/*
* 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.problemresources;
import java.util.List;
import javax.security.auth.login.LoginException;
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 org.apache.struts.util.MessageResources;
import org.rhq.core.domain.measurement.AvailabilityType;
import org.rhq.core.domain.resource.composite.ProblemResourceComposite;
import org.rhq.core.domain.util.PageControl;
import org.rhq.enterprise.gui.common.tag.FunctionTagLibrary;
import org.rhq.enterprise.gui.legacy.Constants;
import org.rhq.enterprise.gui.legacy.WebUser;
import org.rhq.enterprise.gui.legacy.WebUserPreferences.ProblemResourcesPortletPreferences;
import org.rhq.enterprise.gui.legacy.portlet.BaseRSSAction;
import org.rhq.enterprise.gui.legacy.portlet.RSSFeed;
import org.rhq.enterprise.server.measurement.MeasurementProblemManagerLocal;
import org.rhq.enterprise.server.measurement.util.MeasurementUtils;
import org.rhq.enterprise.server.util.LookupUtil;
public class RSSAction extends BaseRSSAction {
@Override
public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
HttpServletResponse response) throws Exception {
RSSFeed feed = getNewRSSFeed(request);
// Set title
MessageResources res = getResources(request);
feed.setTitle(res.getMessage("dash.home.ProblemResources"));
// Get the problem resources
WebUser user = getWebUser(request);
if (user != null) {
ProblemResourcesPortletPreferences preferences = user.getWebPreferences()
.getProblemResourcesPortletPreferences();
long begin = 0; // beginning of time, unless configured otherwise
if (preferences.hours > 0) {
List<Long> bounds = MeasurementUtils.calculateTimeFrame(preferences.hours, MeasurementUtils.UNIT_HOURS);
begin = (Long) bounds.get(0);
}
MeasurementProblemManagerLocal problemManager = LookupUtil.getMeasurementProblemManager();
List<ProblemResourceComposite> results;
results = problemManager.findProblemResources(user.getSubject(), begin, new PageControl(0,
preferences.range));
if ((results != null) && (results.size() > 0)) {
for (ProblemResourceComposite problem : results) {
String link = feed.getBaseUrl() + FunctionTagLibrary.getDefaultResourceTabURL() + "?id="
+ problem.getResourceId();
String availText = "";
if (problem.getAvailabilityType() != null) {
if (problem.getAvailabilityType() == AvailabilityType.DOWN) {
availText = res.getMessage("dash.home.ProblemResources.rss.item.downAvail");
} else if (problem.getAvailabilityType() == AvailabilityType.UP) {
availText = res.getMessage("dash.home.ProblemResources.rss.item.upAvail");
} else {
throw new IllegalStateException("invalid availability type - please report this bug");
}
}
feed.addItem(problem.getResourceName(), link, res.getMessage(
"dash.home.ProblemResources.rss.item.description", availText, problem.getNumAlerts()), System
.currentTimeMillis());
}
}
request.setAttribute("rssFeed", feed);
return mapping.findForward(Constants.RSS_URL);
} else {
throw new LoginException("RSS access requires authentication");
}
}
}