/**
* Copyright (C) 2009 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.pom.config.tasks;
import org.exoplatform.portal.pom.config.cache.DataAccessMode;
import org.exoplatform.portal.pom.config.cache.CacheableDataTask;
import org.exoplatform.portal.pom.data.Mapper;
import org.exoplatform.portal.pom.config.POMSession;
import org.exoplatform.portal.pom.data.NavigationData;
import org.exoplatform.portal.pom.data.NavigationKey;
import org.gatein.common.logging.Logger;
import org.gatein.common.logging.LoggerFactory;
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;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
public abstract class PageNavigationTask
{
/** . */
private static final Logger log = LoggerFactory.getLogger(PageNavigationTask.class);
/** . */
protected final ObjectType<? extends Site> siteType;
/** . */
protected final NavigationKey key;
protected PageNavigationTask(NavigationKey key)
{
this.key = key;
this.siteType = Mapper.parseSiteType(key.getType());
}
public static class Load extends PageNavigationTask implements CacheableDataTask<NavigationKey, NavigationData>
{
public Load(NavigationKey key)
{
super(key);
}
public DataAccessMode getAccessMode()
{
return DataAccessMode.READ;
}
public NavigationKey getKey()
{
return key;
}
public Class<NavigationData> getValueType()
{
return NavigationData.class;
}
public NavigationData run(POMSession session) throws Exception
{
Workspace workspace = session.getWorkspace();
Site site = workspace.getSite(siteType, key.getId());
if (site != null)
{
Navigation nav = site.getRootNavigation();
Navigation defaultNav = nav.getChild("default");
if (defaultNav != null)
{
return new Mapper(session).load(defaultNav);
}
}
else
{
log.debug("Cannot load page navigation as the corresponding portal " + key.getId()
+ " with type " + siteType + " does not exist");
}
//
return null;
}
@Override
public String toString()
{
return "PageNavigation.Load[ownerType=" + key.getType() + ",ownerId=" + key.getId() + "]";
}
}
public static class Save extends PageNavigationTask implements CacheableDataTask<NavigationKey, Void>
{
/** . */
private final NavigationData pageNav;
/** . */
private final boolean overwrite;
public Save(NavigationData pageNav, boolean overwrite)
{
super(pageNav.getKey());
//
this.pageNav = pageNav;
this.overwrite = overwrite;
}
public Class<Void> getValueType()
{
return Void.class;
}
public DataAccessMode getAccessMode()
{
return pageNav.getStorageId() != null ? DataAccessMode.WRITE : DataAccessMode.CREATE;
}
public NavigationKey getKey()
{
return key;
}
public Void run(POMSession session) throws Exception
{
Workspace workspace = session.getWorkspace();
Site site = workspace.getSite(siteType, key.getId());
if (site == null)
{
throw new IllegalArgumentException("Cannot insert page navigation "
+ " as the corresponding portal " + key.getId() + " with type " + siteType + " does not exist");
}
// Delete node descendants first
Navigation nav = site.getRootNavigation();
//
Navigation defaultNav = nav.getChild("default");
if (defaultNav == null)
{
defaultNav = nav.addChild("default");
}
//
new Mapper(session).save(pageNav, defaultNav);
//
return null;
}
@Override
public String toString()
{
return "PageNavigation.Save[ownerType=" + key.getType() + ",ownerId=" + key.getId() + "]";
}
}
public static class Remove extends PageNavigationTask implements CacheableDataTask<NavigationKey, Void>
{
public Remove(NavigationData pageNav)
{
super(pageNav.getKey());
}
public DataAccessMode getAccessMode()
{
return DataAccessMode.DESTROY;
}
public Class<Void> getValueType()
{
return Void.class;
}
public NavigationKey getKey()
{
return key;
}
public Void run(POMSession session) throws Exception
{
Workspace workspace = session.getWorkspace();
Site site = workspace.getSite(siteType, key.getId());
if (site == null)
{
throw new IllegalArgumentException("Cannot insert page navigation "
+ " as the corresponding portal " + key.getId() + " with type " + siteType + " does not exist");
}
// Delete descendants
Navigation nav = site.getRootNavigation();
//
Navigation defaultNav = nav.getChild("default");
if (defaultNav != null)
{
defaultNav.destroy();
}
//
return null;
}
@Override
public String toString()
{
return "PageNavigation.Remove[ownerType=" + key.getType() + ",ownerId=" + key.getId() + "]";
}
}
}