/*
* 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.recentlyApproved;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
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.auth.Subject;
import org.rhq.core.domain.resource.composite.DisambiguationReport;
import org.rhq.core.domain.resource.composite.RecentlyAddedResourceComposite;
import org.rhq.core.util.IntExtractor;
import org.rhq.enterprise.gui.legacy.WebUser;
import org.rhq.enterprise.gui.legacy.WebUserPreferences;
import org.rhq.enterprise.gui.legacy.WebUserPreferences.RecentlyApprovedPortletPreferences;
import org.rhq.enterprise.gui.legacy.util.SessionUtils;
import org.rhq.enterprise.server.resource.ResourceManagerLocal;
import org.rhq.enterprise.server.resource.disambiguation.DefaultDisambiguationUpdateStrategies;
import org.rhq.enterprise.server.util.LookupUtil;
public class ViewAction extends TilesAction {
private static final Log log = LogFactory.getLog(ViewAction.class);
private static final IntExtractor<RecentlyAddedResourceComposite> RESOURCE_ID_EXTRACTOR = new IntExtractor<RecentlyAddedResourceComposite>() {
public int extract(RecentlyAddedResourceComposite object) {
return object.getId();
}
};
@Override
public ActionForward execute(ComponentContext context, ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) throws Exception {
List<DisambiguatedRecentlyAddedResourceComposite> platformList = new ArrayList<DisambiguatedRecentlyAddedResourceComposite>();
try {
ResourceManagerLocal resourceManager = LookupUtil.getResourceManager();
WebUser user = SessionUtils.getWebUser(request.getSession());
if (user == null) {
// session timed out, return prematurely
return null;
}
WebUserPreferences preferences = user.getWebPreferences();
RecentlyApprovedPortletPreferences recentlyApprovedPreferences = preferences
.getRecentlyApprovedPortletPreferences();
Subject subject = user.getSubject();
// Based on the user preference, generate a timestamp of the oldest resource to display.
long range = recentlyApprovedPreferences.hours;
long ts = 0; // defaults to ANY time in the past
if (range != -1) {
// range encoded as hours (UI shows days)
ts = System.currentTimeMillis() - (range * 60 * 60 * 1000);
}
platformList = DisambiguatedRecentlyAddedResourceComposite.fromResolution(resourceManager.disambiguate(
resourceManager.findRecentlyAddedPlatforms(subject, ts, recentlyApprovedPreferences.range),
RESOURCE_ID_EXTRACTOR, DefaultDisambiguationUpdateStrategies.getDefault()));
Map<Integer, DisambiguatedRecentlyAddedResourceComposite> platformMap;
platformMap = new HashMap<Integer, DisambiguatedRecentlyAddedResourceComposite>();
for (DisambiguatedRecentlyAddedResourceComposite platform : platformList) {
platformMap.put(platform.getOriginal().getId(), platform);
}
// Set the show servers flag on all expanded platforms.
// Find the list of expanded platforms for this user and make it available to the jsp.
List<String> removeExpandedPlatforms = new ArrayList<String>();
for (String expandedPlatform : recentlyApprovedPreferences.expandedPlatforms) {
Integer platformId = null;
try {
platformId = Integer.valueOf(expandedPlatform);
} catch (NumberFormatException nfe) {
removeExpandedPlatforms.add(expandedPlatform);
continue;
}
DisambiguatedRecentlyAddedResourceComposite miniPlatform = platformMap.get(platformId);
if (miniPlatform != null) {
miniPlatform.getOriginal().setShowChildren(true);
miniPlatform.setChildren(DisambiguatedRecentlyAddedResourceComposite.fromResolution(
resourceManager.disambiguate(resourceManager
.findRecentlyAddedServers(subject, ts, platformId.intValue()), RESOURCE_ID_EXTRACTOR,
DefaultDisambiguationUpdateStrategies.getDefault())));
} else {
removeExpandedPlatforms.add(expandedPlatform);
}
}
// we do this just to clean up the preferences for platforms in the filter list which no longer exist
if (removeExpandedPlatforms.size() > 0) {
recentlyApprovedPreferences.expandedPlatforms.removeAll(removeExpandedPlatforms);
preferences.setRecentlyApprovedPortletPreferences(recentlyApprovedPreferences);
}
// Make the list available to the jsp.
} catch (Exception e) {
if (log.isDebugEnabled()) {
log.debug("Dashboard Portlet [RecentlyApproved] experienced an error: " + e.getMessage(), e);
} else {
log.error("Dashboard Portlet [RecentlyApproved] experienced an error: " + e.getMessage());
}
} finally {
context.putAttribute("recentlyApproved", platformList);
}
return null;
}
public static class DisambiguatedRecentlyAddedResourceComposite extends DisambiguationReport<RecentlyAddedResourceComposite> {
private static final long serialVersionUID = 1L;
private List<DisambiguatedRecentlyAddedResourceComposite> children;
public static List<DisambiguatedRecentlyAddedResourceComposite> fromResolution(List<DisambiguationReport<RecentlyAddedResourceComposite>> resolution) {
List<DisambiguatedRecentlyAddedResourceComposite> ret = new ArrayList<DisambiguatedRecentlyAddedResourceComposite>();
for(DisambiguationReport<RecentlyAddedResourceComposite> report : resolution) {
ret.add(new DisambiguatedRecentlyAddedResourceComposite(report));
}
return ret;
}
public DisambiguatedRecentlyAddedResourceComposite(DisambiguationReport<RecentlyAddedResourceComposite> report) {
super(report.getOriginal(), report.getParents(), report.getResource());
children = new ArrayList<DisambiguatedRecentlyAddedResourceComposite>();
}
public List<DisambiguatedRecentlyAddedResourceComposite> getChildren() {
return children;
}
public void setChildren(List<DisambiguatedRecentlyAddedResourceComposite> children) {
this.children = children;
}
}
}