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.monitoring; import com.redhat.rhn.common.db.datasource.DataResult; import com.redhat.rhn.frontend.listview.PageControl; import com.redhat.rhn.frontend.struts.BaseListAction; import com.redhat.rhn.frontend.struts.RequestContext; import com.redhat.rhn.manager.monitoring.MonitoringManager; import org.apache.commons.lang.StringUtils; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; /** * ProbeList - Base class for rendering the list of Probes in an Org. * @version $Rev: 1 $ */ public class ProbeList extends BaseListAction { public static final String PROBE_STATE = "state"; public static final String PROBE_COUNT_CRITICAL = "criticalCount"; public static final String PROBE_COUNT_WARNING = "warningCount"; public static final String PROBE_COUNT_PENDING = "pendingCount"; public static final String PROBE_COUNT_UNKNOWN = "unknownCount"; public static final String PROBE_COUNT_OK = "okCount"; public static final String PROBE_COUNT_ALL = "allCount"; /** * {@inheritDoc} */ @Override protected void processRequestAttributes(RequestContext rctx) { super.processRequestAttributes(rctx); String stateparam = rctx.getParam(PROBE_STATE, false); if (StringUtils.isEmpty(stateparam)) { stateparam = "all"; } else { rctx.getRequest().setAttribute(PROBE_STATE, stateparam); } stateparam = stateparam.toLowerCase(); // Add all/warning/ok/Class css classname rctx.getRequest().setAttribute(stateparam + "Class", "active"); // Setup the probe state summary Map counts = new HashMap(); counts.put(PROBE_COUNT_CRITICAL, "0"); counts.put(PROBE_COUNT_WARNING, "0"); counts.put(PROBE_COUNT_PENDING, "0"); counts.put(PROBE_COUNT_UNKNOWN, "0"); counts.put(PROBE_COUNT_OK, "0"); counts.put(PROBE_COUNT_ALL, "0"); List stateCount = MonitoringManager.getInstance().listProbeStateSummary(rctx.getCurrentUser()); Iterator i = stateCount.iterator(); long stateSum = 0; while (i.hasNext()) { Map row = (Map) i.next(); Long cnt = (Long) row.get("state_count"); stateSum = stateSum + cnt.longValue(); String state = ((String) row.get("state")).toLowerCase(); counts.put(state + "Count", cnt.toString()); } counts.put(PROBE_COUNT_ALL, Long.toString(stateSum)); i = counts.keySet().iterator(); while (i.hasNext()) { String key = (String) i.next(); rctx.getRequest().setAttribute(key, counts.get(key)); } } @Override protected DataResult getDataResult(RequestContext rctx, PageControl pc) { String state = rctx.getParam(PROBE_STATE, false); return MonitoringManager.getInstance().listProbesByState(rctx.getCurrentUser(), state, pc); } }