/*
* Copyright (C) 2011 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.portal.mop.navigation;
import static org.exoplatform.portal.mop.Utils.objectType;
import java.util.Collection;
import org.exoplatform.portal.mop.SiteKey;
import org.exoplatform.portal.pom.config.POMSession;
import org.gatein.mop.api.workspace.Navigation;
import org.gatein.mop.api.workspace.ObjectType;
import org.gatein.mop.api.workspace.Site;
import org.gatein.mop.api.workspace.Workspace;
/**
* todo : see if it makes sense to use a bloom filter for not found site black list
*
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
*/
abstract class DataCache {
protected abstract void removeNodes(Collection<String> keys);
protected abstract NodeData getNode(POMSession session, String key);
protected abstract NavigationData getNavigation(POMSession session, SiteKey key);
protected abstract void removeNavigation(SiteKey key);
protected abstract void clear();
final NodeData getNodeData(POMSession session, String nodeId) {
NodeData data;
if (session.isModified()) {
data = loadNode(session, nodeId);
} else {
data = getNode(session, nodeId);
}
return data;
}
final NavigationData getNavigationData(POMSession session, SiteKey key) {
NavigationData data;
if (session.isModified()) {
data = loadNavigation(session, key);
} else {
data = getNavigation(session, key);
}
//
return data;
}
final void removeNodeData(POMSession session, Collection<String> ids) {
removeNodes(ids);
}
final void removeNavigationData(POMSession session, SiteKey key) {
removeNavigation(key);
}
protected final NodeData loadNode(POMSession session, String nodeId) {
Navigation navigation = session.findObjectById(ObjectType.NAVIGATION, nodeId);
if (navigation != null) {
return new NodeData(navigation);
} else {
return null;
}
}
protected final NavigationData loadNavigation(POMSession session, SiteKey key) {
Workspace workspace = session.getWorkspace();
ObjectType<Site> objectType = objectType(key.getType());
Site site = workspace.getSite(objectType, key.getName());
if (site != null) {
Navigation defaultNavigation = site.getRootNavigation().getChild("default");
if (defaultNavigation != null) {
return new NavigationData(key, defaultNavigation);
} else {
return NavigationData.EMPTY;
}
} else {
return NavigationData.EMPTY;
}
}
}