/*
* RHQ Management Platform
* Copyright (C) 2005-2010 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, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* 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 and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.enterprise.server.dashboard;
import javax.ejb.EJB;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.rhq.core.domain.auth.Subject;
import org.rhq.core.domain.authz.Permission;
import org.rhq.core.domain.criteria.DashboardCriteria;
import org.rhq.core.domain.dashboard.Dashboard;
import org.rhq.core.domain.dashboard.DashboardCategory;
import org.rhq.core.domain.util.PageList;
import org.rhq.enterprise.server.RHQConstants;
import org.rhq.enterprise.server.auth.SubjectManagerBean;
import org.rhq.enterprise.server.authz.AuthorizationManagerLocal;
import org.rhq.enterprise.server.authz.PermissionException;
import org.rhq.enterprise.server.util.CriteriaQueryGenerator;
import org.rhq.enterprise.server.util.CriteriaQueryRunner;
/**
* @author Jay Shaughnessy
* @author Greg Hinkle
*/
@Stateless
public class DashboardManagerBean implements DashboardManagerLocal, DashboardManagerRemote {
@SuppressWarnings("unused")
private final Log log = LogFactory.getLog(SubjectManagerBean.class);
@PersistenceContext(unitName = RHQConstants.PERSISTENCE_UNIT_NAME)
private EntityManager entityManager;
@EJB
private AuthorizationManagerLocal authorizationManager;
public PageList<Dashboard> findDashboardsByCriteria(Subject subject, DashboardCriteria criteria) {
if (criteria.isInventoryManagerRequired()) {
if (!authorizationManager.isInventoryManager(subject)) {
throw new PermissionException("Subject [" + subject.getName()
+ "] requires InventoryManager permission for requested query criteria.");
}
Integer ownerId = criteria.getFilterOwnerId();
if (null != ownerId && 0 == ownerId.intValue()) {
criteria.addFilterOwnerId(null);
}
} else {
criteria.addFilterOwnerId(subject.getId());
}
if (null == criteria.getFilterCategory()) {
criteria.addFilterCategory(DashboardCategory.INVENTORY);
}
CriteriaQueryGenerator generator = new CriteriaQueryGenerator(subject, criteria);
CriteriaQueryRunner<Dashboard> queryRunner = new CriteriaQueryRunner<Dashboard>(criteria, generator,
entityManager);
return queryRunner.execute();
}
public Dashboard storeDashboard(Subject subject, Dashboard dashboard) {
Dashboard d = null;
if ((d = entityManager.find(Dashboard.class, dashboard.getId())) == null) {
dashboard.setOwner(subject);
entityManager.persist(dashboard);
return dashboard;
} else {
if (!authorizationManager.hasGlobalPermission(subject, Permission.MANAGE_SETTINGS)
&& d.getOwner().getId() != subject.getId()) {
throw new PermissionException("You may only alter dashboards you own.");
}
// Remove orphaned configuration
if (d.getConfiguration().getId() != dashboard.getConfiguration().getId()) {
entityManager.remove(d.getConfiguration());
}
return entityManager.merge(dashboard);
}
}
public void removeDashboard(Subject subject, int dashboardId) {
Dashboard toDelete = entityManager.find(Dashboard.class, dashboardId);
if (!authorizationManager.hasGlobalPermission(subject, Permission.MANAGE_SETTINGS)
&& toDelete.getOwner().getId() != subject.getId()) {
throw new PermissionException("You may only delete dashboards you own.");
}
entityManager.remove(toDelete);
}
}