelay"; public static final int RESTART_DELAY_IN_MINUTES = 1; /** {@inheritDoc} */ public ActionForward execute(ActionMapping mapping, ActionForm formIn, HttpServletRequest request, HttpServletResponse response) { DynaActionForm form = (DynaActionForm) formIn; RequestContext ctx = new RequestContext(request); if (isSubmitted(form)) { Boolean restart = ((Boolean) form.get(RESTART)); if (BooleanUtils.toBooleanDefaultIfNull(restart, false)) { RestartSatelliteEvent event = new RestartSatelliteEvent(ctx.getCurrentUser()); MessageQueue.publish(event); createSuccessMessage(request, "restart.config.success", String.valueOf(RESTART_DELAY_IN_MINUTES)); request.setAttribute(RESTART, Boolean.TRUE); request.setAttribute(RESTART_DELAY_LABEL, String.valueOf(RESTART_DELAY_IN_MINUTES * 60)); } else { addMessage(request, "restart.config.norestart"); request.setAttribute(RESTART, Boolean.FALSE); } } else { if (request.getParameter(RESTARTED) != null && request.getParameter(RESTARTED).equals("true")) { addMessage(request, "restart.config.restarted"); } form.set(RESTART, Boolean.FALSE); request.setAttribute(RESTART, Boolean.FALSE); } return mapping.findForward(RhnHelper.DEFAULT_FORWARD); } }