/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.enterprise.gui.legacy.portlet.criticalalerts;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.tiles.ComponentContext;
import org.apache.struts.tiles.actions.TilesAction;
import org.rhq.core.domain.alert.Alert;
import org.rhq.core.domain.alert.AlertPriority;
import org.rhq.core.domain.criteria.AlertCriteria;
import org.rhq.core.domain.resource.composite.DisambiguationReport;
import org.rhq.core.domain.util.PageControl;
import org.rhq.core.domain.util.PageList;
import org.rhq.core.util.IntExtractor;
import org.rhq.core.util.collection.ArrayUtils;
import org.rhq.enterprise.gui.legacy.WebUser;
import org.rhq.enterprise.gui.legacy.WebUserPreferences;
import org.rhq.enterprise.gui.legacy.WebUserPreferences.AlertsPortletPreferences;
import org.rhq.enterprise.gui.legacy.util.DisambiguatedResourceListUtil;
import org.rhq.enterprise.gui.legacy.util.SessionUtils;
import org.rhq.enterprise.server.alert.AlertManagerLocal;
import org.rhq.enterprise.server.resource.ResourceManagerLocal;
import org.rhq.enterprise.server.util.LookupUtil;
public class ViewAction extends TilesAction {
private static final Log log = LogFactory.getLog(ViewAction.class);
static final IntExtractor<Alert> RESOURCE_ID_EXTRACTOR = new IntExtractor<Alert>() {
public int extract(Alert object) {
return object.getAlertDefinition().getResource().getId();
}
};
@Override
public ActionForward execute(ComponentContext context, ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) throws Exception {
PageList<DisambiguationReport<Alert>> disambiguatedAlerts = new PageList<DisambiguationReport<Alert>>();
try {
WebUser user = SessionUtils.getWebUser(request.getSession());
if (user == null) {
// session timed out, return prematurely
return null;
}
WebUserPreferences preferences = user.getWebPreferences();
// get the user's preferences for the alerts portlet
AlertsPortletPreferences alertPrefs = preferences.getAlertsPortletPreferences();
PageControl pageControl = new PageControl(0, alertPrefs.count);
AlertManagerLocal alertManager = LookupUtil.getAlertManager();
ResourceManagerLocal resourceManager = LookupUtil.getResourceManager();
AlertCriteria criteria = new AlertCriteria();
criteria.addFilterPriorities(AlertPriority.getByLegacyIndex(alertPrefs.priority));
criteria.addFilterStartTime(alertPrefs.timeRange);
criteria.addFilterResourceIds(("all".equals(alertPrefs.displayAll) ? null : ArrayUtils
.wrapInArray(alertPrefs.asArray())));
criteria.setPageControl(pageControl);
PageList<Alert> alerts = alertManager.findAlertsByCriteria(user.getSubject(), criteria);
disambiguatedAlerts = DisambiguatedResourceListUtil.disambiguate(resourceManager, alerts,
RESOURCE_ID_EXTRACTOR);
} catch (Exception e) {
if (log.isDebugEnabled()) {
log.debug("Dashboard Portlet [CriticalAlerts] experienced an error: " + e.getMessage(), e);
} else {
log.error("Dashboard Portlet [CriticalAlerts] experienced an error: " + e.getMessage());
}
} finally {
context.putAttribute("criticalAlerts", disambiguatedAlerts);
}
return null;
}
}